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| 1 /* crypto/threads/th-lock.c */ | |
| 2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) | |
| 3 * All rights reserved. | |
| 4 * | |
| 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. | |
| 8 * | |
| 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). | |
| 15 * | |
| 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. | |
| 22 * | |
| 23 * Redistribution and use in source and binary forms, with or without | |
| 24 * modification, are permitted provided that the following conditions | |
| 25 * are met: | |
| 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)" | |
| 40 * | |
| 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 | |
| 51 * SUCH DAMAGE. | |
| 52 * | |
| 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.] | |
| 57 */ | |
| 58 | |
| 59 #include <stdio.h> | |
| 60 #include <stdlib.h> | |
| 61 #include <string.h> | |
| 62 #include <errno.h> | |
| 63 #ifdef LINUX | |
| 64 #include <typedefs.h> | |
| 65 #endif | |
| 66 #ifdef OPENSSL_SYS_WIN32 | |
| 67 #include <windows.h> | |
| 68 #endif | |
| 69 #ifdef SOLARIS | |
| 70 #include <synch.h> | |
| 71 #include <thread.h> | |
| 72 #endif | |
| 73 #ifdef IRIX | |
| 74 #include <ulocks.h> | |
| 75 #include <sys/prctl.h> | |
| 76 #endif | |
| 77 #ifdef PTHREADS | |
| 78 #include <pthread.h> | |
| 79 #endif | |
| 80 #include <openssl/lhash.h> | |
| 81 #include <openssl/crypto.h> | |
| 82 #include <openssl/buffer.h> | |
| 83 #include "../../e_os.h" | |
| 84 #include <openssl/x509.h> | |
| 85 #include <openssl/ssl.h> | |
| 86 #include <openssl/err.h> | |
| 87 | |
| 88 void CRYPTO_thread_setup(void); | |
| 89 void CRYPTO_thread_cleanup(void); | |
| 90 | |
| 91 static void irix_locking_callback(int mode,int type,char *file,int line); | |
| 92 static void solaris_locking_callback(int mode,int type,char *file,int line); | |
| 93 static void win32_locking_callback(int mode,int type,char *file,int line); | |
| 94 static void pthreads_locking_callback(int mode,int type,char *file,int line); | |
| 95 | |
| 96 static unsigned long irix_thread_id(void ); | |
| 97 static unsigned long solaris_thread_id(void ); | |
| 98 static unsigned long pthreads_thread_id(void ); | |
| 99 | |
| 100 /* usage: | |
| 101 * CRYPTO_thread_setup(); | |
| 102 * application code | |
| 103 * CRYPTO_thread_cleanup(); | |
| 104 */ | |
| 105 | |
| 106 #define THREAD_STACK_SIZE (16*1024) | |
| 107 | |
| 108 #ifdef OPENSSL_SYS_WIN32 | |
| 109 | |
| 110 static HANDLE *lock_cs; | |
| 111 | |
| 112 void CRYPTO_thread_setup(void) | |
| 113 { | |
| 114 int i; | |
| 115 | |
| 116 lock_cs=OPENSSL_malloc(CRYPTO_num_locks() * sizeof(HANDLE)); | |
| 117 for (i=0; i<CRYPTO_num_locks(); i++) | |
| 118 { | |
| 119 lock_cs[i]=CreateMutex(NULL,FALSE,NULL); | |
| 120 } | |
| 121 | |
| 122 CRYPTO_set_locking_callback((void (*)(int,int,char *,int))win32_locking_
callback); | |
| 123 /* id callback defined */ | |
| 124 return(1); | |
| 125 } | |
| 126 | |
| 127 static void CRYPTO_thread_cleanup(void) | |
| 128 { | |
| 129 int i; | |
| 130 | |
| 131 CRYPTO_set_locking_callback(NULL); | |
| 132 for (i=0; i<CRYPTO_num_locks(); i++) | |
| 133 CloseHandle(lock_cs[i]); | |
| 134 OPENSSL_free(lock_cs); | |
| 135 } | |
| 136 | |
| 137 void win32_locking_callback(int mode, int type, char *file, int line) | |
| 138 { | |
| 139 if (mode & CRYPTO_LOCK) | |
| 140 { | |
| 141 WaitForSingleObject(lock_cs[type],INFINITE); | |
| 142 } | |
| 143 else | |
| 144 { | |
