/** * Handler of the SIGQUIT (graceful shutdown) signal in worker process. * @return void */ protected function sigquit() { if (Daemon::$config->logsignals->value) { $this->log('caught SIGQUIT.'); } parent::sigquit(); }
/** * Stop script. * @param int $mode * @return void */ public static function stop($mode = 1) { //SIGTSTP 停止(stopped)进程的执行. 注意它和terminate以及interrupt的区别:该进程还未结束, 只是暂停执行. 本信号不能被阻塞, 处理或忽略. //SIGINT 程序终止(interrupt)信号, 在用户键入INTR字符(通常是Ctrl-C)时发出,用于通知前台进程组终止进程。 //SIGTERM 程序结束(terminate)信号, 与SIGKILL不同的是该信号可以被阻塞和处理。通常用来要求程序自己正常退出,shell命令kill缺省产生这个信号。如果进程终止不了,我们才会尝试SIGKILL $ok = Bootstrap::$pid && posix_kill(Bootstrap::$pid, $mode === 3 ? SIGINT : ($mode === 4 ? SIGTSTP : SIGTERM)); if (!$ok) { echo '[WARN]. It seems that phpDaemon is not running' . (Bootstrap::$pid ? ' (PID ' . Bootstrap::$pid . ')' : '') . ".\n"; } if ($ok && $mode > 1) { $i = 0; while ($r = Thread\Generic::ifExistsByPid(Bootstrap::$pid)) { usleep(10000); ++$i; } } }
/** * Stop script. * @param int $mode * @return void */ public static function stop($mode = 1) { $ok = Bootstrap::$pid && posix_kill(Bootstrap::$pid, $mode === 3 ? SIGINT : ($mode === 4 ? SIGTSTP : SIGTERM)); if (!$ok) { echo '[WARN]. It seems that phpDaemon is not running' . (Bootstrap::$pid ? ' (PID ' . Bootstrap::$pid . ')' : '') . ".\n"; } if ($ok && $mode > 1) { $i = 0; while ($r = Thread\Generic::ifExistsByPid(Bootstrap::$pid)) { usleep(10000); ++$i; } } }
/** * Handler for the SIGCHLD (child is dead) signal in master process. * @return void */ protected function sigchld() { if (Daemon::$config->logsignals->value) { $this->log('Caught SIGCHLD.'); } parent::sigchld(); }