diff options
Diffstat (limited to 'cpukit/rtems/src/semobtain.c')
| -rw-r--r-- | cpukit/rtems/src/semobtain.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/cpukit/rtems/src/semobtain.c b/cpukit/rtems/src/semobtain.c index c9433ca6d9..3608a00053 100644 --- a/cpukit/rtems/src/semobtain.c +++ b/cpukit/rtems/src/semobtain.c @@ -41,6 +41,7 @@ rtems_status_code rtems_semaphore_obtain( Objects_Locations location; ISR_Level level; Thread_Control *executing; + rtems_attribute attribute_set; bool wait; the_semaphore = _Semaphore_Get_interrupt_disable( id, &location, &level ); @@ -48,8 +49,24 @@ rtems_status_code rtems_semaphore_obtain( case OBJECTS_LOCAL: executing = _Thread_Executing; + attribute_set = the_semaphore->attribute_set; wait = !_Options_Is_no_wait( option_set ); - if ( !_Attributes_Is_counting_semaphore(the_semaphore->attribute_set) ) { +#if defined(RTEMS_SMP) + if ( _Attributes_Is_multiprocessor_resource_sharing( attribute_set ) ) { + MRSP_Status mrsp_status; + + _ISR_Enable( level ); + mrsp_status = _MRSP_Obtain( + &the_semaphore->Core_control.mrsp, + executing, + wait, + timeout + ); + _Objects_Put_for_get_isr_disable( &the_semaphore->Object ); + return _Semaphore_Translate_MRSP_status_code( mrsp_status ); + } else +#endif + if ( !_Attributes_Is_counting_semaphore( attribute_set ) ) { _CORE_mutex_Seize( &the_semaphore->Core_control.mutex, executing, |