File: mutex_pthread.cpp

package info (click to toggle)
clanlib 0.5.4-1-6
  • links: PTS
  • area: main
  • in suites: woody
  • size: 10,320 kB
  • ctags: 10,893
  • sloc: cpp: 76,056; xml: 3,281; sh: 2,961; perl: 1,204; asm: 837; makefile: 775
file content (92 lines) | stat: -rw-r--r-- 1,859 bytes parent folder | download
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
/*
	$Id: mutex_pthread.cpp,v 1.4 2001/05/07 17:10:12 japj Exp $

	------------------------------------------------------------------------
	ClanLib, the platform independent game SDK.

	This library is distributed under the GNU LIBRARY GENERAL PUBLIC LICENSE
	version 2. See COPYING for details.

	For a total list of contributers see CREDITS.

	------------------------------------------------------------------------
*/

#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"
{
	int pthread_mutexattr_setkind_np(pthread_mutexattr_t *attr, int kind);
}

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);
#ifdef __FreeBSD__
	pthread_mutexattr_setkind_np(&attr, PTHREAD_MUTEX_RECURSIVE);
#else
	pthread_mutexattr_setkind_np(&attr, PTHREAD_MUTEX_RECURSIVE_NP);
#endif
	pthread_mutex_init(&impl->mutex, &attr);
	pthread_mutexattr_destroy(&attr);

	pthread_cond_init(&impl->cond,0);
}

CL_Mutex::CL_Mutex(const CL_Mutex &copy)
{
	cl_assert(false);
}

void CL_Mutex::operator=(const CL_Mutex &copy)
{
	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);
}