1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
|
/* Copyright (C) 1992, 1996, 1997, 2005 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 <stddef.h>
#include <termios.h>
#include <unistd.h>
#include <sys/ioctl.h>
#include <sysv_termio.h>
/* Suspend or restart transmission on FD. */
int
tcflow (fd, action)
int fd;
int action;
{
switch (action)
{
case TCOOFF:
return __ioctl (fd, _TCXONC, 0);
case TCOON:
return __ioctl (fd, _TCXONC, 1);
case TCIOFF:
return __ioctl (fd, _TCXONC, 2);
case TCION:
return __ioctl (fd, _TCXONC, 3);
default:
__set_errno (EINVAL);
return -1;
}
}
|
