1 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
4 * This package is an SSL implementation written
5 * by Eric Young (eay@cryptsoft.com).
6 * The implementation was written so as to conform with Netscapes SSL.
8 * This library is free for commercial and non-commercial use as long as
9 * the following conditions are aheared to. The following conditions
10 * apply to all code found in this distribution, be it the RC4, RSA,
11 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
12 * included with this distribution is covered by the same copyright terms
13 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 * Copyright remains Eric Young's, and as such any Copyright notices in
16 * the code are not to be removed.
17 * If this package is used in a product, Eric Young should be given attribution
18 * as the author of the parts of the library used.
19 * This can be in the form of a textual message at program startup or
20 * in documentation (online or textual) provided with the package.
22 * Redistribution and use in source and binary forms, with or without
23 * modification, are permitted provided that the following conditions
25 * 1. Redistributions of source code must retain the copyright
26 * notice, this list of conditions and the following disclaimer.
27 * 2. Redistributions in binary form must reproduce the above copyright
28 * notice, this list of conditions and the following disclaimer in the
29 * documentation and/or other materials provided with the distribution.
30 * 3. All advertising materials mentioning features or use of this software
31 * must display the following acknowledgement:
32 * "This product includes cryptographic software written by
33 * Eric Young (eay@cryptsoft.com)"
34 * The word 'cryptographic' can be left out if the rouines from the library
35 * being used are not cryptographic related :-).
36 * 4. If you include any Windows specific code (or a derivative thereof) from
37 * the apps directory (application code) you must include an acknowledgement:
38 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
41 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
43 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
44 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
45 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
46 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
48 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
49 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
52 * The licence and distribution terms for any publically available version or
53 * derivative of this code cannot be changed. i.e. this code cannot simply be
54 * copied and put under another distribution licence
55 * [including the GNU Public Licence.]
63 # include <typedefs.h>
65 #ifdef OPENSSL_SYS_WIN32
71 #include <openssl/lhash.h>
72 #include <openssl/crypto.h>
73 #include <openssl/buffer.h>
74 #include "../../e_os.h"
75 #include <openssl/x509.h>
76 #include <openssl/ssl.h>
77 #include <openssl/err.h>
79 void CRYPTO_thread_setup(void);
80 void CRYPTO_thread_cleanup(void);
82 static void win32_locking_callback(int mode, int type, char *file, int line);
83 static void pthreads_locking_callback(int mode, int type, char *file, int line);
84 static unsigned long pthreads_thread_id(void);
88 * CRYPTO_thread_setup();
90 * CRYPTO_thread_cleanup();
93 #ifdef OPENSSL_SYS_WIN32
95 static HANDLE *lock_cs;
97 void CRYPTO_thread_setup(void)
101 lock_cs = OPENSSL_malloc(CRYPTO_num_locks() * sizeof(HANDLE));
103 /* Nothing we can do about this...void function! */
106 for (i = 0; i < CRYPTO_num_locks(); i++) {
107 lock_cs[i] = CreateMutex(NULL, FALSE, NULL);
110 CRYPTO_set_locking_callback((void (*)(int, int, char *, int))
111 win32_locking_callback);
112 /* id callback defined */
116 static void CRYPTO_thread_cleanup(void)
120 CRYPTO_set_locking_callback(NULL);
121 for (i = 0; i < CRYPTO_num_locks(); i++)
122 CloseHandle(lock_cs[i]);
123 OPENSSL_free(lock_cs);
126 void win32_locking_callback(int mode, int type, char *file, int line)
128 if (mode & CRYPTO_LOCK) {
129 WaitForSingleObject(lock_cs[type], INFINITE);
131 ReleaseMutex(lock_cs[type]);
135 #endif /* OPENSSL_SYS_WIN32 */
137 /* Linux and a few others */
140 static pthread_mutex_t *lock_cs;
141 static long *lock_count;
143 void CRYPTO_thread_setup(void)
147 lock_cs = OPENSSL_malloc(CRYPTO_num_locks() * sizeof(pthread_mutex_t));
148 lock_count = OPENSSL_malloc(CRYPTO_num_locks() * sizeof(long));
149 if (!lock_cs || !lock_count) {
150 /* Nothing we can do about this...void function! */
151 OPENSSL_free(lock_cs);
152 OPENSSL_free(lock_count);
155 for (i = 0; i < CRYPTO_num_locks(); i++) {
157 pthread_mutex_init(&(lock_cs[i]), NULL);
160 CRYPTO_set_id_callback((unsigned long (*)())pthreads_thread_id);
161 CRYPTO_set_locking_callback((void (*)())pthreads_locking_callback);
164 void thread_cleanup(void)
168 CRYPTO_set_locking_callback(NULL);
169 for (i = 0; i < CRYPTO_num_locks(); i++) {
170 pthread_mutex_destroy(&(lock_cs[i]));
172 OPENSSL_free(lock_cs);
173 OPENSSL_free(lock_count);
176 void pthreads_locking_callback(int mode, int type, char *file, int line)
178 if (mode & CRYPTO_LOCK) {
179 pthread_mutex_lock(&(lock_cs[type]));
182 pthread_mutex_unlock(&(lock_cs[type]));
186 unsigned long pthreads_thread_id(void)
190 ret = (unsigned long)pthread_self();
194 #endif /* PTHREADS */