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/taskgetaffinity.c | 63 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 63 insertions(+) create mode 100644 cpukit/rtems/src/taskgetaffinity.c (limited to 'cpukit/rtems/src/taskgetaffinity.c') diff --git a/cpukit/rtems/src/taskgetaffinity.c b/cpukit/rtems/src/taskgetaffinity.c new file mode 100644 index 0000000000..9f625e334c --- /dev/null +++ b/cpukit/rtems/src/taskgetaffinity.c @@ -0,0 +1,63 @@ +/** + * @file + * + * @brief RTEMS Task Get 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_get_affinity( + rtems_id id, + size_t cpusetsize, + cpu_set_t *cpuset +) +{ + Thread_Control *the_thread; + Objects_Locations location; + rtems_status_code status = RTEMS_SUCCESSFUL; + + if ( !cpuset ) + return RTEMS_INVALID_ADDRESS; + + the_thread = _Thread_Get( id, &location ); + + switch ( location ) { + + case OBJECTS_LOCAL: + if ( cpusetsize != the_thread->affinity.setsize ) { + status = RTEMS_INVALID_NUMBER; + } else { + CPU_COPY( cpuset, the_thread->affinity.set ); + } + _Objects_Put( &the_thread->Object ); + return status; + +#if defined(RTEMS_MULTIPROCESSING) + case OBJECTS_REMOTE: +#endif + + case OBJECTS_ERROR: + break; + } + + return RTEMS_INVALID_ID; +} +#endif -- cgit v1.2.3