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backport: re PR libgomp/45240 (parallel.c: GOMP_parallel_end locks a mutex but fails to unlock it after atomic operation complete) 

Backport from mainline
	2010-12-02  Jakub Jelinek  <jakub@redhat.com>

	PR libgomp/45240
	* parallel.c (GOMP_parallel_end): Unlock gomp_remaining_threads_lock
	at the end if sync builtins aren't supported.

From-SVN: r167560
This commit is contained in:
Jakub Jelinek 2010-12-07 19:59:03 +01:00 committed by Jakub Jelinek
parent bf101c01c7
commit 1206840905
2 changed files with 11 additions and 1 deletions
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9
libgomp/ChangeLog
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@ -1,3 +1,12 @@
2010-12-07 Jakub Jelinek <jakub@redhat.com>
Backport from mainline
2010-12-02 Jakub Jelinek <jakub@redhat.com>
PR libgomp/45240
* parallel.c (GOMP_parallel_end): Unlock gomp_remaining_threads_lock
at the end if sync builtins aren't supported.
2010-12-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
Backport from mainline:

3
libgomp/parallel.c
View File

@ -1,4 +1,4 @@
/* Copyright (C) 2005, 2007, 2008, 2009 Free Software Foundation, Inc.
/* Copyright (C) 2005, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
Contributed by Richard Henderson <rth@redhat.com>.
This file is part of the GNU OpenMP Library (libgomp).
@ -123,6 +123,7 @@ GOMP_parallel_end (void)
#else
gomp_mutex_lock (&gomp_remaining_threads_lock);
gomp_remaining_threads_count -= team->nthreads - 1;
gomp_mutex_unlock (&gomp_remaining_threads_lock);
#endif
}
}