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-rw-r--r--rtemsbsd/rtems/rtems-bsd-muteximpl.c83
1 files changed, 9 insertions, 74 deletions
diff --git a/rtemsbsd/rtems/rtems-bsd-muteximpl.c b/rtemsbsd/rtems/rtems-bsd-muteximpl.c
index 2bfa3b1e..c68bd461 100644
--- a/rtemsbsd/rtems/rtems-bsd-muteximpl.c
+++ b/rtemsbsd/rtems/rtems-bsd-muteximpl.c
@@ -41,29 +41,8 @@
#include <machine/rtems-bsd-muteximpl.h>
#include <rtems/score/schedulerimpl.h>
-#include <rtems/score/threaddispatch.h>
#include <rtems/score/threadqimpl.h>
-#define INTEND_TO_BLOCK \
- (THREAD_WAIT_CLASS_OBJECT | THREAD_WAIT_STATE_INTEND_TO_BLOCK)
-
-#define BLOCKED \
- (THREAD_WAIT_CLASS_OBJECT | THREAD_WAIT_STATE_BLOCKED)
-
-#define INTERRUPT_SATISFIED \
- (THREAD_WAIT_CLASS_OBJECT | THREAD_WAIT_STATE_INTERRUPT_SATISFIED)
-
-static void
-rtems_bsd_mutex_priority_change(Thread_Control *thread,
- Priority_Control new_priority, void *context)
-{
- rtems_bsd_mutex *m = context;
-
- _RBTree_Extract(&m->rivals, &thread->RBNode);
- _RBTree_Insert(&m->rivals, &thread->RBNode,
- _Thread_queue_Compare_priority, false);
-}
-
void
rtems_bsd_mutex_lock_more(struct lock_object *lock, rtems_bsd_mutex *m,
Thread_Control *owner, Thread_Control *executing,
@@ -73,38 +52,14 @@ rtems_bsd_mutex_lock_more(struct lock_object *lock, rtems_bsd_mutex *m,
BSD_ASSERT(lock->lo_flags & LO_RECURSABLE);
++m->nest_level;
- _ISR_lock_Release_and_ISR_enable(&m->lock, lock_context);
+ _Thread_queue_Release(&m->queue, lock_context);
} else {
- Per_CPU_Control *cpu_self;
- bool success;
-
- _Thread_Lock_set(executing, &m->lock);
- _Thread_Priority_set_change_handler(executing,
- rtems_bsd_mutex_priority_change, m);
- ++executing->resource_count;
- _RBTree_Insert(&m->rivals, &executing->RBNode,
- _Thread_queue_Compare_priority, false);
-
- cpu_self = _Thread_Dispatch_disable_critical();
-
/* Priority inheritance */
- _Scheduler_Change_priority_if_higher(_Scheduler_Get(owner),
- owner, executing->current_priority, false);
-
- _Thread_Wait_flags_set(executing, INTEND_TO_BLOCK);
-
- _ISR_lock_Release_and_ISR_enable(&m->lock, lock_context);
-
- _Thread_Set_state(executing, STATES_WAITING_FOR_MUTEX);
-
- success = _Thread_Wait_flags_try_change(executing,
- INTEND_TO_BLOCK, BLOCKED);
- if (!success) {
- _Thread_Clear_state(executing,
- STATES_WAITING_FOR_MUTEX);
- }
+ _Thread_Raise_priority(owner, executing->current_priority);
- _Thread_Dispatch_enable(cpu_self);
+ _Thread_queue_Enqueue_critical(&m->queue, executing,
+ STATES_WAITING_FOR_MUTEX, WATCHDOG_NO_TIMEOUT, 0,
+ lock_context);
}
}
@@ -114,40 +69,20 @@ rtems_bsd_mutex_unlock_more(rtems_bsd_mutex *m, Thread_Control *owner,
{
if (first != NULL) {
Thread_Control *new_owner;
- bool success;
new_owner = THREAD_RBTREE_NODE_TO_THREAD(first);
m->owner = new_owner;
- _RBTree_Extract(&m->rivals, &new_owner->RBNode);
- _Thread_Priority_restore_default_change_handler(new_owner);
- _Thread_Lock_restore_default(new_owner);
-
- success = _Thread_Wait_flags_try_change_critical(new_owner,
- INTEND_TO_BLOCK, INTERRUPT_SATISFIED);
- if (success) {
- _ISR_lock_Release_and_ISR_enable(&m->lock,
- lock_context);
- } else {
- Per_CPU_Control *cpu_self;
-
- cpu_self = _Thread_Dispatch_disable_critical();
- _ISR_lock_Release_and_ISR_enable(&m->lock,
- lock_context);
-
- _Thread_Clear_state(new_owner,
- STATES_WAITING_FOR_MUTEX);
-
- _Thread_Dispatch_enable(cpu_self);
- }
+ _Thread_queue_Extract_critical(&m->queue, new_owner,
+ lock_context);
} else {
- _ISR_lock_Release_and_ISR_enable(&m->lock, lock_context);
+ _Thread_queue_Release(&m->queue, lock_context);
}
if (!keep_priority) {
Per_CPU_Control *cpu_self;
cpu_self = _Thread_Dispatch_disable();
- _Thread_Change_priority(owner, owner->real_priority, true);
+ _Thread_Restore_priority(owner);
_Thread_Dispatch_enable(cpu_self);
}
}