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31 lines
612 B
PHP
Executable File
31 lines
612 B
PHP
Executable File
<?php
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/**
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* SWOOLE_MUTEX 互斥锁
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* SWOOLE_FILELOCK 文件锁，需要在第二个参数传入一个锁文件
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* SWOOLE_SPINLOCK 自旋锁(请查看swoole扩展信息，检测是否支持)
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* SWOOLE_SEM 信号量
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* SWOOLE_RWLOCK 读写锁
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*/
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$lock = new swoole_lock(SWOOLE_MUTEX);
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echo "[Master]create lock\n";
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$lock->lock();
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if (pcntl_fork() > 0)
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{
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sleep(1);
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$lock->unlock();
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}
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else
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{
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echo "[Child] Wait Lock\n";
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$lock->lock();
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echo "[Child] Get Lock\n";
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$lock->unlock();
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exit("[Child] exit\n");
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}
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echo "[Master]release lock\n";
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unset($lock);
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sleep(1);
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echo "[Master]exit\n";
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