| 145 ReleaseMutex(lock_cs[type]); | |
| 146 } | |
| 147 } | |
| 148 | |
| 149 #endif /* OPENSSL_SYS_WIN32 */ | |
| 150 | |
| 151 #ifdef SOLARIS | |
| 152 | |
| 153 #define USE_MUTEX | |
| 154 | |
| 155 #ifdef USE_MUTEX | |
| 156 static mutex_t *lock_cs; | |
| 157 #else | |
| 158 static rwlock_t *lock_cs; | |
| 159 #endif | |
| 160 static long *lock_count; | |
| 161 | |
| 162 void CRYPTO_thread_setup(void) | |
| 163 { | |
| 164 int i; | |
| 165 | |
| 166 #ifdef USE_MUTEX | |
| 167 lock_cs=OPENSSL_malloc(CRYPTO_num_locks() * sizeof(mutex_t)); | |
| 168 #else | |
| 169 lock_cs=OPENSSL_malloc(CRYPTO_num_locks() * sizeof(rwlock_t)); | |
| 170 #endif | |
| 171 lock_count=OPENSSL_malloc(CRYPTO_num_locks() * sizeof(long)); | |
| 172 for (i=0; i<CRYPTO_num_locks(); i++) | |
| 173 { | |
| 174 lock_count[i]=0; | |
| 175 #ifdef USE_MUTEX | |
| 176 mutex_init(&(lock_cs[i]),USYNC_THREAD,NULL); | |
| 177 #else | |
| 178 rwlock_init(&(lock_cs[i]),USYNC_THREAD,NULL); | |
| 179 #endif | |
| 180 } | |
| 181 | |
| 182 CRYPTO_set_id_callback((unsigned long (*)())solaris_thread_id); | |
| 183 CRYPTO_set_locking_callback((void (*)())solaris_locking_callback); | |
| 184 } | |
| 185 | |
| 186 void CRYPTO_thread_cleanup(void) | |
| 187 { | |
| 188 int i; | |
| 189 | |
| 190 CRYPTO_set_locking_callback(NULL); | |
| 191 for (i=0; i<CRYPTO_num_locks(); i++) | |
| 192 { | |
| 193 #ifdef USE_MUTEX | |
| 194 mutex_destroy(&(lock_cs[i])); | |
| 195 #else | |
| 196 rwlock_destroy(&(lock_cs[i])); | |
| 197 #endif | |
| 198 } | |
| 199 OPENSSL_free(lock_cs); | |
| 200 OPENSSL_free(lock_count); | |
| 201 } | |
| 202 | |
| 203 void solaris_locking_callback(int mode, int type, char *file, int line) | |
| 204 { | |
| 205 #if 0 | |
| 206 fprintf(stderr,"thread=%4d mode=%s lock=%s %s:%d\n", | |
| 207 CRYPTO_thread_id(), | |
| 208 (mode&CRYPTO_LOCK)?"l":"u", | |
| 209 (type&CRYPTO_READ)?"r":"w",file,line); | |
| 210 #endif | |
| 211 | |
| 212 #if 0 | |
| 213 if (CRYPTO_LOCK_SSL_CERT == type) | |
| 214 fprintf(stderr,"(t,m,f,l) %ld %d %s %d\n", | |
| 215 CRYPTO_thread_id(), | |
| 216 mode,file,line); | |
| 217 #endif | |
| 218 if (mode & CRYPTO_LOCK) | |
| 219 { | |
| 220 #ifdef USE_MUTEX | |
| 221 mutex_lock(&(lock_cs[type])); | |
| 222 #else | |
| 223 if (mode & CRYPTO_READ) | |
| 224 rw_rdlock(&(lock_cs[type])); | |
| 225 else | |
| 226 rw_wrlock(&(lock_cs[type])); | |
| 227 #endif | |
| 228 lock_count[type]++; | |
| 229 } | |
| 230 else | |
| 231 { | |
| 232 #ifdef USE_MUTEX | |
| 233 mutex_unlock(&(lock_cs[type])); | |
| 234 #else | |
| 235 rw_unlock(&(lock_cs[type])); | |
| 236 #endif | |
| 237 } | |
| 238 } | |
| 239 | |
| 240 unsigned long solaris_thread_id(void) | |
| 241 { | |
| 242 unsigned long ret; | |
| 243 | |
| 244 ret=(unsigned long)thr_self(); | |
| 245 return(ret); | |
| 246 } | |
| 247 #endif /* SOLARIS */ | |
| 248 | |
| 249 #ifdef IRIX | |
| 250 /* I don't think this works..... */ | |
| 251 | |
| 252 static usptr_t *arena; | |
| 253 static usema_t **lock_cs; | |
| 254 | |
| 255 void CRYPTO_thread_setup(void) | |
| 256 { | |
| 257 int i; | |
| 258 char filename[20]; | |
| 259 | |
| 260 strcpy(filename,"/tmp/mttest.XXXXXX"); | |
| 261 mktemp(filename); | |
| 262 | |
| 263 usconfig(CONF_STHREADIOOFF); | |
| 264 usconfig(CONF_STHREADMALLOCOFF); | |
| 265 usconfig(CONF_INITUSERS,100); | |
| 266 usconfig(CONF_LOCKTYPE,US_DEBUGPLUS); | |
| 267 arena=usinit(filename); | |
| 268 unlink(filename); | |
| 269 | |
| 270 lock_cs=OPENSSL_malloc(CRYPTO_num_locks() * sizeof(usema_t *)); | |
