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
|
// Copyright (C) 2003 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/
#include "Setup.h"
#include "Thread.h"
#include "Common.h"
#ifdef __APPLE__
#include <mach/mach.h>
#elif defined BSD4_4
#include <pthread_np.h>
#endif
#ifdef USE_BEGINTHREADEX
#include <process.h>
#endif
namespace Common
{
int CurrentThreadId()
{
#ifdef _WIN32
return GetCurrentThreadId();
#elif defined __APPLE__
return mach_thread_self();
#else
return 0;
#endif
}
#ifdef _WIN32
void SetThreadAffinity(std::thread::native_handle_type thread, u32 mask)
{
SetThreadAffinityMask(thread, mask);
}
void SetCurrentThreadAffinity(u32 mask)
{
SetThreadAffinityMask(GetCurrentThread(), mask);
}
// Supporting functions
void SleepCurrentThread(int ms)
{
Sleep(ms);
}
void SwitchCurrentThread()
{
SwitchToThread();
}
// Sets the debugger-visible name of the current thread.
// Uses undocumented (actually, it is now documented) trick.
// http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vsdebug/html/vxtsksettingthreadname.asp
// This is implemented much nicer in upcoming msvc++, see:
// http://msdn.microsoft.com/en-us/library/xcb2z8hs(VS.100).aspx
void SetCurrentThreadName(const char* szThreadName)
{
static const DWORD MS_VC_EXCEPTION = 0x406D1388;
#pragma pack(push,8)
struct THREADNAME_INFO
{
DWORD dwType; // must be 0x1000
LPCSTR szName; // pointer to name (in user addr space)
DWORD dwThreadID; // thread ID (-1=caller thread)
DWORD dwFlags; // reserved for future use, must be zero
} info;
#pragma pack(pop)
info.dwType = 0x1000;
info.szName = szThreadName;
info.dwThreadID = -1; //dwThreadID;
info.dwFlags = 0;
__try
{
RaiseException(MS_VC_EXCEPTION, 0, sizeof(info)/sizeof(ULONG_PTR), (ULONG_PTR*)&info);
}
__except(EXCEPTION_CONTINUE_EXECUTION)
{}
}
#else // !WIN32, so must be POSIX threads
void SetThreadAffinity(std::thread::native_handle_type thread, u32 mask)
{
#ifdef __APPLE__
thread_policy_set(pthread_mach_thread_np(thread),
THREAD_AFFINITY_POLICY, (integer_t *)&mask, 1);
#elif defined __linux__ || defined BSD4_4
cpu_set_t cpu_set;
CPU_ZERO(&cpu_set);
for (int i = 0; i != sizeof(mask) * 8; ++i)
if ((mask >> i) & 1)
CPU_SET(i, &cpu_set);
pthread_setaffinity_np(thread, sizeof(cpu_set), &cpu_set);
#endif
}
void SetCurrentThreadAffinity(u32 mask)
{
SetThreadAffinity(pthread_self(), mask);
}
static pthread_key_t threadname_key;
static pthread_once_t threadname_key_once = PTHREAD_ONCE_INIT;
void SleepCurrentThread(int ms)
{
usleep(1000 * ms);
}
void SwitchCurrentThread()
{
usleep(1000 * 1);
}
static void FreeThreadName(void* threadname)
{
free(threadname);
}
static void ThreadnameKeyAlloc()
{
pthread_key_create(&threadname_key, FreeThreadName);
}
void SetCurrentThreadName(const char* szThreadName)
{
pthread_once(&threadname_key_once, ThreadnameKeyAlloc);
void* threadname;
if ((threadname = pthread_getspecific(threadname_key)) != NULL)
free(threadname);
pthread_setspecific(threadname_key, strdup(szThreadName));
INFO_LOG(COMMON, "%s(%s)\n", __FUNCTION__, szThreadName);
}
#endif
} // namespace Common
|
