blob: 1c15e5f427a7a6cd4d8044b7ba5006f0a1bb1790 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
|
// **********************************************************************
//
// Copyright (c) 2003-2016 ZeroC, Inc. All rights reserved.
//
// This copy of Ice is licensed to you under the terms described in the
// ICE_LICENSE file included in this distribution.
//
// **********************************************************************
using System;
using System.Diagnostics;
using System.Collections.Generic;
using System.Threading;
//
// The .NET Compact Framework doesn't support the System.Timers.Timer class.
//
public class Timer
{
public delegate void Task();
private class Entry : IComparable<Entry>
{
public Task task;
public long when;
public int CompareTo(Entry e)
{
if(when < e.when)
{
return -1;
}
else if(when == e.when)
{
return 0;
}
else
{
return 1;
}
}
};
public Timer()
{
_t = new Thread(new ThreadStart(run));
_t.Start();
}
public void schedule(Task task, int milliseconds)
{
lock(this)
{
Entry e = new Entry();
e.task = task;
e.when = currentMonotonicTimeMillis() + milliseconds;
_tasks.Add(e);
_tasks.Sort();
Monitor.Pulse(this);
}
}
public void shutdown()
{
lock(this)
{
Entry e = new Entry();
e.task = null;
e.when = 0;
_tasks.Add(e);
_tasks.Sort();
Monitor.Pulse(this);
}
}
public void waitForShutdown()
{
_t.Join();
}
private void run()
{
while(true)
{
Entry e;
lock(this)
{
while(true)
{
while(_tasks.Count == 0)
{
Monitor.Wait(this);
}
e = _tasks[0];
if(e.task == null)
{
return;
}
long now = currentMonotonicTimeMillis();
if(now >= e.when)
{
_tasks.RemoveAt(0);
break;
}
Monitor.Wait(this, (int)(e.when - now));
}
}
e.task();
}
}
private long currentMonotonicTimeMillis()
{
return _sw.ElapsedMilliseconds;
}
private Stopwatch _sw = Stopwatch.StartNew();
private Thread _t;
private List<Entry> _tasks = new List<Entry>();
}
|
