rtems: Add rtems_task_iterate()

Update #2423.

1 files changed, 60 insertions, 0 deletions

diff --git a/cpukit/score/src/threaditerate.c b/cpukit/score/src/threaditerate.c
new file mode 100644
index 0000000000..0f9a1bef44
--- /dev/null
+++ b/cpukit/score/src/threaditerate.c
@@ -0,0 +1,60 @@
+/*
+ * Copyright (c) 2016 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/score/threadimpl.h>
+
+void _Thread_Iterate(
+  Thread_Visitor  visitor,
+  void           *arg
+)
+{
+  int api_index;
+
+  for ( api_index = 1 ; api_index <= OBJECTS_APIS_LAST ; ++api_index ) {
+    const Objects_Information *information;
+    Objects_Maximum            i;
+
+#if !defined(RTEMS_POSIX_API)
+    if ( _Objects_Information_table[ api_index ] == NULL ) {
+      continue;
+    }
+#endif
+
+    information = _Objects_Information_table[ api_index ][ 1 ];
+
+    if ( information == NULL ) {
+      continue;
+    }
+
+    for ( i = 1 ; i <= information->maximum ; ++i ) {
+      Thread_Control *the_thread;
+
+      the_thread = (Thread_Control *) information->local_table[ i ];
+
+      if ( the_thread != NULL ) {
+        bool done;
+
+        done = (* visitor )( the_thread, arg );
+
+        if ( done ) {
+          return;
+        }
+      }
+    }
+  }
+}