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authorSebastian Huber <sebastian.huber@embedded-brains.de>2016-05-09 07:29:52 +0200
committerSebastian Huber <sebastian.huber@embedded-brains.de>2016-05-12 13:20:34 +0200
commit3e0bb6734af1296e21af2716ebd12b8cbb718c29 (patch)
tree9d15d3bb698233e22aeea055b93ae76710454219
parentscore: Add _ISR_lock_Is_owner() (diff)
downloadrtems-3e0bb6734af1296e21af2716ebd12b8cbb718c29.tar.bz2
score: Ensure matching lock acquire and release
Ensure matching lock acquire and release for SMP locks if RTEMS_DEBUG is defined.
-rw-r--r--cpukit/score/include/rtems/score/smplock.h7
-rw-r--r--cpukit/score/src/smplock.c13
2 files changed, 16 insertions, 4 deletions
diff --git a/cpukit/score/include/rtems/score/smplock.h b/cpukit/score/include/rtems/score/smplock.h
index 0cefe38aa3..47797d3294 100644
--- a/cpukit/score/include/rtems/score/smplock.h
+++ b/cpukit/score/include/rtems/score/smplock.h
@@ -398,6 +398,9 @@ typedef struct {
*/
typedef struct {
ISR_Level isr_level;
+#if defined( RTEMS_DEBUG )
+ SMP_lock_Control *lock_used_for_acquire;
+#endif
#if defined( RTEMS_PROFILING )
SMP_lock_Stats_context Stats_context;
#endif
@@ -578,11 +581,8 @@ void _SMP_lock_Release_and_ISR_enable(
SMP_lock_Control *lock,
SMP_lock_Context *context
);
-
-static inline void _SMP_lock_Release_and_ISR_enable_body(
#else
static inline void _SMP_lock_Release_and_ISR_enable(
-#endif
SMP_lock_Control *lock,
SMP_lock_Context *context
)
@@ -590,6 +590,7 @@ static inline void _SMP_lock_Release_and_ISR_enable(
_SMP_lock_Release( lock, context );
_ISR_Enable_without_giant( context->isr_level );
}
+#endif
#if defined( RTEMS_DEBUG )
/**
diff --git a/cpukit/score/src/smplock.c b/cpukit/score/src/smplock.c
index 35b1930a1a..e426c2afbe 100644
--- a/cpukit/score/src/smplock.c
+++ b/cpukit/score/src/smplock.c
@@ -40,6 +40,9 @@ void _SMP_lock_Acquire(
SMP_lock_Context *context
)
{
+#if defined(RTEMS_DEBUG)
+ context->lock_used_for_acquire = lock;
+#endif
_SMP_lock_Acquire_body( lock, context );
#if defined(RTEMS_DEBUG)
lock->owner = _SMP_Get_current_processor();
@@ -52,6 +55,8 @@ void _SMP_lock_Release(
)
{
#if defined(RTEMS_DEBUG)
+ _Assert( context->lock_used_for_acquire == lock );
+ context->lock_used_for_acquire = NULL;
_Assert( lock->owner == _SMP_Get_current_processor() );
lock->owner = SMP_LOCK_NO_OWNER;
#endif
@@ -63,6 +68,9 @@ void _SMP_lock_ISR_disable_and_acquire(
SMP_lock_Context *context
)
{
+#if defined(RTEMS_DEBUG)
+ context->lock_used_for_acquire = lock;
+#endif
_SMP_lock_ISR_disable_and_acquire_body( lock, context );
#if defined(RTEMS_DEBUG)
lock->owner = _SMP_Get_current_processor();
@@ -75,10 +83,13 @@ void _SMP_lock_Release_and_ISR_enable(
)
{
#if defined(RTEMS_DEBUG)
+ _Assert( context->lock_used_for_acquire == lock );
+ context->lock_used_for_acquire = NULL;
_Assert( lock->owner == _SMP_Get_current_processor() );
lock->owner = SMP_LOCK_NO_OWNER;
#endif
- _SMP_lock_Release_and_ISR_enable_body( lock, context );
+ _SMP_lock_Release_body( lock, context );
+ _ISR_Enable_without_giant( context->isr_level );
}
#if defined(RTEMS_DEBUG)