dbplus_getlock

(4.1.0 - 4.2.3 only)

dbplus_getlock -- Get a write lock on a tuple

Description

int dbplus_getlock ( resource relation, string tname)

切記!

This function is EXPERIMENTAL. That means, that the behaviour of this function, this function name, in concreto ANYTHING documented here can change in a future release of PHP WITHOUT NOTICE. Be warned, and use this function at your own risk.

dbplus_getlock() will request a write lock on the specified tuple. It will return zero on success or a non-zero error code, especially DBPLUS_ERR_WLOCKED, on failure.

See also dbplus_freelock(), dbplus_freerlocks(), and dbplus_freealllocks().