diff options
Diffstat (limited to 'third-party/libuv/include')
| -rw-r--r-- | third-party/libuv/include/pthread-fixes.h | 59 | ||||
| -rw-r--r-- | third-party/libuv/include/stdint-msvc2008.h | 247 | ||||
| -rw-r--r-- | third-party/libuv/include/tree.h | 768 | ||||
| -rw-r--r-- | third-party/libuv/include/uv-bsd.h | 34 | ||||
| -rw-r--r-- | third-party/libuv/include/uv-darwin.h | 63 | ||||
| -rw-r--r-- | third-party/libuv/include/uv-errno.h | 373 | ||||
| -rw-r--r-- | third-party/libuv/include/uv-linux.h | 36 | ||||
| -rw-r--r-- | third-party/libuv/include/uv-sunos.h | 44 | ||||
| -rw-r--r-- | third-party/libuv/include/uv-unix.h | 329 | ||||
| -rw-r--r-- | third-party/libuv/include/uv-win.h | 589 | ||||
| -rw-r--r-- | third-party/libuv/include/uv.h | 2135 |
11 files changed, 4677 insertions, 0 deletions
diff --git a/third-party/libuv/include/pthread-fixes.h b/third-party/libuv/include/pthread-fixes.h new file mode 100644 index 0000000000..230ce3178d --- /dev/null +++ b/third-party/libuv/include/pthread-fixes.h @@ -0,0 +1,59 @@ +/* Copyright (c) 2013, Sony Mobile Communications AB + * Copyright (c) 2012, Google Inc. + All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are + met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above + copyright notice, this list of conditions and the following disclaimer + in the documentation and/or other materials provided with the + distribution. + * Neither the name of Google Inc. nor the names of its + contributors may be used to endorse or promote products derived from + this software without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +#ifndef GOOGLE_BREAKPAD_COMMON_ANDROID_TESTING_PTHREAD_FIXES_H +#define GOOGLE_BREAKPAD_COMMON_ANDROID_TESTING_PTHREAD_FIXES_H + +#include <pthread.h> + + +/*Android doesn't provide pthread_barrier_t for now.*/ +#ifndef PTHREAD_BARRIER_SERIAL_THREAD + +/* Anything except 0 will do here.*/ +#define PTHREAD_BARRIER_SERIAL_THREAD 0x12345 + +typedef struct { + pthread_mutex_t mutex; + pthread_cond_t cond; + unsigned count; +} pthread_barrier_t; + +int pthread_barrier_init(pthread_barrier_t* barrier, + const void* barrier_attr, + unsigned count); + +int pthread_barrier_wait(pthread_barrier_t* barrier); +int pthread_barrier_destroy(pthread_barrier_t *barrier); +#endif /* defined(PTHREAD_BARRIER_SERIAL_THREAD) */ + +int pthread_yield(void); +#endif /* GOOGLE_BREAKPAD_COMMON_ANDROID_TESTING_PTHREAD_FIXES_H */ diff --git a/third-party/libuv/include/stdint-msvc2008.h b/third-party/libuv/include/stdint-msvc2008.h new file mode 100644 index 0000000000..d02608a597 --- /dev/null +++ b/third-party/libuv/include/stdint-msvc2008.h @@ -0,0 +1,247 @@ +// ISO C9x compliant stdint.h for Microsoft Visual Studio +// Based on ISO/IEC 9899:TC2 Committee draft (May 6, 2005) WG14/N1124 +// +// Copyright (c) 2006-2008 Alexander Chemeris +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are met: +// +// 1. Redistributions of source code must retain the above copyright notice, +// this list of conditions and the following disclaimer. +// +// 2. Redistributions in binary form must reproduce the above copyright +// notice, this list of conditions and the following disclaimer in the +// documentation and/or other materials provided with the distribution. +// +// 3. The name of the author may be used to endorse or promote products +// derived from this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED +// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF +// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO +// EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, +// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; +// OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, +// WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR +// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF +// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +// +/////////////////////////////////////////////////////////////////////////////// + +#ifndef _MSC_VER // [ +#error "Use this header only with Microsoft Visual C++ compilers!" +#endif // _MSC_VER ] + +#ifndef _MSC_STDINT_H_ // [ +#define _MSC_STDINT_H_ + +#if _MSC_VER > 1000 +#pragma once +#endif + +#include <limits.h> + +// For Visual Studio 6 in C++ mode and for many Visual Studio versions when +// compiling for ARM we should wrap <wchar.h> include with 'extern "C++" {}' +// or compiler give many errors like this: +// error C2733: second C linkage of overloaded function 'wmemchr' not allowed +#ifdef __cplusplus +extern "C" { +#endif +# include <wchar.h> +#ifdef __cplusplus +} +#endif + +// Define _W64 macros to mark types changing their size, like intptr_t. +#ifndef _W64 +# if !defined(__midl) && (defined(_X86_) || defined(_M_IX86)) && _MSC_VER >= 1300 +# define _W64 __w64 +# else +# define _W64 +# endif +#endif + + +// 7.18.1 Integer types + +// 7.18.1.1 Exact-width integer types + +// Visual Studio 6 and Embedded Visual C++ 4 doesn't +// realize that, e.g. char has the same size as __int8 +// so we give up on __intX for them. +#if (_MSC_VER < 1300) + typedef signed char int8_t; + typedef signed short int16_t; + typedef signed int int32_t; + typedef unsigned char uint8_t; + typedef unsigned short uint16_t; + typedef unsigned int uint32_t; +#else + typedef signed __int8 int8_t; + typedef signed __int16 int16_t; + typedef signed __int32 int32_t; + typedef unsigned __int8 uint8_t; + typedef unsigned __int16 uint16_t; + typedef unsigned __int32 uint32_t; +#endif +typedef signed __int64 int64_t; +typedef unsigned __int64 uint64_t; + + +// 7.18.1.2 Minimum-width integer types +typedef int8_t int_least8_t; +typedef int16_t int_least16_t; +typedef int32_t int_least32_t; +typedef int64_t int_least64_t; +typedef uint8_t uint_least8_t; +typedef uint16_t uint_least16_t; +typedef uint32_t uint_least32_t; +typedef uint64_t uint_least64_t; + +// 7.18.1.3 Fastest minimum-width integer types +typedef int8_t int_fast8_t; +typedef int16_t int_fast16_t; +typedef int32_t int_fast32_t; +typedef int64_t int_fast64_t; +typedef uint8_t uint_fast8_t; +typedef uint16_t uint_fast16_t; +typedef uint32_t uint_fast32_t; +typedef uint64_t uint_fast64_t; + +// 7.18.1.4 Integer types capable of holding object pointers +#ifdef _WIN64 // [ + typedef signed __int64 intptr_t; + typedef unsigned __int64 uintptr_t; +#else // _WIN64 ][ + typedef _W64 signed int intptr_t; + typedef _W64 unsigned int uintptr_t; +#endif // _WIN64 ] + +// 7.18.1.5 Greatest-width integer types +typedef int64_t intmax_t; +typedef uint64_t uintmax_t; + + +// 7.18.2 Limits of specified-width integer types + +#if !defined(__cplusplus) || defined(__STDC_LIMIT_MACROS) // [ See footnote 220 at page 257 and footnote 221 at page 259 + +// 7.18.2.1 Limits of exact-width integer types +#define INT8_MIN ((int8_t)_I8_MIN) +#define INT8_MAX _I8_MAX +#define INT16_MIN ((int16_t)_I16_MIN) +#define INT16_MAX _I16_MAX +#define INT32_MIN ((int32_t)_I32_MIN) +#define INT32_MAX _I32_MAX +#define INT64_MIN ((int64_t)_I64_MIN) +#define INT64_MAX _I64_MAX +#define UINT8_MAX _UI8_MAX +#define UINT16_MAX _UI16_MAX +#define UINT32_MAX _UI32_MAX +#define UINT64_MAX _UI64_MAX + +// 7.18.2.2 Limits of minimum-width integer types +#define INT_LEAST8_MIN INT8_MIN +#define INT_LEAST8_MAX INT8_MAX +#define INT_LEAST16_MIN INT16_MIN +#define INT_LEAST16_MAX INT16_MAX +#define INT_LEAST32_MIN INT32_MIN +#define INT_LEAST32_MAX INT32_MAX +#define INT_LEAST64_MIN INT64_MIN +#define INT_LEAST64_MAX INT64_MAX +#define UINT_LEAST8_MAX UINT8_MAX +#define UINT_LEAST16_MAX UINT16_MAX +#define UINT_LEAST32_MAX UINT32_MAX +#define UINT_LEAST64_MAX UINT64_MAX + +// 7.18.2.3 Limits of fastest minimum-width integer types +#define INT_FAST8_MIN INT8_MIN +#define INT_FAST8_MAX INT8_MAX +#define INT_FAST16_MIN INT16_MIN +#define INT_FAST16_MAX INT16_MAX +#define INT_FAST32_MIN INT32_MIN +#define INT_FAST32_MAX INT32_MAX +#define INT_FAST64_MIN INT64_MIN +#define INT_FAST64_MAX INT64_MAX +#define UINT_FAST8_MAX UINT8_MAX +#define UINT_FAST16_MAX UINT16_MAX +#define UINT_FAST32_MAX UINT32_MAX +#define UINT_FAST64_MAX UINT64_MAX + +// 7.18.2.4 Limits of integer types capable of holding object pointers +#ifdef _WIN64 // [ +# define INTPTR_MIN INT64_MIN +# define INTPTR_MAX INT64_MAX +# define UINTPTR_MAX UINT64_MAX +#else // _WIN64 ][ +# define INTPTR_MIN INT32_MIN +# define INTPTR_MAX INT32_MAX +# define UINTPTR_MAX UINT32_MAX +#endif // _WIN64 ] + +// 7.18.2.5 Limits of greatest-width integer types +#define INTMAX_MIN INT64_MIN +#define INTMAX_MAX INT64_MAX +#define UINTMAX_MAX UINT64_MAX + +// 7.18.3 Limits of other integer types + +#ifdef _WIN64 // [ +# define PTRDIFF_MIN _I64_MIN +# define PTRDIFF_MAX _I64_MAX +#else // _WIN64 ][ +# define PTRDIFF_MIN _I32_MIN +# define PTRDIFF_MAX _I32_MAX +#endif // _WIN64 ] + +#define SIG_ATOMIC_MIN INT_MIN +#define SIG_ATOMIC_MAX INT_MAX + +#ifndef SIZE_MAX // [ +# ifdef _WIN64 // [ +# define SIZE_MAX _UI64_MAX +# else // _WIN64 ][ +# define SIZE_MAX _UI32_MAX +# endif // _WIN64 ] +#endif // SIZE_MAX ] + +// WCHAR_MIN and WCHAR_MAX are also defined in <wchar.h> +#ifndef WCHAR_MIN // [ +# define WCHAR_MIN 0 +#endif // WCHAR_MIN ] +#ifndef WCHAR_MAX // [ +# define WCHAR_MAX _UI16_MAX +#endif // WCHAR_MAX ] + +#define WINT_MIN 0 +#define WINT_MAX _UI16_MAX + +#endif // __STDC_LIMIT_MACROS ] + + +// 7.18.4 Limits of other integer types + +#if !defined(__cplusplus) || defined(__STDC_CONSTANT_MACROS) // [ See footnote 224 at page 260 + +// 7.18.4.1 Macros for minimum-width integer constants + +#define INT8_C(val) val##i8 +#define INT16_C(val) val##i16 +#define INT32_C(val) val##i32 +#define INT64_C(val) val##i64 + +#define UINT8_C(val) val##ui8 +#define UINT16_C(val) val##ui16 +#define UINT32_C(val) val##ui32 +#define UINT64_C(val) val##ui64 + +// 7.18.4.2 Macros for greatest-width integer constants +#define INTMAX_C INT64_C +#define UINTMAX_C UINT64_C + +#endif // __STDC_CONSTANT_MACROS ] + + +#endif // _MSC_STDINT_H_ ] diff --git a/third-party/libuv/include/tree.h b/third-party/libuv/include/tree.h new file mode 100644 index 0000000000..f936416e3d --- /dev/null +++ b/third-party/libuv/include/tree.h @@ -0,0 +1,768 @@ +/*- + * Copyright 2002 Niels Provos <provos@citi.umich.edu> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef UV_TREE_H_ +#define UV_TREE_H_ + +#ifndef UV__UNUSED +# if __GNUC__ +# define UV__UNUSED __attribute__((unused)) +# else +# define UV__UNUSED +# endif +#endif + +/* + * This file defines data structures for different types of trees: + * splay trees and red-black trees. + * + * A splay tree is a self-organizing data structure. Every operation + * on the tree causes a splay to happen. The splay moves the requested + * node to the root of the tree and partly rebalances it. + * + * This has the benefit that request locality causes faster lookups as + * the requested nodes move to the top of the tree. On the other hand, + * every lookup causes memory writes. + * + * The Balance Theorem bounds the total access time for m operations + * and n inserts on an initially empty tree as O((m + n)lg n). The + * amortized cost for a sequence of m accesses to a splay tree is O(lg n); + * + * A red-black tree is a binary search tree with the node color as an + * extra attribute. It fulfills a set of conditions: + * - every search path from the root to a leaf consists of the + * same number of black nodes, + * - each red node (except for the root) has a black parent, + * - each leaf node is black. + * + * Every operation on a red-black tree is bounded as O(lg n). + * The maximum height of a red-black tree is 2lg (n+1). + */ + +#define SPLAY_HEAD(name, type) \ +struct name { \ + struct type *sph_root; /* root of the tree */ \ +} + +#define SPLAY_INITIALIZER(root) \ + { NULL } + +#define SPLAY_INIT(root) do { \ + (root)->sph_root = NULL; \ +} while (/*CONSTCOND*/ 0) + +#define SPLAY_ENTRY(type) \ +struct { \ + struct type *spe_left; /* left element */ \ + struct type *spe_right; /* right element */ \ +} + +#define SPLAY_LEFT(elm, field) (elm)->field.spe_left +#define SPLAY_RIGHT(elm, field) (elm)->field.spe_right +#define SPLAY_ROOT(head) (head)->sph_root +#define SPLAY_EMPTY(head) (SPLAY_ROOT(head) == NULL) + +/* SPLAY_ROTATE_{LEFT,RIGHT} expect that tmp hold SPLAY_{RIGHT,LEFT} */ +#define SPLAY_ROTATE_RIGHT(head, tmp, field) do { \ + SPLAY_LEFT((head)->sph_root, field) = SPLAY_RIGHT(tmp, field); \ + SPLAY_RIGHT(tmp, field) = (head)->sph_root; \ + (head)->sph_root = tmp; \ +} while (/*CONSTCOND*/ 0) + +#define SPLAY_ROTATE_LEFT(head, tmp, field) do { \ + SPLAY_RIGHT((head)->sph_root, field) = SPLAY_LEFT(tmp, field); \ + SPLAY_LEFT(tmp, field) = (head)->sph_root; \ + (head)->sph_root = tmp; \ +} while (/*CONSTCOND*/ 0) + +#define SPLAY_LINKLEFT(head, tmp, field) do { \ + SPLAY_LEFT(tmp, field) = (head)->sph_root; \ + tmp = (head)->sph_root; \ + (head)->sph_root = SPLAY_LEFT((head)->sph_root, field); \ +} while (/*CONSTCOND*/ 0) + +#define SPLAY_LINKRIGHT(head, tmp, field) do { \ + SPLAY_RIGHT(tmp, field) = (head)->sph_root; \ + tmp = (head)->sph_root; \ + (head)->sph_root = SPLAY_RIGHT((head)->sph_root, field); \ +} while (/*CONSTCOND*/ 0) + +#define SPLAY_ASSEMBLE(head, node, left, right, field) do { \ + SPLAY_RIGHT(left, field) = SPLAY_LEFT((head)->sph_root, field); \ + SPLAY_LEFT(right, field) = SPLAY_RIGHT((head)->sph_root, field); \ + SPLAY_LEFT((head)->sph_root, field) = SPLAY_RIGHT(node, field); \ + SPLAY_RIGHT((head)->sph_root, field) = SPLAY_LEFT(node, field); \ +} while (/*CONSTCOND*/ 0) + +/* Generates prototypes and inline functions */ + +#define SPLAY_PROTOTYPE(name, type, field, cmp) \ +void name##_SPLAY(struct name *, struct type *); \ +void name##_SPLAY_MINMAX(struct name *, int); \ +struct type *name##_SPLAY_INSERT(struct name *, struct type *); \ +struct type *name##_SPLAY_REMOVE(struct name *, struct type *); \ + \ +/* Finds the node with the same key as elm */ \ +static __inline struct type * \ +name##_SPLAY_FIND(struct name *head, struct type *elm) \ +{ \ + if (SPLAY_EMPTY(head)) \ + return(NULL); \ + name##_SPLAY(head, elm); \ + if ((cmp)(elm, (head)->sph_root) == 0) \ + return (head->sph_root); \ + return (NULL); \ +} \ + \ +static __inline struct type * \ +name##_SPLAY_NEXT(struct name *head, struct type *elm) \ +{ \ + name##_SPLAY(head, elm); \ + if (SPLAY_RIGHT(elm, field) != NULL) { \ + elm = SPLAY_RIGHT(elm, field); \ + while (SPLAY_LEFT(elm, field) != NULL) { \ + elm = SPLAY_LEFT(elm, field); \ + } \ + } else \ + elm = NULL; \ + return (elm); \ +} \ + \ +static __inline struct type * \ +name##_SPLAY_MIN_MAX(struct name *head, int val) \ +{ \ + name##_SPLAY_MINMAX(head, val); \ + return (SPLAY_ROOT(head)); \ +} + +/* Main splay operation. + * Moves node close to the key of elm to top + */ +#define SPLAY_GENERATE(name, type, field, cmp) \ +struct type * \ +name##_SPLAY_INSERT(struct name *head, struct type *elm) \ +{ \ + if (SPLAY_EMPTY(head)) { \ + SPLAY_LEFT(elm, field) = SPLAY_RIGHT(elm, field) = NULL; \ + } else { \ + int __comp; \ + name##_SPLAY(head, elm); \ + __comp = (cmp)(elm, (head)->sph_root); \ + if(__comp < 0) { \ + SPLAY_LEFT(elm, field) = SPLAY_LEFT((head)->sph_root, field); \ + SPLAY_RIGHT(elm, field) = (head)->sph_root; \ + SPLAY_LEFT((head)->sph_root, field) = NULL; \ + } else if (__comp > 0) { \ + SPLAY_RIGHT(elm, field) = SPLAY_RIGHT((head)->sph_root, field); \ + SPLAY_LEFT(elm, field) = (head)->sph_root; \ + SPLAY_RIGHT((head)->sph_root, field) = NULL; \ + } else \ + return ((head)->sph_root); \ + } \ + (head)->sph_root = (elm); \ + return (NULL); \ +} \ + \ +struct type * \ +name##_SPLAY_REMOVE(struct name *head, struct type *elm) \ +{ \ + struct type *__tmp; \ + if (SPLAY_EMPTY(head)) \ + return (NULL); \ + name##_SPLAY(head, elm); \ + if ((cmp)(elm, (head)->sph_root) == 0) { \ + if (SPLAY_LEFT((head)->sph_root, field) == NULL) { \ + (head)->sph_root = SPLAY_RIGHT((head)->sph_root, field); \ + } else { \ + __tmp = SPLAY_RIGHT((head)->sph_root, field); \ + (head)->sph_root = SPLAY_LEFT((head)->sph_root, field); \ + name##_SPLAY(head, elm); \ + SPLAY_RIGHT((head)->sph_root, field) = __tmp; \ + } \ + return (elm); \ + } \ + return (NULL); \ +} \ + \ +void \ +name##_SPLAY(struct name *head, struct type *elm) \ +{ \ + struct type __node, *__left, *__right, *__tmp; \ + int __comp; \ + \ + SPLAY_LEFT(&__node, field) = SPLAY_RIGHT(&__node, field) = NULL; \ + __left = __right = &__node; \ + \ + while ((__comp = (cmp)(elm, (head)->sph_root)) != 0) { \ + if (__comp < 0) { \ + __tmp = SPLAY_LEFT((head)->sph_root, field); \ + if (__tmp == NULL) \ + break; \ + if ((cmp)(elm, __tmp) < 0){ \ + SPLAY_ROTATE_RIGHT(head, __tmp, field); \ + if (SPLAY_LEFT((head)->sph_root, field) == NULL) \ + break; \ + } \ + SPLAY_LINKLEFT(head, __right, field); \ + } else if (__comp > 0) { \ + __tmp = SPLAY_RIGHT((head)->sph_root, field); \ + if (__tmp == NULL) \ + break; \ + if ((cmp)(elm, __tmp) > 0){ \ + SPLAY_ROTATE_LEFT(head, __tmp, field); \ + if (SPLAY_RIGHT((head)->sph_root, field) == NULL) \ + break; \ + } \ + SPLAY_LINKRIGHT(head, __left, field); \ + } \ + } \ + SPLAY_ASSEMBLE(head, &__node, __left, __right, field); \ +} \ + \ +/* Splay with either the minimum or the maximum element \ + * Used to find minimum or maximum element in tree. \ + */ \ +void name##_SPLAY_MINMAX(struct name *head, int __comp) \ +{ \ + struct type __node, *__left, *__right, *__tmp; \ + \ + SPLAY_LEFT(&__node, field) = SPLAY_RIGHT(&__node, field) = NULL; \ + __left = __right = &__node; \ + \ + while (1) { \ + if (__comp < 0) { \ + __tmp = SPLAY_LEFT((head)->sph_root, field); \ + if (__tmp == NULL) \ + break; \ + if (__comp < 0){ \ + SPLAY_ROTATE_RIGHT(head, __tmp, field); \ + if (SPLAY_LEFT((head)->sph_root, field) == NULL) \ + break; \ + } \ + SPLAY_LINKLEFT(head, __right, field); \ + } else if (__comp > 0) { \ + __tmp = SPLAY_RIGHT((head)->sph_root, field); \ + if (__tmp == NULL) \ + break; \ + if (__comp > 0) { \ + SPLAY_ROTATE_LEFT(head, __tmp, field); \ + if (SPLAY_RIGHT((head)->sph_root, field) == NULL) \ + break; \ + } \ + SPLAY_LINKRIGHT(head, __left, field); \ + } \ + } \ + SPLAY_ASSEMBLE(head, &__node, __left, __right, field); \ +} + +#define SPLAY_NEGINF -1 +#define SPLAY_INF 1 + +#define SPLAY_INSERT(name, x, y) name##_SPLAY_INSERT(x, y) +#define SPLAY_REMOVE(name, x, y) name##_SPLAY_REMOVE(x, y) +#define SPLAY_FIND(name, x, y) name##_SPLAY_FIND(x, y) +#define SPLAY_NEXT(name, x, y) name##_SPLAY_NEXT(x, y) +#define SPLAY_MIN(name, x) (SPLAY_EMPTY(x) ? NULL \ + : name##_SPLAY_MIN_MAX(x, SPLAY_NEGINF)) +#define SPLAY_MAX(name, x) (SPLAY_EMPTY(x) ? NULL \ + : name##_SPLAY_MIN_MAX(x, SPLAY_INF)) + +#define SPLAY_FOREACH(x, name, head) \ + for ((x) = SPLAY_MIN(name, head); \ + (x) != NULL; \ + (x) = SPLAY_NEXT(name, head, x)) + +/* Macros that define a red-black tree */ +#define RB_HEAD(name, type) \ +struct name { \ + struct type *rbh_root; /* root of the tree */ \ +} + +#define RB_INITIALIZER(root) \ + { NULL } + +#define RB_INIT(root) do { \ + (root)->rbh_root = NULL; \ +} while (/*CONSTCOND*/ 0) + +#define RB_BLACK 0 +#define RB_RED 1 +#define RB_ENTRY(type) \ +struct { \ + struct type *rbe_left; /* left element */ \ + struct type *rbe_right; /* right element */ \ + struct type *rbe_parent; /* parent element */ \ + int rbe_color; /* node color */ \ +} + +#define RB_LEFT(elm, field) (elm)->field.rbe_left +#define RB_RIGHT(elm, field) (elm)->field.rbe_right +#define RB_PARENT(elm, field) (elm)->field.rbe_parent +#define RB_COLOR(elm, field) (elm)->field.rbe_color +#define RB_ROOT(head) (head)->rbh_root +#define RB_EMPTY(head) (RB_ROOT(head) == NULL) + +#define RB_SET(elm, parent, field) do { \ + RB_PARENT(elm, field) = parent; \ + RB_LEFT(elm, field) = RB_RIGHT(elm, field) = NULL; \ + RB_COLOR(elm, field) = RB_RED; \ +} while (/*CONSTCOND*/ 0) + +#define RB_SET_BLACKRED(black, red, field) do { \ + RB_COLOR(black, field) = RB_BLACK; \ + RB_COLOR(red, field) = RB_RED; \ +} while (/*CONSTCOND*/ 0) + +#ifndef RB_AUGMENT +#define RB_AUGMENT(x) do {} while (0) +#endif + +#define RB_ROTATE_LEFT(head, elm, tmp, field) do { \ + (tmp) = RB_RIGHT(elm, field); \ + if ((RB_RIGHT(elm, field) = RB_LEFT(tmp, field)) != NULL) { \ + RB_PARENT(RB_LEFT(tmp, field), field) = (elm); \ + } \ + RB_AUGMENT(elm); \ + if ((RB_PARENT(tmp, field) = RB_PARENT(elm, field)) != NULL) { \ + if ((elm) == RB_LEFT(RB_PARENT(elm, field), field)) \ + RB_LEFT(RB_PARENT(elm, field), field) = (tmp); \ + else \ + RB_RIGHT(RB_PARENT(elm, field), field) = (tmp); \ + } else \ + (head)->rbh_root = (tmp); \ + RB_LEFT(tmp, field) = (elm); \ + RB_PARENT(elm, field) = (tmp); \ + RB_AUGMENT(tmp); \ + if ((RB_PARENT(tmp, field))) \ + RB_AUGMENT(RB_PARENT(tmp, field)); \ +} while (/*CONSTCOND*/ 0) + +#define RB_ROTATE_RIGHT(head, elm, tmp, field) do { \ + (tmp) = RB_LEFT(elm, field); \ + if ((RB_LEFT(elm, field) = RB_RIGHT(tmp, field)) != NULL) { \ + RB_PARENT(RB_RIGHT(tmp, field), field) = (elm); \ + } \ + RB_AUGMENT(elm); \ + if ((RB_PARENT(tmp, field) = RB_PARENT(elm, field)) != NULL) { \ + if ((elm) == RB_LEFT(RB_PARENT(elm, field), field)) \ + RB_LEFT(RB_PARENT(elm, field), field) = (tmp); \ + else \ + RB_RIGHT(RB_PARENT(elm, field), field) = (tmp); \ + } else \ + (head)->rbh_root = (tmp); \ + RB_RIGHT(tmp, field) = (elm); \ + RB_PARENT(elm, field) = (tmp); \ + RB_AUGMENT(tmp); \ + if ((RB_PARENT(tmp, field))) \ + RB_AUGMENT(RB_PARENT(tmp, field)); \ +} while (/*CONSTCOND*/ 0) + +/* Generates prototypes and inline functions */ +#define RB_PROTOTYPE(name, type, field, cmp) \ + RB_PROTOTYPE_INTERNAL(name, type, field, cmp,) +#define RB_PROTOTYPE_STATIC(name, type, field, cmp) \ + RB_PROTOTYPE_INTERNAL(name, type, field, cmp, UV__UNUSED static) +#define RB_PROTOTYPE_INTERNAL(name, type, field, cmp, attr) \ +attr void name##_RB_INSERT_COLOR(struct name *, struct type *); \ +attr void name##_RB_REMOVE_COLOR(struct name *, struct type *, struct type *);\ +attr struct type *name##_RB_REMOVE(struct name *, struct type *); \ +attr struct type *name##_RB_INSERT(struct name *, struct type *); \ +attr struct type *name##_RB_FIND(struct name *, struct type *); \ +attr struct type *name##_RB_NFIND(struct name *, struct type *); \ +attr struct type *name##_RB_NEXT(struct type *); \ +attr struct type *name##_RB_PREV(struct type *); \ +attr struct type *name##_RB_MINMAX(struct name *, int); \ + \ + +/* Main rb operation. + * Moves node close to the key of elm to top + */ +#define RB_GENERATE(name, type, field, cmp) \ + RB_GENERATE_INTERNAL(name, type, field, cmp,) +#define RB_GENERATE_STATIC(name, type, field, cmp) \ + RB_GENERATE_INTERNAL(name, type, field, cmp, UV__UNUSED static) +#define RB_GENERATE_INTERNAL(name, type, field, cmp, attr) \ +attr void \ +name##_RB_INSERT_COLOR(struct name *head, struct type *elm) \ +{ \ + struct type *parent, *gparent, *tmp; \ + while ((parent = RB_PARENT(elm, field)) != NULL && \ + RB_COLOR(parent, field) == RB_RED) { \ + gparent = RB_PARENT(parent, field); \ + if (parent == RB_LEFT(gparent, field)) { \ + tmp = RB_RIGHT(gparent, field); \ + if (tmp && RB_COLOR(tmp, field) == RB_RED) { \ + RB_COLOR(tmp, field) = RB_BLACK; \ + RB_SET_BLACKRED(parent, gparent, field); \ + elm = gparent; \ + continue; \ + } \ + if (RB_RIGHT(parent, field) == elm) { \ + RB_ROTATE_LEFT(head, parent, tmp, field); \ + tmp = parent; \ + parent = elm; \ + elm = tmp; \ + } \ + RB_SET_BLACKRED(parent, gparent, field); \ + RB_ROTATE_RIGHT(head, gparent, tmp, field); \ + } else { \ + tmp = RB_LEFT(gparent, field); \ + if (tmp && RB_COLOR(tmp, field) == RB_RED) { \ + RB_COLOR(tmp, field) = RB_BLACK; \ + RB_SET_BLACKRED(parent, gparent, field); \ + elm = gparent; \ + continue; \ + } \ + if (RB_LEFT(parent, field) == elm) { \ + RB_ROTATE_RIGHT(head, parent, tmp, field); \ + tmp = parent; \ + parent = elm; \ + elm = tmp; \ + } \ + RB_SET_BLACKRED(parent, gparent, field); \ + RB_ROTATE_LEFT(head, gparent, tmp, field); \ + } \ + } \ + RB_COLOR(head->rbh_root, field) = RB_BLACK; \ +} \ + \ +attr void \ +name##_RB_REMOVE_COLOR(struct name *head, struct type *parent, \ + struct type *elm) \ +{ \ + struct type *tmp; \ + while ((elm == NULL || RB_COLOR(elm, field) == RB_BLACK) && \ + elm != RB_ROOT(head)) { \ + if (RB_LEFT(parent, field) == elm) { \ + tmp = RB_RIGHT(parent, field); \ + if (RB_COLOR(tmp, field) == RB_RED) { \ + RB_SET_BLACKRED(tmp, parent, field); \ + RB_ROTATE_LEFT(head, parent, tmp, field); \ + tmp = RB_RIGHT(parent, field); \ + } \ + if ((RB_LEFT(tmp, field) == NULL || \ + RB_COLOR(RB_LEFT(tmp, field), field) == RB_BLACK) && \ + (RB_RIGHT(tmp, field) == NULL || \ + RB_COLOR(RB_RIGHT(tmp, field), field) == RB_BLACK)) { \ + RB_COLOR(tmp, field) = RB_RED; \ + elm = parent; \ + parent = RB_PARENT(elm, field); \ + } else { \ + if (RB_RIGHT(tmp, field) == NULL || \ + RB_COLOR(RB_RIGHT(tmp, field), field) == RB_BLACK) { \ + struct type *oleft; \ + if ((oleft = RB_LEFT(tmp, field)) \ + != NULL) \ + RB_COLOR(oleft, field) = RB_BLACK; \ + RB_COLOR(tmp, field) = RB_RED; \ + RB_ROTATE_RIGHT(head, tmp, oleft, field); \ + tmp = RB_RIGHT(parent, field); \ + } \ + RB_COLOR(tmp, field) = RB_COLOR(parent, field); \ + RB_COLOR(parent, field) = RB_BLACK; \ + if (RB_RIGHT(tmp, field)) \ + RB_COLOR(RB_RIGHT(tmp, field), field) = RB_BLACK; \ + RB_ROTATE_LEFT(head, parent, tmp, field); \ + elm = RB_ROOT(head); \ + break; \ + } \ + } else { \ + tmp = RB_LEFT(parent, field); \ + if (RB_COLOR(tmp, field) == RB_RED) { \ + RB_SET_BLACKRED(tmp, parent, field); \ + RB_ROTATE_RIGHT(head, parent, tmp, field); \ + tmp = RB_LEFT(parent, field); \ + } \ + if ((RB_LEFT(tmp, field) == NULL || \ + RB_COLOR(RB_LEFT(tmp, field), field) == RB_BLACK) && \ + (RB_RIGHT(tmp, field) == NULL || \ + RB_COLOR(RB_RIGHT(tmp, field), field) == RB_BLACK)) { \ + RB_COLOR(tmp, field) = RB_RED; \ + elm = parent; \ + parent = RB_PARENT(elm, field); \ + } else { \ + if (RB_LEFT(tmp, field) == NULL || \ + RB_COLOR(RB_LEFT(tmp, field), field) == RB_BLACK) { \ + struct type *oright; \ + if ((oright = RB_RIGHT(tmp, field)) \ + != NULL) \ + RB_COLOR(oright, field) = RB_BLACK; \ + RB_COLOR(tmp, field) = RB_RED; \ + RB_ROTATE_LEFT(head, tmp, oright, field); \ + tmp = RB_LEFT(parent, field); \ + } \ + RB_COLOR(tmp, field) = RB_COLOR(parent, field); \ + RB_COLOR(parent, field) = RB_BLACK; \ + if (RB_LEFT(tmp, field)) \ + RB_COLOR(RB_LEFT(tmp, field), field) = RB_BLACK; \ + RB_ROTATE_RIGHT(head, parent, tmp, field); \ + elm = RB_ROOT(head); \ + break; \ + } \ + } \ + } \ + if (elm) \ + RB_COLOR(elm, field) = RB_BLACK; \ +} \ + \ +attr struct type * \ +name##_RB_REMOVE(struct name *head, struct type *elm) \ +{ \ + struct type *child, *parent, *old = elm; \ + int color; \ + if (RB_LEFT(elm, field) == NULL) \ + child = RB_RIGHT(elm, field); \ + else if (RB_RIGHT(elm, field) == NULL) \ + child = RB_LEFT(elm, field); \ + else { \ + struct type *left; \ + elm = RB_RIGHT(elm, field); \ + while ((left = RB_LEFT(elm, field)) != NULL) \ + elm = left; \ + child = RB_RIGHT(elm, field); \ + parent = RB_PARENT(elm, field); \ + color = RB_COLOR(elm, field); \ + if (child) \ + RB_PARENT(child, field) = parent; \ + if (parent) { \ + if (RB_LEFT(parent, field) == elm) \ + RB_LEFT(parent, field) = child; \ + else \ + RB_RIGHT(parent, field) = child; \ + RB_AUGMENT(parent); \ + } else \ + RB_ROOT(head) = child; \ + if (RB_PARENT(elm, field) == old) \ + parent = elm; \ + (elm)->field = (old)->field; \ + if (RB_PARENT(old, field)) { \ + if (RB_LEFT(RB_PARENT(old, field), field) == old) \ + RB_LEFT(RB_PARENT(old, field), field) = elm; \ + else \ + RB_RIGHT(RB_PARENT(old, field), field) = elm; \ + RB_AUGMENT(RB_PARENT(old, field)); \ + } else \ + RB_ROOT(head) = elm; \ + RB_PARENT(RB_LEFT(old, field), field) = elm; \ + if (RB_RIGHT(old, field)) \ + RB_PARENT(RB_RIGHT(old, field), field) = elm; \ + if (parent) { \ + left = parent; \ + do { \ + RB_AUGMENT(left); \ + } while ((left = RB_PARENT(left, field)) != NULL); \ + } \ + goto color; \ + } \ + parent = RB_PARENT(elm, field); \ + color = RB_COLOR(elm, field); \ + if (child) \ + RB_PARENT(child, field) = parent; \ + if (parent) { \ + if (RB_LEFT(parent, field) == elm) \ + RB_LEFT(parent, field) = child; \ + else \ + RB_RIGHT(parent, field) = child; \ + RB_AUGMENT(parent); \ + } else \ + RB_ROOT(head) = child; \ +color: \ + if (color == RB_BLACK) \ + name##_RB_REMOVE_COLOR(head, parent, child); \ + return (old); \ +} \ + \ +/* Inserts a node into the RB tree */ \ +attr struct type * \ +name##_RB_INSERT(struct name *head, struct type *elm) \ +{ \ + struct type *tmp; \ + struct type *parent = NULL; \ + int comp = 0; \ + tmp = RB_ROOT(head); \ + while (tmp) { \ + parent = tmp; \ + comp = (cmp)(elm, parent); \ + if (comp < 0) \ + tmp = RB_LEFT(tmp, field); \ + else if (comp > 0) \ + tmp = RB_RIGHT(tmp, field); \ + else \ + return (tmp); \ + } \ + RB_SET(elm, parent, field); \ + if (parent != NULL) { \ + if (comp < 0) \ + RB_LEFT(parent, field) = elm; \ + else \ + RB_RIGHT(parent, field) = elm; \ + RB_AUGMENT(parent); \ + } else \ + RB_ROOT(head) = elm; \ + name##_RB_INSERT_COLOR(head, elm); \ + return (NULL); \ +} \ + \ +/* Finds the node with the same key as elm */ \ +attr struct type * \ +name##_RB_FIND(struct name *head, struct type *elm) \ +{ \ + struct type *tmp = RB_ROOT(head); \ + int comp; \ + while (tmp) { \ + comp = cmp(elm, tmp); \ + if (comp < 0) \ + tmp = RB_LEFT(tmp, field); \ + else if (comp > 0) \ + tmp = RB_RIGHT(tmp, field); \ + else \ + return (tmp); \ + } \ + return (NULL); \ +} \ + \ +/* Finds the first node greater than or equal to the search key */ \ +attr struct type * \ +name##_RB_NFIND(struct name *head, struct type *elm) \ +{ \ + struct type *tmp = RB_ROOT(head); \ + struct type *res = NULL; \ + int comp; \ + while (tmp) { \ + comp = cmp(elm, tmp); \ + if (comp < 0) { \ + res = tmp; \ + tmp = RB_LEFT(tmp, field); \ + } \ + else if (comp > 0) \ + tmp = RB_RIGHT(tmp, field); \ + else \ + return (tmp); \ + } \ + return (res); \ +} \ + \ +/* ARGSUSED */ \ +attr struct type * \ +name##_RB_NEXT(struct type *elm) \ +{ \ + if (RB_RIGHT(elm, field)) { \ + elm = RB_RIGHT(elm, field); \ + while (RB_LEFT(elm, field)) \ + elm = RB_LEFT(elm, field); \ + } else { \ + if (RB_PARENT(elm, field) && \ + (elm == RB_LEFT(RB_PARENT(elm, field), field))) \ + elm = RB_PARENT(elm, field); \ + else { \ + while (RB_PARENT(elm, field) && \ + (elm == RB_RIGHT(RB_PARENT(elm, field), field))) \ + elm = RB_PARENT(elm, field); \ + elm = RB_PARENT(elm, field); \ + } \ + } \ + return (elm); \ +} \ + \ +/* ARGSUSED */ \ +attr struct type * \ +name##_RB_PREV(struct type *elm) \ +{ \ + if (RB_LEFT(elm, field)) { \ + elm = RB_LEFT(elm, field); \ + while (RB_RIGHT(elm, field)) \ + elm = RB_RIGHT(elm, field); \ + } else { \ + if (RB_PARENT(elm, field) && \ + (elm == RB_RIGHT(RB_PARENT(elm, field), field))) \ + elm = RB_PARENT(elm, field); \ + else { \ + while (RB_PARENT(elm, field) && \ + (elm == RB_LEFT(RB_PARENT(elm, field), field))) \ + elm = RB_PARENT(elm, field); \ + elm = RB_PARENT(elm, field); \ + } \ + } \ + return (elm); \ +} \ + \ +attr struct type * \ +name##_RB_MINMAX(struct name *head, int val) \ +{ \ + struct type *tmp = RB_ROOT(head); \ + struct type *parent = NULL; \ + while (tmp) { \ + parent = tmp; \ + if (val < 0) \ + tmp = RB_LEFT(tmp, field); \ + else \ + tmp = RB_RIGHT(tmp, field); \ + } \ + return (parent); \ +} + +#define RB_NEGINF -1 +#define RB_INF 1 + +#define RB_INSERT(name, x, y) name##_RB_INSERT(x, y) +#define RB_REMOVE(name, x, y) name##_RB_REMOVE(x, y) +#define RB_FIND(name, x, y) name##_RB_FIND(x, y) +#define RB_NFIND(name, x, y) name##_RB_NFIND(x, y) +#define RB_NEXT(name, x, y) name##_RB_NEXT(y) +#define RB_PREV(name, x, y) name##_RB_PREV(y) +#define RB_MIN(name, x) name##_RB_MINMAX(x, RB_NEGINF) +#define RB_MAX(name, x) name##_RB_MINMAX(x, RB_INF) + +#define RB_FOREACH(x, name, head) \ + for ((x) = RB_MIN(name, head); \ + (x) != NULL; \ + (x) = name##_RB_NEXT(x)) + +#define RB_FOREACH_FROM(x, name, y) \ + for ((x) = (y); \ + ((x) != NULL) && ((y) = name##_RB_NEXT(x), (x) != NULL); \ + (x) = (y)) + +#define RB_FOREACH_SAFE(x, name, head, y) \ + for ((x) = RB_MIN(name, head); \ + ((x) != NULL) && ((y) = name##_RB_NEXT(x), (x) != NULL); \ + (x) = (y)) + +#define RB_FOREACH_REVERSE(x, name, head) \ + for ((x) = RB_MAX(name, head); \ + (x) != NULL; \ + (x) = name##_RB_PREV(x)) + +#define RB_FOREACH_REVERSE_FROM(x, name, y) \ + for ((x) = (y); \ + ((x) != NULL) && ((y) = name##_RB_PREV(x), (x) != NULL); \ + (x) = (y)) + +#define RB_FOREACH_REVERSE_SAFE(x, name, head, y) \ + for ((x) = RB_MAX(name, head); \ + ((x) != NULL) && ((y) = name##_RB_PREV(x), (x) != NULL); \ + (x) = (y)) + +#endif /* UV_TREE_H_ */ diff --git a/third-party/libuv/include/uv-bsd.h b/third-party/libuv/include/uv-bsd.h new file mode 100644 index 0000000000..2d72b3d771 --- /dev/null +++ b/third-party/libuv/include/uv-bsd.h @@ -0,0 +1,34 @@ +/* Copyright Joyent, Inc. and other Node contributors. All rights reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to + * deal in the Software without restriction, including without limitation the + * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + */ + +#ifndef UV_BSD_H +#define UV_BSD_H + +#define UV_PLATFORM_FS_EVENT_FIELDS \ + uv__io_t event_watcher; \ + +#define UV_IO_PRIVATE_PLATFORM_FIELDS \ + int rcount; \ + int wcount; \ + +#define UV_HAVE_KQUEUE 1 + +#endif /* UV_BSD_H */ diff --git a/third-party/libuv/include/uv-darwin.h b/third-party/libuv/include/uv-darwin.h new file mode 100644 index 0000000000..24bc35b581 --- /dev/null +++ b/third-party/libuv/include/uv-darwin.h @@ -0,0 +1,63 @@ +/* Copyright Joyent, Inc. and other Node contributors. All rights reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to + * deal in the Software without restriction, including without limitation the + * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + */ + +#ifndef UV_DARWIN_H +#define UV_DARWIN_H + +#if defined(__APPLE__) && defined(__MACH__) +# include <mach/mach.h> +# include <mach/task.h> +# include <mach/semaphore.h> +# include <TargetConditionals.h> +# define UV_PLATFORM_SEM_T semaphore_t +#endif + +#define UV_IO_PRIVATE_PLATFORM_FIELDS \ + int rcount; \ + int wcount; \ + +#define UV_PLATFORM_LOOP_FIELDS \ + uv_thread_t cf_thread; \ + void* _cf_reserved; \ + void* cf_state; \ + uv_mutex_t cf_mutex; \ + uv_sem_t cf_sem; \ + void* cf_signals[2]; \ + +#define UV_PLATFORM_FS_EVENT_FIELDS \ + uv__io_t event_watcher; \ + char* realpath; \ + int realpath_len; \ + int cf_flags; \ + uv_async_t* cf_cb; \ + void* cf_events[2]; \ + void* cf_member[2]; \ + int cf_error; \ + uv_mutex_t cf_mutex; \ + +#define UV_STREAM_PRIVATE_PLATFORM_FIELDS \ + void* select; \ + +#define UV_HAVE_KQUEUE 1 + +#define UV_PLATFORM_HAS_IP6_LINK_LOCAL_ADDRESS + +#endif /* UV_DARWIN_H */ diff --git a/third-party/libuv/include/uv-errno.h b/third-party/libuv/include/uv-errno.h new file mode 100644 index 0000000000..797bcab93b --- /dev/null +++ b/third-party/libuv/include/uv-errno.h @@ -0,0 +1,373 @@ +/* Copyright Joyent, Inc. and other Node contributors. All rights reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to + * deal in the Software without restriction, including without limitation the + * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + */ + +#ifndef UV_ERRNO_H_ +#define UV_ERRNO_H_ + +#include <errno.h> + +#define UV__EOF (-4095) +#define UV__UNKNOWN (-4094) + +#define UV__EAI_ADDRFAMILY (-3000) +#define UV__EAI_AGAIN (-3001) +#define UV__EAI_BADFLAGS (-3002) +#define UV__EAI_CANCELED (-3003) +#define UV__EAI_FAIL (-3004) +#define UV__EAI_FAMILY (-3005) +#define UV__EAI_MEMORY (-3006) +#define UV__EAI_NODATA (-3007) +#define UV__EAI_NONAME (-3008) +#define UV__EAI_OVERFLOW (-3009) +#define UV__EAI_SERVICE (-3010) +#define UV__EAI_SOCKTYPE (-3011) +#define UV__EAI_SYSTEM (-3012) /* TODO(bnoordhuis) Return system error. */ +#define UV__EAI_BADHINTS (-3013) +#define UV__EAI_PROTOCOL (-3014) + +/* Only map to the system errno on non-Windows platforms. It's apparently + * a fairly common practice for Windows programmers to redefine errno codes. + */ +#if defined(E2BIG) && !defined(_WIN32) +# define UV__E2BIG (-E2BIG) +#else +# define UV__E2BIG (-4093) +#endif + +#if defined(EACCES) && !defined(_WIN32) +# define UV__EACCES (-EACCES) +#else +# define UV__EACCES (-4092) +#endif + +#if defined(EADDRINFO) && !defined(_WIN32) +# define UV__EADDRINFO EADDRINFO +#else +# define UV__EADDRINFO (-4091) +#endif + +#if defined(EADDRINUSE) && !defined(_WIN32) +# define UV__EADDRINUSE (-EADDRINUSE) +#else +# define UV__EADDRINUSE (-4091) +#endif + +#if defined(EADDRNOTAVAIL) && !defined(_WIN32) +# define UV__EADDRNOTAVAIL (-EADDRNOTAVAIL) +#else +# define UV__EADDRNOTAVAIL (-4090) +#endif + +#if defined(EAFNOSUPPORT) && !defined(_WIN32) +# define UV__EAFNOSUPPORT (-EAFNOSUPPORT) +#else +# define UV__EAFNOSUPPORT (-4089) +#endif + +#if defined(EAGAIN) && !defined(_WIN32) +# define UV__EAGAIN (-EAGAIN) +#else +# define UV__EAGAIN (-4088) +#endif + +#if defined(EALREADY) && !defined(_WIN32) +# define UV__EALREADY (-EALREADY) +#else +# define UV__EALREADY (-4084) +#endif + +#if defined(EBADF) && !defined(_WIN32) +# define UV__EBADF (-EBADF) +#else +# define UV__EBADF (-4083) +#endif + +#if defined(EBUSY) && !defined(_WIN32) +# define UV__EBUSY (-EBUSY) +#else +# define UV__EBUSY (-4082) +#endif + +#if defined(ECANCELED) && !defined(_WIN32) +# define UV__ECANCELED (-ECANCELED) +#else +# define UV__ECANCELED (-4081) +#endif + +#if defined(ECHARSET) && !defined(_WIN32) +# define UV__ECHARSET (-ECHARSET) +#else +# define UV__ECHARSET (-4080) +#endif + +#if defined(ECONNABORTED) && !defined(_WIN32) +# define UV__ECONNABORTED (-ECONNABORTED) +#else +# define UV__ECONNABORTED (-4079) +#endif + +#if defined(ECONNREFUSED) && !defined(_WIN32) +# define UV__ECONNREFUSED (-ECONNREFUSED) +#else +# define UV__ECONNREFUSED (-4078) +#endif + +#if defined(ECONNRESET) && !defined(_WIN32) +# define UV__ECONNRESET (-ECONNRESET) +#else +# define UV__ECONNRESET (-4077) +#endif + +#if defined(EDESTADDRREQ) && !defined(_WIN32) +# define UV__EDESTADDRREQ (-EDESTADDRREQ) +#else +# define UV__EDESTADDRREQ (-4076) +#endif + +#if defined(EEXIST) && !defined(_WIN32) +# define UV__EEXIST (-EEXIST) +#else +# define UV__EEXIST (-4075) +#endif + +#if defined(EFAULT) && !defined(_WIN32) +# define UV__EFAULT (-EFAULT) +#else +# define UV__EFAULT (-4074) +#endif + +#if defined(EHOSTUNREACH) && !defined(_WIN32) +# define UV__EHOSTUNREACH (-EHOSTUNREACH) +#else +# define UV__EHOSTUNREACH (-4073) +#endif + +#if defined(EINTR) && !defined(_WIN32) +# define UV__EINTR (-EINTR) +#else +# define UV__EINTR (-4072) +#endif + +#if defined(EINVAL) && !defined(_WIN32) +# define UV__EINVAL (-EINVAL) +#else +# define UV__EINVAL (-4071) +#endif + +#if defined(EIO) && !defined(_WIN32) +# define UV__EIO (-EIO) +#else +# define UV__EIO (-4070) +#endif + +#if defined(EISCONN) && !defined(_WIN32) +# define UV__EISCONN (-EISCONN) +#else +# define UV__EISCONN (-4069) +#endif + +#if defined(EISDIR) && !defined(_WIN32) +# define UV__EISDIR (-EISDIR) +#else +# define UV__EISDIR (-4068) +#endif + +#if defined(ELOOP) && !defined(_WIN32) +# define UV__ELOOP (-ELOOP) +#else +# define UV__ELOOP (-4067) +#endif + +#if defined(EMFILE) && !defined(_WIN32) +# define UV__EMFILE (-EMFILE) +#else +# define UV__EMFILE (-4066) +#endif + +#if defined(EMSGSIZE) && !defined(_WIN32) +# define UV__EMSGSIZE (-EMSGSIZE) +#else +# define UV__EMSGSIZE (-4065) +#endif + +#if defined(ENAMETOOLONG) && !defined(_WIN32) +# define UV__ENAMETOOLONG (-ENAMETOOLONG) +#else +# define UV__ENAMETOOLONG (-4064) +#endif + +#if defined(ENETDOWN) && !defined(_WIN32) +# define UV__ENETDOWN (-ENETDOWN) +#else +# define UV__ENETDOWN (-4063) +#endif + +#if defined(ENETUNREACH) && !defined(_WIN32) +# define UV__ENETUNREACH (-ENETUNREACH) +#else +# define UV__ENETUNREACH (-4062) +#endif + +#if defined(ENFILE) && !defined(_WIN32) +# define UV__ENFILE (-ENFILE) +#else +# define UV__ENFILE (-4061) +#endif + +#if defined(ENOBUFS) && !defined(_WIN32) +# define UV__ENOBUFS (-ENOBUFS) +#else +# define UV__ENOBUFS (-4060) +#endif + +#if defined(ENODEV) && !defined(_WIN32) +# define UV__ENODEV (-ENODEV) +#else +# define UV__ENODEV (-4059) +#endif + +#if defined(ENOENT) && !defined(_WIN32) +# define UV__ENOENT (-ENOENT) +#else +# define UV__ENOENT (-4058) +#endif + +#if defined(ENOMEM) && !defined(_WIN32) +# define UV__ENOMEM (-ENOMEM) +#else +# define UV__ENOMEM (-4057) +#endif + +#if defined(ENONET) && !defined(_WIN32) +# define UV__ENONET (-ENONET) +#else +# define UV__ENONET (-4056) +#endif + +#if defined(ENOSPC) && !defined(_WIN32) +# define UV__ENOSPC (-ENOSPC) +#else +# define UV__ENOSPC (-4055) +#endif + +#if defined(ENOSYS) && !defined(_WIN32) +# define UV__ENOSYS (-ENOSYS) +#else +# define UV__ENOSYS (-4054) +#endif + +#if defined(ENOTCONN) && !defined(_WIN32) +# define UV__ENOTCONN (-ENOTCONN) +#else +# define UV__ENOTCONN (-4053) +#endif + +#if defined(ENOTDIR) && !defined(_WIN32) +# define UV__ENOTDIR (-ENOTDIR) +#else +# define UV__ENOTDIR (-4052) +#endif + +#if defined(ENOTEMPTY) && !defined(_WIN32) +# define UV__ENOTEMPTY (-ENOTEMPTY) +#else +# define UV__ENOTEMPTY (-4051) +#endif + +#if defined(ENOTSOCK) && !defined(_WIN32) +# define UV__ENOTSOCK (-ENOTSOCK) +#else +# define UV__ENOTSOCK (-4050) +#endif + +#if defined(ENOTSUP) && !defined(_WIN32) +# define UV__ENOTSUP (-ENOTSUP) +#else +# define UV__ENOTSUP (-4049) +#endif + +#if defined(EPERM) && !defined(_WIN32) +# define UV__EPERM (-EPERM) +#else +# define UV__EPERM (-4048) +#endif + +#if defined(EPIPE) && !defined(_WIN32) +# define UV__EPIPE (-EPIPE) +#else +# define UV__EPIPE (-4047) +#endif + +#if defined(EPROTO) && !defined(_WIN32) +# define UV__EPROTO (-EPROTO) +#else +# define UV__EPROTO (-4046) +#endif + +#if defined(EPROTONOSUPPORT) && !defined(_WIN32) +# define UV__EPROTONOSUPPORT (-EPROTONOSUPPORT) +#else +# define UV__EPROTONOSUPPORT (-4045) +#endif + +#if defined(EPROTOTYPE) && !defined(_WIN32) +# define UV__EPROTOTYPE (-EPROTOTYPE) +#else +# define UV__EPROTOTYPE (-4044) +#endif + +#if defined(EROFS) && !defined(_WIN32) +# define UV__EROFS (-EROFS) +#else +# define UV__EROFS (-4043) +#endif + +#if defined(ESHUTDOWN) && !defined(_WIN32) +# define UV__ESHUTDOWN (-ESHUTDOWN) +#else +# define UV__ESHUTDOWN (-4042) +#endif + +#if defined(ESPIPE) && !defined(_WIN32) +# define UV__ESPIPE (-ESPIPE) +#else +# define UV__ESPIPE (-4041) +#endif + +#if defined(ESRCH) && !defined(_WIN32) +# define UV__ESRCH (-ESRCH) +#else +# define UV__ESRCH (-4040) +#endif + +#if defined(ETIMEDOUT) && !defined(_WIN32) +# define UV__ETIMEDOUT (-ETIMEDOUT) +#else +# define UV__ETIMEDOUT (-4039) +#endif + +#if defined(EXDEV) && !defined(_WIN32) +# define UV__EXDEV (-EXDEV) +#else +# define UV__EXDEV (-4037) +#endif + +#endif /* UV_ERRNO_H_ */ diff --git a/third-party/libuv/include/uv-linux.h b/third-party/libuv/include/uv-linux.h new file mode 100644 index 0000000000..62ebfe2a02 --- /dev/null +++ b/third-party/libuv/include/uv-linux.h @@ -0,0 +1,36 @@ +/* Copyright Joyent, Inc. and other Node contributors. All rights reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to + * deal in the Software without restriction, including without limitation the + * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + */ + +#ifndef UV_LINUX_H +#define UV_LINUX_H + +#define UV_PLATFORM_LOOP_FIELDS \ + uv__io_t inotify_read_watcher; \ + void* inotify_watchers; \ + int inotify_fd; \ + +#define UV_PLATFORM_FS_EVENT_FIELDS \ + void* watchers[2]; \ + int wd; \ + +#define UV_PLATFORM_HAS_IP6_LINK_LOCAL_ADDRESS + +#endif /* UV_LINUX_H */ diff --git a/third-party/libuv/include/uv-sunos.h b/third-party/libuv/include/uv-sunos.h new file mode 100644 index 0000000000..042166424e --- /dev/null +++ b/third-party/libuv/include/uv-sunos.h @@ -0,0 +1,44 @@ +/* Copyright Joyent, Inc. and other Node contributors. All rights reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to + * deal in the Software without restriction, including without limitation the + * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + */ + +#ifndef UV_SUNOS_H +#define UV_SUNOS_H + +#include <sys/port.h> +#include <port.h> + +/* For the sake of convenience and reduced #ifdef-ery in src/unix/sunos.c, + * add the fs_event fields even when this version of SunOS doesn't support + * file watching. + */ +#define UV_PLATFORM_LOOP_FIELDS \ + uv__io_t fs_event_watcher; \ + int fs_fd; \ + +#if defined(PORT_SOURCE_FILE) + +# define UV_PLATFORM_FS_EVENT_FIELDS \ + file_obj_t fo; \ + int fd; \ + +#endif /* defined(PORT_SOURCE_FILE) */ + +#endif /* UV_SUNOS_H */ diff --git a/third-party/libuv/include/uv-unix.h b/third-party/libuv/include/uv-unix.h new file mode 100644 index 0000000000..45006092be --- /dev/null +++ b/third-party/libuv/include/uv-unix.h @@ -0,0 +1,329 @@ +/* Copyright Joyent, Inc. and other Node contributors. All rights reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to + * deal in the Software without restriction, including without limitation the + * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + */ + +#ifndef UV_UNIX_H +#define UV_UNIX_H + +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> + +#include <sys/socket.h> +#include <netinet/in.h> +#include <netinet/tcp.h> +#include <arpa/inet.h> +#include <netdb.h> + +#include <termios.h> +#include <pwd.h> + +#include <semaphore.h> +#include <pthread.h> +#ifdef __ANDROID__ +#include "pthread-fixes.h" +#endif +#include <signal.h> + +#if defined(__linux__) +# include "uv-linux.h" +#elif defined(__sun) +# include "uv-sunos.h" +#elif defined(__APPLE__) +# include "uv-darwin.h" +#elif defined(__DragonFly__) || \ + defined(__FreeBSD__) || \ + defined(__OpenBSD__) || \ + defined(__NetBSD__) +# include "uv-bsd.h" +#endif + +#ifndef UV_IO_PRIVATE_PLATFORM_FIELDS +# define UV_IO_PRIVATE_PLATFORM_FIELDS /* empty */ +#endif + +struct uv__io_s; +struct uv__async; +struct uv_loop_s; + +typedef void (*uv__io_cb)(struct uv_loop_s* loop, + struct uv__io_s* w, + unsigned int events); +typedef struct uv__io_s uv__io_t; + +struct uv__io_s { + uv__io_cb cb; + void* pending_queue[2]; + void* watcher_queue[2]; + unsigned int pevents; /* Pending event mask i.e. mask at next tick. */ + unsigned int events; /* Current event mask. */ + int fd; + UV_IO_PRIVATE_PLATFORM_FIELDS +}; + +typedef void (*uv__async_cb)(struct uv_loop_s* loop, + struct uv__async* w, + unsigned int nevents); + +struct uv__async { + uv__async_cb cb; + uv__io_t io_watcher; + int wfd; +}; + +struct uv__work { + void (*work)(struct uv__work *w); + void (*done)(struct uv__work *w, int status); + struct uv_loop_s* loop; + void* wq[2]; +}; + +#ifndef UV_PLATFORM_SEM_T +# define UV_PLATFORM_SEM_T sem_t +#endif + +#ifndef UV_PLATFORM_LOOP_FIELDS +# define UV_PLATFORM_LOOP_FIELDS /* empty */ +#endif + +#ifndef UV_PLATFORM_FS_EVENT_FIELDS +# define UV_PLATFORM_FS_EVENT_FIELDS /* empty */ +#endif + +#ifndef UV_STREAM_PRIVATE_PLATFORM_FIELDS +# define UV_STREAM_PRIVATE_PLATFORM_FIELDS /* empty */ +#endif + +/* Note: May be cast to struct iovec. See writev(2). */ +typedef struct { + char* base; + size_t len; +} uv_buf_t; + +typedef int uv_file; +typedef int uv_os_sock_t; + +#define UV_ONCE_INIT PTHREAD_ONCE_INIT + +typedef pthread_once_t uv_once_t; +typedef pthread_t uv_thread_t; +typedef pthread_mutex_t uv_mutex_t; +typedef pthread_rwlock_t uv_rwlock_t; +typedef UV_PLATFORM_SEM_T uv_sem_t; +typedef pthread_cond_t uv_cond_t; +typedef pthread_key_t uv_key_t; + +#if defined(__APPLE__) && defined(__MACH__) + +typedef struct { + unsigned int n; + unsigned int count; + uv_mutex_t mutex; + uv_sem_t turnstile1; + uv_sem_t turnstile2; +} uv_barrier_t; + +#else /* defined(__APPLE__) && defined(__MACH__) */ + +typedef pthread_barrier_t uv_barrier_t; + +#endif /* defined(__APPLE__) && defined(__MACH__) */ + +/* Platform-specific definitions for uv_spawn support. */ +typedef gid_t uv_gid_t; +typedef uid_t uv_uid_t; + +/* Platform-specific definitions for uv_dlopen support. */ +#define UV_DYNAMIC /* empty */ + +typedef struct { + void* handle; + char* errmsg; +} uv_lib_t; + +#define UV_LOOP_PRIVATE_FIELDS \ + unsigned long flags; \ + int backend_fd; \ + void* pending_queue[2]; \ + void* watcher_queue[2]; \ + uv__io_t** watchers; \ + unsigned int nwatchers; \ + unsigned int nfds; \ + void* wq[2]; \ + uv_mutex_t wq_mutex; \ + uv_async_t wq_async; \ + uv_handle_t* closing_handles; \ + void* process_handles[1][2]; \ + void* prepare_handles[2]; \ + void* check_handles[2]; \ + void* idle_handles[2]; \ + void* async_handles[2]; \ + struct uv__async async_watcher; \ + /* RB_HEAD(uv__timers, uv_timer_s) */ \ + struct uv__timers { \ + struct uv_timer_s* rbh_root; \ + } timer_handles; \ + uint64_t time; \ + int signal_pipefd[2]; \ + uv__io_t signal_io_watcher; \ + uv_signal_t child_watcher; \ + int emfile_fd; \ + uint64_t timer_counter; \ + UV_PLATFORM_LOOP_FIELDS \ + +#define UV_REQ_TYPE_PRIVATE /* empty */ + +#define UV_REQ_PRIVATE_FIELDS /* empty */ + +#define UV_PRIVATE_REQ_TYPES /* empty */ + +#define UV_WRITE_PRIVATE_FIELDS \ + void* queue[2]; \ + unsigned int write_index; \ + uv_buf_t* bufs; \ + unsigned int nbufs; \ + int error; \ + uv_buf_t bufsml[4]; \ + +#define UV_CONNECT_PRIVATE_FIELDS \ + void* queue[2]; \ + +#define UV_SHUTDOWN_PRIVATE_FIELDS /* empty */ + +#define UV_UDP_SEND_PRIVATE_FIELDS \ + void* queue[2]; \ + struct sockaddr_in6 addr; \ + unsigned int nbufs; \ + uv_buf_t* bufs; \ + ssize_t status; \ + uv_udp_send_cb send_cb; \ + uv_buf_t bufsml[4]; \ + +#define UV_HANDLE_PRIVATE_FIELDS \ + int flags; \ + uv_handle_t* next_closing; \ + +#define UV_STREAM_PRIVATE_FIELDS \ + uv_connect_t *connect_req; \ + uv_shutdown_t *shutdown_req; \ + uv__io_t io_watcher; \ + void* write_queue[2]; \ + void* write_completed_queue[2]; \ + uv_connection_cb connection_cb; \ + int delayed_error; \ + int accepted_fd; \ + UV_STREAM_PRIVATE_PLATFORM_FIELDS \ + +#define UV_TCP_PRIVATE_FIELDS /* empty */ + +#define UV_UDP_PRIVATE_FIELDS \ + uv_alloc_cb alloc_cb; \ + uv_udp_recv_cb recv_cb; \ + uv__io_t io_watcher; \ + void* write_queue[2]; \ + void* write_completed_queue[2]; \ + +#define UV_PIPE_PRIVATE_FIELDS \ + const char* pipe_fname; /* strdup'ed */ + +#define UV_POLL_PRIVATE_FIELDS \ + uv__io_t io_watcher; + +#define UV_PREPARE_PRIVATE_FIELDS \ + uv_prepare_cb prepare_cb; \ + void* queue[2]; \ + +#define UV_CHECK_PRIVATE_FIELDS \ + uv_check_cb check_cb; \ + void* queue[2]; \ + +#define UV_IDLE_PRIVATE_FIELDS \ + uv_idle_cb idle_cb; \ + void* queue[2]; \ + +#define UV_ASYNC_PRIVATE_FIELDS \ + uv_async_cb async_cb; \ + void* queue[2]; \ + int pending; \ + +#define UV_TIMER_PRIVATE_FIELDS \ + /* RB_ENTRY(uv_timer_s) tree_entry; */ \ + struct { \ + struct uv_timer_s* rbe_left; \ + struct uv_timer_s* rbe_right; \ + struct uv_timer_s* rbe_parent; \ + int rbe_color; \ + } tree_entry; \ + uv_timer_cb timer_cb; \ + uint64_t timeout; \ + uint64_t repeat; \ + uint64_t start_id; + +#define UV_GETADDRINFO_PRIVATE_FIELDS \ + struct uv__work work_req; \ + uv_getaddrinfo_cb cb; \ + struct addrinfo* hints; \ + char* hostname; \ + char* service; \ + struct addrinfo* res; \ + int retcode; + +#define UV_PROCESS_PRIVATE_FIELDS \ + void* queue[2]; \ + int status; \ + +#define UV_FS_PRIVATE_FIELDS \ + const char *new_path; \ + uv_file file; \ + int flags; \ + mode_t mode; \ + void* buf; \ + size_t len; \ + off_t off; \ + uv_uid_t uid; \ + uv_gid_t gid; \ + double atime; \ + double mtime; \ + struct uv__work work_req; \ + +#define UV_WORK_PRIVATE_FIELDS \ + struct uv__work work_req; + +#define UV_TTY_PRIVATE_FIELDS \ + struct termios orig_termios; \ + int mode; + +#define UV_SIGNAL_PRIVATE_FIELDS \ + /* RB_ENTRY(uv_signal_s) tree_entry; */ \ + struct { \ + struct uv_signal_s* rbe_left; \ + struct uv_signal_s* rbe_right; \ + struct uv_signal_s* rbe_parent; \ + int rbe_color; \ + } tree_entry; \ + /* Use two counters here so we don have to fiddle with atomics. */ \ + unsigned int caught_signals; \ + unsigned int dispatched_signals; + +#define UV_FS_EVENT_PRIVATE_FIELDS \ + uv_fs_event_cb cb; \ + UV_PLATFORM_FS_EVENT_FIELDS \ + +#endif /* UV_UNIX_H */ diff --git a/third-party/libuv/include/uv-win.h b/third-party/libuv/include/uv-win.h new file mode 100644 index 0000000000..e4e1f839f0 --- /dev/null +++ b/third-party/libuv/include/uv-win.h @@ -0,0 +1,589 @@ +/* Copyright Joyent, Inc. and other Node contributors. All rights reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to + * deal in the Software without restriction, including without limitation the + * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + */ + +#ifndef _WIN32_WINNT +# define _WIN32_WINNT 0x0502 +#endif + +#if !defined(_SSIZE_T_) && !defined(_SSIZE_T_DEFINED) +typedef intptr_t ssize_t; +# define _SSIZE_T_ +# define _SSIZE_T_DEFINED +#endif + +#include <winsock2.h> +#include <mswsock.h> +#include <ws2tcpip.h> +#include <windows.h> + +#include <process.h> +#include <signal.h> +#include <sys/stat.h> + +#if defined(_MSC_VER) && _MSC_VER < 1600 +# include "stdint-msvc2008.h" +#else +# include <stdint.h> +#endif + +#include "tree.h" + +#define MAX_PIPENAME_LEN 256 + +#ifndef S_IFLNK +# define S_IFLNK 0xA000 +#endif + +/* Additional signals supported by uv_signal and or uv_kill. The CRT defines + * the following signals already: + * + * #define SIGINT 2 + * #define SIGILL 4 + * #define SIGABRT_COMPAT 6 + * #define SIGFPE 8 + * #define SIGSEGV 11 + * #define SIGTERM 15 + * #define SIGBREAK 21 + * #define SIGABRT 22 + * + * The additional signals have values that are common on other Unix + * variants (Linux and Darwin) + */ +#define SIGHUP 1 +#define SIGKILL 9 +#define SIGWINCH 28 + +/* The CRT defines SIGABRT_COMPAT as 6, which equals SIGABRT on many */ +/* unix-like platforms. However MinGW doesn't define it, so we do. */ +#ifndef SIGABRT_COMPAT +# define SIGABRT_COMPAT 6 +#endif + +/* + * Guids and typedefs for winsock extension functions + * Mingw32 doesn't have these :-( + */ +#ifndef WSAID_ACCEPTEX +# define WSAID_ACCEPTEX \ + {0xb5367df1, 0xcbac, 0x11cf, \ + {0x95, 0xca, 0x00, 0x80, 0x5f, 0x48, 0xa1, 0x92}} + +# define WSAID_CONNECTEX \ + {0x25a207b9, 0xddf3, 0x4660, \ + {0x8e, 0xe9, 0x76, 0xe5, 0x8c, 0x74, 0x06, 0x3e}} + +# define WSAID_GETACCEPTEXSOCKADDRS \ + {0xb5367df2, 0xcbac, 0x11cf, \ + {0x95, 0xca, 0x00, 0x80, 0x5f, 0x48, 0xa1, 0x92}} + +# define WSAID_DISCONNECTEX \ + {0x7fda2e11, 0x8630, 0x436f, \ + {0xa0, 0x31, 0xf5, 0x36, 0xa6, 0xee, 0xc1, 0x57}} + +# define WSAID_TRANSMITFILE \ + {0xb5367df0, 0xcbac, 0x11cf, \ + {0x95, 0xca, 0x00, 0x80, 0x5f, 0x48, 0xa1, 0x92}} + + typedef BOOL PASCAL (*LPFN_ACCEPTEX) + (SOCKET sListenSocket, + SOCKET sAcceptSocket, + PVOID lpOutputBuffer, + DWORD dwReceiveDataLength, + DWORD dwLocalAddressLength, + DWORD dwRemoteAddressLength, + LPDWORD lpdwBytesReceived, + LPOVERLAPPED lpOverlapped); + + typedef BOOL PASCAL (*LPFN_CONNECTEX) + (SOCKET s, + const struct sockaddr* name, + int namelen, + PVOID lpSendBuffer, + DWORD dwSendDataLength, + LPDWORD lpdwBytesSent, + LPOVERLAPPED lpOverlapped); + + typedef void PASCAL (*LPFN_GETACCEPTEXSOCKADDRS) + (PVOID lpOutputBuffer, + DWORD dwReceiveDataLength, + DWORD dwLocalAddressLength, + DWORD dwRemoteAddressLength, + LPSOCKADDR* LocalSockaddr, + LPINT LocalSockaddrLength, + LPSOCKADDR* RemoteSockaddr, + LPINT RemoteSockaddrLength); + + typedef BOOL PASCAL (*LPFN_DISCONNECTEX) + (SOCKET hSocket, + LPOVERLAPPED lpOverlapped, + DWORD dwFlags, + DWORD reserved); + + typedef BOOL PASCAL (*LPFN_TRANSMITFILE) + (SOCKET hSocket, + HANDLE hFile, + DWORD nNumberOfBytesToWrite, + DWORD nNumberOfBytesPerSend, + LPOVERLAPPED lpOverlapped, + LPTRANSMIT_FILE_BUFFERS lpTransmitBuffers, + DWORD dwFlags); + + typedef PVOID RTL_SRWLOCK; + typedef RTL_SRWLOCK SRWLOCK, *PSRWLOCK; +#endif + +typedef int (WSAAPI* LPFN_WSARECV) + (SOCKET socket, + LPWSABUF buffers, + DWORD buffer_count, + LPDWORD bytes, + LPDWORD flags, + LPWSAOVERLAPPED overlapped, + LPWSAOVERLAPPED_COMPLETION_ROUTINE completion_routine); + +typedef int (WSAAPI* LPFN_WSARECVFROM) + (SOCKET socket, + LPWSABUF buffers, + DWORD buffer_count, + LPDWORD bytes, + LPDWORD flags, + struct sockaddr* addr, + LPINT addr_len, + LPWSAOVERLAPPED overlapped, + LPWSAOVERLAPPED_COMPLETION_ROUTINE completion_routine); + +#ifndef _NTDEF_ + typedef LONG NTSTATUS; + typedef NTSTATUS *PNTSTATUS; +#endif + +#ifndef RTL_CONDITION_VARIABLE_INIT + typedef PVOID CONDITION_VARIABLE, *PCONDITION_VARIABLE; +#endif + +typedef struct _AFD_POLL_HANDLE_INFO { + HANDLE Handle; + ULONG Events; + NTSTATUS Status; +} AFD_POLL_HANDLE_INFO, *PAFD_POLL_HANDLE_INFO; + +typedef struct _AFD_POLL_INFO { + LARGE_INTEGER Timeout; + ULONG NumberOfHandles; + ULONG Exclusive; + AFD_POLL_HANDLE_INFO Handles[1]; +} AFD_POLL_INFO, *PAFD_POLL_INFO; + +#define UV_MSAFD_PROVIDER_COUNT 3 + + +/** + * It should be possible to cast uv_buf_t[] to WSABUF[] + * see http://msdn.microsoft.com/en-us/library/ms741542(v=vs.85).aspx + */ +typedef struct uv_buf_t { + ULONG len; + char* base; +} uv_buf_t; + +typedef int uv_file; + +typedef SOCKET uv_os_sock_t; + +typedef HANDLE uv_thread_t; + +typedef HANDLE uv_sem_t; + +typedef CRITICAL_SECTION uv_mutex_t; + +/* This condition variable implementation is based on the SetEvent solution + * (section 3.2) at http://www.cs.wustl.edu/~schmidt/win32-cv-1.html + * We could not use the SignalObjectAndWait solution (section 3.4) because + * it want the 2nd argument (type uv_mutex_t) of uv_cond_wait() and + * uv_cond_timedwait() to be HANDLEs, but we use CRITICAL_SECTIONs. + */ + +typedef union { + CONDITION_VARIABLE cond_var; + struct { + unsigned int waiters_count; + CRITICAL_SECTION waiters_count_lock; + HANDLE signal_event; + HANDLE broadcast_event; + } fallback; +} uv_cond_t; + +typedef union { + /* srwlock_ has type SRWLOCK, but not all toolchains define this type in */ + /* windows.h. */ + SRWLOCK srwlock_; + struct { + uv_mutex_t read_mutex_; + uv_mutex_t write_mutex_; + unsigned int num_readers_; + } fallback_; +} uv_rwlock_t; + +typedef struct { + unsigned int n; + unsigned int count; + uv_mutex_t mutex; + uv_sem_t turnstile1; + uv_sem_t turnstile2; +} uv_barrier_t; + +typedef struct { + DWORD tls_index; +} uv_key_t; + +#define UV_ONCE_INIT { 0, NULL } + +typedef struct uv_once_s { + unsigned char ran; + HANDLE event; +} uv_once_t; + +/* Platform-specific definitions for uv_spawn support. */ +typedef unsigned char uv_uid_t; +typedef unsigned char uv_gid_t; + +/* Platform-specific definitions for uv_dlopen support. */ +#define UV_DYNAMIC FAR WINAPI +typedef struct { + HMODULE handle; + char* errmsg; +} uv_lib_t; + +RB_HEAD(uv_timer_tree_s, uv_timer_s); + +#define UV_LOOP_PRIVATE_FIELDS \ + /* The loop's I/O completion port */ \ + HANDLE iocp; \ + /* The current time according to the event loop. in msecs. */ \ + uint64_t time; \ + /* GetTickCount() result when the event loop time was last updated. */ \ + DWORD last_tick_count; \ + /* Tail of a single-linked circular queue of pending reqs. If the queue */ \ + /* is empty, tail_ is NULL. If there is only one item, */ \ + /* tail_->next_req == tail_ */ \ + uv_req_t* pending_reqs_tail; \ + /* Head of a single-linked list of closed handles */ \ + uv_handle_t* endgame_handles; \ + /* The head of the timers tree */ \ + struct uv_timer_tree_s timers; \ + /* Lists of active loop (prepare / check / idle) watchers */ \ + uv_prepare_t* prepare_handles; \ + uv_check_t* check_handles; \ + uv_idle_t* idle_handles; \ + /* This pointer will refer to the prepare/check/idle handle whose */ \ + /* callback is scheduled to be called next. This is needed to allow */ \ + /* safe removal from one of the lists above while that list being */ \ + /* iterated over. */ \ + uv_prepare_t* next_prepare_handle; \ + uv_check_t* next_check_handle; \ + uv_idle_t* next_idle_handle; \ + /* This handle holds the peer sockets for the fast variant of uv_poll_t */ \ + SOCKET poll_peer_sockets[UV_MSAFD_PROVIDER_COUNT]; \ + /* Counter to keep track of active tcp streams */ \ + unsigned int active_tcp_streams; \ + /* Counter to keep track of active udp streams */ \ + unsigned int active_udp_streams; \ + /* Counter to started timer */ \ + uint64_t timer_counter; + +#define UV_REQ_TYPE_PRIVATE \ + /* TODO: remove the req suffix */ \ + UV_ACCEPT, \ + UV_FS_EVENT_REQ, \ + UV_POLL_REQ, \ + UV_PROCESS_EXIT, \ + UV_READ, \ + UV_UDP_RECV, \ + UV_WAKEUP, \ + UV_SIGNAL_REQ, + +#define UV_REQ_PRIVATE_FIELDS \ + union { \ + /* Used by I/O operations */ \ + struct { \ + OVERLAPPED overlapped; \ + size_t queued_bytes; \ + }; \ + }; \ + struct uv_req_s* next_req; + +#define UV_WRITE_PRIVATE_FIELDS \ + int ipc_header; \ + uv_buf_t write_buffer; \ + HANDLE event_handle; \ + HANDLE wait_handle; + +#define UV_CONNECT_PRIVATE_FIELDS \ + /* empty */ + +#define UV_SHUTDOWN_PRIVATE_FIELDS \ + /* empty */ + +#define UV_UDP_SEND_PRIVATE_FIELDS \ + /* empty */ + +#define UV_PRIVATE_REQ_TYPES \ + typedef struct uv_pipe_accept_s { \ + UV_REQ_FIELDS \ + HANDLE pipeHandle; \ + struct uv_pipe_accept_s* next_pending; \ + } uv_pipe_accept_t; \ + \ + typedef struct uv_tcp_accept_s { \ + UV_REQ_FIELDS \ + SOCKET accept_socket; \ + char accept_buffer[sizeof(struct sockaddr_storage) * 2 + 32]; \ + HANDLE event_handle; \ + HANDLE wait_handle; \ + struct uv_tcp_accept_s* next_pending; \ + } uv_tcp_accept_t; \ + \ + typedef struct uv_read_s { \ + UV_REQ_FIELDS \ + HANDLE event_handle; \ + HANDLE wait_handle; \ + } uv_read_t; + +#define uv_stream_connection_fields \ + unsigned int write_reqs_pending; \ + uv_shutdown_t* shutdown_req; + +#define uv_stream_server_fields \ + uv_connection_cb connection_cb; + +#define UV_STREAM_PRIVATE_FIELDS \ + unsigned int reqs_pending; \ + int activecnt; \ + uv_read_t read_req; \ + union { \ + struct { uv_stream_connection_fields }; \ + struct { uv_stream_server_fields }; \ + }; + +#define uv_tcp_server_fields \ + uv_tcp_accept_t* accept_reqs; \ + unsigned int processed_accepts; \ + uv_tcp_accept_t* pending_accepts; \ + LPFN_ACCEPTEX func_acceptex; + +#define uv_tcp_connection_fields \ + uv_buf_t read_buffer; \ + LPFN_CONNECTEX func_connectex; + +#define UV_TCP_PRIVATE_FIELDS \ + SOCKET socket; \ + int bind_error; \ + union { \ + struct { uv_tcp_server_fields }; \ + struct { uv_tcp_connection_fields }; \ + }; + +#define UV_UDP_PRIVATE_FIELDS \ + SOCKET socket; \ + unsigned int reqs_pending; \ + int activecnt; \ + uv_req_t recv_req; \ + uv_buf_t recv_buffer; \ + struct sockaddr_storage recv_from; \ + int recv_from_len; \ + uv_udp_recv_cb recv_cb; \ + uv_alloc_cb alloc_cb; \ + LPFN_WSARECV func_wsarecv; \ + LPFN_WSARECVFROM func_wsarecvfrom; + +#define uv_pipe_server_fields \ + int pending_instances; \ + uv_pipe_accept_t* accept_reqs; \ + uv_pipe_accept_t* pending_accepts; + +#define uv_pipe_connection_fields \ + uv_timer_t* eof_timer; \ + uv_write_t ipc_header_write_req; \ + int ipc_pid; \ + uint64_t remaining_ipc_rawdata_bytes; \ + unsigned char reserved[sizeof(void*)]; \ + struct { \ + WSAPROTOCOL_INFOW* socket_info; \ + int tcp_connection; \ + } pending_ipc_info; \ + uv_write_t* non_overlapped_writes_tail; + +#define UV_PIPE_PRIVATE_FIELDS \ + HANDLE handle; \ + WCHAR* name; \ + union { \ + struct { uv_pipe_server_fields }; \ + struct { uv_pipe_connection_fields }; \ + }; + +/* TODO: put the parser states in an union - TTY handles are always */ +/* half-duplex so read-state can safely overlap write-state. */ +#define UV_TTY_PRIVATE_FIELDS \ + HANDLE handle; \ + union { \ + struct { \ + /* Used for readable TTY handles */ \ + HANDLE read_line_handle; \ + uv_buf_t read_line_buffer; \ + HANDLE read_raw_wait; \ + /* Fields used for translating win keystrokes into vt100 characters */ \ + char last_key[8]; \ + unsigned char last_key_offset; \ + unsigned char last_key_len; \ + WCHAR last_utf16_high_surrogate; \ + INPUT_RECORD last_input_record; \ + }; \ + struct { \ + /* Used for writable TTY handles */ \ + /* utf8-to-utf16 conversion state */ \ + unsigned int utf8_codepoint; \ + unsigned char utf8_bytes_left; \ + /* eol conversion state */ \ + unsigned char previous_eol; \ + /* ansi parser state */ \ + unsigned char ansi_parser_state; \ + unsigned char ansi_csi_argc; \ + unsigned short ansi_csi_argv[4]; \ + COORD saved_position; \ + WORD saved_attributes; \ + }; \ + }; + +#define UV_POLL_PRIVATE_FIELDS \ + SOCKET socket; \ + /* Used in fast mode */ \ + SOCKET peer_socket; \ + AFD_POLL_INFO afd_poll_info_1; \ + AFD_POLL_INFO afd_poll_info_2; \ + /* Used in fast and slow mode. */ \ + uv_req_t poll_req_1; \ + uv_req_t poll_req_2; \ + unsigned char submitted_events_1; \ + unsigned char submitted_events_2; \ + unsigned char mask_events_1; \ + unsigned char mask_events_2; \ + unsigned char events; + +#define UV_TIMER_PRIVATE_FIELDS \ + RB_ENTRY(uv_timer_s) tree_entry; \ + uint64_t due; \ + uint64_t repeat; \ + uint64_t start_id; \ + uv_timer_cb timer_cb; + +#define UV_ASYNC_PRIVATE_FIELDS \ + struct uv_req_s async_req; \ + uv_async_cb async_cb; \ + /* char to avoid alignment issues */ \ + char volatile async_sent; + +#define UV_PREPARE_PRIVATE_FIELDS \ + uv_prepare_t* prepare_prev; \ + uv_prepare_t* prepare_next; \ + uv_prepare_cb prepare_cb; + +#define UV_CHECK_PRIVATE_FIELDS \ + uv_check_t* check_prev; \ + uv_check_t* check_next; \ + uv_check_cb check_cb; + +#define UV_IDLE_PRIVATE_FIELDS \ + uv_idle_t* idle_prev; \ + uv_idle_t* idle_next; \ + uv_idle_cb idle_cb; + +#define UV_HANDLE_PRIVATE_FIELDS \ + uv_handle_t* endgame_next; \ + unsigned int flags; + +#define UV_GETADDRINFO_PRIVATE_FIELDS \ + uv_getaddrinfo_cb getaddrinfo_cb; \ + void* alloc; \ + WCHAR* node; \ + WCHAR* service; \ + struct addrinfoW* hints; \ + struct addrinfoW* res; \ + int retcode; + +#define UV_PROCESS_PRIVATE_FIELDS \ + struct uv_process_exit_s { \ + UV_REQ_FIELDS \ + } exit_req; \ + BYTE* child_stdio_buffer; \ + int exit_signal; \ + HANDLE wait_handle; \ + HANDLE process_handle; \ + volatile char exit_cb_pending; + +#define UV_FS_PRIVATE_FIELDS \ + int flags; \ + DWORD sys_errno_; \ + union { \ + /* TODO: remove me in 0.9. */ \ + WCHAR* pathw; \ + int fd; \ + }; \ + union { \ + struct { \ + int mode; \ + WCHAR* new_pathw; \ + int file_flags; \ + int fd_out; \ + void* buf; \ + size_t length; \ + int64_t offset; \ + }; \ + struct { \ + double atime; \ + double mtime; \ + }; \ + }; + +#define UV_WORK_PRIVATE_FIELDS \ + +#define UV_FS_EVENT_PRIVATE_FIELDS \ + struct uv_fs_event_req_s { \ + UV_REQ_FIELDS \ + } req; \ + HANDLE dir_handle; \ + int req_pending; \ + uv_fs_event_cb cb; \ + WCHAR* filew; \ + WCHAR* short_filew; \ + WCHAR* dirw; \ + char* buffer; + +#define UV_SIGNAL_PRIVATE_FIELDS \ + RB_ENTRY(uv_signal_s) tree_entry; \ + struct uv_req_s signal_req; \ + unsigned long pending_signum; + +int uv_utf16_to_utf8(const WCHAR* utf16Buffer, size_t utf16Size, + char* utf8Buffer, size_t utf8Size); +int uv_utf8_to_utf16(const char* utf8Buffer, WCHAR* utf16Buffer, + size_t utf16Size); + +#define UV_PLATFORM_HAS_IP6_LINK_LOCAL_ADDRESS diff --git a/third-party/libuv/include/uv.h b/third-party/libuv/include/uv.h new file mode 100644 index 0000000000..4eeade74c4 --- /dev/null +++ b/third-party/libuv/include/uv.h @@ -0,0 +1,2135 @@ +/* Copyright Joyent, Inc. and other Node contributors. All rights reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to + * deal in the Software without restriction, including without limitation the + * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + */ + +/* See http://nikhilm.github.com/uvbook/ for an introduction. */ + +#ifndef UV_H +#define UV_H +#ifdef __cplusplus +extern "C" { +#endif + +#ifdef _WIN32 + /* Windows - set up dll import/export decorators. */ +# if defined(BUILDING_UV_SHARED) + /* Building shared library. */ +# define UV_EXTERN __declspec(dllexport) +# elif defined(USING_UV_SHARED) + /* Using shared library. */ +# define UV_EXTERN __declspec(dllimport) +# else + /* Building static library. */ +# define UV_EXTERN /* nothing */ +# endif +#elif __GNUC__ >= 4 +# define UV_EXTERN __attribute__((visibility("default"))) +#else +# define UV_EXTERN /* nothing */ +#endif + +#include "uv-errno.h" +#include <stddef.h> + +#if defined(_MSC_VER) && _MSC_VER < 1600 +# include "stdint-msvc2008.h" +#else +# include <stdint.h> +#endif + +#if defined(_WIN32) +# include "uv-win.h" +#else +# include "uv-unix.h" +#endif + +/* Expand this list if necessary. */ +#define UV_ERRNO_MAP(XX) \ + XX(E2BIG, "argument list too long") \ + XX(EACCES, "permission denied") \ + XX(EADDRINUSE, "address already in use") \ + XX(EADDRNOTAVAIL, "address not available") \ + XX(EAFNOSUPPORT, "address family not supported") \ + XX(EAGAIN, "resource temporarily unavailable") \ + XX(EAI_ADDRFAMILY, "address family not supported") \ + XX(EAI_AGAIN, "temporary failure") \ + XX(EAI_BADFLAGS, "bad ai_flags value") \ + XX(EAI_BADHINTS, "invalid value for hints") \ + XX(EAI_CANCELED, "request canceled") \ + XX(EAI_FAIL, "permanent failure") \ + XX(EAI_FAMILY, "ai_family not supported") \ + XX(EAI_MEMORY, "out of memory") \ + XX(EAI_NODATA, "no address") \ + XX(EAI_NONAME, "unknown node or service") \ + XX(EAI_OVERFLOW, "argument buffer overflow") \ + XX(EAI_PROTOCOL, "resolved protocol is unknown") \ + XX(EAI_SERVICE, "service not available for socket type") \ + XX(EAI_SOCKTYPE, "socket type not supported") \ + XX(EAI_SYSTEM, "system error") \ + XX(EALREADY, "connection already in progress") \ + XX(EBADF, "bad file descriptor") \ + XX(EBUSY, "resource busy or locked") \ + XX(ECANCELED, "operation canceled") \ + XX(ECHARSET, "invalid Unicode character") \ + XX(ECONNABORTED, "software caused connection abort") \ + XX(ECONNREFUSED, "connection refused") \ + XX(ECONNRESET, "connection reset by peer") \ + XX(EDESTADDRREQ, "destination address required") \ + XX(EEXIST, "file already exists") \ + XX(EFAULT, "bad address in system call argument") \ + XX(EHOSTUNREACH, "host is unreachable") \ + XX(EINTR, "interrupted system call") \ + XX(EINVAL, "invalid argument") \ + XX(EIO, "i/o error") \ + XX(EISCONN, "socket is already connected") \ + XX(EISDIR, "illegal operation on a directory") \ + XX(ELOOP, "too many symbolic links encountered") \ + XX(EMFILE, "too many open files") \ + XX(EMSGSIZE, "message too long") \ + XX(ENAMETOOLONG, "name too long") \ + XX(ENETDOWN, "network is down") \ + XX(ENETUNREACH, "network is unreachable") \ + XX(ENFILE, "file table overflow") \ + XX(ENOBUFS, "no buffer space available") \ + XX(ENODEV, "no such device") \ + XX(ENOENT, "no such file or directory") \ + XX(ENOMEM, "not enough memory") \ + XX(ENONET, "machine is not on the network") \ + XX(ENOSPC, "no space left on device") \ + XX(ENOSYS, "function not implemented") \ + XX(ENOTCONN, "socket is not connected") \ + XX(ENOTDIR, "not a directory") \ + XX(ENOTEMPTY, "directory not empty") \ + XX(ENOTSOCK, "socket operation on non-socket") \ + XX(ENOTSUP, "operation not supported on socket") \ + XX(EPERM, "operation not permitted") \ + XX(EPIPE, "broken pipe") \ + XX(EPROTO, "protocol error") \ + XX(EPROTONOSUPPORT, "protocol not supported") \ + XX(EPROTOTYPE, "protocol wrong type for socket") \ + XX(EROFS, "read-only file system") \ + XX(ESHUTDOWN, "cannot send after transport endpoint shutdown") \ + XX(ESPIPE, "invalid seek") \ + XX(ESRCH, "no such process") \ + XX(ETIMEDOUT, "connection timed out") \ + XX(EXDEV, "cross-device link not permitted") \ + XX(UNKNOWN, "unknown error") \ + XX(EOF, "end of file") \ + +#define UV_HANDLE_TYPE_MAP(XX) \ + XX(ASYNC, async) \ + XX(CHECK, check) \ + XX(FS_EVENT, fs_event) \ + XX(FS_POLL, fs_poll) \ + XX(HANDLE, handle) \ + XX(IDLE, idle) \ + XX(NAMED_PIPE, pipe) \ + XX(POLL, poll) \ + XX(PREPARE, prepare) \ + XX(PROCESS, process) \ + XX(STREAM, stream) \ + XX(TCP, tcp) \ + XX(TIMER, timer) \ + XX(TTY, tty) \ + XX(UDP, udp) \ + XX(SIGNAL, signal) \ + +#define UV_REQ_TYPE_MAP(XX) \ + XX(REQ, req) \ + XX(CONNECT, connect) \ + XX(WRITE, write) \ + XX(SHUTDOWN, shutdown) \ + XX(UDP_SEND, udp_send) \ + XX(FS, fs) \ + XX(WORK, work) \ + XX(GETADDRINFO, getaddrinfo) \ + +typedef enum { +#define XX(code, _) UV_ ## code = UV__ ## code, + UV_ERRNO_MAP(XX) +#undef XX + UV_ERRNO_MAX = UV__EOF - 1 +} uv_errno_t; + +typedef enum { + UV_UNKNOWN_HANDLE = 0, +#define XX(uc, lc) UV_##uc, + UV_HANDLE_TYPE_MAP(XX) +#undef XX + UV_FILE, + UV_HANDLE_TYPE_MAX +} uv_handle_type; + +typedef enum { + UV_UNKNOWN_REQ = 0, +#define XX(uc, lc) UV_##uc, + UV_REQ_TYPE_MAP(XX) +#undef XX + UV_REQ_TYPE_PRIVATE + UV_REQ_TYPE_MAX +} uv_req_type; + + +/* Handle types. */ +typedef struct uv_loop_s uv_loop_t; +typedef struct uv_handle_s uv_handle_t; +typedef struct uv_stream_s uv_stream_t; +typedef struct uv_tcp_s uv_tcp_t; +typedef struct uv_udp_s uv_udp_t; +typedef struct uv_pipe_s uv_pipe_t; +typedef struct uv_tty_s uv_tty_t; +typedef struct uv_poll_s uv_poll_t; +typedef struct uv_timer_s uv_timer_t; +typedef struct uv_prepare_s uv_prepare_t; +typedef struct uv_check_s uv_check_t; +typedef struct uv_idle_s uv_idle_t; +typedef struct uv_async_s uv_async_t; +typedef struct uv_process_s uv_process_t; +typedef struct uv_fs_event_s uv_fs_event_t; +typedef struct uv_fs_poll_s uv_fs_poll_t; +typedef struct uv_signal_s uv_signal_t; + +/* Request types. */ +typedef struct uv_req_s uv_req_t; +typedef struct uv_getaddrinfo_s uv_getaddrinfo_t; +typedef struct uv_shutdown_s uv_shutdown_t; +typedef struct uv_write_s uv_write_t; +typedef struct uv_connect_s uv_connect_t; +typedef struct uv_udp_send_s uv_udp_send_t; +typedef struct uv_fs_s uv_fs_t; +typedef struct uv_work_s uv_work_t; + +/* None of the above. */ +typedef struct uv_cpu_info_s uv_cpu_info_t; +typedef struct uv_interface_address_s uv_interface_address_t; + + +typedef enum { + UV_RUN_DEFAULT = 0, + UV_RUN_ONCE, + UV_RUN_NOWAIT +} uv_run_mode; + + +/* + * Returns the libuv version packed into a single integer. 8 bits are used for + * each component, with the patch number stored in the 8 least significant + * bits. E.g. for libuv 1.2.3 this would return 0x010203. + */ +UV_EXTERN unsigned int uv_version(void); + +/* + * Returns the libuv version number as a string. For non-release versions + * "-pre" is appended, so the version number could be "1.2.3-pre". + */ +UV_EXTERN const char* uv_version_string(void); + + +/* + * This function must be called before any other functions in libuv. + * + * All functions besides uv_run() are non-blocking. + * + * All callbacks in libuv are made asynchronously. That is they are never + * made by the function that takes them as a parameter. + */ +UV_EXTERN uv_loop_t* uv_loop_new(void); +UV_EXTERN void uv_loop_delete(uv_loop_t*); + +/* + * Returns the default loop. + */ +UV_EXTERN uv_loop_t* uv_default_loop(void); + +/* + * This function runs the event loop. It will act differently depending on the + * specified mode: + * - UV_RUN_DEFAULT: Runs the event loop until the reference count drops to + * zero. Always returns zero. + * - UV_RUN_ONCE: Poll for new events once. Note that this function blocks if + * there are no pending events. Returns zero when done (no active handles + * or requests left), or non-zero if more events are expected (meaning you + * should run the event loop again sometime in the future). + * - UV_RUN_NOWAIT: Poll for new events once but don't block if there are no + * pending events. + */ +UV_EXTERN int uv_run(uv_loop_t*, uv_run_mode mode); + +/* + * This function checks whether the reference count, the number of active + * handles or requests left in the event loop, is non-zero. + */ +UV_EXTERN int uv_loop_alive(const uv_loop_t* loop); + +/* + * This function will stop the event loop by forcing uv_run to end + * as soon as possible, but not sooner than the next loop iteration. + * If this function was called before blocking for i/o, the loop won't + * block for i/o on this iteration. + */ +UV_EXTERN void uv_stop(uv_loop_t*); + +/* + * Manually modify the event loop's reference count. Useful if the user wants + * to have a handle or timeout that doesn't keep the loop alive. + */ +UV_EXTERN void uv_ref(uv_handle_t*); +UV_EXTERN void uv_unref(uv_handle_t*); +UV_EXTERN int uv_has_ref(const uv_handle_t*); + +/* + * Update the event loop's concept of "now". Libuv caches the current time + * at the start of the event loop tick in order to reduce the number of + * time-related system calls. + * + * You won't normally need to call this function unless you have callbacks + * that block the event loop for longer periods of time, where "longer" is + * somewhat subjective but probably on the order of a millisecond or more. + */ +UV_EXTERN void uv_update_time(uv_loop_t*); + +/* + * Return the current timestamp in milliseconds. The timestamp is cached at + * the start of the event loop tick, see |uv_update_time()| for details and + * rationale. + * + * The timestamp increases monotonically from some arbitrary point in time. + * Don't make assumptions about the starting point, you will only get + * disappointed. + * + * Use uv_hrtime() if you need sub-millisecond granularity. + */ +UV_EXTERN uint64_t uv_now(uv_loop_t*); + +/* + * Get backend file descriptor. Only kqueue, epoll and event ports are + * supported. + * + * This can be used in conjunction with `uv_run(loop, UV_RUN_NOWAIT)` to + * poll in one thread and run the event loop's event callbacks in another. + * + * Useful for embedding libuv's event loop in another event loop. + * See test/test-embed.c for an example. + * + * Note that embedding a kqueue fd in another kqueue pollset doesn't work on + * all platforms. It's not an error to add the fd but it never generates + * events. + */ +UV_EXTERN int uv_backend_fd(const uv_loop_t*); + +/* + * Get the poll timeout. The return value is in milliseconds, or -1 for no + * timeout. + */ +UV_EXTERN int uv_backend_timeout(const uv_loop_t*); + + +/* + * Should prepare a buffer that libuv can use to read data into. + * + * `suggested_size` is a hint. Returning a buffer that is smaller is perfectly + * okay as long as `buf.len > 0`. + * + * If you return a buffer with `buf.len == 0`, libuv skips the read and calls + * your read or recv callback with nread=UV_ENOBUFS. + * + * Note that returning a zero-length buffer does not stop the handle, call + * uv_read_stop() or uv_udp_recv_stop() for that. + */ +typedef void (*uv_alloc_cb)(uv_handle_t* handle, + size_t suggested_size, + uv_buf_t* buf); + +/* + * `nread` is > 0 if there is data available, 0 if libuv is done reading for + * now, or < 0 on error. + * + * The callee is responsible for closing the stream when an error happens. + * Trying to read from the stream again is undefined. + * + * The callee is responsible for freeing the buffer, libuv does not reuse it. + * The buffer may be a null buffer (where buf->base=NULL and buf->len=0) on + * EOF or error. + */ +typedef void (*uv_read_cb)(uv_stream_t* stream, + ssize_t nread, + const uv_buf_t* buf); + +/* + * Just like the uv_read_cb except that if the pending parameter is true + * then you can use uv_accept() to pull the new handle into the process. + * If no handle is pending then pending will be UV_UNKNOWN_HANDLE. + */ +typedef void (*uv_read2_cb)(uv_pipe_t* pipe, + ssize_t nread, + const uv_buf_t* buf, + uv_handle_type pending); + +typedef void (*uv_write_cb)(uv_write_t* req, int status); +typedef void (*uv_connect_cb)(uv_connect_t* req, int status); +typedef void (*uv_shutdown_cb)(uv_shutdown_t* req, int status); +typedef void (*uv_connection_cb)(uv_stream_t* server, int status); +typedef void (*uv_close_cb)(uv_handle_t* handle); +typedef void (*uv_poll_cb)(uv_poll_t* handle, int status, int events); +typedef void (*uv_timer_cb)(uv_timer_t* handle, int status); +/* TODO: do these really need a status argument? */ +typedef void (*uv_async_cb)(uv_async_t* handle, int status); +typedef void (*uv_prepare_cb)(uv_prepare_t* handle, int status); +typedef void (*uv_check_cb)(uv_check_t* handle, int status); +typedef void (*uv_idle_cb)(uv_idle_t* handle, int status); +typedef void (*uv_exit_cb)(uv_process_t*, int64_t exit_status, int term_signal); +typedef void (*uv_walk_cb)(uv_handle_t* handle, void* arg); +typedef void (*uv_fs_cb)(uv_fs_t* req); +typedef void (*uv_work_cb)(uv_work_t* req); +typedef void (*uv_after_work_cb)(uv_work_t* req, int status); +typedef void (*uv_getaddrinfo_cb)(uv_getaddrinfo_t* req, + int status, + struct addrinfo* res); + +typedef struct { + long tv_sec; + long tv_nsec; +} uv_timespec_t; + + +typedef struct { + uint64_t st_dev; + uint64_t st_mode; + uint64_t st_nlink; + uint64_t st_uid; + uint64_t st_gid; + uint64_t st_rdev; + uint64_t st_ino; + uint64_t st_size; + uint64_t st_blksize; + uint64_t st_blocks; + uint64_t st_flags; + uint64_t st_gen; + uv_timespec_t st_atim; + uv_timespec_t st_mtim; + uv_timespec_t st_ctim; + uv_timespec_t st_birthtim; +} uv_stat_t; + + +/* +* This will be called repeatedly after the uv_fs_event_t is initialized. +* If uv_fs_event_t was initialized with a directory the filename parameter +* will be a relative path to a file contained in the directory. +* The events parameter is an ORed mask of enum uv_fs_event elements. +*/ +typedef void (*uv_fs_event_cb)(uv_fs_event_t* handle, const char* filename, + int events, int status); + +typedef void (*uv_fs_poll_cb)(uv_fs_poll_t* handle, + int status, + const uv_stat_t* prev, + const uv_stat_t* curr); + +typedef void (*uv_signal_cb)(uv_signal_t* handle, int signum); + + +typedef enum { + UV_LEAVE_GROUP = 0, + UV_JOIN_GROUP +} uv_membership; + + +/* + * Most functions return 0 on success or an error code < 0 on failure. + */ +UV_EXTERN const char* uv_strerror(int err); +UV_EXTERN const char* uv_err_name(int err); + + +#define UV_REQ_FIELDS \ + /* public */ \ + void* data; \ + /* read-only */ \ + uv_req_type type; \ + /* private */ \ + void* active_queue[2]; \ + UV_REQ_PRIVATE_FIELDS \ + +/* Abstract base class of all requests. */ +struct uv_req_s { + UV_REQ_FIELDS +}; + + +/* Platform-specific request types */ +UV_PRIVATE_REQ_TYPES + + +/* + * uv_shutdown_t is a subclass of uv_req_t + * + * Shutdown the outgoing (write) side of a duplex stream. It waits for + * pending write requests to complete. The handle should refer to a + * initialized stream. req should be an uninitialized shutdown request + * struct. The cb is called after shutdown is complete. + */ +UV_EXTERN int uv_shutdown(uv_shutdown_t* req, uv_stream_t* handle, + uv_shutdown_cb cb); + +struct uv_shutdown_s { + UV_REQ_FIELDS + uv_stream_t* handle; + uv_shutdown_cb cb; + UV_SHUTDOWN_PRIVATE_FIELDS +}; + + +#define UV_HANDLE_FIELDS \ + /* public */ \ + uv_close_cb close_cb; \ + void* data; \ + /* read-only */ \ + uv_loop_t* loop; \ + uv_handle_type type; \ + /* private */ \ + void* handle_queue[2]; \ + UV_HANDLE_PRIVATE_FIELDS \ + +/* The abstract base class of all handles. */ +struct uv_handle_s { + UV_HANDLE_FIELDS +}; + +/* + * Returns size of various handle types, useful for FFI + * bindings to allocate correct memory without copying struct + * definitions + */ +UV_EXTERN size_t uv_handle_size(uv_handle_type type); + +/* + * Returns size of request types, useful for dynamic lookup with FFI + */ +UV_EXTERN size_t uv_req_size(uv_req_type type); + +/* + * Returns non-zero if the handle is active, zero if it's inactive. + * + * What "active" means depends on the type of handle: + * + * - A uv_async_t handle is always active and cannot be deactivated, except + * by closing it with uv_close(). + * + * - A uv_pipe_t, uv_tcp_t, uv_udp_t, etc. handle - basically any handle that + * deals with I/O - is active when it is doing something that involves I/O, + * like reading, writing, connecting, accepting new connections, etc. + * + * - A uv_check_t, uv_idle_t, uv_timer_t, etc. handle is active when it has + * been started with a call to uv_check_start(), uv_idle_start(), etc. + * + * Rule of thumb: if a handle of type uv_foo_t has a uv_foo_start() + * function, then it's active from the moment that function is called. + * Likewise, uv_foo_stop() deactivates the handle again. + * + */ +UV_EXTERN int uv_is_active(const uv_handle_t* handle); + +/* + * Walk the list of open handles. + */ +UV_EXTERN void uv_walk(uv_loop_t* loop, uv_walk_cb walk_cb, void* arg); + + +/* + * Request handle to be closed. close_cb will be called asynchronously