Subject: Re: Unlocking an unlocked mutex
To: Vincent <email@example.com>
From: Jason Thorpe <firstname.lastname@example.org>
Date: 10/12/2005 20:13:34
On Oct 12, 2005, at 1:12 PM, Vincent wrote:
> wxvlc: Error detected by libpthread: Unlocking unlocked mutex.
> Detected by file "pthread_mutex.c", line 345, function
> "pthread_mutex_unlock". See pthread(3) for information.
> I was wondering if unlocking an (already) unlocked mutex *really*
> deserves an error, or if it could just be turned into a non-fatal
> warning or whatever. Obviously, this is not as critical as trying
> to unlock another thread's mutex.
Yes, it's really an error. IMO, the thread library should abort on
such errors. It indicates that the app modified a data structure it
thought was locked, but in fact was not.