1 files changed, 4 insertions, 0 deletions
diff --git a/src/queue.h b/src/queue.h
index 6b143fd..1f8a80f 100644
--- a/src/queue.h
+++ b/src/queue.h
@@ -219,9 +219,11 @@ void Queue<T>::plength()
 template<typename T>
 void Queue<T>::lock()
 {
+  pthread_mutex_lock(&mutex);
   fprintf(stderr, "Lock this motherfucker..."); fflush(stderr);
   locked = true;
   fprintf(stderr, "done\n"); fflush(stderr);
+  pthread_mutex_unlock(&mutex);
 }
 
 /**
@@ -230,9 +232,11 @@ void Queue<T>::lock()
 template<typename T>
 void Queue<T>::unlock()
 {
+  pthread_mutex_lock(&mutex);
   fprintf(stderr, "Unlock this motherfucker..."); fflush(stderr);
   locked = false;
   fprintf(stderr, "done\n"); fflush(stderr);
+  pthread_mutex_unlock(&mutex);
 }
 
 #endif