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
47
48
49
|
/* 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 __UCLIBC_HAS_THREADS_NATIVE__
#include <sysdep-cancel.h>
#endif
libc_hidden_proto(ioctl)
extern __typeof(tcdrain) __libc_tcdrain;
/* Wait for pending output to be written on FD. */
int __libc_tcdrain (int fd)
{
#ifdef __UCLIBC_HAS_THREADS_NATIVE__
if (SINGLE_THREAD_P)
/* With an argument of 1, TCSBRK for output to be drain. */
return INLINE_SYSCALL (ioctl, 3, fd, TCSBRK, 1);
int oldtype = LIBC_CANCEL_ASYNC ();
/* With an argument of 1, TCSBRK for output to be drain. */
int result = INLINE_SYSCALL (ioctl, 3, fd, TCSBRK, 1);
LIBC_CANCEL_RESET (oldtype);
return result;
#else
return ioctl(fd, TCSBRK, 1);
#endif
}
weak_alias(__libc_tcdrain,tcdrain)
|