after + * this call. This MUST be called on each handle before memory is released. + * + * Note that handles that wrap file descriptors are closed immediately but + * close_cb will still be deferred to the next iteration of the event loop. + * It gives you a chance to free up any resources associated with the handle. + * + * In-progress requests, like uv_connect_t or uv_write_t, are cancelled and + * have their callbacks called asynchronously with status=UV_ECANCELED. + */ +UV_EXTERN void uv_close(uv_handle_t* handle, uv_close_cb close_cb); + + +/* + * Constructor for uv_buf_t. + * Due to platform differences the user cannot rely on the ordering of the + * base and len members of the uv_buf_t struct. The user is responsible for + * freeing base after the uv_buf_t is done. Return struct passed by value. + */ +UV_EXTERN uv_buf_t uv_buf_init(char* base, unsigned int len); + + +#define UV_STREAM_FIELDS \ + /* number of bytes queued for writing */ \ + size_t write_queue_size; \ + uv_alloc_cb alloc_cb; \ + uv_read_cb read_cb; \ + uv_read2_cb read2_cb; \ + /* private */ \ + UV_STREAM_PRIVATE_FIELDS + +/* + * uv_stream_t is a subclass of uv_handle_t + * + * uv_stream is an abstract class. + * + * uv_stream_t is the parent class of uv_tcp_t, uv_pipe_t, uv_tty_t, and + * soon uv_file_t. + */ +struct uv_stream_s { + UV_HANDLE_FIELDS + UV_STREAM_FIELDS +}; + +UV_EXTERN int uv_listen(uv_stream_t* stream, int backlog, uv_connection_cb cb); + +/* + * This call is used in conjunction with uv_listen() to accept incoming + * connections. Call uv_accept after receiving a uv_connection_cb to accept + * the connection. Before calling uv_accept use uv_*_init() must be + * called on the client. Non-zero return value indicates an error. + * + * When the uv_connection_cb is called it is guaranteed that uv_accept will + * complete successfully the first time. If you attempt to use it more than + * once, it may fail. It is suggested to only call uv_accept once per + * uv_connection_cb call. + */ +UV_EXTERN int uv_accept(uv_stream_t* server, uv_stream_t* client); + +/* + * Read data from an incoming stream. The callback will be made several + * times until there is no more data to read or uv_read_stop is called. + * When we've reached EOF nread will be set to UV_EOF. + * + * When nread < 0, the buf parameter might not point to a valid buffer; + * in that case buf.len and buf.base are both set to 0. + * + * Note that nread might also be 0, which does *not* indicate an error or + * eof; it happens when libuv requested a buffer through the alloc callback + * but then decided that it didn't need that buffer. + */ +UV_EXTERN int uv_read_start(uv_stream_t*, uv_alloc_cb alloc_cb, + uv_read_cb read_cb); + +UV_EXTERN int uv_read_stop(uv_stream_t*); + +/* + * Extended read methods for receiving handles over a pipe. The pipe must be + * initialized with ipc == 1. + */ +UV_EXTERN int uv_read2_start(uv_stream_t*, uv_alloc_cb alloc_cb, + uv_read2_cb read_cb); + + +/* + * Write data to stream. Buffers are written in order. Example: + * + * uv_buf_t a[] = { + * { .base = "1", .len = 1 }, + * { .base = "2", .len = 1 } + * }; + * + * uv_buf_t b[] = { + * { .base = "3", .len = 1 }, + * { .base = "4", .len = 1 } + * }; + * + * uv_write_t req1; + * uv_write_t req2; + * + * // writes "1234" + * uv_write(&req1, stream, a, 2); + * uv_write(&req2, stream, b, 2); + * + */ +UV_EXTERN int uv_write(uv_write_t* req, + uv_stream_t* handle, + const uv_buf_t bufs[], + unsigned int nbufs, + uv_write_cb cb); + +/* + * Extended write function for sending handles over a pipe. The pipe must be + * initialized with ipc == 1. + * send_handle must be a TCP socket or pipe, which is a server or a connection + * (listening or connected state). Bound sockets or pipes will be assumed to + * be servers. + */ +UV_EXTERN int uv_write2(uv_write_t* req, + uv_stream_t* handle, + const uv_buf_t bufs[], + unsigned int nbufs, + uv_stream_t* send_handle, + uv_write_cb cb); + +/* + * Same as `uv_write()`, but won't queue write request if it can't be completed + * immediately. + * Will return either: + * - positive number of bytes written + * - zero - if queued write is needed + * - negative error code + */ +UV_EXTERN int uv_try_write(uv_stream_t* handle, + const uv_buf_t bufs[], + unsigned int nbufs); + +/* uv_write_t is a subclass of uv_req_t */ +struct uv_write_s { + UV_REQ_FIELDS + uv_write_cb cb; + uv_stream_t* send_handle; + uv_stream_t* handle; + UV_WRITE_PRIVATE_FIELDS +}; + + +/* + * Used to determine whether a stream is readable or writable. + */ +UV_EXTERN int uv_is_readable(const uv_stream_t* handle); +UV_EXTERN int uv_is_writable(const uv_stream_t* handle); + + +/* + * Enable or disable blocking mode for a stream. + * + * When blocking mode is enabled all writes complete synchronously. The + * interface remains unchanged otherwise, e.g. completion or failure of the + * operation will still be reported through a callback which is made + * asychronously. + * + * Relying too much on this API is not recommended. It is likely to change + * significantly in the future. + * + * On windows this currently works only for uv_pipe_t instances. On unix it + * works for tcp, pipe and tty instances. Be aware that changing the blocking + * mode on unix sets or clears the O_NONBLOCK bit. If you are sharing a handle + * with another process, the other process is affected by the change too, + * which can lead to unexpected results. + * + * Also libuv currently makes no ordering guarantee when the blocking mode + * is changed after write requests have already been submitted. Therefore it is + * recommended to set the blocking mode immediately after opening or creating + * the stream. + */ +UV_EXTERN int uv_stream_set_blocking(uv_stream_t* handle, int blocking); + + +/* + * Used to determine whether a stream is closing or closed. + * + * N.B. is only valid between the initialization of the handle + * and the arrival of the close callback, and cannot be used + * to validate the handle. + */ +UV_EXTERN int uv_is_closing(const uv_handle_t* handle); + + +/* + * uv_tcp_t is a subclass of uv_stream_t + * + * Represents a TCP stream or TCP server. + */ +struct uv_tcp_s { + UV_HANDLE_FIELDS + UV_STREAM_FIELDS + UV_TCP_PRIVATE_FIELDS +}; + +UV_EXTERN int uv_tcp_init(uv_loop_t*, uv_tcp_t* handle); + +/* + * Opens an existing file descriptor or SOCKET as a tcp handle. + */ +UV_EXTERN int uv_tcp_open(uv_tcp_t* handle, uv_os_sock_t sock); + +/* Enable/disable Nagle's algorithm. */ +UV_EXTERN int uv_tcp_nodelay(uv_tcp_t* handle, int enable); + +/* + * Enable/disable TCP keep-alive. + * + * `delay` is the initial delay in seconds, ignored when `enable` is zero. + */ +UV_EXTERN int uv_tcp_keepalive(uv_tcp_t* handle, + int enable, + unsigned int delay); + +/* + * Enable/disable simultaneous asynchronous accept requests that are + * queued by the operating system when listening for new tcp connections. + * This setting is used to tune a tcp server for the desired performance. + * Having simultaneous accepts can significantly improve the rate of + * accepting connections (which is why it is enabled by default) but + * may lead to uneven load distribution in multi-process setups. + */ +UV_EXTERN int uv_tcp_simultaneous_accepts(uv_tcp_t* handle, int enable); + +enum uv_tcp_flags { + /* Used with uv_tcp_bind, when an IPv6 address is used */ + UV_TCP_IPV6ONLY = 1 +}; + +/* + * Bind the handle to an address and port. `addr` should point to an + * initialized struct sockaddr_in or struct sockaddr_in6. + * + * When the port is already taken, you can expect to see an UV_EADDRINUSE + * error from either uv_tcp_bind(), uv_listen() or uv_tcp_connect(). + * + * That is, a successful call to uv_tcp_bind() does not guarantee that + * the call to uv_listen() or uv_tcp_connect() will succeed as well. + */ +UV_EXTERN int uv_tcp_bind(uv_tcp_t* handle, + const struct sockaddr* addr, + unsigned int flags); +UV_EXTERN int uv_tcp_getsockname(uv_tcp_t* handle, struct sockaddr* name, + int* namelen); +UV_EXTERN int uv_tcp_getpeername(uv_tcp_t* handle, struct sockaddr* name, + int* namelen); + +/* + * Establish an IPv4 or IPv6 TCP connection. Provide an initialized TCP handle + * and an uninitialized uv_connect_t*. `addr` should point to an initialized + * struct sockaddr_in or struct sockaddr_in6. + * + * The callback is made when the connection has been established or when a + * connection error happened. + */ +UV_EXTERN int uv_tcp_connect(uv_connect_t* req, + uv_tcp_t* handle, + const struct sockaddr* addr, + uv_connect_cb cb); + +/* uv_connect_t is a subclass of uv_req_t */ +struct uv_connect_s { + UV_REQ_FIELDS + uv_connect_cb cb; + uv_stream_t* handle; + UV_CONNECT_PRIVATE_FIELDS +}; + + +/* + * UDP support. + */ + +enum uv_udp_flags { + /* Disables dual stack mode. */ + UV_UDP_IPV6ONLY = 1, + /* + * Indicates message was truncated because read buffer was too small. The + * remainder was discarded by the OS. Used in uv_udp_recv_cb. + */ + UV_UDP_PARTIAL = 2 +}; + +/* + * Called after a uv_udp_send() or uv_udp_send6(). status 0 indicates + * success otherwise error. + */ +typedef void (*uv_udp_send_cb)(uv_udp_send_t* req, int status); + +/* + * Callback that is invoked when a new UDP datagram is received. + * + * handle UDP handle. + * nread Number of bytes that have been received. + * 0 if there is no more data to read. You may + * discard or repurpose the read buffer. + * < 0 if a transmission error was detected. + * buf uv_buf_t with the received data. + * addr struct sockaddr_in or struct sockaddr_in6. + * Valid for the duration of the callback only. + * flags One or more OR'ed UV_UDP_* constants. + * Right now only UV_UDP_PARTIAL is used. + */ +typedef void (*uv_udp_recv_cb)(uv_udp_t* handle, + ssize_t nread, + const uv_buf_t* buf, + const struct sockaddr* addr, + unsigned flags); + +/* uv_udp_t is a subclass of uv_handle_t */ +struct uv_udp_s { + UV_HANDLE_FIELDS + UV_UDP_PRIVATE_FIELDS +}; + +/* uv_udp_send_t is a subclass of uv_req_t */ +struct uv_udp_send_s { + UV_REQ_FIELDS + uv_udp_t* handle; + uv_udp_send_cb cb; + UV_UDP_SEND_PRIVATE_FIELDS +}; + +/* + * Initialize a new UDP handle. The actual socket is created lazily. + * Returns 0 on success. + */ +UV_EXTERN int uv_udp_init(uv_loop_t*, uv_udp_t* handle); + +/* + * Opens an existing file descriptor or SOCKET as a udp handle. + * + * Unix only: + * The only requirement of the sock argument is that it follows the + * datagram contract (works in unconnected mode, supports sendmsg()/recvmsg(), + * etc.). In other words, other datagram-type sockets like raw sockets or + * netlink sockets can also be passed to this function. + * + * This sets the SO_REUSEPORT socket flag on the BSDs and OS X. On other + * UNIX platforms, it sets the SO_REUSEADDR flag. What that means is that + * multiple threads or processes can bind to the same address without error + * (provided they all set the flag) but only the last one to bind will receive + * any traffic, in effect "stealing" the port from the previous listener. + * This behavior is something of an anomaly and may be replaced by an explicit + * opt-in mechanism in future versions of libuv. + */ +UV_EXTERN int uv_udp_open(uv_udp_t* handle, uv_os_sock_t sock); + +/* + * Bind to a IPv4 address and port. + * + * Arguments: + * handle UDP handle. Should have been initialized with `uv_udp_init`. + * addr struct sockaddr_in or struct sockaddr_in6 with the address and + * port to bind to. + * flags Unused. + * + * Returns: + * 0 on success, or an error code < 0 on failure. + * + * This sets the SO_REUSEPORT socket flag on the BSDs and OS X. On other + * UNIX platforms, it sets the SO_REUSEADDR flag. What that means is that + * multiple threads or processes can bind to the same address without error + * (provided they all set the flag) but only the last one to bind will receive + * any traffic, in effect "stealing" the port from the previous listener. + * This behavior is something of an anomaly and may be replaced by an explicit + * opt-in mechanism in future versions of libuv. + */ +UV_EXTERN int uv_udp_bind(uv_udp_t* handle, + const struct sockaddr* addr, + unsigned int flags); + +UV_EXTERN int uv_udp_getsockname(uv_udp_t* handle, struct sockaddr* name, + int* namelen); + +/* + * Set membership for a multicast address + * + * Arguments: + * handle UDP handle. Should have been initialized with + * `uv_udp_init`. + * multicast_addr multicast address to set membership for + * interface_addr interface address + * membership Should be UV_JOIN_GROUP or UV_LEAVE_GROUP + * + * Returns: + * 0 on success, or an error code < 0 on failure. + */ +UV_EXTERN int uv_udp_set_membership(uv_udp_t* handle, + const char* multicast_addr, const char* interface_addr, + uv_membership membership); + +/* + * Set IP multicast loop flag. Makes multicast packets loop back to + * local sockets. + * + * Arguments: + * handle UDP handle. Should have been initialized with + * `uv_udp_init`. + * on 1 for on, 0 for off + * + * Returns: + * 0 on success, or an error code < 0 on failure. + */ +UV_EXTERN int uv_udp_set_multicast_loop(uv_udp_t* handle, int on); + +/* + * Set the multicast ttl + * + * Arguments: + * handle UDP handle. Should have been initialized with + * `uv_udp_init`. + * ttl 1 through 255 + * + * Returns: + * 0 on success, or an error code < 0 on failure. + */ +UV_EXTERN int uv_udp_set_multicast_ttl(uv_udp_t* handle, int ttl); + +/* + * Set broadcast on or off + * + * Arguments: + * handle UDP handle. Should have been initialized with + * `uv_udp_init`. + * on 1 for on, 0 for off + * + * Returns: + * 0 on success, or an error code < 0 on failure. + */ +UV_EXTERN int uv_udp_set_broadcast(uv_udp_t* handle, int on); + +/* + * Set the time to live + * + * Arguments: + * handle UDP handle. Should have been initialized with + * `uv_udp_init`. + * ttl 1 through 255 + * + * Returns: + * 0 on success, or an error code < 0 on failure. + */ +UV_EXTERN int uv_udp_set_ttl(uv_udp_t* handle, int ttl); + +/* + * Send data. If the socket has not previously been bound with `uv_udp_bind` + * or `uv_udp_bind6`, it is bound to 0.0.0.0 (the "all interfaces" address) + * and a random port number. + * + * Arguments: + * req UDP request handle. Need not be initialized. + * handle UDP handle. Should have been initialized with `uv_udp_init`. + * bufs List of buffers to send. + * nbufs Number of buffers in `bufs`. + * addr Address of the remote peer. See `uv_ip4_addr`. + * send_cb Callback to invoke when the data has been sent out. + * + * Returns: + * 0 on success, or an error code < 0 on failure. + */ +UV_EXTERN int uv_udp_send(uv_udp_send_t* req, + uv_udp_t* handle, + const uv_buf_t bufs[], + unsigned int nbufs, + const struct sockaddr* addr, + uv_udp_send_cb send_cb); + +/* + * Receive data. If the socket has not previously been bound with `uv_udp_bind` + * or `uv_udp_bind6`, it is bound to 0.0.0.0 (the "all interfaces" address) + * and a random port number. + * + * Arguments: + * handle UDP handle. Should have been initialized with `uv_udp_init`. + * alloc_cb Callback to invoke when temporary storage is needed. + * recv_cb Callback to invoke with received data. + * + * Returns: + * 0 on success, or an error code < 0 on failure. + */ +UV_EXTERN int uv_udp_recv_start(uv_udp_t* handle, uv_alloc_cb alloc_cb, + uv_udp_recv_cb recv_cb); + +/* + * Stop listening for incoming datagrams. + * + * Arguments: + * handle UDP handle. Should have been initialized with `uv_udp_init`. + * + * Returns: + * 0 on success, or an error code < 0 on failure. + */ +UV_EXTERN int uv_udp_recv_stop(uv_udp_t* handle); + + +/* + * uv_tty_t is a subclass of uv_stream_t + * + * Representing a stream for the console. + */ +struct uv_tty_s { + UV_HANDLE_FIELDS + UV_STREAM_FIELDS + UV_TTY_PRIVATE_FIELDS +}; + +/* + * Initialize a new TTY stream with the given file descriptor. Usually the + * file descriptor will be + * 0 = stdin + * 1 = stdout + * 2 = stderr + * The last argument, readable, specifies if you plan on calling + * uv_read_start with this stream. stdin is readable, stdout is not. + * + * TTY streams which are not readable have blocking writes. + */ +UV_EXTERN int uv_tty_init(uv_loop_t*, uv_tty_t*, uv_file fd, int readable); + +/* + * Set mode. 0 for normal, 1 for raw. + */ +UV_EXTERN int uv_tty_set_mode(uv_tty_t*, int mode); + +/* + * To be called when the program exits. Resets TTY settings to default + * values for the next process to take over. + * + * This function is async signal-safe on UNIX platforms but can fail with error + * code UV_EBUSY if you call it when execution is inside uv_tty_set_mode(). + */ +UV_EXTERN int uv_tty_reset_mode(void); + +/* + * Gets the current Window size. On success zero is returned. + */ +UV_EXTERN int uv_tty_get_winsize(uv_tty_t*, int* width, int* height); + +/* + * Used