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authorJoel Sherrill <joel.sherrill@OARcorp.com>1999-11-02 21:05:17 +0000
committerJoel Sherrill <joel.sherrill@OARcorp.com>1999-11-02 21:05:17 +0000
commit93b4e6ef7ea97190a1d542191e78e287a3b540f4 (patch)
tree62e143be5198b521924f153bbbcadeb7134118cc /cpukit/score/src/coretodset.c
parentSplit threadq.c into multiple files. (diff)
downloadrtems-93b4e6ef7ea97190a1d542191e78e287a3b540f4.tar.bz2
Split Heap and Time of Day Handlers.
Diffstat (limited to 'cpukit/score/src/coretodset.c')
-rw-r--r--cpukit/score/src/coretodset.c64
1 files changed, 64 insertions, 0 deletions
diff --git a/cpukit/score/src/coretodset.c b/cpukit/score/src/coretodset.c
new file mode 100644
index 0000000000..5b7358f734
--- /dev/null
+++ b/cpukit/score/src/coretodset.c
@@ -0,0 +1,64 @@
+/*
+ * Time of Day (TOD) Handler
+ *
+ *
+ * COPYRIGHT (c) 1989-1998.
+ * On-Line Applications Research Corporation (OAR).
+ * Copyright assigned to U.S. Government, 1994.
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.OARcorp.com/rtems/license.html.
+ *
+ * $Id$
+ */
+
+#include <rtems/system.h>
+#include <rtems/score/object.h>
+#include <rtems/score/thread.h>
+#include <rtems/score/tod.h>
+#include <rtems/score/watchdog.h>
+
+/*PAGE
+ *
+ * _TOD_Set
+ *
+ * This rountine sets the current date and time with the specified
+ * new date and time structure.
+ *
+ * Input parameters:
+ * the_tod - pointer to the time and date structure
+ * seconds_since_epoch - seconds since system epoch
+ *
+ * Output parameters: NONE
+ */
+
+void _TOD_Set(
+ TOD_Control *the_tod,
+ Watchdog_Interval seconds_since_epoch
+)
+{
+ Watchdog_Interval ticks_until_next_second;
+
+ _Thread_Disable_dispatch();
+ _TOD_Deactivate();
+
+ if ( seconds_since_epoch < _TOD_Seconds_since_epoch )
+ _Watchdog_Adjust_seconds( WATCHDOG_BACKWARD,
+ _TOD_Seconds_since_epoch - seconds_since_epoch );
+ else
+ _Watchdog_Adjust_seconds( WATCHDOG_FORWARD,
+ seconds_since_epoch - _TOD_Seconds_since_epoch );
+
+ ticks_until_next_second = _TOD_Ticks_per_second;
+ if ( ticks_until_next_second > _TOD_Current.ticks )
+ ticks_until_next_second -= _TOD_Current.ticks;
+
+ _TOD_Current = *the_tod;
+ _TOD_Seconds_since_epoch = seconds_since_epoch;
+ _TOD_Is_set = TRUE;
+ _TOD_Activate( ticks_until_next_second );
+
+ _Thread_Enable_dispatch();
+}
+