zend_sigaction    241 Zend/zend_signal.c 	return zend_sigaction(signo, &sa, NULL TSRMLS_CC);
zend_sigaction     92 Zend/zend_signal.h ZEND_API int zend_sigaction(int signo, const struct sigaction *act, struct sigaction *oldact TSRMLS_DC);
zend_sigaction     51 ext/pcntl/php_signal.c 	if (zend_sigaction(signo, &act, &oact TSRMLS_CC) < 0)