summaryrefslogtreecommitdiffstats
path: root/common/thread.c
blob: da7eb2185dc1888dfa2603926b3043c788a71eac (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
/*
 * thread.c
 *
 * Copyright (c) 2012-2019 Nikias Bassen, All Rights Reserved.
 * Copyright (c) 2012 Martin Szulecki, All Rights Reserved.
 *
 * This library 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 library 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 library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "thread.h"

int thread_new(THREAD_T *thread, thread_func_t thread_func, void* data)
{
#ifdef WIN32
	HANDLE th = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)thread_func, data, 0, NULL);
	if (th == NULL) {
		return -1;
	}
	*thread = th;
	return 0;
#else
	int res = pthread_create(thread, NULL, thread_func, data);
	return res;
#endif
}

void thread_detach(THREAD_T thread)
{
#ifdef WIN32
	CloseHandle(thread);
#else
	pthread_detach(thread);
#endif
}

void thread_free(THREAD_T thread)
{
#ifdef WIN32
	CloseHandle(thread);
#endif
}

int thread_join(THREAD_T thread)
{
	/* wait for thread to complete */
#ifdef WIN32
	return (int)WaitForSingleObject(thread, INFINITE);
#else
	return pthread_join(thread, NULL);
#endif
}

int thread_alive(THREAD_T thread)
{
#ifdef WIN32
	return WaitForSingleObject(thread, 0) == WAIT_TIMEOUT;
#else
	return pthread_kill(thread, 0) == 0;
#endif
}

int thread_cancel(THREAD_T thread)
{
#ifdef WIN32
	return 0;
#else
#ifdef HAVE_PTHREAD_CANCEL
	return pthread_cancel(thread);
#else
	return 0;
#endif
#endif
}

void mutex_init(mutex_t* mutex)
{
#ifdef WIN32
	InitializeCriticalSection(mutex);
#else
	pthread_mutex_init(mutex, NULL);
#endif
}

void mutex_destroy(mutex_t* mutex)
{
#ifdef WIN32
	DeleteCriticalSection(mutex);
#else
	pthread_mutex_destroy(mutex);
#endif
}

void mutex_lock(mutex_t* mutex)
{
#ifdef WIN32
	EnterCriticalSection(mutex);
#else
	pthread_mutex_lock(mutex);
#endif
}

void mutex_unlock(mutex_t* mutex)
{
#ifdef WIN32
	LeaveCriticalSection(mutex);
#else
	pthread_mutex_unlock(mutex);
#endif
}

void thread_once(thread_once_t *once_control, void (*init_routine)(void))
{
#ifdef WIN32
	while (InterlockedExchange(&(once_control->lock), 1) != 0) {
		Sleep(1);
	}
	if (!once_control->state) {
		once_control->state = 1;
		init_routine();
	}
	InterlockedExchange(&(once_control->lock), 0);
#else
	pthread_once(once_control, init_routine);
#endif
}