blob: b5715c7a0cc32ec124733cb9aac7866f4a64ca05 (
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
|
/* vi: set sw=4 ts=4: */
/*
* fork() 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>
#if defined __ARCH_USE_MMU__
# include <unistd.h>
extern __typeof(fork) __libc_fork;
# if defined __NR_fork
# include <cancel.h>
# define __NR___libc_fork __NR_fork
_syscall0(pid_t, fork)
# elif defined __NR_clone && !defined __NR_fork
# include <sys/types.h>
# include <signal.h>
# include <stddef.h>
pid_t fork(void)
{
pid_t pid = INLINE_SYSCALL(clone, 4, SIGCHLD, NULL, NULL, NULL);
if (pid < 0)
return -1;
return pid;
}
# endif
# ifdef __UCLIBC_HAS_THREADS__
strong_alias(fork,__libc_fork)
libc_hidden_weak(fork)
# else
libc_hidden_def(fork)
# endif
#endif
|