| /* Copyright (C) 1995-2014 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| The GNU C Library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library; if not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include <errno.h> |
| #include <termios.h> |
| #include <sys/ioctl.h> |
| #include <sysdep-cancel.h> |
| |
| /* Wait for pending output to be written on FD. */ |
| int |
| __libc_tcdrain (int fd) |
| { |
| if (SINGLE_THREAD_P) |
| /* With an argument of 1, TCSBRK for output to be drain. */ |
| return INLINE_SYSCALL (ioctl, 3, fd, TCSBRK, 1); |
| |
| int oldtype = LIBC_CANCEL_ASYNC (); |
| |
| /* With an argument of 1, TCSBRK for output to be drain. */ |
| int result = INLINE_SYSCALL (ioctl, 3, fd, TCSBRK, 1); |
| |
| LIBC_CANCEL_RESET (oldtype); |
| |
| return result; |
| } |
| weak_alias (__libc_tcdrain, tcdrain) |
