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Changed by azabytin@mera.ru.
http://bugzilla.ximian.com/show_bug.cgi?id=59379
--- shadow/59379 2004-06-01 02:52:16.000000000 -0400
+++ shadow/59379.tmp.21579 2004-06-01 02:52:16.000000000 -0400
@@ -0,0 +1,108 @@
+Bug#: 59379
+Product: Mono: Class Libraries
+Version: unspecified
+OS: Red Hat 9.0
+OS Details:
+Status: NEW
+Resolution:
+Severity:
+Priority: Major
+Component: System
+AssignedTo: mono-bugs@ximian.com
+ReportedBy: azabytin@mera.ru
+QAContact: mono-bugs@ximian.com
+TargetMilestone: ---
+URL:
+Cc:
+Summary: Sustem.Threading.Timer hangs while disposing
+
+Timer hangs while disposing
+
+Steps to reproduce the problem:
+1. Compile example ( see Additional Information)
+2. Run example, it will hangs after "disposing of timer..." message
+
+Actual Results:
+
+10:05:43.4703290 Checking Status 1.
+10:05:44.5626170 Checking Status 2.
+10:05:45.5825240 Checking Status 3.
+10:05:46.5925250 Checking Status 4.
+10:05:47.6026080 Checking Status 5.
+changed...
+10:05:57.6135120 Checking Status 6.
+10:05:57.7233620 Checking Status 7.
+10:05:57.8333970 Checking Status 8.
+10:05:57.9434310 Checking Status 9.
+10:05:58.0533840 Checking Status 10.
+disposing of timer...
+
+
+Expected Results:
+
+0:51:40.5809015 Checking Status 1.
+10:51:41.5823515 Checking Status 2.
+10:51:42.5838015 Checking Status 3.
+10:51:43.5852515 Checking Status 4.
+10:51:44.5867015 Checking Status 5.
+changed...
+10:51:54.5911870 Checking Status 6.
+10:51:54.6913320 Checking Status 7.
+10:51:54.7914770 Checking Status 8.
+10:51:54.8916220 Checking Status 9.
+10:51:54.9917670 Checking Status 10.
+disposing of timer...
+Timer example done.
+
+How often does this happen?
+Always
+
+Additional Information:
+
+Source code to reproduce the problem:
+
+using System;
+using System.Threading;
+
+class TimerExampleState {
+ public int counter = 0;
+ public Timer tmr;
+}
+
+class App {
+ public static void Main() {
+ TimerExampleState s = new TimerExampleState();
+
+ // Create the delegate that invokes methods for the timer.
+ TimerCallback timerDelegate = new TimerCallback(CheckStatus);
+
+ // Create a timer that waits one second, then invokes every second.
+ Timer timer = new Timer(timerDelegate, s,1000, 1000);
+
+ // Keep a handle to the timer, so it can be disposed.
+ s.tmr = timer;
+
+ // The main thread does nothing until the timer is disposed.
+ while (s.tmr != null)
+ Thread.Sleep(0);
+ Console.WriteLine("Timer example done.");
+ }
+ // The following method is called by the timer's delegate.
+
+ static void CheckStatus(Object state) {
+ TimerExampleState s = (TimerExampleState) state;
+ s.counter++;
+ Console.WriteLine("{0} Checking Status {1}.",DateTime.Now.
+TimeOfDay, s.counter);
+ if (s.counter == 5) {
+ // Shorten the period. Wait 10 seconds to restart the timer.
+ (s.tmr).Change(10000,100);
+ Console.WriteLine("changed...");
+ }
+ if (s.counter == 10) {
+ Console.WriteLine("disposing of timer...");
+ s.tmr.Dispose();
+ s.tmr = null;
+ }
+ }
+}