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
|
/*
Minetest
Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef THREADS_HEADER
#define THREADS_HEADER
//
// Determine which threading APIs we will use
//
#if __cplusplus >= 201103L
#define USE_CPP11_THREADS 1
#elif defined(_WIN32)
#define USE_WIN_THREADS 1
#else
#define USE_POSIX_THREADS 1
#endif
#if defined(_WIN32)
// Prefer critical section API because std::mutex is much slower on Windows
#define USE_WIN_MUTEX 1
#elif __cplusplus >= 201103L
#define USE_CPP11_MUTEX 1
#else
#define USE_POSIX_MUTEX 1
#endif
///////////////
#if USE_CPP11_THREADS
#include <thread>
#elif USE_POSIX_THREADS
#include <pthread.h>
#else
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
#include <windows.h>
#endif
#include "threading/mutex.h"
//
// threadid_t, threadhandle_t
//
#if USE_CPP11_THREADS
typedef std::thread::id threadid_t;
typedef std::thread::native_handle_type threadhandle_t;
#elif USE_WIN_THREADS
typedef DWORD threadid_t;
typedef HANDLE threadhandle_t;
#elif USE_POSIX_THREADS
typedef pthread_t threadid_t;
typedef pthread_t threadhandle_t;
#endif
//
// ThreadStartFunc
//
#if USE_CPP11_THREADS || USE_POSIX_THREADS
typedef void *ThreadStartFunc(void *param);
#elif defined(_WIN32_WCE)
typedef DWORD ThreadStartFunc(LPVOID param);
#elif defined(_WIN32)
typedef DWORD WINAPI ThreadStartFunc(LPVOID param);
#endif
inline threadid_t thr_get_current_thread_id()
{
#if USE_CPP11_THREADS
return std::this_thread::get_id();
#elif USE_WIN_THREADS
return GetCurrentThreadId();
#elif USE_POSIX_THREADS
return pthread_self();
#endif
}
inline bool thr_compare_thread_id(threadid_t thr1, threadid_t thr2)
{
#if USE_POSIX_THREADS
return pthread_equal(thr1, thr2);
#else
return thr1 == thr2;
#endif
}
inline bool thr_is_current_thread(threadid_t thr)
{
return thr_compare_thread_id(thr_get_current_thread_id(), thr);
}
#endif
|
