blob: c25d6472e119b794c047db958bd34c19be37a718 (
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
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
|
/*
* Copyright (C) 2010-2016 Free Software Foundation, Inc.
* Copyright (C) 2015-2016 Red Hat, Inc.
*
* Author: Nikos Mavrogiannopoulos
*
* This file is part of GnuTLS.
*
* The GnuTLS 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 program. If not, see <http://www.gnu.org/licenses/>
*
*/
#include <config.h>
#include <system.h>
#include "gnutls_int.h"
#include "errors.h"
#include <sys/socket.h>
#include <errno.h>
#include <sys/stat.h>
#include <sys/types.h>
#ifdef _WIN32
# include <windows.h>
# include <wincrypt.h>
#else /* !_WIN32 */
# ifdef HAVE_PTHREAD_LOCKS
# include <pthread.h>
# endif
#endif
/* System specific lock function wrappers.
*/
/* Thread stuff */
#ifdef HAVE_WIN32_LOCKS
static int gnutls_system_mutex_init(void **priv)
{
CRITICAL_SECTION *lock = malloc(sizeof(CRITICAL_SECTION));
if (lock == NULL)
return GNUTLS_E_MEMORY_ERROR;
InitializeCriticalSection(lock);
*priv = lock;
return 0;
}
static int gnutls_system_mutex_deinit(void **priv)
{
DeleteCriticalSection((CRITICAL_SECTION *) * priv);
free(*priv);
return 0;
}
static int gnutls_system_mutex_lock(void **priv)
{
EnterCriticalSection((CRITICAL_SECTION *) * priv);
return 0;
}
static int gnutls_system_mutex_unlock(void **priv)
{
LeaveCriticalSection((CRITICAL_SECTION *) * priv);
return 0;
}
#endif /* WIN32_LOCKS */
#ifdef HAVE_PTHREAD_LOCKS
static int gnutls_system_mutex_init(void **priv)
{
pthread_mutex_t *lock = malloc(sizeof(pthread_mutex_t));
int ret;
if (lock == NULL)
return GNUTLS_E_MEMORY_ERROR;
ret = pthread_mutex_init(lock, NULL);
if (ret) {
free(lock);
gnutls_assert();
return GNUTLS_E_LOCKING_ERROR;
}
*priv = lock;
return 0;
}
static int gnutls_system_mutex_deinit(void **priv)
{
pthread_mutex_destroy((pthread_mutex_t *) * priv);
free(*priv);
return 0;
}
static int gnutls_system_mutex_lock(void **priv)
{
if (pthread_mutex_lock((pthread_mutex_t *) * priv)) {
gnutls_assert();
return GNUTLS_E_LOCKING_ERROR;
}
return 0;
}
static int gnutls_system_mutex_unlock(void **priv)
{
if (pthread_mutex_unlock((pthread_mutex_t *) * priv)) {
gnutls_assert();
return GNUTLS_E_LOCKING_ERROR;
}
return 0;
}
#endif /* PTHREAD_LOCKS */
#ifdef HAVE_NO_LOCKS
static int gnutls_system_mutex_init(void **priv)
{
return 0;
}
static int gnutls_system_mutex_deinit(void **priv)
{
return 0;
}
static int gnutls_system_mutex_lock(void **priv)
{
return 0;
}
static int gnutls_system_mutex_unlock(void **priv)
{
return 0;
}
#endif /* NO_LOCKS */
mutex_init_func gnutls_mutex_init = gnutls_system_mutex_init;
mutex_deinit_func gnutls_mutex_deinit = gnutls_system_mutex_deinit;
mutex_lock_func gnutls_mutex_lock = gnutls_system_mutex_lock;
mutex_unlock_func gnutls_mutex_unlock = gnutls_system_mutex_unlock;
|
