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Diffstat (limited to 'cpukit/posix/src/mutexsetprioceiling.c')
-rw-r--r--cpukit/posix/src/mutexsetprioceiling.c39
1 files changed, 22 insertions, 17 deletions
diff --git a/cpukit/posix/src/mutexsetprioceiling.c b/cpukit/posix/src/mutexsetprioceiling.c
index 478aafa6e0..31e54c5fc3 100644
--- a/cpukit/posix/src/mutexsetprioceiling.c
+++ b/cpukit/posix/src/mutexsetprioceiling.c
@@ -31,15 +31,13 @@ int pthread_mutex_setprioceiling(
int *old_ceiling
)
{
- POSIX_Mutex_Control *the_mutex;
- const Scheduler_Control *scheduler;
- bool valid;
- Priority_Control priority;
- int error;
- int unlock_error;
+ POSIX_Mutex_Control *the_mutex;
+ int error;
+ int unlock_error;
- if ( !old_ceiling )
+ if ( old_ceiling == NULL ) {
return EINVAL;
+ }
/*
* Must acquire the mutex before we can change it's ceiling.
@@ -54,19 +52,26 @@ int pthread_mutex_setprioceiling(
the_mutex = _POSIX_Mutex_Get_no_protection( mutex );
_Assert( the_mutex != NULL );
- scheduler = &_Scheduler_Table[ 0 ];
+ if ( the_mutex->protocol == POSIX_MUTEX_PRIORITY_CEILING ) {
+ const Scheduler_Control *scheduler;
+ bool valid;
+ Priority_Control new_priority;
+ Priority_Control old_priority;
- *old_ceiling = _POSIX_Priority_From_core(
- scheduler,
- the_mutex->Mutex.priority_ceiling
- );
+ scheduler = _CORE_ceiling_mutex_Get_scheduler( &the_mutex->Mutex );
+ old_priority = _CORE_ceiling_mutex_Get_priority( &the_mutex->Mutex );
+ *old_ceiling = _POSIX_Priority_From_core( scheduler, old_priority );
- priority = _POSIX_Priority_To_core( scheduler, prioceiling, &valid );
- if ( valid ) {
- the_mutex->Mutex.priority_ceiling = priority;
- error = 0;
+ new_priority = _POSIX_Priority_To_core( scheduler, prioceiling, &valid );
+ if ( valid ) {
+ _CORE_ceiling_mutex_Set_priority( &the_mutex->Mutex, new_priority );
+ error = 0;
+ } else {
+ error = EINVAL;
+ }
} else {
- error = EINVAL;
+ *old_ceiling = 0;
+ error = 0;
}
unlock_error = pthread_mutex_unlock( mutex );