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authorAlan Modra <amodra@gmail.com>2011-12-09 12:51:43 +1030
committerAlan Modra <amodra@gcc.gnu.org>2011-12-09 12:51:43 +1030
commitfbf7be801c91a75bfae7b43cd169620743ba1f52 (patch)
tree34b694493aa13f6544581b57928cb2b0a952d54a /libgomp/task.c
parent108ba412c4c375613a49bd02508fe1e776037576 (diff)
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re PR libgomp/51376 (libgomp taskwait failure)
PR libgomp/51376 * task.c (GOMP_taskwait): Don't access task->children outside of task_lock mutex region. (GOMP_task): Likewise. From-SVN: r182151
Diffstat (limited to 'libgomp/task.c')
-rw-r--r--libgomp/task.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/libgomp/task.c b/libgomp/task.c
index d3d72663f..4b75850 100644
--- a/libgomp/task.c
+++ b/libgomp/task.c
@@ -116,10 +116,11 @@ GOMP_task (void (*fn) (void *), void *data, void (*cpyfn) (void *, void *),
}
else
fn (data);
- if (task.children)
+ if (team != NULL)
{
gomp_mutex_lock (&team->task_lock);
- gomp_clear_parent (task.children);
+ if (task.children != NULL)
+ gomp_clear_parent (task.children);
gomp_mutex_unlock (&team->task_lock);
}
gomp_end_task ();
@@ -290,8 +291,9 @@ GOMP_taskwait (void)
struct gomp_task *child_task = NULL;
struct gomp_task *to_free = NULL;
- if (task == NULL || task->children == NULL)
+ if (task == NULL || team == NULL)
return;
+
gomp_mutex_lock (&team->task_lock);
while (1)
{