php 信号处理

PHP信号处理示例

最新推荐文章于 2025-09-12 18:43:55 发布

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最新推荐文章于 2025-09-12 18:43:55 发布

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文章标签： php python

原文链接：https://my.oschina.net/u/347414/blog/787754

2019独角兽企业重金招聘Python工程师标准>>>

<?php
// tick use required as of PHP 4.3.0
declare(ticks = 1);

// signal handler function
function sig_handler($signo)
{

     switch ($signo) {
         case SIGTERM:
             // handle shutdown tasks
             exit;
             break;
         case SIGHUP:
             // handle restart tasks
             break;
         case SIGUSR1:
             echo "Caught SIGUSR1...\n";
             break;
         default:
             // handle all other signals
     }

}

echo "Installing signal handler...\n";

// setup signal handlers
pcntl_signal(SIGTERM, "sig_handler");
pcntl_signal(SIGHUP,  "sig_handler");
pcntl_signal(SIGUSR1, "sig_handler");

// or use an object, available as of PHP 4.3.0
// pcntl_signal(SIGUSR1, array($obj, "do_something"));

echo"Generating signal SIGUSR1 to self...\n";

// send SIGUSR1 to current process id
// posix_* functions require the posix extension
posix_kill(posix_getpid(), SIGUSR1);

echo "Done\n";

?>

转载于:https://my.oschina.net/u/347414/blog/787754