1 /* crypto/threads/th-lock.c */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
75 #include <sys/prctl.h>
77 #include <openssl/lhash.h>
78 #include <openssl/crypto.h>
79 #include <openssl/buffer.h>
80 #include <openssl/e_os.h>
81 #include <openssl/x509.h>
82 #include <openssl/ssl.h>
83 #include <openssl/err.h>
85 int CRYPTO_thread_setup(void);
86 void CRYPTO_thread_cleanup(void);
88 static void irix_locking_callback(int mode,int type,char *file,int line);
89 static void solaris_locking_callback(int mode,int type,char *file,int line);
90 static void win32_locking_callback(int mode,int type,char *file,int line);
91 static void pthreads_locking_callback(int mode,int type,char *file,int line);
93 static unsigned long irix_thread_id(void );
94 static unsigned long solaris_thread_id(void );
95 static unsigned long pthreads_thread_id(void );
98 * CRYPTO_thread_setup();
100 * CRYPTO_thread_cleanup();
103 #define THREAD_STACK_SIZE (16*1024)
107 static HANDLE lock_cs[CRYPTO_NUM_LOCKS];
109 int CRYPTO_thread_setup(void)
113 for (i=0; i<CRYPTO_NUM_LOCKS; i++)
115 lock_cs[i]=CreateMutex(NULL,FALSE,NULL);
118 CRYPTO_set_locking_callback((void (*)(int,int,char *,int))win32_locking_callback);
119 /* id callback defined */
123 static void CRYPTO_thread_cleanup(void)
127 CRYPTO_set_locking_callback(NULL);
128 for (i=0; i<CRYPTO_NUM_LOCKS; i++)
129 CloseHandle(lock_cs[i]);
132 void win32_locking_callback(int mode, int type, char *file, int line)
134 if (mode & CRYPTO_LOCK)
136 WaitForSingleObject(lock_cs[type],INFINITE);
140 ReleaseMutex(lock_cs[type]);
150 static mutex_t lock_cs[CRYPTO_NUM_LOCKS];
152 static long lock_count[CRYPTO_NUM_LOCKS];
154 static rwlock_t lock_cs[CRYPTO_NUM_LOCKS];
157 void CRYPTO_thread_setup(void)
161 for (i=0; i<CRYPTO_NUM_LOCKS; i++)
165 mutex_init(&(lock_cs[i]),USYNC_THREAD,NULL);
167 rwlock_init(&(lock_cs[i]),USYNC_THREAD,NULL);
171 CRYPTO_set_id_callback((unsigned long (*)())solaris_thread_id);
172 CRYPTO_set_locking_callback((void (*)())solaris_locking_callback);
175 void CRYPTO_thread_cleanup(void)
179 CRYPTO_set_locking_callback(NULL);
180 for (i=0; i<CRYPTO_NUM_LOCKS; i++)
183 mutex_destroy(&(lock_cs[i]));
185 rwlock_destroy(&(lock_cs[i]));
190 void solaris_locking_callback(int mode, int type, char *file, int line)
193 fprintf(stderr,"thread=%4d mode=%s lock=%s %s:%d\n",
195 (mode&CRYPTO_LOCK)?"l":"u",
196 (type&CRYPTO_READ)?"r":"w",file,line);
200 if (CRYPTO_LOCK_SSL_CERT == type)
201 fprintf(stderr,"(t,m,f,l) %ld %d %s %d\n",
205 if (mode & CRYPTO_LOCK)
208 mutex_lock(&(lock_cs[type]));
210 if (mode & CRYPTO_READ)
211 rw_rdlock(&(lock_cs[type]));
213 rw_wrlock(&(lock_cs[type]));
220 mutex_unlock(&(lock_cs[type]));
222 rw_unlock(&(lock_cs[type]));
227 unsigned long solaris_thread_id(void)
231 ret=(unsigned long)thr_self();
237 /* I don't think this works..... */
239 static usptr_t *arena;
240 static usema_t *lock_cs[CRYPTO_NUM_LOCKS];
242 void CRYPTO_thread_setup(void)
247 strcpy(filename,"/tmp/mttest.XXXXXX");
250 usconfig(CONF_STHREADIOOFF);
251 usconfig(CONF_STHREADMALLOCOFF);
252 usconfig(CONF_INITUSERS,100);
253 usconfig(CONF_LOCKTYPE,US_DEBUGPLUS);
254 arena=usinit(filename);
257 for (i=0; i<CRYPTO_NUM_LOCKS; i++)
259 lock_cs[i]=usnewsema(arena,1);
262 CRYPTO_set_id_callback((unsigned long (*)())irix_thread_id);
263 CRYPTO_set_locking_callback((void (*)())irix_locking_callback);
266 void CRYPTO_thread_cleanup(void)
270 CRYPTO_set_locking_callback(NULL);
271 for (i=0; i<CRYPTO_NUM_LOCKS; i++)
275 sprintf(buf,"%2d:",i);
276 usdumpsema(lock_cs[i],stdout,buf);
277 usfreesema(lock_cs[i],arena);
281 void irix_locking_callback(int mode, int type, char *file, int line)
283 if (mode & CRYPTO_LOCK)
285 uspsema(lock_cs[type]);
289 usvsema(lock_cs[type]);
293 unsigned long irix_thread_id(void)
297 ret=(unsigned long)getpid();
302 /* Linux and a few others */
305 static pthread_mutex_t lock_cs[CRYPTO_NUM_LOCKS];
306 static long lock_count[CRYPTO_NUM_LOCKS];
308 void CRYPTO_thread_setup(void)
312 for (i=0; i<CRYPTO_NUM_LOCKS; i++)
315 pthread_mutex_init(&(lock_cs[i]),NULL);
318 CRYPTO_set_id_callback((unsigned long (*)())pthreads_thread_id);
319 CRYPTO_set_locking_callback((void (*)())pthreads_locking_callback);
322 void thread_cleanup(void)
326 CRYPTO_set_locking_callback(NULL);
327 for (i=0; i<CRYPTO_NUM_LOCKS; i++)
329 pthread_mutex_destroy(&(lock_cs[i]));
333 void pthreads_locking_callback(int mode, int type, char *file,
337 fprintf(stderr,"thread=%4d mode=%s lock=%s %s:%d\n",
339 (mode&CRYPTO_LOCK)?"l":"u",
340 (type&CRYPTO_READ)?"r":"w",file,line);
343 if (CRYPTO_LOCK_SSL_CERT == type)
344 fprintf(stderr,"(t,m,f,l) %ld %d %s %d\n",
348 if (mode & CRYPTO_LOCK)
350 pthread_mutex_lock(&(lock_cs[type]));
355 pthread_mutex_unlock(&(lock_cs[type]));
359 unsigned long pthreads_thread_id(void)
363 ret=(unsigned long)pthread_self();
367 #endif /* PTHREADS */