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/* 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)
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