mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-06 13:20:06 +00:00
39 lines
1.4 KiB
C
39 lines
1.4 KiB
C
/* Copyright (C) 1991, 1996, 1997 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 Library General Public License as
|
|
published by the Free Software Foundation; either version 2 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
|
|
Library General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Library General Public
|
|
License along with the GNU C Library; see the file COPYING.LIB. If not,
|
|
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
Boston, MA 02111-1307, USA. */
|
|
|
|
#include <errno.h>
|
|
#include <stddef.h>
|
|
#include <termios.h>
|
|
#include <unistd.h>
|
|
|
|
#include "bsdtty.h"
|
|
|
|
/* Wait for pending output to be written on FD. */
|
|
int
|
|
__libc_tcdrain (int fd)
|
|
{
|
|
/* The TIOCSETP control waits for pending output to be written before
|
|
affecting its changes, so we use that without changing anything. */
|
|
struct sgttyb b;
|
|
if (__ioctl (fd, TIOCGETP, (void *) &b) < 0 ||
|
|
__ioctl (fd, TIOCSETP, (void *) &b) < 0)
|
|
return -1;
|
|
return 0;
|
|
}
|
|
weak_alias (__libc_tcdrain, tcdrain)
|