5
// Aaron Bockover <abockover@novell.com>
6
// Gabriel Burt <gburt@novell.com>
8
// Copyright (C) 2005-2009 Novell, Inc.
10
// Permission is hereby granted, free of charge, to any person obtaining
11
// a copy of this software and associated documentation files (the
12
// "Software"), to deal in the Software without restriction, including
13
// without limitation the rights to use, copy, modify, merge, publish,
14
// distribute, sublicense, and/or sell copies of the Software, and to
15
// permit persons to whom the Software is furnished to do so, subject to
16
// the following conditions:
18
// The above copyright notice and this permission notice shall be
19
// included in all copies or substantial portions of the Software.
21
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
22
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
23
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
24
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
25
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
26
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
27
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
31
using System.Threading;
35
public static class ThreadAssist
37
private static Thread main_thread;
39
public static Thread MainThread {
40
get { return main_thread; }
43
public static Action<InvokeHandler> ProxyToMainHandler { get; set; }
45
public static void InitializeMainThread ()
47
main_thread = Thread.CurrentThread;
48
main_thread.Name = "Main Thread";
51
public static bool InMainThread {
53
if (main_thread == null) {
54
throw new ApplicationException ("ThreadAssist.InitializeMainThread must be called first");
57
return main_thread.Equals (Thread.CurrentThread);
61
public static void AssertNotInMainThread ()
63
if (ApplicationContext.Debugging && InMainThread) {
64
Hyena.Log.Warning ("In GUI thread, will probably block it", System.Environment.StackTrace);
68
public static void AssertInMainThread ()
70
if (ApplicationContext.Debugging && !InMainThread) {
71
Hyena.Log.Warning ("Not in main thread!", System.Environment.StackTrace);
75
public static void BlockingProxyToMain (InvokeHandler handler)
78
var reset_event = new System.Threading.ManualResetEvent (false);
80
ProxyToMainHandler (delegate {
88
reset_event.WaitOne ();
94
public static void ProxyToMain (InvokeHandler handler)
97
ProxyToMainHandler (handler);
103
public static void SpawnFromMain (ThreadStart threadedMethod)
106
Spawn (threadedMethod, true);
112
public static Thread Spawn (ThreadStart threadedMethod, bool autoStart)
114
Thread thread = new Thread (threadedMethod);
115
thread.Name = String.Format ("Spawned: {0}", threadedMethod);
116
thread.IsBackground = true;
123
public static Thread Spawn (ThreadStart threadedMethod)
125
return Spawn (threadedMethod, true);