From 1fcac5adc5ed38fb88ce4c6d24b2ca2e27e3cd10 Mon Sep 17 00:00:00 2001 From: Sebastian Huber Date: Mon, 25 Jul 2016 16:35:37 +0200 Subject: score: Turn thread lock into thread wait lock The _Thread_Lock_acquire() function had a potentially infinite run-time due to the lack of fairness at atomic operations level. Update #2412. Update #2556. Update #2765. --- cpukit/rtems/src/eventsurrender.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'cpukit/rtems/src/eventsurrender.c') diff --git a/cpukit/rtems/src/eventsurrender.c b/cpukit/rtems/src/eventsurrender.c index a9bef5916c..c805b0e89d 100644 --- a/cpukit/rtems/src/eventsurrender.c +++ b/cpukit/rtems/src/eventsurrender.c @@ -77,7 +77,7 @@ rtems_status_code _Event_Surrender( rtems_event_set seized_events; bool unblock; - _Thread_Lock_acquire_default_critical( the_thread, lock_context ); + _Thread_Wait_acquire_default_critical( the_thread, lock_context ); _Event_sets_Post( event_in, &event->pending_events ); pending_events = event->pending_events; @@ -116,14 +116,14 @@ rtems_status_code _Event_Surrender( Per_CPU_Control *cpu_self; cpu_self = _Thread_Dispatch_disable_critical( lock_context ); - _Thread_Lock_release_default( the_thread, lock_context ); + _Thread_Wait_release_default( the_thread, lock_context ); _Thread_Timer_remove( the_thread ); _Thread_Unblock( the_thread ); _Thread_Dispatch_enable( cpu_self ); } else { - _Thread_Lock_release_default( the_thread, lock_context ); + _Thread_Wait_release_default( the_thread, lock_context ); } return RTEMS_SUCCESSFUL; -- cgit v1.2.3