From 82cb78d84c7962d2b55e1f83c9f8cbcbef386d87 Mon Sep 17 00:00:00 2001
From: Joel Sherrill <joel.sherrill@OARcorp.com>
Date: Tue, 2 Nov 1999 21:45:15 +0000
Subject: Split core message queue and watchdog handler objects into separate
 files.

---
 c/src/exec/score/src/watchdogremove.c | 71 +++++++++++++++++++++++++++++++++++
 1 file changed, 71 insertions(+)
 create mode 100644 c/src/exec/score/src/watchdogremove.c

(limited to 'c/src/exec/score/src/watchdogremove.c')

diff --git a/c/src/exec/score/src/watchdogremove.c b/c/src/exec/score/src/watchdogremove.c
new file mode 100644
index 0000000000..1f19d2f49b
--- /dev/null
+++ b/c/src/exec/score/src/watchdogremove.c
@@ -0,0 +1,71 @@
+/*
+ *  Watchdog 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/isr.h>
+#include <rtems/score/watchdog.h>
+
+/*PAGE
+ *
+ *  _Watchdog_Remove
+ *
+ *  The routine removes a watchdog from a delta chain and updates
+ *  the delta counters of the remaining watchdogs.
+ */
+
+Watchdog_States _Watchdog_Remove(
+  Watchdog_Control *the_watchdog
+)
+{
+  ISR_Level         level;
+  Watchdog_States   previous_state;
+  Watchdog_Control *next_watchdog;
+
+  _ISR_Disable( level );
+  previous_state = the_watchdog->state;
+  switch ( previous_state ) {
+    case WATCHDOG_INACTIVE:
+      break;
+
+    case WATCHDOG_BEING_INSERTED:  
+   
+      /*
+       *  It is not actually on the chain so just change the state and
+       *  the Insert operation we interrupted will be aborted.
+       */
+      the_watchdog->state = WATCHDOG_INACTIVE;
+      break;
+
+    case WATCHDOG_ACTIVE:
+    case WATCHDOG_REMOVE_IT:
+
+      the_watchdog->state = WATCHDOG_INACTIVE;
+      next_watchdog = _Watchdog_Next( the_watchdog );
+
+      if ( _Watchdog_Next(next_watchdog) )
+        next_watchdog->delta_interval += the_watchdog->delta_interval;
+
+      if ( _Watchdog_Sync_count )
+        _Watchdog_Sync_level = _ISR_Nest_level;
+
+      _Chain_Extract_unprotected( &the_watchdog->Node );
+      break;
+  }
+  the_watchdog->stop_time = _Watchdog_Ticks_since_boot;
+
+  _ISR_Enable( level );
+  return( previous_state );
+}
+
-- 
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