php_signal4       897 ext/pcntl/pcntl.c 	if (php_signal4(signo, pcntl_signal_handler, (int) restart_syscalls, 1) == SIG_ERR) {
php_signal4        64 ext/pcntl/php_signal.c 	return php_signal4(signo, func, restart, 0);
php_signal4        34 ext/pcntl/php_signal.h Sigfunc *php_signal4(int signo, Sigfunc *func, int restart, int mask_all);