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小編給大家分享一下PHP-pcntl怎么實(shí)現(xiàn)多進(jìn)程,相信大部分人都還不怎么了解,因此分享這篇文章給大家參考一下,希望大家閱讀完這篇文章后大有收獲,下面讓我們一起去了解一下吧!
代碼
<?php $arChildId = array(); for($i = 0; $i < 10; $i++) { $iPid = pcntl_fork(); if($iPid == -1) { die('can\'t be forked.'); } if($iPid) { # 主進(jìn)程邏輯 $arChildId[] = $iPid; } else { # 子進(jìn)程邏輯 $iPid = posix_getpid(); # 獲取子進(jìn)程的ID $iSeconds = rand(5, 30); echo '* Process '. $iPid. ' was created, and Executed, and Sleep '. $iSeconds. PHP_EOL; excuteProcess($iPid, $iSeconds); exit(); } } while(count($arChildId) > 0) { foreach($arChildId as $iKey=> $iPid) { $res = pcntl_waitpid($iPid, $status, WNOHANG); if($res == -1 || $res > 0) { unset($arChildId[$iKey]); echo '* Sub process: '. $iPid. ' exited with '. $status. PHP_EOL; } } } # 子進(jìn)程執(zhí)行的邏輯 function excuteProcess($iPid, $iSeconds) { file_put_contents('./log/'.$iPid.'.log', $iPid.PHP_EOL, FILE_APPEND); sleep($iSeconds); } ?>
運(yùn)行結(jié)果
* Process 16163 was created, and Executed, and Sleep 11 * Process 16164 was created, and Executed, and Sleep 21 * Process 16165 was created, and Executed, and Sleep 24 * Process 16166 was created, and Executed, and Sleep 27 * Process 16167 was created, and Executed, and Sleep 8 * Process 16168 was created, and Executed, and Sleep 14 * Process 16169 was created, and Executed, and Sleep 14 * Process 16170 was created, and Executed, and Sleep 26 * Process 16171 was created, and Executed, and Sleep 20 * Process 16172 was created, and Executed, and Sleep 21 * Sub process: 16167 exited with 0 * Sub process: 16163 exited with 0 * Sub process: 16169 exited with 0 * Sub process: 16168 exited with 0 * Sub process: 16171 exited with 0 * Sub process: 16164 exited with 0 * Sub process: 16172 exited with 0 * Sub process: 16165 exited with 0 * Sub process: 16170 exited with 0 * Sub process: 16166 exited with 0
以上是“PHP-pcntl怎么實(shí)現(xiàn)多進(jìn)程”這篇文章的所有內(nèi)容,感謝各位的閱讀!相信大家都有了一定的了解,希望分享的內(nèi)容對(duì)大家有所幫助,如果還想學(xué)習(xí)更多知識(shí),歡迎關(guān)注億速云行業(yè)資訊頻道!
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