blob: 509c5fe7af4effd877a2142cd2b03c6b87ff7c60 (
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
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
|
// Copyright (C) 2003-2009 Dolphin Project.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, version 2.0.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official SVN repository and contact information can be found at
// http://code.google.com/p/dolphin-emu/
#ifndef _THREAD_H_
#define _THREAD_H_
#ifdef _WIN32
#include <windows.h>
#define THREAD_RETURN DWORD WINAPI
#else
#define THREAD_RETURN void*
#include <unistd.h>
#ifdef _POSIX_THREADS
#include <pthread.h>
#elif GEKKO
#include <ogc/lwp_threads.h>
#else
#error unsupported platform (no pthreads?)
#endif
#endif
// Don't include common.h here as it will break LogManager
#include "CommonTypes.h"
#include <stdio.h>
#include <string.h>
// This may not be defined outside _WIN32
#ifndef _WIN32
#ifndef INFINITE
#define INFINITE 0xffffffff
#endif
#endif
// -----------------------------------------
#ifdef SETUP_TIMER_WAITING
// -----------------
typedef void (*EventCallBack)(void);
#endif
// ----------------------
///////////////////////////////////
namespace Common
{
class CriticalSection
{
#ifdef _WIN32
CRITICAL_SECTION section;
#else
#ifdef _POSIX_THREADS
pthread_mutex_t mutex;
#endif
#endif
public:
CriticalSection(int spincount = 1000);
~CriticalSection();
void Enter();
bool TryEnter();
void Leave();
};
#ifdef _WIN32
typedef DWORD (WINAPI * ThreadFunc)(void* arg);
#else
typedef void* (*ThreadFunc)(void* arg);
#endif
class Thread
{
public:
Thread(ThreadFunc entry, void* arg);
~Thread();
void SetAffinity(int mask);
static void SetCurrentThreadAffinity(int mask);
#ifdef _WIN32
void WaitForDeath(const int _Wait = INFINITE);
#else
void WaitForDeath();
#endif
private:
#ifdef _WIN32
HANDLE m_hThread;
DWORD m_threadId;
#else
#ifdef _POSIX_THREADS
pthread_t thread_id;
#endif
#endif
};
class Event
{
public:
Event();
void Init();
void Shutdown();
void Set();
void Wait();
#ifdef _WIN32
void MsgWait();
#else
void MsgWait() {Wait();}
#endif
#ifdef SETUP_TIMER_WAITING
bool TimerWait(EventCallBack WaitCB, int Id = 0, bool OptCondition = true);
bool DoneWait();
void SetTimer();
bool DoneWaiting;
bool StartWait;
int Id;
HANDLE hTimer;
HANDLE hTimerQueue;
#endif
private:
#ifdef _WIN32
HANDLE m_hEvent;
/* If we have waited more than five seconds we can be pretty sure that the thread is deadlocked.
So then we can just as well continue and hope for the best. I could try several times that
this works after a five second timeout (with works meaning that the game stopped and I could
start another game without any noticable problems). But several times it failed to, and ended
with a crash. But it's better than an infinite deadlock. */
static const int THREAD_WAIT_TIMEOUT = 5000; // INFINITE or 5000 for example
#else
bool is_set_;
#ifdef _POSIX_THREADS
pthread_cond_t event_;
pthread_mutex_t mutex_;
#endif
#endif
};
void InitThreading();
void SleepCurrentThread(int ms);
void SetCurrentThreadName(const char *name);
LONG SyncInterlockedExchangeAdd(LONG *Dest, LONG Val);
LONG SyncInterlockedExchange(LONG *Dest, LONG Val);
LONG SyncInterlockedIncrement(LONG *Dest);
} // namespace Common
#endif // _THREAD_H_
|
