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
|
/*
** ClanLib SDK
** Copyright (c) 1997-2005 The ClanLib Team
**
** This software is provided 'as-is', without any express or implied
** warranty. In no event will the authors be held liable for any damages
** arising from the use of this software.
**
** Permission is granted to anyone to use this software for any purpose,
** including commercial applications, and to alter it and redistribute it
** freely, subject to the following restrictions:
**
** 1. The origin of this software must not be misrepresented; you must not
** claim that you wrote the original software. If you use this software
** in a product, an acknowledgment in the product documentation would be
** appreciated but is not required.
** 2. Altered source versions must be plainly marked as such, and must not be
** misrepresented as being the original software.
** 3. This notice may not be removed or altered from any source distribution.
**
** Note: Some of the libraries ClanLib may link to may have additional
** requirements or restrictions.
**
** File Author(s):
**
** Magnus Norddahl
** (if your name is missing here, please add it)
*/
#ifndef __USE_UNIX98
#define __USE_UNIX98
#endif
#include "Core/precomp.h"
#include "API/Core/System/cl_assert.h"
#include <pthread.h>
#include "mutex_pthread.h"
// We need to do this because the posix threads library under linux obviously
// suck:
extern "C"
{
#if defined(__APPLE__) || defined (__FreeBSD__) || defined (__FreeBSD_kernel__) || defined(__OpenBSD__)
int pthread_mutexattr_settype(pthread_mutexattr_t *attr, int kind);
#else
int pthread_mutexattr_setkind_np(pthread_mutexattr_t *attr, int kind);
#endif
}
CL_Mutex *CL_Mutex::create()
{
return new CL_Mutex;
}
////////////////////////////////////////////////////////////////////////////////
// CL_Mutex Posix implementation
CL_Mutex::CL_Mutex()
: impl(new CL_Mutex_Generic)
{
pthread_mutexattr_t attr;
pthread_mutexattr_init(&attr);
#if defined(__APPLE__) || defined (__FreeBSD__) || defined (__FreeBSD_kernel__) || defined(__OpenBSD__)
pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
#else
#if PTHREAD_MUTEX_RECURSIVE_NP
// cygwin
pthread_mutexattr_setkind_np(&attr, PTHREAD_MUTEX_RECURSIVE);
#else
pthread_mutexattr_setkind_np(&attr, PTHREAD_MUTEX_RECURSIVE_NP);
#endif
#endif
pthread_mutex_init(&impl->mutex, &attr);
pthread_mutexattr_destroy(&attr);
pthread_cond_init(&impl->cond,0);
}
CL_Mutex::CL_Mutex(const CL_Mutex ©)
{
cl_assert(false);
}
void CL_Mutex::operator=(const CL_Mutex ©)
{
cl_assert(false);
}
CL_Mutex::~CL_Mutex()
{
pthread_mutex_destroy(&impl->mutex);
pthread_cond_destroy(&impl->cond);
delete impl;
}
void CL_Mutex::enter()
{
pthread_mutex_lock(&impl->mutex);
}
void CL_Mutex::leave()
{
pthread_mutex_unlock(&impl->mutex);
}
void CL_Mutex::wait()
{
pthread_cond_wait(&impl->cond,&impl->mutex);
}
void CL_Mutex::notify()
{
pthread_cond_signal(&impl->cond);
}
void CL_Mutex::notify_all()
{
pthread_cond_broadcast(&impl->cond);
}
|
