[rtems-libbsd commit] rtems-bsd-mutex: Add SMP lock debug support
Sebastian Huber
sebh at rtems.org
Wed Jan 11 13:03:42 UTC 2017
Module: rtems-libbsd
Branch: freebsd-9.3
Commit: 36db134f33bce7890d4d51f13395f20dadcf2ec2
Changeset: http://git.rtems.org/rtems-libbsd/commit/?id=36db134f33bce7890d4d51f13395f20dadcf2ec2
Author: Sebastian Huber <sebastian.huber at embedded-brains.de>
Date: Wed Jan 11 14:01:17 2017 +0100
rtems-bsd-mutex: Add SMP lock debug support
---
rtemsbsd/include/machine/rtems-bsd-muteximpl.h | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/rtemsbsd/include/machine/rtems-bsd-muteximpl.h b/rtemsbsd/include/machine/rtems-bsd-muteximpl.h
index 586a103..fdad3f1 100644
--- a/rtemsbsd/include/machine/rtems-bsd-muteximpl.h
+++ b/rtemsbsd/include/machine/rtems-bsd-muteximpl.h
@@ -8,7 +8,7 @@
*/
/*
- * Copyright (c) 2014, 2016 embedded brains GmbH. All rights reserved.
+ * Copyright (c) 2014, 2017 embedded brains GmbH. All rights reserved.
*
* embedded brains GmbH
* Dornierstr. 4
@@ -85,6 +85,9 @@ rtems_bsd_mutex_acquire_critical(rtems_bsd_mutex *m,
_Thread_queue_Queue_acquire_critical(&m->queue.Queue,
&m->queue.Lock_stats, &queue_context->Lock_context.Lock_context);
+#if defined(RTEMS_SMP) && defined(RTEMS_DEBUG)
+ m->queue.owner = _SMP_lock_Who_am_I();
+#endif
}
static inline void
@@ -92,6 +95,10 @@ rtems_bsd_mutex_release(rtems_bsd_mutex *m, ISR_Level isr_level,
Thread_queue_Context *queue_context)
{
+#if defined(RTEMS_SMP) && defined(RTEMS_DEBUG)
+ _Assert( _Thread_queue_Is_lock_owner( &m->queue ) );
+ m->queue.owner = SMP_LOCK_NO_OWNER;
+#endif
_Thread_queue_Queue_release_critical(&m->queue.Queue,
&queue_context->Lock_context.Lock_context);
_ISR_Local_enable(isr_level);
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