| 271 for (i=0; i<CRYPTO_num_locks(); i++) | |
| 272 { | |
| 273 lock_cs[i]=usnewsema(arena,1); | |
| 274 } | |
| 275 | |
| 276 CRYPTO_set_id_callback((unsigned long (*)())irix_thread_id); | |
| 277 CRYPTO_set_locking_callback((void (*)())irix_locking_callback); | |
| 278 } | |
| 279 | |
| 280 void CRYPTO_thread_cleanup(void) | |
| 281 { | |
| 282 int i; | |
| 283 | |
| 284 CRYPTO_set_locking_callback(NULL); | |
| 285 for (i=0; i<CRYPTO_num_locks(); i++) | |
| 286 { | |
| 287 char buf[10]; | |
| 288 | |
| 289 sprintf(buf,"%2d:",i); | |
| 290 usdumpsema(lock_cs[i],stdout,buf); | |
| 291 usfreesema(lock_cs[i],arena); | |
| 292 } | |
| 293 OPENSSL_free(lock_cs); | |
| 294 } | |
| 295 | |
| 296 void irix_locking_callback(int mode, int type, char *file, int line) | |
| 297 { | |
| 298 if (mode & CRYPTO_LOCK) | |
| 299 { | |
| 300 uspsema(lock_cs[type]); | |
| 301 } | |
| 302 else | |
| 303 { | |
| 304 usvsema(lock_cs[type]); | |
| 305 } | |
| 306 } | |
| 307 | |
| 308 unsigned long irix_thread_id(void) | |
| 309 { | |
| 310 unsigned long ret; | |
| 311 | |
| 312 ret=(unsigned long)getpid(); | |
| 313 return(ret); | |
| 314 } | |
| 315 #endif /* IRIX */ | |
| 316 | |
| 317 /* Linux and a few others */ | |
| 318 #ifdef PTHREADS | |
| 319 | |
| 320 static pthread_mutex_t *lock_cs; | |
| 321 static long *lock_count; | |
| 322 | |
| 323 void CRYPTO_thread_setup(void) | |
| 324 { | |
| 325 int i; | |
| 326 | |
| 327 lock_cs=OPENSSL_malloc(CRYPTO_num_locks() * sizeof(pthread_mutex_t)); | |
| 328 lock_count=OPENSSL_malloc(CRYPTO_num_locks() * sizeof(long)); | |
| 329 for (i=0; i<CRYPTO_num_locks(); i++) | |
| 330 { | |
| 331 lock_count[i]=0; | |
| 332 pthread_mutex_init(&(lock_cs[i]),NULL); | |
| 333 } | |
| 334 | |
| 335 CRYPTO_set_id_callback((unsigned long (*)())pthreads_thread_id); | |
| 336 CRYPTO_set_locking_callback((void (*)())pthreads_locking_callback); | |
| 337 } | |
| 338 | |
| 339 void thread_cleanup(void) | |
| 340 { | |
| 341 int i; | |
| 342 | |
| 343 CRYPTO_set_locking_callback(NULL); | |
| 344 for (i=0; i<CRYPTO_num_locks(); i++) | |
| 345 { | |
| 346 pthread_mutex_destroy(&(lock_cs[i])); | |
| 347 } | |
| 348 OPENSSL_free(lock_cs); | |
| 349 OPENSSL_free(lock_count); | |
| 350 } | |
| 351 | |
| 352 void pthreads_locking_callback(int mode, int type, char *file, | |
| 353 int line) | |
| 354 { | |
| 355 #if 0 | |
| 356 fprintf(stderr,"thread=%4d mode=%s lock=%s %s:%d\n", | |
| 357 CRYPTO_thread_id(), | |
| 358 (mode&CRYPTO_LOCK)?"l":"u", | |
| 359 (type&CRYPTO_READ)?"r":"w",file,line); | |
| 360 #endif | |
| 361 #if 0 | |
| 362 if (CRYPTO_LOCK_SSL_CERT == type) | |
| 363 fprintf(stderr,"(t,m,f,l) %ld %d %s %d\n", | |
| 364 CRYPTO_thread_id(), | |
| 365 mode,file,line); | |
| 366 #endif | |
| 367 if (mode & CRYPTO_LOCK) | |
| 368 { | |
| 369 pthread_mutex_lock(&(lock_cs[type])); | |
| 370 lock_count[type]++; | |
| 371 } | |
| 372 else | |
| 373 { | |
| 374 pthread_mutex_unlock(&(lock_cs[type])); | |
| 375 } | |
| 376 } | |
| 377 | |
| 378 unsigned long pthreads_thread_id(void) | |
| 379 { | |
| 380 unsigned long ret; | |
| 381 | |
| 382 ret=(unsigned long)pthread_self(); | |
| 383 return(ret); | |
| 384 } | |
| 385 | |
| 386 #endif /* PTHREADS */ | |
| 387 | |
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Chromium Code Reviews
Issue 2072073002:
Delete bundled copy of OpenSSL and replace with README. (Closed)
Base URL: https://chromium.googlesource.com/chromium/deps/openssl@master