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#include <signal.h>
#include "syscall.h"
#include "libc.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;
/* Quickly mask out bits 32 and 33 (thread control signals) */
if (0 && how != SIG_UNBLOCK && (set->__bits[4/sizeof *set->__bits] & 3UL<<(32&8*sizeof *set->__bits-1))) {
tmp = *set;
set = &tmp;
tmp.__bits[4/sizeof *set->__bits] &= ~(3UL<<(32&8*sizeof *set->__bits-1));
}
return __libc_sigprocmask(how, set, old);
}
weak_alias(__sigprocmask, sigprocmask);
weak_alias(__sigprocmask, pthread_sigmask);
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