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
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
|
/*
** ClanLib SDK
** Copyright (c) 1997-2005 The ClanLib Team
**
** This software is provided 'as-is', without any express or implied
** warranty. In no event will the authors be held liable for any damages
** arising from the use of this software.
**
** Permission is granted to anyone to use this software for any purpose,
** including commercial applications, and to alter it and redistribute it
** freely, subject to the following restrictions:
**
** 1. The origin of this software must not be misrepresented; you must not
** claim that you wrote the original software. If you use this software
** in a product, an acknowledgment in the product documentation would be
** appreciated but is not required.
** 2. Altered source versions must be plainly marked as such, and must not be
** misrepresented as being the original software.
** 3. This notice may not be removed or altered from any source distribution.
**
** Note: Some of the libraries ClanLib may link to may have additional
** requirements or restrictions.
**
** File Author(s):
**
** Magnus Norddahl
** (if your name is missing here, please add it)
*/
#include "Core/precomp.h"
#include <list>
#include <map>
#include "API/Core/System/keep_alive.h"
#include "API/Core/System/system.h"
#include "API/Core/System/event_listener.h"
#include "API/Core/System/thread.h"
#include "API/Core/System/mutex.h"
unsigned int CL_System::susp_start;
unsigned int CL_System::susp_cnt = 0;
unsigned int CL_System::susp_accum = 0;
void CL_System::suspend_time()
{
++susp_cnt;
if (susp_cnt == 1)
susp_start = sys_time();
}
void CL_System::resume_time()
{
if (susp_cnt != 0) {
--susp_cnt;
if (susp_cnt == 0) {
susp_accum += sys_time() - susp_start;
}
}
}
unsigned int CL_System::get_time()
{
if (susp_cnt == 0)
return sys_time() - susp_accum;
else
return susp_start - susp_accum;
}
CL_Mutex mutex_keep_alive;
std::map<CL_ThreadId, std::list<CL_KeepAlive*>* > keep_alives;
CL_KeepAlive::CL_KeepAlive()
{
create_thread_id = CL_Thread::get_current_id();
CL_MutexSection mutex_lock(&mutex_keep_alive);
std::map<CL_ThreadId, std::list<CL_KeepAlive*>* >::iterator it;
it = keep_alives.find(create_thread_id);
if (it == keep_alives.end())
{
keep_alives[create_thread_id] = new std::list<CL_KeepAlive*>;
}
keep_alives[create_thread_id]->push_back(this);
}
CL_KeepAlive::~CL_KeepAlive()
{
CL_MutexSection mutex_lock(&mutex_keep_alive);
std::list<CL_KeepAlive*> *list = keep_alives[create_thread_id];
list->remove(this);
if (list->empty())
{
delete list;
keep_alives.erase(keep_alives.find(create_thread_id));
}
}
void CL_System::keep_alive()
{
CL_ThreadId cur_thread_id = CL_Thread::get_current_id();
CL_MutexSection mutex_lock(&mutex_keep_alive);
std::map<CL_ThreadId, std::list<CL_KeepAlive*>* >::iterator it_map;
it_map = keep_alives.find(cur_thread_id);
if (it_map == keep_alives.end()) return;
std::list<CL_KeepAlive*> *list = it_map->second;
for (
std::list<CL_KeepAlive*>::iterator it = list->begin();
it != list->end();
it++)
{
(*it)->keep_alive();
}
}
void CL_System::keep_alive(int millis)
{
CL_EventListener events;
keep_alive(events, millis);
}
bool CL_System::keep_alive(CL_EventListener &events, int timeout)
{
// TODO: Add triggers for keep alive objects.
if (timeout == -1)
{
do CL_System::keep_alive(); while (!events.wait(10));
return true;
}
else
{
while (timeout > 0)
{
CL_System::keep_alive();
if (events.wait(timeout > 10 ? 10 : timeout)) return true;
timeout -= 10;
}
return false;
}
}
|
