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From Justin Erenkrantz <jus...@erenkrantz.com>
Subject [PATCH] Strawman at fixing disjoint process locking
Date Fri, 04 Jun 2004 09:31:48 GMT
I took a look at the locking problem, and I think it can be fixed rather
trivially.  This is a minor problem in that it only affects the case where the
child doesn't share memory addresses - such as when happens by using 
apr_proc_create.  Hence, adding an 'apr_*_mutex_join' could solve the problem.

Here's my 2am approach for solving this - now the testglobalmutex passes for
FCNTL on Solaris.  The others would need 'stub' implementations for join 
implemented - or their join could call create if no special work is needed.

But, now that I understand the problem, I still don't see why this would be
considered a 1.0 showstopper.  It can be fixed in 1.1 quite easily without
breaking any existing API calls.  I will leave it to those who care to finish
this patch, if they so desire...  -- justin
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