rtems: Add Classic API get and set affinity methods.

Add the following methods:

  + rtems_task_get_affinity
  + rtems_task_set_affinity

1 files changed, 62 insertions, 0 deletions

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 <rtems/rtems/tasks.h>
+#include <rtems/score/threadimpl.h>
+#include <rtems/score/cpusetimpl.h>
+
+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