SIG_BLOCK
if (sigprocmask(SIG_BLOCK, &no_sigio, &old))
if (sigprocmask(on ? SIG_UNBLOCK : SIG_BLOCK, &sigset, NULL) < 0)
if (sigprocmask(enable ? SIG_UNBLOCK : SIG_BLOCK, &sigset, NULL) < 0)
sigprocmask(SIG_BLOCK, &set, NULL);
if (!sigprocmask(SIG_BLOCK, &all, &old)) {
sigprocmask(SIG_BLOCK, &mask, oldset);
sigprocmask(SIG_BLOCK, &hupmask, NULL);
rc = sigprocmask(SIG_BLOCK, &blocked, oldset);
sigprocmask(SIG_BLOCK, &mask, &oldmask);
#ifndef SIG_BLOCK
case SIG_BLOCK:
case SIG_BLOCK:
case SIG_BLOCK:
if (sigprocmask(SIG_BLOCK, &st, NULL) < 0)
sigprocmask(SIG_BLOCK, &sigset, NULL);
if (sigprocmask(SIG_BLOCK, &mask, NULL) == -1)
sigprocmask(SIG_BLOCK, &set, &oset);
pthread_sigmask(SIG_BLOCK, &set, NULL);
sigprocmask(SIG_BLOCK, &sig_set, NULL);
ret = sigprocmask(SIG_BLOCK, &mask, NULL);
sigprocmask(SIG_BLOCK, &blockmask, NULL);
if (sigprocmask(SIG_BLOCK, &set, &oldset))
if (sigprocmask(SIG_BLOCK, &set, NULL))
if (sigprocmask(SIG_BLOCK, &set, NULL))
if (sigprocmask(SIG_BLOCK, &set, NULL))
if (sigprocmask(SIG_BLOCK, &set, NULL))
if (sigprocmask(SIG_BLOCK, &set, NULL))
if (sigprocmask(SIG_BLOCK, &set, NULL))
ret = sigprocmask(SIG_BLOCK, &mask, &orig_mask);
if (sigprocmask(SIG_BLOCK, &mask, NULL)) {
signal_blocking(SIG_BLOCK);