SIGHUP             63 Zend/zend_signal.c static int zend_sigs[] = { TIMEOUT_SIG, SIGHUP, SIGINT, SIGQUIT, SIGTERM, SIGUSR1, SIGUSR2 };
SIGHUP            217 ext/pcntl/pcntl.c 	REGISTER_LONG_CONSTANT("SIGHUP",   (long) SIGHUP,  CONST_CS | CONST_PERSISTENT);
SIGHUP             26 sapi/fpm/fpm/fpm_signals.c #ifdef SIGHUP
SIGHUP             27 sapi/fpm/fpm/fpm_signals.c 	[SIGHUP] 		= "SIGHUP",