Code

add boilerplate licenses in source files
[fusedav.git] / src / openssl-thread.c
1 /* $Id$ */
3 /***
4   This file is part of fusedav.
6   fusedav is free software; you can redistribute it and/or modify it
7   under the terms of the GNU General Public License as published by
8   the Free Software Foundation; either version 2 of the License, or
9   (at your option) any later version.
10   
11   fusedav is distributed in the hope that it will be useful, but WITHOUT
12   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
13   or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
14   License for more details.
15   
16   You should have received a copy of the GNU General Public License
17   along with fusedav; if not, write to the Free Software Foundation,
18   Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 ***/
21 #ifdef HAVE_CONFIG_H
22 #include <config.h>
23 #endif
25 #include <pthread.h>
26 #include <openssl/crypto.h>
28 static pthread_mutex_t *mutexes;
29                                                                                                                                                                          
30 static void pthreads_locking_callback(int mode, int n, const char *file, int line) {
31     if (mode & CRYPTO_LOCK)
32         pthread_mutex_lock(mutexes+n);
33     else
34         pthread_mutex_unlock(mutexes+n);
35 }                                                                                                                                                                     
37 static unsigned long pthreads_thread_id(void) {
38     return (unsigned long)pthread_self();
39 }
41 void openssl_thread_setup(void) {
42     int i, l;
43     
44     mutexes = OPENSSL_malloc((l = CRYPTO_num_locks()) * sizeof(pthread_mutex_t));
46     for (i = 0; i < l; i++)
47         pthread_mutex_init(mutexes+i, NULL);
48                                                                                                                                                                          
49     CRYPTO_set_id_callback(pthreads_thread_id);
50     CRYPTO_set_locking_callback(pthreads_locking_callback);
51 }
53 void openssl_thread_cleanup(void) {
54     int i, l;
55     
56     CRYPTO_set_locking_callback(NULL);
58     l = CRYPTO_num_locks();
59     for (i = 0; i < l; i++)
60         pthread_mutex_destroy(mutexes+i);
62     OPENSSL_free(mutexes);
63 }