to detect what type of stream should be used with a given file + * descriptor. Usually this will be used during initialization to guess the + * type of the stdio streams. + * For isatty() functionality use this function and test for UV_TTY. + */ +UV_EXTERN uv_handle_type uv_guess_handle(uv_file file); + +/* + * uv_pipe_t is a subclass of uv_stream_t + * + * Representing a pipe stream or pipe server. On Windows this is a Named + * Pipe. On Unix this is a UNIX domain socket. + */ +struct uv_pipe_s { + UV_HANDLE_FIELDS + UV_STREAM_FIELDS + int ipc; /* non-zero if this pipe is used for passing handles */ + UV_PIPE_PRIVATE_FIELDS +}; + +/* + * Initialize a pipe. The last argument is a boolean to indicate if + * this pipe will be used for handle passing between processes. + */ +UV_EXTERN int uv_pipe_init(uv_loop_t*, uv_pipe_t* handle, int ipc); + +/* + * Opens an existing file descriptor or HANDLE as a pipe. + */ +UV_EXTERN int uv_pipe_open(uv_pipe_t*, uv_file file); + +/* + * Bind the pipe to a file path (UNIX) or a name (Windows.) + * + * Paths on UNIX get truncated to `sizeof(sockaddr_un.sun_path)` bytes, + * typically between 92 and 108 bytes. + */ +UV_EXTERN int uv_pipe_bind(uv_pipe_t* handle, const char* name); + +/* + * Connect to the UNIX domain socket or the named pipe. + * + * Paths on UNIX get truncated to `sizeof(sockaddr_un.sun_path)` bytes, + * typically between 92 and 108 bytes. + */ +UV_EXTERN void uv_pipe_connect(uv_connect_t* req, uv_pipe_t* handle, + const char* name, uv_connect_cb cb); + +/* + * This setting applies to Windows only. + * Set the number of pending pipe instance handles when the pipe server + * is waiting for connections. + */ +UV_EXTERN void uv_pipe_pending_instances(uv_pipe_t* handle, int count); + + +/* + * uv_poll_t is a subclass of uv_handle_t. + * + * The uv_poll watcher is used to watch file descriptors for readability and + * writability, similar to the purpose of poll(2). + * + * The purpose of uv_poll is to enable integrating external libraries that + * rely on the event loop to signal it about the socket status changes, like + * c-ares or libssh2. Using uv_poll_t for any other other purpose is not + * recommended; uv_tcp_t, uv_udp_t, etc. provide an implementation that is + * much faster and more scalable than what can be achieved with uv_poll_t, + * especially on Windows. + * + * It is possible that uv_poll occasionally signals that a file descriptor is + * readable or writable even when it isn't. The user should therefore always + * be prepared to handle EAGAIN or equivalent when it attempts to read from or + * write to the fd. + * + * It is not okay to have multiple active uv_poll watchers for the same socket. + * This can cause libuv to busyloop or otherwise malfunction. + * + * The user should not close a file descriptor while it is being polled by an + * active uv_poll watcher. This can cause the poll watcher to report an error, + * but it might also start polling another socket. However the fd can be safely + * closed immediately after a call to uv_poll_stop() or uv_close(). + * + * On windows only sockets can be polled with uv_poll. On unix any file + * descriptor that would be accepted by poll(2) can be used with uv_poll. + */ +struct uv_poll_s { + UV_HANDLE_FIELDS + uv_poll_cb poll_cb; + UV_POLL_PRIVATE_FIELDS +}; + +enum uv_poll_event { + UV_READABLE = 1, + UV_WRITABLE = 2 +}; + +/* Initialize the poll watcher using a file descriptor. */ +UV_EXTERN int uv_poll_init(uv_loop_t* loop, uv_poll_t* handle, int fd); + +/* Initialize the poll watcher using a socket descriptor. On unix this is */ +/* identical to uv_poll_init. On windows it takes a SOCKET handle. */ +UV_EXTERN int uv_poll_init_socket(uv_loop_t* loop, uv_poll_t* handle, + uv_os_sock_t socket); + +/* + * Starts polling the file descriptor. `events` is a bitmask consisting made up + * of UV_READABLE and UV_WRITABLE. As soon as an event is detected the callback + * will be called with `status` set to 0, and the detected events set en the + * `events` field. + * + * If an error happens while polling status, `status` < 0 and corresponds + * with one of the UV_E* error codes. The user should not close the socket + * while uv_poll is active. If the user does that anyway, the callback *may* + * be called reporting an error status, but this is not guaranteed. + * + * Calling uv_poll_start on an uv_poll watcher that is already active is fine. + * Doing so will update the events mask that is being watched for. + */ +UV_EXTERN int uv_poll_start(uv_poll_t* handle, int events, uv_poll_cb cb); + +/* Stops polling the file descriptor. */ +UV_EXTERN int uv_poll_stop(uv_poll_t* handle); + + +/* + * uv_prepare_t is a subclass of uv_handle_t. + * + * Every active prepare handle gets its callback called exactly once per loop + * iteration, just before the system blocks to wait for completed i/o. + */ +struct uv_prepare_s { + UV_HANDLE_FIELDS + UV_PREPARE_PRIVATE_FIELDS +}; + +UV_EXTERN int uv_prepare_init(uv_loop_t*, uv_prepare_t* prepare); + +UV_EXTERN int uv_prepare_start(uv_prepare_t* prepare, uv_prepare_cb cb); + +UV_EXTERN int uv_prepare_stop(uv_prepare_t* prepare); + + +/* + * uv_check_t is a subclass of uv_handle_t. + * + * Every active check handle gets its callback called exactly once per loop + * iteration, just after the system returns from blocking. + */ +struct uv_check_s { + UV_HANDLE_FIELDS + UV_CHECK_PRIVATE_FIELDS +}; + +UV_EXTERN int uv_check_init(uv_loop_t*, uv_check_t* check); + +UV_EXTERN int uv_check_start(uv_check_t* check, uv_check_cb cb); + +UV_EXTERN int uv_check_stop(uv_check_t* check); + + +/* + * uv_idle_t is a subclass of uv_handle_t. + * + * Every active idle handle gets its callback called repeatedly until it is + * stopped. This happens after all other types of callbacks are processed. + * When there are multiple "idle" handles active, their callbacks are called + * in turn. + */ +struct uv_idle_s { + UV_HANDLE_FIELDS + UV_IDLE_PRIVATE_FIELDS +}; + +UV_EXTERN int uv_idle_init(uv_loop_t*, uv_idle_t* idle); + +UV_EXTERN int uv_idle_start(uv_idle_t* idle, uv_idle_cb cb); + +UV_EXTERN int uv_idle_stop(uv_idle_t* idle); + + +/* + * uv_async_t is a subclass of uv_handle_t. + * + * uv_async_send wakes up the event loop and calls the async handle's callback. + * There is no guarantee that every uv_async_send call leads to exactly one + * invocation of the callback; the only guarantee is that the callback function + * is called at least once after the call to async_send. Unlike all other + * libuv functions, uv_async_send can be called from another thread. + */ +struct uv_async_s { + UV_HANDLE_FIELDS + UV_ASYNC_PRIVATE_FIELDS +}; + +/* + * Initialize the uv_async_t handle. A NULL callback is allowed. + * + * Note that uv_async_init(), unlike other libuv functions, immediately + * starts the handle. To stop the handle again, close it with uv_close(). + */ +UV_EXTERN int uv_async_init(uv_loop_t*, uv_async_t* async, + uv_async_cb async_cb); + +/* + * This can be called from other threads to wake up a libuv thread. + * + * libuv is single threaded at the moment. + */ +UV_EXTERN int uv_async_send(uv_async_t* async); + + +/* + * uv_timer_t is a subclass of uv_handle_t. + * + * Used to get woken up at a specified time in the future. + */ +struct uv_timer_s { + UV_HANDLE_FIELDS + UV_TIMER_PRIVATE_FIELDS +}; + +UV_EXTERN int uv_timer_init(uv_loop_t*, uv_timer_t* handle); + +/* + * Start the timer. `timeout` and `repeat` are in milliseconds. + * + * If timeout is zero, the callback fires on the next tick of the event loop. + * + * If repeat is non-zero, the callback fires first after timeout milliseconds + * and then repeatedly after repeat milliseconds. + */ +UV_EXTERN int uv_timer_start(uv_timer_t* handle, + uv_timer_cb cb, + uint64_t timeout, + uint64_t repeat); + +UV_EXTERN int uv_timer_stop(uv_timer_t* handle); + +/* + * Stop the timer, and if it is repeating restart it using the repeat value + * as the timeout. If the timer has never been started before it returns + * UV_EINVAL. + */ +UV_EXTERN int uv_timer_again(uv_timer_t* handle); + +/* + * Set the repeat value in milliseconds. Note that if the repeat value is set + * from a timer callback it does not immediately take effect. If the timer was + * non-repeating before, it will have been stopped. If it was repeating, then + * the old repeat value will have been used to schedule the next timeout. + */ +UV_EXTERN void uv_timer_set_repeat(uv_timer_t* handle, uint64_t repeat); + +UV_EXTERN uint64_t uv_timer_get_repeat(const uv_timer_t* handle); + + +/* + * uv_getaddrinfo_t is a subclass of uv_req_t + * + * Request object for uv_getaddrinfo. + */ +struct uv_getaddrinfo_s { + UV_REQ_FIELDS + /* read-only */ + uv_loop_t* loop; + UV_GETADDRINFO_PRIVATE_FIELDS +}; + + +/* + * Asynchronous getaddrinfo(3). + * + * Either node or service may be NULL but not both. + * + * hints is a pointer to a struct addrinfo with additional address type + * constraints, or NULL. Consult `man -s 3 getaddrinfo` for details. + * + * Returns 0 on success or an error code < 0 on failure. + * + * If successful, your callback gets called sometime in the future with the + * lookup result, which is either: + * + * a) err == 0, the res argument points to a valid struct addrinfo, or + * b) err < 0, the res argument is NULL. See the UV_EAI_* constants. + * + * Call uv_freeaddrinfo() to free the addrinfo structure. + */ +UV_EXTERN int uv_getaddrinfo(uv_loop_t* loop, + uv_getaddrinfo_t* req, + uv_getaddrinfo_cb getaddrinfo_cb, + const char* node, + const char* service, + const struct addrinfo* hints); + +/* + * Free the struct addrinfo. Passing NULL is allowed and is a no-op. + */ +UV_EXTERN void uv_freeaddrinfo(struct addrinfo* ai); + + +/* uv_spawn() options */ +typedef enum { + UV_IGNORE = 0x00, + UV_CREATE_PIPE = 0x01, + UV_INHERIT_FD = 0x02, + UV_INHERIT_STREAM = 0x04, + + /* When UV_CREATE_PIPE is specified, UV_READABLE_PIPE and UV_WRITABLE_PIPE + * determine the direction of flow, from the child process' perspective. Both + * flags may be specified to create a duplex data stream. + */ + UV_READABLE_PIPE = 0x10, + UV_WRITABLE_PIPE = 0x20 +} uv_stdio_flags; + +typedef struct uv_stdio_container_s { + uv_stdio_flags flags; + + union { + uv_stream_t* stream; + int fd; + } data; +} uv_stdio_container_t; + +typedef struct uv_process_options_s { + uv_exit_cb exit_cb; /* Called after the process exits. */ + const char* file; /* Path to program to execute. */ + /* + * Command line arguments. args[0] should be the path to the program. On + * Windows this uses CreateProcess which concatenates the arguments into a + * string this can cause some strange errors. See the note at + * windows_verbatim_arguments. + */ + char** args; + /* + * This will be set as the environ variable in the subprocess. If this is + * NULL then the parents environ will be used. + */ + char** env; + /* + * If non-null this represents a directory the subprocess should execute + * in. Stands for current working directory. + */ + const char* cwd; + /* + * Various flags that control how uv_spawn() behaves. See the definition of + * `enum uv_process_flags` below. + */ + unsigned int flags; + /* + * The `stdio` field points to an array of uv_stdio_container_t structs that + * describe the file descriptors that will be made available to the child + * process. The convention is that stdio[0] points to stdin, fd 1 is used for + * stdout, and fd 2 is stderr. + * + * Note that on windows file descriptors greater than 2 are available to the + * child process only if the child processes uses the MSVCRT runtime. + */ + int stdio_count; + uv_stdio_container_t* stdio; + /* + * Libuv can change the child process' user/group id. This happens only when + * the appropriate bits are set in the flags fields. This is not supported on + * windows; uv_spawn() will fail and set the error to UV_ENOTSUP. + */ + uv_uid_t uid; + uv_gid_t gid; +} uv_process_options_t; + +/* + * These are the flags that can be used for the uv_process_options.flags field. + */ +enum uv_process_flags { + /* + * Set the child process' user id. The user id is supplied in the `uid` field + * of the options struct. This does not work on windows; setting this flag + * will cause uv_spawn() to fail. + */ + UV_PROCESS_SETUID = (1 << 0), + /* + * Set the child process' group id. The user id is supplied in the `gid` + * field of the options struct. This does not work on windows; setting this + * flag will cause uv_spawn() to fail. + */ + UV_PROCESS_SETGID = (1 << 1), + /* + * Do not wrap any arguments in quotes, or perform any other escaping, when + * converting the argument list into a command line string. This option is + * only meaningful on Windows systems. On unix it is silently ignored. + */ + UV_PROCESS_WINDOWS_VERBATIM_ARGUMENTS = (1 << 2), + /* + * Spawn the child process in a detached state - this will make it a process + * group leader, and will effectively enable the child to keep running after + * the parent exits. Note that the child process will still keep the + * parent's event loop alive unless the parent process calls uv_unref() on + * the child's process handle. + */ + UV_PROCESS_DETACHED = (1 << 3), + /* + * Hide the subprocess console window that would normally be created. This + * option is only meaningful on Windows systems. On unix it is silently + * ignored. + */ + UV_PROCESS_WINDOWS_HIDE = (1 << 4) +}; + +/* + * uv_process_t is a subclass of uv_handle_t + */ +struct uv_process_s { + UV_HANDLE_FIELDS + uv_exit_cb exit_cb; + int pid; + UV_PROCESS_PRIVATE_FIELDS +}; + +/* + * Initializes the uv_process_t and starts the process. If the process is + * successfully spawned, then this function will return 0. Otherwise, the + * negative error code corresponding to the reason it couldn't spawn is + * returned. + * + * Possible reasons for failing to spawn would include (but not be limited to) + * the file to execute not existing, not having permissions to use the setuid or + * setgid specified, or not having enough memory to allocate for the new + * process. + */ +UV_EXTERN int uv_spawn(uv_loop_t* loop, + uv_process_t* handle, + const uv_process_options_t* options); + + +/* + * Kills the process with the specified signal. The user must still + * call uv_close on the process. + */ +UV_EXTERN int uv_process_kill(uv_process_t*, int signum); + + +/* Kills the process with the specified signal. */ +UV_EXTERN int uv_kill(int pid, int signum); + + +/* + * uv_work_t is a subclass of uv_req_t + */ +struct uv_work_s { + UV_REQ_FIELDS + uv_loop_t* loop; + uv_work_cb work_cb; + uv_after_work_cb after_work_cb; + UV_WORK_PRIVATE_FIELDS +}; + +/* Queues a work request to execute asynchronously on the thread pool. */ +UV_EXTERN int uv_queue_work(uv_loop_t* loop, uv_work_t* req, + uv_work_cb work_cb, uv_after_work_cb after_work_cb); + +/* Cancel a pending request. Fails if the request is executing or has finished + * executing. + * + * Returns 0 on success, or an error code < 0 on failure. + * + * Only cancellation of uv_fs_t, uv_getaddrinfo_t and uv_work_t requests is + * currently supported. + * + * Cancelled requests have their callbacks invoked some time in the future. + * It's _not_ safe to free the memory associated with the request until your + * callback is called. + * + * Here is how cancellation is reported to your callback: + * + * - A uv_fs_t request has its req->result field set to UV_ECANCELED. + * + * - A uv_work_t or uv_getaddrinfo_t request has its callback invoked with + * status == UV_ECANCELED. + * + * This function is currently only implemented on UNIX platforms. On Windows, + * it always returns UV_ENOSYS. + */ +UV_EXTERN int uv_cancel(uv_req_t* req); + + +struct uv_cpu_info_s { + char* model; + int speed; + struct uv_cpu_times_s { + uint64_t user; + uint64_t nice; + uint64_t sys; + uint64_t idle; + uint64_t irq; + } cpu_times; +}; + +struct uv_interface_address_s { + char* name; + char phys_addr[6]; + int is_internal; + union { + struct sockaddr_in address4; + struct sockaddr_in6 address6; + } address; + union { + struct sockaddr_in netmask4; + struct sockaddr_in6 netmask6; + } netmask; +}; + +UV_EXTERN char** uv_setup_args(int argc, char** argv); +UV_EXTERN int uv_get_process_title(char* buffer, size_t size); +UV_EXTERN int uv_set_process_title(const char* title); +UV_EXTERN int uv_resident_set_memory(size_t* rss); +UV_EXTERN int uv_uptime(double* uptime); + +/* + * This allocates cpu_infos array, and sets count. The array + * is freed using uv_free_cpu_info(). + */ +UV_EXTERN int uv_cpu_info(uv_cpu_info_t** cpu_infos, int* count); +UV_EXTERN void uv_free_cpu_info(uv_cpu_info_t* cpu_infos, int count); + +/* + * This allocates addresses array, and sets count. The array + * is freed using uv_free_interface_addresses(). + */ +UV_EXTERN