rtems: Add rtems_scheduler_ident_by_processor()

Update #3069.

1 files changed, 49 insertions, 0 deletions

diff --git a/cpukit/rtems/src/scheduleridentbyprocessor.c b/cpukit/rtems/src/scheduleridentbyprocessor.c
new file mode 100644
index 0000000000..2bc64d77d3
--- /dev/null
+++ b/cpukit/rtems/src/scheduleridentbyprocessor.c
@@ -0,0 +1,49 @@
+/*
+ * Copyright (c) 2017 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
+
+#include <rtems/rtems/tasks.h>
+#include <rtems/score/assert.h>
+#include <rtems/score/schedulerimpl.h>
+
+rtems_status_code rtems_scheduler_ident_by_processor(
+  uint32_t  cpu_index,
+  rtems_id *id
+)
+{
+  const Scheduler_Control *scheduler;
+
+  if ( id == NULL ) {
+    return RTEMS_INVALID_ADDRESS;
+  }
+
+  if ( cpu_index >= _SMP_Get_processor_count() ) {
+    return RTEMS_INVALID_NAME;
+  }
+
+  scheduler = _Scheduler_Get_by_CPU( _Per_CPU_Get_by_index( cpu_index ) );
+#if defined(RTEMS_SMP)
+  if ( scheduler == NULL ) {
+    return RTEMS_INCORRECT_STATE;
+  }
+#else
+  _Assert( scheduler != NULL );
+#endif
+
+  *id = _Scheduler_Build_id( _Scheduler_Get_index( scheduler ) );
+  return RTEMS_SUCCESSFUL;
+}