If the mutex is currently unlocked you'll get the lock, and this function will return zero.
如果互斥对象当前处于解锁状态,那么您将获得该锁并且函数将返回零。
2
That means the combination of those tools can still be used to capture information about any kind of DB2 event associated with a SQL code or a DB2 internal return code, not just lock timeouts.