diff options
Diffstat (limited to 'third-party/libuv/src/win/loop-watcher.c')
| -rw-r--r-- | third-party/libuv/src/win/loop-watcher.c | 124 | 
1 files changed, 124 insertions, 0 deletions
diff --git a/third-party/libuv/src/win/loop-watcher.c b/third-party/libuv/src/win/loop-watcher.c new file mode 100644 index 0000000000..6dbc861edd --- /dev/null +++ b/third-party/libuv/src/win/loop-watcher.c @@ -0,0 +1,124 @@ +/* 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. + */ + +#include <assert.h> + +#include "uv.h" +#include "internal.h" +#include "handle-inl.h" + + +void uv_loop_watcher_endgame(uv_loop_t* loop, uv_handle_t* handle) { +  if (handle->flags & UV__HANDLE_CLOSING) { +    assert(!(handle->flags & UV_HANDLE_CLOSED)); +    handle->flags |= UV_HANDLE_CLOSED; +    uv__handle_close(handle); +  } +} + + +#define UV_LOOP_WATCHER_DEFINE(name, NAME)                                    \ +  int uv_##name##_init(uv_loop_t* loop, uv_##name##_t* handle) {              \ +    uv__handle_init(loop, (uv_handle_t*) handle, UV_##NAME);                  \ +                                                                              \ +    return 0;                                                                 \ +  }                                                                           \ +                                                                              \ +                                                                              \ +  int uv_##name##_start(uv_##name##_t* handle, uv_##name##_cb cb) {           \ +    uv_loop_t* loop = handle->loop;                                           \ +    uv_##name##_t* old_head;                                                  \ +                                                                              \ +    assert(handle->type == UV_##NAME);                                        \ +                                                                              \ +    if (handle->flags & UV_HANDLE_ACTIVE)                                     \ +      return 0;                                                               \ +                                                                              \ +    if (cb == NULL)                                                           \ +      return UV_EINVAL;                                                       \ +                                                                              \ +    old_head = loop->name##_handles;                                          \ +                                                                              \ +    handle->name##_next = old_head;                                           \ +    handle->name##_prev = NULL;                                               \ +                                                                              \ +    if (old_head) {                                                           \ +      old_head->name##_prev = handle;                                         \ +    }                                                                         \ +                                                                              \ +    loop->name##_handles = handle;                                            \ +                                                                              \ +    handle->name##_cb = cb;                                                   \ +    handle->flags |= UV_HANDLE_ACTIVE;                                        \ +    uv__handle_start(handle);                                                 \ +                                                                              \ +    return 0;                                                                 \ +  }                                                                           \ +                                                                              \ +                                                                              \ +  int uv_##name##_stop(uv_##name##_t* handle) {                               \ +    uv_loop_t* loop = handle->loop;                                           \ +                                                                              \ +    assert(handle->type == UV_##NAME);                                        \ +                                                                              \ +    if (!(handle->flags & UV_HANDLE_ACTIVE))                                  \ +      return 0;                                                               \ +                                                                              \ +    /* Update loop head if needed */                                          \ +    if (loop->name##_handles == handle) {                                     \ +      loop->name##_handles = handle->name##_next;                             \ +    }                                                                         \ +                                                                              \ +    /* Update the iterator-next pointer of needed */                          \ +    if (loop->next_##name##_handle == handle) {                               \ +      loop->next_##name##_handle = handle->name##_next;                       \ +    }                                                                         \ +                                                                              \ +    if (handle->name##_prev) {                                                \ +      handle->name##_prev->name##_next = handle->name##_next;                 \ +    }                                                                         \ +    if (handle->name##_next) {                                                \ +      handle->name##_next->name##_prev = handle->name##_prev;                 \ +    }                                                                         \ +                                                                              \ +    handle->flags &= ~UV_HANDLE_ACTIVE;                                       \ +    uv__handle_stop(handle);                                                  \ +                                                                              \ +    return 0;                                                                 \ +  }                                                                           \ +                                                                              \ +                                                                              \ +  void uv_##name##_invoke(uv_loop_t* loop) {                                  \ +    uv_##name##_t* handle;                                                    \ +                                                                              \ +    (loop)->next_##name##_handle = (loop)->name##_handles;                    \ +                                                                              \ +    while ((loop)->next_##name##_handle != NULL) {                            \ +      handle = (loop)->next_##name##_handle;                                  \ +      (loop)->next_##name##_handle = handle->name##_next;                     \ +                                                                              \ +      handle->name##_cb(handle, 0);                                           \ +    }                                                                         \ +  } + +UV_LOOP_WATCHER_DEFINE(prepare, PREPARE) +UV_LOOP_WATCHER_DEFINE(check, CHECK) +UV_LOOP_WATCHER_DEFINE(idle, IDLE)  | 
