SIG_UNBLOCK
if (sigprocmask(SIG_UNBLOCK, &sig_mask, NULL) < 0)
if (sigprocmask(on ? SIG_UNBLOCK : SIG_BLOCK, &sigset, NULL) < 0)
if (sigprocmask(enable ? SIG_UNBLOCK : SIG_BLOCK, &sigset, NULL) < 0)
sigprocmask(SIG_UNBLOCK, &set, NULL);
sigprocmask(SIG_UNBLOCK, &sig, 0);
sigprocmask(SIG_UNBLOCK, &hupmask, NULL);
#ifndef SIG_UNBLOCK
case SIG_UNBLOCK:
case SIG_UNBLOCK:
case SIG_UNBLOCK:
if (sigprocmask(SIG_UNBLOCK, &mask, NULL)) {
pthread_sigmask(SIG_UNBLOCK, &set, NULL);
sigprocmask(SIG_UNBLOCK, &sa.sa_mask, NULL);
sigprocmask(SIG_UNBLOCK, &sset, NULL);
ret = sigprocmask(SIG_UNBLOCK, &mask, NULL);
if (sigprocmask(SIG_UNBLOCK, &set, NULL))
if (sigprocmask(SIG_UNBLOCK, &set, NULL))
if (sigprocmask(SIG_UNBLOCK, &set, NULL))
if (sigprocmask(SIG_UNBLOCK, &set, NULL))
if (sigprocmask(SIG_UNBLOCK, &set, NULL))
signal_blocking(SIG_UNBLOCK);