uclibc-ng/libc/termios/tcdrain.c

/* Copyright (C) 1995, 1996, 1997, 2002 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, write to the Free
   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   02111-1307 USA.  */

#include <errno.h>
#include <termios.h>
#include <sys/ioctl.h>

#ifdef __LINUXTHREADS_OLD__
extern __typeof(tcdrain) weak_function tcdrain;
strong_alias(tcdrain,__libc_tcdrain)
#endif

/* Wait for pending output to be written on FD.  */
int tcdrain(int fd)
{
	return ioctl(fd, TCSBRK, 1);
}