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score: Add and use _CORE_mutex_Acquire_critical()

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Add and use _CORE_mutex_Release().
This commit is contained in:
Sebastian Huber
2016-04-19 06:18:52 +02:00
parent b8bdced14d
commit bbe654af8f
1 changed files with 24 additions and 8 deletions
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32
cpukit/score/include/rtems/score/coremuteximpl.h
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@@ -113,6 +113,22 @@ RTEMS_INLINE_ROUTINE void _CORE_mutex_Destroy( CORE_mutex_Control *the_mutex )
_Thread_queue_Destroy( &the_mutex->Wait_queue );
}
RTEMS_INLINE_ROUTINE void _CORE_mutex_Acquire_critical(
CORE_mutex_Control *the_mutex,
ISR_lock_Context *lock_context
)
{
_Thread_queue_Acquire_critical( &the_mutex->Wait_queue, lock_context );
}
RTEMS_INLINE_ROUTINE void _CORE_mutex_Release(
CORE_mutex_Control *the_mutex,
ISR_lock_Context *lock_context
)
{
_Thread_queue_Release( &the_mutex->Wait_queue, lock_context );
}
/**
* @brief Attempt to receive a unit from the_mutex.
*
@@ -245,10 +261,10 @@ RTEMS_INLINE_ROUTINE void _CORE_mutex_Seize_body(
INTERNAL_ERROR_MUTEX_OBTAIN_FROM_BAD_STATE
);
}
_Thread_queue_Acquire_critical( &the_mutex->Wait_queue, lock_context );
_CORE_mutex_Acquire_critical( the_mutex, lock_context );
if ( _CORE_mutex_Seize_interrupt_trylock( the_mutex, executing, lock_context ) ) {
if ( !wait ) {
_Thread_queue_Release( &the_mutex->Wait_queue, lock_context );
_CORE_mutex_Release( the_mutex, lock_context );
executing->Wait.return_code =
CORE_MUTEX_STATUS_UNSATISFIED_NOWAIT;
} else {
@@ -462,7 +478,7 @@ RTEMS_INLINE_ROUTINE int _CORE_mutex_Seize_interrupt_trylock_body(
}
if ( !_CORE_mutex_Is_priority_ceiling( &the_mutex->Attributes ) ) {
_Thread_queue_Release( &the_mutex->Wait_queue, lock_context );
_CORE_mutex_Release( the_mutex, lock_context );
return 0;
} /* else must be CORE_MUTEX_DISCIPLINES_PRIORITY_CEILING
*
@@ -476,7 +492,7 @@ RTEMS_INLINE_ROUTINE int _CORE_mutex_Seize_interrupt_trylock_body(
ceiling = the_mutex->Attributes.priority_ceiling;
current = executing->current_priority;
if ( current == ceiling ) {
_Thread_queue_Release( &the_mutex->Wait_queue, lock_context );
_CORE_mutex_Release( the_mutex, lock_context );
return 0;
}
@@ -484,7 +500,7 @@ RTEMS_INLINE_ROUTINE int _CORE_mutex_Seize_interrupt_trylock_body(
Per_CPU_Control *cpu_self;
cpu_self = _Thread_Dispatch_disable_critical( lock_context );
_Thread_queue_Release( &the_mutex->Wait_queue, lock_context );
_CORE_mutex_Release( the_mutex, lock_context );
_Thread_Raise_priority( executing, ceiling );
_Thread_Dispatch_enable( cpu_self );
return 0;
@@ -494,7 +510,7 @@ RTEMS_INLINE_ROUTINE int _CORE_mutex_Seize_interrupt_trylock_body(
the_mutex->holder = NULL;
the_mutex->nest_count = 0; /* undo locking above */
executing->resource_count--; /* undo locking above */
_Thread_queue_Release( &the_mutex->Wait_queue, lock_context );
_CORE_mutex_Release( the_mutex, lock_context );
return 0;
}
}
@@ -510,12 +526,12 @@ RTEMS_INLINE_ROUTINE int _CORE_mutex_Seize_interrupt_trylock_body(
switch ( the_mutex->Attributes.lock_nesting_behavior ) {
case CORE_MUTEX_NESTING_ACQUIRES:
the_mutex->nest_count++;
_Thread_queue_Release( &the_mutex->Wait_queue, lock_context );
_CORE_mutex_Release( the_mutex, lock_context );
return 0;
#if defined(RTEMS_POSIX_API)
case CORE_MUTEX_NESTING_IS_ERROR:
executing->Wait.return_code = CORE_MUTEX_STATUS_NESTING_NOT_ALLOWED;
_Thread_queue_Release( &the_mutex->Wait_queue, lock_context );
_CORE_mutex_Release( the_mutex, lock_context );
return 0;
#endif
case CORE_MUTEX_NESTING_BLOCKS: