我使用的羊群()函数来检查脚本的另一个实例已通过获取上的临时文件的锁定运行,所以下一个实例应该检查,如果该文件没有被锁定,否则停止 <?php
$fp = fopen("/var/tmp/your.lock", "w");
if (!flock($fp, LOCK_EX|LOCK_NB)) { // try to get exclusive lock, non-blocking
d
想象一下下面的Perl代码(伪代码在这里): successfully acquired flock for FILEHANDLER # line 1
some error or maybe simply a call to exit() # line 2
close FILEHANDLER (which also releases the lock) # line 3
在这种情况下我