summaryrefslogtreecommitdiff
path: root/libc/sysdeps/linux/common/select.c
blob: 71a4990ab1768c4fb0058cd13d874643540f8744 (plain)
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
/* vi: set sw=4 ts=4: */
/*
 * select() for uClibc
 *
 * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
 *
 * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
 */

#include <sys/syscall.h>
#include <sys/select.h>

extern __typeof(select) __libc_select;

#if !defined(__NR__newselect) && !defined(__NR_select) && defined __USE_XOPEN2K
# define __NR___libc_pselect6 __NR_pselect6
_syscall6(int, __libc_pselect6, int, n, fd_set *, readfds, fd_set *, writefds,
	fd_set *, exceptfds, const struct timespec *, timeout,
	const sigset_t *, sigmask);

int __libc_select(int n, fd_set *readfds, fd_set *writefds, fd_set *exceptfds,
                  struct timeval *timeout)
{
	struct timespec _ts, *ts = 0;
	if (timeout) {
		_ts.tv_sec = timeout->tv_sec;
		_ts.tv_nsec = timeout->tv_usec * 1000;
		ts = &_ts;
	}
	return __libc_pselect6(n, readfds, writefds, exceptfds, ts, 0);
}

#else

#ifdef __NR__newselect
# define __NR___libc_select __NR__newselect
#else
# define __NR___libc_select __NR_select
#endif
_syscall5(int, __libc_select, int, n, fd_set *, readfds, fd_set *, writefds,
		  fd_set *, exceptfds, struct timeval *, timeout);

#endif

libc_hidden_proto(select)
weak_alias(__libc_select,select)
libc_hidden_weak(select)