rtems: Add scheduler get processors

1 files changed, 54 insertions, 0 deletions

diff --git a/cpukit/rtems/src/schedulergetprocessorset.c b/cpukit/rtems/src/schedulergetprocessorset.c
new file mode 100644
index 0000000000..e459b178cc
--- /dev/null
+++ b/cpukit/rtems/src/schedulergetprocessorset.c
@@ -0,0 +1,54 @@
+/*
+ * Copyright (c) 2014 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
+
+#if defined(__RTEMS_HAVE_SYS_CPUSET_H__)
+
+#include <rtems/rtems/tasks.h>
+#include <rtems/score/cpusetimpl.h>
+#include <rtems/score/schedulerimpl.h>
+
+rtems_status_code rtems_scheduler_get_processor_set(
+  rtems_id   scheduler_id,
+  size_t     cpusetsize,
+  cpu_set_t *cpuset
+)
+{
+  rtems_status_code sc;
+
+  if ( cpuset != NULL ) {
+    const Scheduler_Control *scheduler;
+
+    if ( _Scheduler_Get_by_id( scheduler_id, &scheduler ) ) {
+      if ( _CPU_set_Is_large_enough( cpusetsize ) ) {
+        _Scheduler_Get_processor_set( scheduler, cpusetsize, cpuset );
+
+        sc = RTEMS_SUCCESSFUL;
+      } else {
+        sc = RTEMS_INVALID_NUMBER;
+      }
+    } else {
+      sc = RTEMS_INVALID_ID;
+    }
+  } else {
+    sc = RTEMS_INVALID_ADDRESS;
+  }
+
+  return sc;
+}
+
+#endif /* defined(__RTEMS_HAVE_SYS_CPUSET_H__) */