1 files changed, 55 insertions, 0 deletions
diff --git a/cpukit/rtems/src/clocktick.c b/cpukit/rtems/src/clocktick.c
new file mode 100644
index 0000000000..f02f48fb45
--- /dev/null
+++ b/cpukit/rtems/src/clocktick.c
@@ -0,0 +1,55 @@
+/*
+ *  Clock Manager
+ *
+ *  COPYRIGHT (c) 1989-1999.
+ *  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.
+ *
+ *  $Id$
+ */
+
+#if HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <rtems/system.h>
+#include <rtems/rtems/status.h>
+#include <rtems/rtems/clock.h>
+#include <rtems/score/isr.h>
+#include <rtems/score/thread.h>
+#include <rtems/score/tod.h>
+#include <rtems/score/watchdog.h>
+
+/*PAGE
+ *
+ *  rtems_clock_tick
+ *
+ *  This directive notifies the executve that a tick has occurred.
+ *  When the tick occurs the time manager updates and maintains
+ *  the calendar time, timeslicing, and any timeout delays.
+ *
+ *  Input parameters:  NONE
+ *
+ *  Output parameters:
+ *    RTEMS_SUCCESSFUL - always succeeds
+ *
+ *  NOTE: This routine only works for leap-years through 2099.
+ */
+
+rtems_status_code rtems_clock_tick( void )
+{
+  _TOD_Tickle_ticks();
+
+  _Watchdog_Tickle_ticks();
+
+  _Thread_Tickle_timeslice();
+
+  if ( _Thread_Is_context_switch_necessary() &&
+       _Thread_Is_dispatching_enabled() )
+    _Thread_Dispatch();
+
+  return RTEMS_SUCCESSFUL;
+}