From 29cacfdbf3a7b90ecb513a591f225e68f14ad340 Mon Sep 17 00:00:00 2001 From: Jennifer Averett Date: Mon, 10 Feb 2014 12:30:39 -0600 Subject: rtems: Add Classic API get and set affinity methods. Add the following methods: + rtems_task_get_affinity + rtems_task_set_affinity --- cpukit/rtems/src/tasksetaffinity.c | 62 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 62 insertions(+) create mode 100644 cpukit/rtems/src/tasksetaffinity.c (limited to 'cpukit/rtems/src/tasksetaffinity.c') diff --git a/cpukit/rtems/src/tasksetaffinity.c b/cpukit/rtems/src/tasksetaffinity.c new file mode 100644 index 0000000000..cecb2686a4 --- /dev/null +++ b/cpukit/rtems/src/tasksetaffinity.c @@ -0,0 +1,62 @@ +/** + * @file + * + * @brief RTEMS Task Set Affinity + * @ingroup ClassicTasks Tasks + */ + +/* + * COPYRIGHT (c) 2014. + * On-Line Applications Research Corporation (OAR). + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.rtems.com/license/LICENSE. + */ + +#if HAVE_CONFIG_H +#include "config.h" +#endif + +#if defined(__RTEMS_HAVE_SYS_CPUSET_H__) + +#include +#include +#include + +rtems_status_code rtems_task_set_affinity( + rtems_id id, + size_t cpusetsize, + cpu_set_t *cpuset +) +{ + Thread_Control *the_thread; + Objects_Locations location; + int error; + + if ( !cpuset ) + return RTEMS_INVALID_ADDRESS; + + error = _CPU_set_Is_valid( cpuset, cpusetsize ); + if ( error != 0 ) + return RTEMS_INVALID_NUMBER; + + the_thread = _Thread_Get( id, &location ); + switch ( location ) { + + case OBJECTS_LOCAL: + CPU_COPY( the_thread->affinity.set, cpuset ); + _Objects_Put( &the_thread->Object ); + return RTEMS_SUCCESSFUL; + +#if defined(RTEMS_MULTIPROCESSING) + case OBJECTS_REMOTE: +#endif + + case OBJECTS_ERROR: + break; + } + + return RTEMS_INVALID_ID; +} +#endif -- cgit v1.2.3