diff options
Diffstat (limited to 'third-party/libuv/src/unix/tty.c')
| -rw-r--r-- | third-party/libuv/src/unix/tty.c | 184 |
1 files changed, 0 insertions, 184 deletions
diff --git a/third-party/libuv/src/unix/tty.c b/third-party/libuv/src/unix/tty.c deleted file mode 100644 index ca9459dd0d..0000000000 --- a/third-party/libuv/src/unix/tty.c +++ /dev/null @@ -1,184 +0,0 @@ -/* 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 "uv.h" -#include "internal.h" -#include "spinlock.h" - -#include <assert.h> -#include <unistd.h> -#include <termios.h> -#include <errno.h> -#include <sys/ioctl.h> - -static int orig_termios_fd = -1; -static struct termios orig_termios; -static uv_spinlock_t termios_spinlock = UV_SPINLOCK_INITIALIZER; - - -int uv_tty_init(uv_loop_t* loop, uv_tty_t* tty, int fd, int readable) { - uv__stream_init(loop, (uv_stream_t*)tty, UV_TTY); - -#if defined(__APPLE__) - { - int err = uv__stream_try_select((uv_stream_t*) tty, &fd); - if (err) - return err; - } -#endif /* defined(__APPLE__) */ - - if (readable) { - uv__nonblock(fd, 1); - uv__stream_open((uv_stream_t*)tty, fd, UV_STREAM_READABLE); - } else { - /* Note: writable tty we set to blocking mode. */ - uv__stream_open((uv_stream_t*)tty, fd, UV_STREAM_WRITABLE); - tty->flags |= UV_STREAM_BLOCKING; - } - - tty->mode = 0; - return 0; -} - - -int uv_tty_set_mode(uv_tty_t* tty, int mode) { - struct termios raw; - int fd; - - fd = uv__stream_fd(tty); - - if (mode && tty->mode == 0) { /* on */ - if (tcgetattr(fd, &tty->orig_termios)) - return -errno; - - /* This is used for uv_tty_reset_mode() */ - uv_spinlock_lock(&termios_spinlock); - if (orig_termios_fd == -1) { - orig_termios = tty->orig_termios; - orig_termios_fd = fd; - } - uv_spinlock_unlock(&termios_spinlock); - - raw = tty->orig_termios; - raw.c_iflag &= ~(BRKINT | ICRNL | INPCK | ISTRIP | IXON); - raw.c_oflag |= (ONLCR); - raw.c_cflag |= (CS8); - raw.c_lflag &= ~(ECHO | ICANON | IEXTEN | ISIG); - raw.c_cc[VMIN] = 1; - raw.c_cc[VTIME] = 0; - - /* Put terminal in raw mode after draining */ - if (tcsetattr(fd, TCSADRAIN, &raw)) - return -errno; - - tty->mode = 1; - } else if (mode == 0 && tty->mode) { /* off */ - /* Put terminal in original mode after flushing */ - if (tcsetattr(fd, TCSAFLUSH, &tty->orig_termios)) - return -errno; - tty->mode = 0; - } - - return 0; -} - - -int uv_tty_get_winsize(uv_tty_t* tty, int* width, int* height) { - struct winsize ws; - - if (ioctl(uv__stream_fd(tty), TIOCGWINSZ, &ws)) - return -errno; - - *width = ws.ws_col; - *height = ws.ws_row; - - return 0; -} - - -uv_handle_type uv_guess_handle(uv_file file) { - struct sockaddr sa; - struct stat s; - socklen_t len; - int type; - - if (file < 0) - return UV_UNKNOWN_HANDLE; - - if (isatty(file)) - return UV_TTY; - - if (fstat(file, &s)) - return UV_UNKNOWN_HANDLE; - - if (S_ISREG(s.st_mode)) - return UV_FILE; - - if (S_ISCHR(s.st_mode)) - return UV_FILE; /* XXX UV_NAMED_PIPE? */ - - if (S_ISFIFO(s.st_mode)) - return UV_NAMED_PIPE; - - if (!S_ISSOCK(s.st_mode)) - return UV_UNKNOWN_HANDLE; - - len = sizeof(type); - if (getsockopt(file, SOL_SOCKET, SO_TYPE, &type, &len)) - return UV_UNKNOWN_HANDLE; - - len = sizeof(sa); - if (getsockname(file, &sa, &len)) - return UV_UNKNOWN_HANDLE; - - if (type == SOCK_DGRAM) - if (sa.sa_family == AF_INET || sa.sa_family == AF_INET6) - return UV_UDP; - - if (type == SOCK_STREAM) { - if (sa.sa_family == AF_INET || sa.sa_family == AF_INET6) - return UV_TCP; - if (sa.sa_family == AF_UNIX) - return UV_NAMED_PIPE; - } - - return UV_UNKNOWN_HANDLE; -} - - -/* This function is async signal-safe, meaning that it's safe to call from - * inside a signal handler _unless_ execution was inside uv_tty_set_mode()'s - * critical section when the signal was raised. - */ -int uv_tty_reset_mode(void) { - int err; - - if (!uv_spinlock_trylock(&termios_spinlock)) - return -EBUSY; /* In uv_tty_set_mode(). */ - - err = 0; - if (orig_termios_fd != -1) - if (tcsetattr(orig_termios_fd, TCSANOW, &orig_termios)) - err = -errno; - - uv_spinlock_unlock(&termios_spinlock); - return err; -} |