blob: 43c52bc4c0c8e9d28455611697e686b714ccf23e (
plain) (
blame)
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
|
#include <unistd.h>
#include <string.h>
#include <signal.h>
#include "syscall.h"
#include "libc.h"
#include "pthread_impl.h"
static void dummy(int x)
{
}
weak_alias(dummy, __fork_handler);
pid_t fork(void)
{
pid_t ret;
sigset_t set;
__fork_handler(-1);
__block_all_sigs(&set);
#ifdef SYS_fork
ret = syscall(SYS_fork);
#else
ret = syscall(SYS_clone, SIGCHLD, 0);
#endif
if (libc.has_thread_pointer && !ret) {
pthread_t self = __pthread_self();
self->tid = __syscall(SYS_gettid);
memset(&self->robust_list, 0, sizeof self->robust_list);
libc.threads_minus_1 = 0;
}
__restore_sigs(&set);
__fork_handler(!ret);
return ret;
}
|
