Mesa (master): mesa/glthread: correctly compare thread handles

[Emil Velikov]

Module: Mesa
Branch: master
Commit: 52df318d61f4892dbbaa8f0da4787f25caf1b0d1
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=52df318d61f4892dbbaa8f0da4787f25caf1b0d1

Author: Emil Velikov <emil.velikov at collabora.com>
Date:   Thu Apr 20 16:24:08 2017 +0100

mesa/glthread: correctly compare thread handles

As mentioned in the manual - comparing pthread_t handles via the C
comparison operator is incorrect and pthread_equal() should be used
instead.

Cc: Timothy Arceri <tarceri at itsqueeze.com>
Fixes: d8d81fbc316 ("mesa: Add infrastructure for a worker thread to process GL commands.")
Signed-off-by: Emil Velikov <emil.velikov at collabora.com>
Reviewed-by: Plamena Manolova <plamena.manolova at intel.com>
Reviewed-by: Brian Paul <brianp at vmware.com>
Reviewed-by: Eric Anholt <eric at anholt.net>

---

 src/mesa/main/glthread.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/mesa/main/glthread.c b/src/mesa/main/glthread.c
index c4d3f4a434..455b829cd8 100644
--- a/src/mesa/main/glthread.c
+++ b/src/mesa/main/glthread.c
@@ -265,7 +265,7 @@ _mesa_glthread_finish(struct gl_context *ctx)
     * dri interface entrypoints), in which case we don't need to actually
     * synchronize against ourself.
     */
-   if (pthread_self() == glthread->thread)
+   if (pthread_equal(pthread_self(), glthread->thread))
       return;
 
    pthread_mutex_lock(&glthread->mutex);