Project

General

Profile

Statistics
| Branch: | Revision:

scoutos / prex-0.9.0 / usr / lib / libc / termios / tcsendbreak.c @ 03e9c04a

History | View | Annotate | Download (1.96 KB)

1
/*-
2
 * Copyright (c) 1989, 1993
3
 *        The Regents of the University of California.  All rights reserved.
4
 *
5
 * Redistribution and use in source and binary forms, with or without
6
 * modification, are permitted provided that the following conditions
7
 * are met:
8
 * 1. Redistributions of source code must retain the above copyright
9
 *    notice, this list of conditions and the following disclaimer.
10
 * 2. Redistributions in binary form must reproduce the above copyright
11
 *    notice, this list of conditions and the following disclaimer in the
12
 *    documentation and/or other materials provided with the distribution.
13
 * 3. Neither the name of the University nor the names of its contributors
14
 *    may be used to endorse or promote products derived from this software
15
 *    without specific prior written permission.
16
 *
17
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27
 * SUCH DAMAGE.
28
 */
29

    
30
#include <sys/types.h>
31
#include <sys/ioctl.h>
32
#include <sys/time.h>
33
#include <termios.h>
34
#include <unistd.h>
35

    
36
int
37
tcsendbreak(fd, len)
38
        int fd, len;
39
{
40
#if 0 /* PREX */
41
        struct timeval sleepytime;
42

43
        sleepytime.tv_sec = 0;
44
        sleepytime.tv_usec = 400000;
45
        if (ioctl(fd, TIOCSBRK, 0) == -1)
46
                return (-1);
47
        (void)select(0, 0, 0, 0, &sleepytime);
48
        if (ioctl(fd, TIOCCBRK, 0) == -1)
49
                return (-1);
50
#endif
51
        return (0);
52
}