[rtems commit] score: _CORE_mutex_Check_dispatch_for_seize()

[Sebastian Huber]

Module:    rtems
Branch:    master
Commit:    2a3cff89af9dd781a7cb403cd4a8d6a218784144
Changeset: http://git.rtems.org/rtems/commit/?id=2a3cff89af9dd781a7cb403cd4a8d6a218784144

Author:    Sebastian Huber <sebastian.huber at embedded-brains.de>
Date:      Mon Jul 22 15:13:29 2013 +0200

score: _CORE_mutex_Check_dispatch_for_seize()

Add SMP version of this check, otherwise sptests/spfatal03 fails.

---

 cpukit/score/include/rtems/score/coremuteximpl.h |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/cpukit/score/include/rtems/score/coremuteximpl.h b/cpukit/score/include/rtems/score/coremuteximpl.h
index 5a13955..337ef01 100644
--- a/cpukit/score/include/rtems/score/coremuteximpl.h
+++ b/cpukit/score/include/rtems/score/coremuteximpl.h
@@ -208,7 +208,10 @@ void _CORE_mutex_Seize_interrupt_blocking(
  *  @retval this method returns true if dispatch is in an unsafe state.
  */
 #ifdef RTEMS_SMP
-  #define _CORE_mutex_Check_dispatch_for_seize(_wait) 0
+  #define _CORE_mutex_Check_dispatch_for_seize(_wait) \
+      (_Thread_Dispatch_get_disable_level() != 1 \
+        && (_wait) \
+        && (_System_state_Get() >= SYSTEM_STATE_BEGIN_MULTITASKING))
 #else
   #define _CORE_mutex_Check_dispatch_for_seize(_wait) \
       (!_Thread_Dispatch_is_enabled() \