int uv_interface_addresses(uv_interface_address_t** addresses, + int* count); +UV_EXTERN void uv_free_interface_addresses(uv_interface_address_t* addresses, + int count); + +/* + * File System Methods. + * + * The uv_fs_* functions execute a blocking system call asynchronously (in a + * thread pool) and call the specified callback in the specified loop after + * completion. If the user gives NULL as the callback the blocking system + * call will be called synchronously. req should be a pointer to an + * uninitialized uv_fs_t object. + * + * uv_fs_req_cleanup() must be called after completion of the uv_fs_ + * function to free any internal memory allocations associated with the + * request. + */ + +typedef enum { + UV_FS_UNKNOWN = -1, + UV_FS_CUSTOM, + UV_FS_OPEN, + UV_FS_CLOSE, + UV_FS_READ, + UV_FS_WRITE, + UV_FS_SENDFILE, + UV_FS_STAT, + UV_FS_LSTAT, + UV_FS_FSTAT, + UV_FS_FTRUNCATE, + UV_FS_UTIME, + UV_FS_FUTIME, + UV_FS_CHMOD, + UV_FS_FCHMOD, + UV_FS_FSYNC, + UV_FS_FDATASYNC, + UV_FS_UNLINK, + UV_FS_RMDIR, + UV_FS_MKDIR, + UV_FS_RENAME, + UV_FS_READDIR, + UV_FS_LINK, + UV_FS_SYMLINK, + UV_FS_READLINK, + UV_FS_CHOWN, + UV_FS_FCHOWN +} uv_fs_type; + +/* uv_fs_t is a subclass of uv_req_t */ +struct uv_fs_s { + UV_REQ_FIELDS + uv_fs_type fs_type; + uv_loop_t* loop; + uv_fs_cb cb; + ssize_t result; + void* ptr; + const char* path; + uv_stat_t statbuf; /* Stores the result of uv_fs_stat and uv_fs_fstat. */ + UV_FS_PRIVATE_FIELDS +}; + +UV_EXTERN void uv_fs_req_cleanup(uv_fs_t* req); + +UV_EXTERN int uv_fs_close(uv_loop_t* loop, uv_fs_t* req, uv_file file, + uv_fs_cb cb); + +UV_EXTERN int uv_fs_open(uv_loop_t* loop, uv_fs_t* req, const char* path, + int flags, int mode, uv_fs_cb cb); + +UV_EXTERN int uv_fs_read(uv_loop_t* loop, uv_fs_t* req, uv_file file, + void* buf, size_t length, int64_t offset, uv_fs_cb cb); + +UV_EXTERN int uv_fs_unlink(uv_loop_t* loop, uv_fs_t* req, const char* path, + uv_fs_cb cb); + +UV_EXTERN int uv_fs_write(uv_loop_t* loop, uv_fs_t* req, uv_file file, + const void* buf, size_t length, int64_t offset, uv_fs_cb cb); + +UV_EXTERN int uv_fs_mkdir(uv_loop_t* loop, uv_fs_t* req, const char* path, + int mode, uv_fs_cb cb); + +UV_EXTERN int uv_fs_rmdir(uv_loop_t* loop, uv_fs_t* req, const char* path, + uv_fs_cb cb); + +UV_EXTERN int uv_fs_readdir(uv_loop_t* loop, uv_fs_t* req, + const char* path, int flags, uv_fs_cb cb); + +UV_EXTERN int uv_fs_stat(uv_loop_t* loop, uv_fs_t* req, const char* path, + uv_fs_cb cb); + +UV_EXTERN int uv_fs_fstat(uv_loop_t* loop, uv_fs_t* req, uv_file file, + uv_fs_cb cb); + +UV_EXTERN int uv_fs_rename(uv_loop_t* loop, uv_fs_t* req, const char* path, + const char* new_path, uv_fs_cb cb); + +UV_EXTERN int uv_fs_fsync(uv_loop_t* loop, uv_fs_t* req, uv_file file, + uv_fs_cb cb); + +UV_EXTERN int uv_fs_fdatasync(uv_loop_t* loop, uv_fs_t* req, uv_file file, + uv_fs_cb cb); + +UV_EXTERN int uv_fs_ftruncate(uv_loop_t* loop, uv_fs_t* req, uv_file file, + int64_t offset, uv_fs_cb cb); + +UV_EXTERN int uv_fs_sendfile(uv_loop_t* loop, uv_fs_t* req, uv_file out_fd, + uv_file in_fd, int64_t in_offset, size_t length, uv_fs_cb cb); + +UV_EXTERN int uv_fs_chmod(uv_loop_t* loop, uv_fs_t* req, const char* path, + int mode, uv_fs_cb cb); + +UV_EXTERN int uv_fs_utime(uv_loop_t* loop, uv_fs_t* req, const char* path, + double atime, double mtime, uv_fs_cb cb); + +UV_EXTERN int uv_fs_futime(uv_loop_t* loop, uv_fs_t* req, uv_file file, + double atime, double mtime, uv_fs_cb cb); + +UV_EXTERN int uv_fs_lstat(uv_loop_t* loop, uv_fs_t* req, const char* path, + uv_fs_cb cb); + +UV_EXTERN int uv_fs_link(uv_loop_t* loop, uv_fs_t* req, const char* path, + const char* new_path, uv_fs_cb cb); + +/* + * This flag can be used with uv_fs_symlink on Windows + * to specify whether path argument points to a directory. + */ +#define UV_FS_SYMLINK_DIR 0x0001 + +/* + * This flag can be used with uv_fs_symlink on Windows + * to specify whether the symlink is to be created using junction points. + */ +#define UV_FS_SYMLINK_JUNCTION 0x0002 + +UV_EXTERN int uv_fs_symlink(uv_loop_t* loop, uv_fs_t* req, const char* path, + const char* new_path, int flags, uv_fs_cb cb); + +UV_EXTERN int uv_fs_readlink(uv_loop_t* loop, uv_fs_t* req, const char* path, + uv_fs_cb cb); + +UV_EXTERN int uv_fs_fchmod(uv_loop_t* loop, uv_fs_t* req, uv_file file, + int mode, uv_fs_cb cb); + +UV_EXTERN int uv_fs_chown(uv_loop_t* loop, uv_fs_t* req, const char* path, + uv_uid_t uid, uv_gid_t gid, uv_fs_cb cb); + +UV_EXTERN int uv_fs_fchown(uv_loop_t* loop, uv_fs_t* req, uv_file file, + uv_uid_t uid, uv_gid_t gid, uv_fs_cb cb); + + +enum uv_fs_event { + UV_RENAME = 1, + UV_CHANGE = 2 +}; + + +struct uv_fs_event_s { + UV_HANDLE_FIELDS + char* filename; + UV_FS_EVENT_PRIVATE_FIELDS +}; + + +/* + * uv_fs_stat() based polling file watcher. + */ +struct uv_fs_poll_s { + UV_HANDLE_FIELDS + /* Private, don't touch. */ + void* poll_ctx; +}; + +UV_EXTERN int uv_fs_poll_init(uv_loop_t* loop, uv_fs_poll_t* handle); + +/* + * Check the file at `path` for changes every `interval` milliseconds. + * + * Your callback is invoked with `status < 0` if `path` does not exist + * or is inaccessible. The watcher is *not* stopped but your callback is + * not called again until something changes (e.g. when the file is created + * or the error reason changes). + * + * When `status == 0`, your callback receives pointers to the old and new + * `uv_stat_t` structs. They are valid for the duration of the callback + * only! + * + * For maximum portability, use multi-second intervals. Sub-second intervals + * will not detect all changes on many file systems. + */ +UV_EXTERN int uv_fs_poll_start(uv_fs_poll_t* handle, + uv_fs_poll_cb poll_cb, + const char* path, + unsigned int interval); + +UV_EXTERN int uv_fs_poll_stop(uv_fs_poll_t* handle); + + +/* + * UNIX signal handling on a per-event loop basis. The implementation is not + * ultra efficient so don't go creating a million event loops with a million + * signal watchers. + * + * Note to Linux users: SIGRT0 and SIGRT1 (signals 32 and 33) are used by the + * NPTL pthreads library to manage threads. Installing watchers for those + * signals will lead to unpredictable behavior and is strongly discouraged. + * Future versions of libuv may simply reject them. + * + * Some signal support is available on Windows: + * + * SIGINT is normally delivered when the user presses CTRL+C. However, like + * on Unix, it is not generated when terminal raw mode is enabled. + * + * SIGBREAK is delivered when the user pressed CTRL+BREAK. + * + * SIGHUP is generated when the user closes the console window. On SIGHUP the + * program is given approximately 10 seconds to perform cleanup. After that + * Windows will unconditionally terminate it. + * + * SIGWINCH is raised whenever libuv detects that the console has been + * resized. SIGWINCH is emulated by libuv when the program uses an uv_tty_t + * handle to write to the console. SIGWINCH may not always be delivered in a + * timely manner; libuv will only detect size changes when the cursor is + * being moved. When a readable uv_tty_handle is used in raw mode, resizing + * the console buffer will also trigger a SIGWINCH signal. + * + * Watchers for other signals can be successfully created, but these signals + * are never generated. These signals are: SIGILL, SIGABRT, SIGFPE, SIGSEGV, + * SIGTERM and SIGKILL. + * + * Note that calls to raise() or abort() to programmatically raise a signal are + * not detected by libuv; these will not trigger a signal watcher. + */ +struct uv_signal_s { + UV_HANDLE_FIELDS + uv_signal_cb signal_cb; + int signum; + UV_SIGNAL_PRIVATE_FIELDS +}; + +UV_EXTERN int uv_signal_init(uv_loop_t* loop, uv_signal_t* handle); + +UV_EXTERN int uv_signal_start(uv_signal_t* handle, + uv_signal_cb signal_cb, + int signum); + +UV_EXTERN int uv_signal_stop(uv_signal_t* handle); + + +/* + * Gets load average. + * See: http://en.wikipedia.org/wiki/Load_(computing) + * Returns [0,0,0] on Windows. + */ +UV_EXTERN void uv_loadavg(double avg[3]); + + +/* + * Flags to be passed to uv_fs_event_start. + */ +enum uv_fs_event_flags { + /* + * By default, if the fs event watcher is given a directory name, we will + * watch for all events in that directory. This flags overrides this behavior + * and makes fs_event report only changes to the directory entry itself. This + * flag does not affect individual files watched. + * This flag is currently not implemented yet on any backend. + */ + UV_FS_EVENT_WATCH_ENTRY = 1, + + /* + * By default uv_fs_event will try to use a kernel interface such as inotify + * or kqueue to detect events. This may not work on remote filesystems such + * as NFS mounts. This flag makes fs_event fall back to calling stat() on a + * regular interval. + * This flag is currently not implemented yet on any backend. + */ + UV_FS_EVENT_STAT = 2, + + /* + * By default, event watcher, when watching directory, is not registering + * (is ignoring) changes in it's subdirectories. + * This flag will override this behaviour on platforms that support it. + */ + UV_FS_EVENT_RECURSIVE = 4 +}; + + +UV_EXTERN int uv_fs_event_init(uv_loop_t* loop, uv_fs_event_t* handle); + +UV_EXTERN int uv_fs_event_start(uv_fs_event_t* handle, + uv_fs_event_cb cb, + const char* filename, + unsigned int flags); + +UV_EXTERN int uv_fs_event_stop(uv_fs_event_t* handle); + + +/* Utility */ + +/* Convert string ip addresses to binary structures */ +UV_EXTERN int uv_ip4_addr(const char* ip, int port, struct sockaddr_in* addr); +UV_EXTERN int uv_ip6_addr(const char* ip, int port, struct sockaddr_in6* addr); + +/* Convert binary addresses to strings */ +UV_EXTERN int uv_ip4_name(struct sockaddr_in* src, char* dst, size_t size); +UV_EXTERN int uv_ip6_name(struct sockaddr_in6* src, char* dst, size_t size); + +/* Cross-platform IPv6-capable implementation of the 'standard' inet_ntop */ +/* and inet_pton functions. On success they return 0. If an error */ +/* the target of the `dst` pointer is unmodified. */ +UV_EXTERN int uv_inet_ntop(int af, const void* src, char* dst, size_t size); +UV_EXTERN int uv_inet_pton(int af, const char* src, void* dst); + +/* Gets the executable path */ +UV_EXTERN int uv_exepath(char* buffer, size_t* size); + +/* Gets the current working directory */ +UV_EXTERN int uv_cwd(char* buffer, size_t size); + +/* Changes the current working directory */ +UV_EXTERN int uv_chdir(const char* dir); + +/* Gets memory info in bytes */ +UV_EXTERN uint64_t uv_get_free_memory(void); +UV_EXTERN uint64_t uv_get_total_memory(void); + +/* + * Returns the current high-resolution real time. This is expressed in + * nanoseconds. It is relative to an arbitrary time in the past. It is not + * related to the time of day and therefore not subject to clock drift. The + * primary use is for measuring performance between intervals. + * + * Note not every platform can support nanosecond resolution; however, this + * value will always be in nanoseconds. + */ +UV_EXTERN extern uint64_t uv_hrtime(void); + + +/* + * Disables inheritance for file descriptors / handles that this process + * inherited from its parent. The effect is that child processes spawned by + * this process don't accidentally inherit these handles. + * + * It is recommended to call this function as early in your program as possible, + * before the inherited file descriptors can be closed or duplicated. + * + * Note that this function works on a best-effort basis: there is no guarantee + * that libuv can discover all file descriptors that were inherited. In general + * it does a better job on Windows than it does on unix. + */ +UV_EXTERN void uv_disable_stdio_inheritance(void); + +/* + * Opens a shared library. The filename is in utf-8. Returns 0 on success and + * -1 on error. Call `uv_dlerror(uv_lib_t*)` to get the error message. + */ +UV_EXTERN int uv_dlopen(const char* filename, uv_lib_t* lib); + +/* + * Close the shared library. + */ +UV_EXTERN void uv_dlclose(uv_lib_t* lib); + +/* + * Retrieves a data pointer from a dynamic library. It is legal for a symbol to + * map to NULL. Returns 0 on success and -1 if the symbol was not found. + */ +UV_EXTERN int uv_dlsym(uv_lib_t* lib, const char* name, void** ptr); + +/* + * Returns the last uv_dlopen() or uv_dlsym() error message. + */ +UV_EXTERN const char* uv_dlerror(uv_lib_t* lib); + +/* + * The mutex functions return 0 on success or an error code < 0 + * (unless the return type is void, of course). + */ +UV_EXTERN int uv_mutex_init(uv_mutex_t* handle); +UV_EXTERN void uv_mutex_destroy(uv_mutex_t* handle); +UV_EXTERN void uv_mutex_lock(uv_mutex_t* handle); +UV_EXTERN int uv_mutex_trylock(uv_mutex_t* handle); +UV_EXTERN void uv_mutex_unlock(uv_mutex_t* handle); + +/* + * Same goes for the read/write lock functions. + */ +UV_EXTERN int uv_rwlock_init(uv_rwlock_t* rwlock); +UV_EXTERN void uv_rwlock_destroy(uv_rwlock_t* rwlock); +UV_EXTERN void uv_rwlock_rdlock(uv_rwlock_t* rwlock); +UV_EXTERN int uv_rwlock_tryrdlock(uv_rwlock_t* rwlock); +UV_EXTERN void uv_rwlock_rdunlock(uv_rwlock_t* rwlock); +UV_EXTERN void uv_rwlock_wrlock(uv_rwlock_t* rwlock); +UV_EXTERN int uv_rwlock_trywrlock(uv_rwlock_t* rwlock); +UV_EXTERN void uv_rwlock_wrunlock(uv_rwlock_t* rwlock); + +/* + * Same goes for the semaphore functions. + */ +UV_EXTERN int uv_sem_init(uv_sem_t* sem, unsigned int value); +UV_EXTERN void uv_sem_destroy(uv_sem_t* sem); +UV_EXTERN void uv_sem_post(uv_sem_t* sem); +UV_EXTERN void uv_sem_wait(uv_sem_t* sem); +UV_EXTERN int uv_sem_trywait(uv_sem_t* sem); + +/* + * Same goes for the condition variable functions. + */ +UV_EXTERN int uv_cond_init(uv_cond_t* cond); +UV_EXTERN void uv_cond_destroy(uv_cond_t* cond); +UV_EXTERN void uv_cond_signal(uv_cond_t* cond); +UV_EXTERN void uv_cond_broadcast(uv_cond_t* cond); +/* Waits on a condition variable without a timeout. + * + * Note: + * 1. callers should be prepared to deal with spurious wakeups. + */ +UV_EXTERN void uv_cond_wait(uv_cond_t* cond, uv_mutex_t* mutex); +/* Waits on a condition variable with a timeout in nano seconds. + * Returns 0 for success or UV_ETIMEDOUT on timeout, It aborts when other + * errors happen. + * + * Note: + * 1. callers should be prepared to deal with spurious wakeups. + * 2. the granularity of timeout on Windows is never less than one millisecond. + * 3. uv_cond_timedwait takes a relative timeout, not an absolute time. + */ +UV_EXTERN int uv_cond_timedwait(uv_cond_t* cond, uv_mutex_t* mutex, + uint64_t timeout); + +UV_EXTERN int uv_barrier_init(uv_barrier_t* barrier, unsigned int count); +UV_EXTERN void uv_barrier_destroy(uv_barrier_t* barrier); +UV_EXTERN void uv_barrier_wait(uv_barrier_t* barrier); + +/* Runs a function once and only once. Concurrent calls to uv_once() with the + * same guard will block all callers except one (it's unspecified which one). + * The guard should be initialized statically with the UV_ONCE_INIT macro. + */ +UV_EXTERN void uv_once(uv_once_t* guard, void (*callback)(void)); + +/* Thread-local storage. These functions largely follow the semantics of + * pthread_key_create(), pthread_key_delete(), pthread_getspecific() and + * pthread_setspecific(). + * + * Note that the total thread-local storage size may be limited. + * That is, it may not be possible to create many TLS keys. + */ +UV_EXTERN int uv_key_create(uv_key_t* key); +UV_EXTERN void uv_key_delete(uv_key_t* key); +UV_EXTERN void* uv_key_get(uv_key_t* key); +UV_EXTERN void uv_key_set(uv_key_t* key, void* value); + +UV_EXTERN int uv_thread_create(uv_thread_t *tid, + void (*entry)(void *arg), void *arg); +UV_EXTERN unsigned long uv_thread_self(void); +UV_EXTERN int uv_thread_join(uv_thread_t *tid); + +/* The presence of these unions force similar struct layout. */ +#define XX(_, name) uv_ ## name ## _t name; +union uv_any_handle { + UV_HANDLE_TYPE_MAP(XX) +}; + +union uv_any_req { + UV_REQ_TYPE_MAP(XX) +}; +#undef XX + + +struct uv_loop_s { + /* User data - use this for whatever. */ + void* data; + /* Loop reference counting */ + unsigned int active_handles; + void* handle_queue[2]; + void* active_reqs[2]; + /* Internal flag to signal loop stop */ + unsigned int stop_flag; + UV_LOOP_PRIVATE_FIELDS +}; + + +/* Don't export the private CPP symbols. */ +#undef UV_HANDLE_TYPE_PRIVATE +#undef UV_REQ_TYPE_PRIVATE +#undef UV_REQ_PRIVATE_FIELDS +#undef UV_STREAM_PRIVATE_FIELDS +#undef UV_TCP_PRIVATE_FIELDS +#undef UV_PREPARE_PRIVATE_FIELDS +#undef UV_CHECK_PRIVATE_FIELDS +#undef UV_IDLE_PRIVATE_FIELDS +#undef UV_ASYNC_PRIVATE_FIELDS +#undef UV_TIMER_PRIVATE_FIELDS +#undef UV_GETADDRINFO_PRIVATE_FIELDS +#undef UV_FS_REQ_PRIVATE_FIELDS +#undef UV_WORK_PRIVATE_FIELDS +#undef UV_FS_EVENT_PRIVATE_FIELDS +#undef UV_SIGNAL_PRIVATE_FIELDS +#undef UV_LOOP_PRIVATE_FIELDS +#undef UV_LOOP_PRIVATE_PLATFORM_FIELDS + +#ifdef __cplusplus +} +#endif +#endif /* UV_H */ |