Changeset dfcc8bb in rtems for cpukit/score/include/rtems/score/threadq.h

Timestamp:

May 3, 2016, 5:43:54 AM (4 years ago)

Author:

Sebastian Huber <sebastian.huber@…>

Branches:

master

Children:

0e1d11f3

Parents:

868cd24d

git-author:

Sebastian Huber <sebastian.huber@…> (05/03/16 05:43:54)

git-committer:

Sebastian Huber <sebastian.huber@…> (05/30/16 12:36:18)

Message:

score: Adjust thread queue layout

Adjust thread queue layout according to Newlib. This makes it possible
to use the same implementation for <sys/lock.h> and CORE mutexes in the
future.

File:

• cpukit/score/include/rtems/score/threadq.h (modified) (2 diffs)

cpukit/score/include/rtems/score/threadq.h

@@ -156 +156 @@
 typedef struct {
   /**
+   * @brief Lock to protect this thread queue.
+   *
+   * It may be used to protect additional state of the object embedding this
+   * thread queue.
+   *
+   * Must be the first component of this structure to be able to re-use
+   * implementation parts for structures defined by Newlib <sys/lock.h>.
+   *
+   * @see _Thread_queue_Acquire(), _Thread_queue_Acquire_critical() and
+   * _Thread_queue_Release().
+   */
+#if defined(RTEMS_SMP)
+  SMP_ticket_lock_Control Lock;
+#endif
+
+  /**
    * @brief The thread queue heads.
    *
@@ -165 +181 @@
 
   /**
-   * @brief Lock to protect this thread queue.
-   *
-   * It may be used to protect additional state of the object embedding this
-   * thread queue.
-   *
-   * @see _Thread_queue_Acquire(), _Thread_queue_Acquire_critical() and
-   * _Thread_queue_Release().
-   */
-#if defined(RTEMS_SMP)
-  SMP_ticket_lock_Control Lock;
-#endif
+   * @brief The thread queue owner.
+   */
+  Thread_Control *owner;
 } Thread_queue_Queue;