rtems: Add Classic API get and set affinity methods.

Add the following methods:

  + rtems_task_get_affinity
  + rtems_task_set_affinity

1 files changed, 45 insertions, 0 deletions

diff --git a/cpukit/rtems/include/rtems/rtems/tasks.h b/cpukit/rtems/include/rtems/rtems/tasks.h
index 2030632380..f17d51b7e5 100644
--- a/cpukit/rtems/include/rtems/rtems/tasks.h
+++ b/cpukit/rtems/include/rtems/rtems/tasks.h
@@ -490,6 +490,51 @@ rtems_status_code rtems_task_variable_delete(
   void    **ptr
 );
 
+#if defined(__RTEMS_HAVE_SYS_CPUSET_H__) && defined(RTEMS_SMP)
+/**
+ *  @brief RTEMS Get Task Affinity
+ *
+ *  This directive returns the cpuset for the 
+ *  given task.  The cpuset size must be the
+ *  same size as the task affinity set size.
+ *
+ * @param[in] id is the thread to extract
+ * @param[in] cpusetsize is the size of the cpuset
+ * @param[out] cpuset is the tasks affinity cpuset
+ *
+ * @retval RTEMS_SUCCESSFUL if successful or error code if unsuccessful 
+ * @retval RTEMS_INVALID_ADDRESS if cpuset is NULL
+ * @retval RTEMS_INVALID_NUMBER if cpusetsize is incorrect
+ * @retval RTEMS_INVALID_ID if id not valid 
+ */ 
+rtems_status_code rtems_task_get_affinity(
+  rtems_id             id,
+  size_t               cpusetsize,
+  cpu_set_t           *cpuset 
+);
+
+/**
+ *  @brief RTEMS Set Task Affinity
+ *
+ *  This directive sets the given tasks 
+ *  affinity cpuset.
+ *
+ * @param[in] id is the thread to extract
+ * @param[in] cpusetsize is the size of the cpuset
+ * @param[in] cpuset is affinity set to assign to the task
+ *
+ * @retval RTEMS_SUCCESSFUL if successful or error code if unsuccessful 
+ * @retval RTEMS_INVALID_ADDRESS if cpuset is NULL
+ * @retval RTEMS_INVALID_NUMBER if cpuset or cpusetsize is incorrect 
+ * @retval RTEMS_INVALID_ID if id not valid 
+ */ 
+rtems_status_code rtems_task_set_affinity(
+  rtems_id             id,
+  size_t               cpusetsize,
+  cpu_set_t           *cpuset 
+);
+#endif
+
 /**
  *  @brief RTEMS Get Self Task Id
  *