diff options
Diffstat (limited to 'cpukit/score/src/corerwlockobtainread.c')
| -rw-r--r-- | cpukit/score/src/corerwlockobtainread.c | 21 |
1 files changed, 10 insertions, 11 deletions
diff --git a/cpukit/score/src/corerwlockobtainread.c b/cpukit/score/src/corerwlockobtainread.c index 203680f6dc..0dea50f1e8 100644 --- a/cpukit/score/src/corerwlockobtainread.c +++ b/cpukit/score/src/corerwlockobtainread.c @@ -32,7 +32,7 @@ void _CORE_RWLock_Obtain_for_reading( CORE_RWLock_API_mp_support_callout api_rwlock_mp_support ) { - ISR_Level level; + ISR_lock_Context lock_context; /* * If unlocked, then OK to read. @@ -40,21 +40,21 @@ void _CORE_RWLock_Obtain_for_reading( * If any thread is waiting, then we wait. */ - _ISR_Disable( level ); + _Thread_queue_Acquire( &the_rwlock->Wait_queue, &lock_context ); switch ( the_rwlock->current_state ) { case CORE_RWLOCK_UNLOCKED: the_rwlock->current_state = CORE_RWLOCK_LOCKED_FOR_READING; the_rwlock->number_of_readers += 1; - _ISR_Enable( level ); + _Thread_queue_Release( &the_rwlock->Wait_queue, &lock_context ); executing->Wait.return_code = CORE_RWLOCK_SUCCESSFUL; return; case CORE_RWLOCK_LOCKED_FOR_READING: { Thread_Control *waiter; - waiter = _Thread_queue_First( &the_rwlock->Wait_queue ); + waiter = _Thread_queue_First_locked( &the_rwlock->Wait_queue ); if ( !waiter ) { the_rwlock->number_of_readers += 1; - _ISR_Enable( level ); + _Thread_queue_Release( &the_rwlock->Wait_queue, &lock_context ); executing->Wait.return_code = CORE_RWLOCK_SUCCESSFUL; return; } @@ -69,7 +69,7 @@ void _CORE_RWLock_Obtain_for_reading( */ if ( !wait ) { - _ISR_Enable( level ); + _Thread_queue_Release( &the_rwlock->Wait_queue, &lock_context ); executing->Wait.return_code = CORE_RWLOCK_UNAVAILABLE; return; } @@ -78,18 +78,17 @@ void _CORE_RWLock_Obtain_for_reading( * We need to wait to enter this critical section */ - _Thread_queue_Enter_critical_section( &the_rwlock->Wait_queue ); - executing->Wait.queue = &the_rwlock->Wait_queue; executing->Wait.id = id; executing->Wait.option = CORE_RWLOCK_THREAD_WAITING_FOR_READ; executing->Wait.return_code = CORE_RWLOCK_SUCCESSFUL; - _ISR_Enable( level ); - _Thread_queue_Enqueue( + _Thread_queue_Enqueue_critical( &the_rwlock->Wait_queue, executing, STATES_WAITING_FOR_RWLOCK, - timeout + timeout, + CORE_RWLOCK_TIMEOUT, + &lock_context ); /* return to API level so it can dispatch and we block */ |