Re: 0.60 hangs at pthread_mutex_lock

Kevin Atkinson <[email protected]>
Newsgroups gmane.comp.gnu.aspell.devel
Message-ID <Pine.LNX.4.44.0404261733270.1684-100000@kevin-p3.atkinson.dhs.org>
On Mon, 26 Apr 2004, James Lee wrote:

> Both get_cache_data methods in cache_t.hpp call the mutex lock
> a second time without unlocking. The first lock is on entry and
> the second from copy. This happens when the lock of n is the
> same as that of cache. The mutex will not unlock as the thread
> locked it itself, hence the thread thread blocks on the second
> lock.

Could I have a test cast that will trigger the problem?  It may be 
necessary to use a recursive lock but that will be a pain.  Especially 
since I will have to implement one myself since the pthread library does 
not guarantee the availability of one.

-- 
http://kevin.atkinson.dhs.org
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