score: Add _Thread_queue_Is_lock_owner()

Add _Thread_queue_Is_lock_owner() in case RTEMS_DEBUG is defined.

1 files changed, 26 insertions, 3 deletions

diff --git a/cpukit/score/include/rtems/score/threadq.h b/cpukit/score/include/rtems/score/threadq.h
index fb2014833a..7ada3fc355 100644
--- a/cpukit/score/include/rtems/score/threadq.h
+++ b/cpukit/score/include/rtems/score/threadq.h
@@ -264,14 +264,37 @@ typedef struct {
  *  waiting to acquire a resource.
  */
 typedef struct {
+#if defined(RTEMS_SMP)
+#if defined(RTEMS_DEBUG)
   /**
-   * @brief The actual thread queue.
+   * @brief The index of the owning processor of the thread queue lock.
+   *
+   * The thread queue lock may be acquired via the thread lock also.  This path
+   * is not covered by this field.  In case the lock is not owned directly via
+   * _Thread_queue_Acquire(), then the value of this field is
+   * SMP_LOCK_NO_OWNER.
+   *
+   * Must be before the queue component of this structure to be able to re-use
+   * implementation parts for structures defined by Newlib <sys/lock.h>.
    */
-  Thread_queue_Queue Queue;
+  uint32_t owner;
+#endif
 
-#if defined(RTEMS_SMP) && defined(RTEMS_PROFILING)
+#if defined(RTEMS_PROFILING)
+  /**
+   * @brief SMP lock statistics in case SMP and profiling are enabled.
+   *
+   * Must be before the queue component of this structure to be able to re-use
+   * implementation parts for structures defined by Newlib <sys/lock.h>.
+   */
   SMP_lock_Stats Lock_stats;
 #endif
+#endif
+
+  /**
+   * @brief The actual thread queue.
+   */
+  Thread_queue_Queue Queue;
 } Thread_queue_Control;
 
 /**@}*/