phplock

2008年11月28日 — Memcache also provides an atomic add function and thus can also be used with this technique - which is one method of locking between hosts.

2010年9月15日 — The flock function follows the semantics of the Unix system call bearing the same name. Flock utilizes ADVISORY locking only; that is, other ...

php-lock/lock ... This library helps executing critical code in concurrent situations. php-lock/lock follows semantic versioning. Read more on semver.org.

LOCK_SH - A shared lock (reader). Allow other processes to access the file; LOCK_EX - An exclusive lock (writer). Prevent other processes from accessing the ...

参数, 描述. file, 必需。规定要锁定或释放的已打开的文件。 lock, 必需。规定要使用哪种锁定类型。 block, 可选。若设置为1 或true，则当进行锁定时阻挡其他进程。

Description ¶ ... Obtains an exclusive lock on a SyncMutex object. If the lock is already acquired, then this increments an internal counter.

php-lock is a library that makes locking on resources easy. It can be used to avoid access to a file during write operations or to prevent crontabs to ...

2016年6月29日 — lock參數可以是以下值之一：要取得共享鎖定（讀取的程序），將lock設為LOCK_SH（PHP 4.0.1以前的版本設置為1）。要取得獨占鎖定（寫入的程序）， ...

2022年5月25日 — “鎖( Lock )的介紹與死鎖分析” is published by Team PHP Laravel in TWJOIN 哲煜科技| 台灣| 客製化軟體應用解決方案供應者.