util: thread: Fix missing preprocessor

This corrects that thread header is missing preprocessor define to prevent
including it multiple times.

Change-Id: Ic66e09df0759cbd72e03979861485fe1961b80f7
Signed-off-by: Dongwoo Lee <dwlee08@gmail.com>

diff --git a/include/util/thread.h b/include/util/thread.h
index 0f13200749d65264856b8fdc37022566bb4ba3b1..6d63fb1840363a8ed44b9a7d3d0691d8b3dc8222 100644 (file)
--- a/include/util/thread.h
+++ b/include/util/thread.h
@@ -16,6 +16,9 @@
  * limitations under the License.
  */
 
+#ifndef __THREAD_H__
+#define __THREAD_H__
+
 #include <threads.h>
 #include <time.h>
 
@@ -62,3 +65,5 @@ void resume_thread(struct thread *thread);
 
 #define schedule_worker resume_thread
 int wait_for_completion(struct thread *thread, void **result);
+
+#endif