SIG_ERR           216 ext/pcntl/pcntl.c 	REGISTER_LONG_CONSTANT("SIG_ERR",  (long) SIG_ERR, CONST_CS | CONST_PERSISTENT);
SIG_ERR           876 ext/pcntl/pcntl.c 		if (php_signal(signo, (Sigfunc *) Z_LVAL_P(handle), (int) restart_syscalls) == SIG_ERR) {
SIG_ERR           897 ext/pcntl/pcntl.c 	if (php_signal4(signo, pcntl_signal_handler, (int) restart_syscalls, 1) == SIG_ERR) {
SIG_ERR            56 ext/pcntl/php_signal.c 		return SIG_ERR;
SIG_ERR           365 ext/standard/mail.c 	if (sig_handler == SIG_ERR) {