From edcf89b6f29b532360c2066446e4571286cbf705 Mon Sep 17 00:00:00 2001 From: Sebastian Huber Date: Fri, 27 Mar 2015 21:08:21 +0100 Subject: rtems: Atomically suspend/resume tasks --- cpukit/rtems/src/taskresume.c | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) (limited to 'cpukit/rtems/src/taskresume.c') diff --git a/cpukit/rtems/src/taskresume.c b/cpukit/rtems/src/taskresume.c index 86a22e195a..ed06a22e4a 100644 --- a/cpukit/rtems/src/taskresume.c +++ b/cpukit/rtems/src/taskresume.c @@ -27,18 +27,17 @@ rtems_status_code rtems_task_resume( { Thread_Control *the_thread; Objects_Locations location; + States_Control previous_state; the_thread = _Thread_Get( id, &location ); switch ( location ) { case OBJECTS_LOCAL: - if ( _States_Is_suspended( the_thread->current_state ) ) { - _Thread_Resume( the_thread ); - _Objects_Put( &the_thread->Object ); - return RTEMS_SUCCESSFUL; - } + previous_state = _Thread_Clear_state( the_thread, STATES_SUSPENDED ); _Objects_Put( &the_thread->Object ); - return RTEMS_INCORRECT_STATE; + + return _States_Is_suspended( previous_state ) ? + RTEMS_SUCCESSFUL : RTEMS_INCORRECT_STATE; #if defined(RTEMS_MULTIPROCESSING) case OBJECTS_REMOTE: -- cgit v1.2.3