-
-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);