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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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| 
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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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| 
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