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rtems-bsd-mutex: Support priority changes

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This commit is contained in:
Sebastian Huber
2015-03-24 09:42:28 +01:00
parent 5bcdc25e72
commit 9bfcb86790
2 changed files with 31 additions and 14 deletions
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8
rtemsbsd/include/machine/rtems-bsd-muteximpl.h
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@@ -131,18 +131,20 @@ static inline void
rtems_bsd_mutex_unlock(rtems_bsd_mutex *m)
{
ISR_lock_Context lock_context;
Thread_Control *owner;
int nest_level;
_ISR_lock_ISR_disable_and_acquire(&m->lock, &lock_context);
nest_level = m->nest_level;
owner = m->owner;
BSD_ASSERT(owner == _Thread_Executing);
if (__predict_true(nest_level == 0)) {
RBTree_Node *first = _RBTree_First(&m->rivals, RBT_LEFT);
Thread_Control *owner = m->owner;
int keep_priority;
BSD_ASSERT(owner == _Thread_Executing);
--owner->resource_count;
keep_priority = _Thread_Owns_resources(owner)
|| owner->real_priority == owner->current_priority;