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
|
#include <signal.h>
#include "syscall.h"
#include "libc.h"
#include "pthread_impl.h"
int __libc_sigprocmask(int how, const sigset_t *set, sigset_t *old)
{
return syscall4(__NR_rt_sigprocmask, how, (long)set, (long)old, 8);
}
int __sigprocmask(int how, const sigset_t *set, sigset_t *old)
{
sigset_t tmp;
/* Disallow blocking thread control signals */
if (set && how != SIG_UNBLOCK) {
tmp = *set;
set = &tmp;
sigdelset(&tmp, SIGCANCEL);
sigdelset(&tmp, SIGSYSCALL);
}
return __libc_sigprocmask(how, set, old);
}
weak_alias(__sigprocmask, sigprocmask);
weak_alias(__sigprocmask, pthread_sigmask);
|
