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
|
/* 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>
#ifdef __UCLIBC_HAS_THREADS_NATIVE__
#include <sysdep-cancel.h>
#else
#define SINGLE_THREAD_P 1
#endif
libc_hidden_proto(select)
#ifdef __NR__newselect
# undef __NR_select
# define __NR_select __NR__newselect
#endif
#define __NR___syscall_select __NR_select
static inline _syscall5(int, __syscall_select, int, n, fd_set *, readfds,
fd_set *, writefds, fd_set *, exceptfds, struct timeval *, timeout);
int select(int n, fd_set * readfds, fd_set * writefds, fd_set * exceptfds,
struct timeval * timeout)
{
if (SINGLE_THREAD_P)
return __syscall_select(n, readfds, writefds, exceptfds, timeout);
#ifdef __UCLIBC_HAS_THREADS_NATIVE__
int oldtype = LIBC_CANCEL_ASYNC ();
int result = __syscall_select(n, readfds, writefds, exceptfds, timeout);
LIBC_CANCEL_RESET (oldtype);
return result;
#endif
}
libc_hidden_def(select)
|
