mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-06 13:20:06 +00:00
038ebe2459
Fri Jan 17 14:16:28 1997 Thomas Bushnell, n/BSG <thomas@gnu.ai.mit.edu> * stdio/vdprintf.c: Moved file to ... * sysdeps/posix/vdprintf.c: Here. De-ansideclificate. * sysdeps/stub/vdprintf.c: New file. * sysdeps/mach/hurd/vdprintf.c: New file.
57 lines
1.8 KiB
C
57 lines
1.8 KiB
C
/* Copyright (C) 1991, 1992, 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 <signal.h>
|
|
#include <termios.h>
|
|
#include <unistd.h>
|
|
#include "bsdtty.h"
|
|
#include <sys/file.h>
|
|
#include <sys/time.h>
|
|
#include <sys/types.h>
|
|
|
|
/* Send zero bits on FD. */
|
|
int
|
|
tcsendbreak (fd, duration)
|
|
int fd;
|
|
int duration;
|
|
{
|
|
struct timeval delay;
|
|
|
|
/* The break lasts 0.25 to 0.5 seconds if DURATION is zero,
|
|
and an implementation-defined period if DURATION is nonzero.
|
|
We define a positive DURATION to be number of microseconds to break. */
|
|
if (duration <= 0)
|
|
duration = 400000;
|
|
|
|
delay.tv_sec = 0;
|
|
delay.tv_usec = duration;
|
|
|
|
/* Starting sending break. */
|
|
if (__ioctl (fd, TIOCSBRK, (void *) NULL) < 0)
|
|
return -1;
|
|
|
|
/* Wait DURATION microseconds. */
|
|
(void) __select (0, (fd_set *) NULL, (fd_set *) NULL, (fd_set *) NULL,
|
|
&delay);
|
|
|
|
/* Turn off the break. */
|
|
return __ioctl (fd, TIOCCBRK, (void *) NULL);
|
|
}
|