blob: 284ae78045b51ef545ca2d94a6edacd5bdfa01e7 (
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
|
/*
* Copyright 2003-2016 The Music Player Daemon Project
* http://www.musicpd.org
*
* 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; either version 2 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 General Public License for more details.
*
* You should have received a copy of the GNU 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 MPD_THREAD_ID_HXX
#define MPD_THREAD_ID_HXX
#include "Compiler.h"
#ifdef WIN32
#include <windows.h>
#else
#include <pthread.h>
#endif
/**
* A low-level identification for a thread. Designed to work with
* existing threads, such as the main thread. Mostly useful for
* debugging code.
*/
class ThreadId {
#ifdef WIN32
DWORD id;
#else
pthread_t id;
#endif
public:
/**
* No initialisation.
*/
ThreadId() = default;
#ifdef WIN32
constexpr ThreadId(DWORD _id):id(_id) {}
#else
constexpr ThreadId(pthread_t _id):id(_id) {}
#endif
gcc_const
static ThreadId Null() {
#ifdef WIN32
return 0;
#else
static ThreadId null;
return null;
#endif
}
gcc_pure
bool IsNull() const {
return *this == Null();
}
/**
* Return the current thread's id .
*/
gcc_pure
static const ThreadId GetCurrent() {
#ifdef WIN32
return ::GetCurrentThreadId();
#else
return pthread_self();
#endif
}
gcc_pure
bool operator==(const ThreadId &other) const {
#ifdef WIN32
return id == other.id;
#else
return pthread_equal(id, other.id);
#endif
}
/**
* Check if this thread is the current thread.
*/
bool IsInside() const {
return *this == GetCurrent();
}
};
#endif
|
