我使用的羊羣()函數來檢查腳本的另一個實例已通過獲取上的臨時文件的鎖定運行,所以下一個實例應該檢查,如果該文件沒有被鎖定,否則停止 <?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代碼(僞代碼在這裏): 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
在這種情況下我