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
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
|
static inline bool CriticalSectionCreate(CRITSECT_HANDLE *CritSection)
{
#ifdef _WIN_ALL
InitializeCriticalSection(CritSection);
return true;
#elif defined(_UNIX)
return pthread_mutex_init(CritSection,NULL)==0;
#endif
}
static inline void CriticalSectionDelete(CRITSECT_HANDLE *CritSection)
{
#ifdef _WIN_ALL
DeleteCriticalSection(CritSection);
#elif defined(_UNIX)
pthread_mutex_destroy(CritSection);
#endif
}
static inline void CriticalSectionStart(CRITSECT_HANDLE *CritSection)
{
#ifdef _WIN_ALL
EnterCriticalSection(CritSection);
#elif defined(_UNIX)
pthread_mutex_lock(CritSection);
#endif
}
static inline void CriticalSectionEnd(CRITSECT_HANDLE *CritSection)
{
#ifdef _WIN_ALL
LeaveCriticalSection(CritSection);
#elif defined(_UNIX)
pthread_mutex_unlock(CritSection);
#endif
}
static THREAD_HANDLE ThreadCreate(NATIVE_THREAD_PTR Proc,void *Data)
{
#ifdef _UNIX
/*
pthread_attr_t attr;
pthread_attr_init(&attr);
pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_JOINABLE);
*/
pthread_t pt;
int Code=pthread_create(&pt,NULL/*&attr*/,Proc,Data);
if (Code!=0)
{
wchar Msg[100];
swprintf(Msg,ASIZE(Msg),L"\npthread_create failed, code %d\n",Code);
ErrHandler.GeneralErrMsg(Msg);
ErrHandler.SysErrMsg();
ErrHandler.Exit(RARX_FATAL);
}
return pt;
#else
DWORD ThreadId;
HANDLE hThread=CreateThread(NULL,0x10000,Proc,Data,0,&ThreadId);
if (hThread==NULL)
{
ErrHandler.GeneralErrMsg(L"CreateThread failed");
ErrHandler.SysErrMsg();
ErrHandler.Exit(RARX_FATAL);
}
return hThread;
#endif
}
static void ThreadClose(THREAD_HANDLE hThread)
{
#ifdef _UNIX
pthread_join(hThread,NULL);
#else
CloseHandle(hThread);
#endif
}
#ifdef _WIN_ALL
static void CWaitForSingleObject(HANDLE hHandle)
{
DWORD rc=WaitForSingleObject(hHandle,INFINITE);
if (rc==WAIT_FAILED)
{
ErrHandler.GeneralErrMsg(L"\nWaitForMultipleObjects error %d, GetLastError %d",rc,GetLastError());
ErrHandler.Exit(RARX_FATAL);
}
}
#endif
#ifdef _UNIX
static void cpthread_cond_wait(pthread_cond_t *cond, pthread_mutex_t *mutex)
{
int rc=pthread_cond_wait(cond,mutex);
if (rc!=0)
{
ErrHandler.GeneralErrMsg(L"\npthread_cond_wait error %d",rc);
ErrHandler.Exit(RARX_FATAL);
}
}
#endif
uint GetNumberOfCPU()
{
#ifndef RAR_SMP
return 1;
#else
#ifdef _UNIX
#ifdef _SC_NPROCESSORS_ONLN
uint Count=(uint)sysconf(_SC_NPROCESSORS_ONLN);
return Count<1 ? 1:Count;
#elif defined(_APPLE)
uint Count;
size_t Size=sizeof(Count);
return sysctlbyname("hw.ncpu",&Count,&Size,NULL,0)==0 ? Count:1;
#endif
#else // !_UNIX
#ifdef WIN32_CPU_GROUPS
// https://learn.microsoft.com/en-us/windows/win32/api/winbase/nf-winbase-getprocessaffinitymask
// "Starting with Windows 11 and Windows Server 2022, on a system with
// more than 64 processors, process and thread affinities span all
// processors in the system, across all processor groups, by default."
// Supposing there are 80 CPUs in 2 processor groups 40 CPUs each.
// Looks like, beginning from Windows 11 an app can use them all by default,
// not resorting to processor groups API. But if we use GetProcessAffinityMask
// to count CPUs, we would be limited to 40 CPUs only. So we call
// GetActiveProcessorCount() if it is available anf if there are multiple
// processor groups. For a single group we prefer the affinity aware
// GetProcessAffinityMask(). Out thread pool code handles the case
// with restricted processor group affinity. So we avoid the complicated
// code to calculate all processor groups affinity here, such as using
// GetLogicalProcessorInformationEx, and resort to GetActiveProcessorCount().
HMODULE hKernel=GetModuleHandle(L"kernel32.dll");
if (hKernel!=nullptr)
{
typedef DWORD (WINAPI *GETACTIVEPROCESSORCOUNT)(WORD GroupNumber);
GETACTIVEPROCESSORCOUNT pGetActiveProcessorCount=(GETACTIVEPROCESSORCOUNT)GetProcAddress(hKernel,"GetActiveProcessorCount");
typedef WORD (WINAPI *GETACTIVEPROCESSORGROUPCOUNT)();
GETACTIVEPROCESSORGROUPCOUNT pGetActiveProcessorGroupCount=(GETACTIVEPROCESSORGROUPCOUNT)GetProcAddress(hKernel,"GetActiveProcessorGroupCount");
if (pGetActiveProcessorCount!=nullptr && pGetActiveProcessorGroupCount!=nullptr &&
pGetActiveProcessorGroupCount()>1)
{
// Once the thread pool called SetThreadGroupAffinity(),
// GetProcessAffinityMask() below will return 0. So we shall always
// use GetActiveProcessorCount() here if there are multiple processor
// groups, which makes SetThreadGroupAffinity() call possible.
DWORD Count=pGetActiveProcessorCount(ALL_PROCESSOR_GROUPS);
return Count;
}
}
#endif
DWORD_PTR ProcessMask;
DWORD_PTR SystemMask;
if (!GetProcessAffinityMask(GetCurrentProcess(),&ProcessMask,&SystemMask))
return 1;
uint Count=0;
for (DWORD_PTR Mask=1;Mask!=0;Mask<<=1)
if ((ProcessMask & Mask)!=0)
Count++;
return Count<1 ? 1:Count;
#endif
#endif // RAR_SMP
}
uint GetNumberOfThreads()
{
uint NumCPU=GetNumberOfCPU();
if (NumCPU<1)
return 1;
if (NumCPU>MaxPoolThreads)
return MaxPoolThreads;
return NumCPU;
}
|
