SIG_ERR 230 ext/pcntl/pcntl.c REGISTER_LONG_CONSTANT("SIG_ERR", (zend_long) SIG_ERR, CONST_CS | CONST_PERSISTENT); SIG_ERR 983 ext/pcntl/pcntl.c if (php_signal(signo, (Sigfunc *) Z_LVAL_P(handle), (int) restart_syscalls) == SIG_ERR) { SIG_ERR 1005 ext/pcntl/pcntl.c if (php_signal4(signo, pcntl_signal_handler, (int) restart_syscalls, 1) == SIG_ERR) { SIG_ERR 55 ext/pcntl/php_signal.c return SIG_ERR; SIG_ERR 366 ext/standard/mail.c if (sig_handler == SIG_ERR) {