diff options
Diffstat (limited to 'cpukit/rtems/src/scheduleridentbyprocessor.c')
-rw-r--r-- | cpukit/rtems/src/scheduleridentbyprocessor.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/cpukit/rtems/src/scheduleridentbyprocessor.c b/cpukit/rtems/src/scheduleridentbyprocessor.c new file mode 100644 index 0000000000..2bc64d77d3 --- /dev/null +++ b/cpukit/rtems/src/scheduleridentbyprocessor.c @@ -0,0 +1,49 @@ +/* + * Copyright (c) 2017 embedded brains GmbH. All rights reserved. + * + * embedded brains GmbH + * Dornierstr. 4 + * 82178 Puchheim + * Germany + * <rtems@embedded-brains.de> + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.rtems.org/license/LICENSE. + */ + +#if HAVE_CONFIG_H +#include "config.h" +#endif + +#include <rtems/rtems/tasks.h> +#include <rtems/score/assert.h> +#include <rtems/score/schedulerimpl.h> + +rtems_status_code rtems_scheduler_ident_by_processor( + uint32_t cpu_index, + rtems_id *id +) +{ + const Scheduler_Control *scheduler; + + if ( id == NULL ) { + return RTEMS_INVALID_ADDRESS; + } + + if ( cpu_index >= _SMP_Get_processor_count() ) { + return RTEMS_INVALID_NAME; + } + + scheduler = _Scheduler_Get_by_CPU( _Per_CPU_Get_by_index( cpu_index ) ); +#if defined(RTEMS_SMP) + if ( scheduler == NULL ) { + return RTEMS_INCORRECT_STATE; + } +#else + _Assert( scheduler != NULL ); +#endif + + *id = _Scheduler_Build_id( _Scheduler_Get_index( scheduler ) ); + return RTEMS_SUCCESSFUL; +} |