diff options
Diffstat (limited to 'cpukit/score/src/threaddispatch.c')
| -rw-r--r-- | cpukit/score/src/threaddispatch.c | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/cpukit/score/src/threaddispatch.c b/cpukit/score/src/threaddispatch.c index b2426fa8ac..7c3326803c 100644 --- a/cpukit/score/src/threaddispatch.c +++ b/cpukit/score/src/threaddispatch.c @@ -15,7 +15,7 @@ * COPYRIGHT (c) 1989-2009. * On-Line Applications Research Corporation (OAR). * - * Copyright (c) 2014, 2018 embedded brains GmbH. + * Copyright (C) 2014, 2018 embedded brains GmbH & Co. KG * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -301,12 +301,13 @@ void _Thread_Do_dispatch( Per_CPU_Control *cpu_self, ISR_Level level ) heir = _Thread_Get_heir_and_make_it_executing( cpu_self ); /* - * When the heir and executing are the same, then we are being - * requested to do the post switch dispatching. This is normally - * done to dispatch signals. + * If the heir and executing are the same, then there is no need to do a + * context switch. Proceed to run the post switch actions. This is + * normally done to dispatch signals. */ - if ( heir == executing ) - goto post_switch; + if ( heir == executing ) { + break; + } /* * Since heir and executing are not the same, we need to do a real @@ -341,7 +342,11 @@ void _Thread_Do_dispatch( Per_CPU_Control *cpu_self, ISR_Level level ) _ISR_Local_disable( level ); } while ( cpu_self->dispatch_necessary ); -post_switch: + /* + * We are done with context switching. Proceed to run the post switch + * actions. + */ + _Assert( cpu_self->thread_dispatch_disable_level == 1 ); cpu_self->thread_dispatch_disable_level = 0; _Profiling_Thread_dispatch_enable( cpu_self, 0 ); |