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| 1 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 4 | |
| 5 #include "seccomon.h" | |
| 6 /* This ifdef should match the one in sslsnce.c */ | |
| 7 #if defined(XP_UNIX) || defined(XP_WIN32) || defined (XP_OS2) || defined(XP_BEOS
) | |
| 8 | |
| 9 #include "sslmutex.h" | |
| 10 #include "prerr.h" | |
| 11 | |
| 12 static SECStatus single_process_sslMutex_Init(sslMutex* pMutex) | |
| 13 { | |
| 14 PR_ASSERT(pMutex != 0 && pMutex->u.sslLock == 0 ); | |
| 15 | |
| 16 pMutex->u.sslLock = PR_NewLock(); | |
| 17 if (!pMutex->u.sslLock) { | |
| 18 return SECFailure; | |
| 19 } | |
| 20 return SECSuccess; | |
| 21 } | |
| 22 | |
| 23 static SECStatus single_process_sslMutex_Destroy(sslMutex* pMutex) | |
| 24 { | |
| 25 PR_ASSERT(pMutex != 0); | |
| 26 PR_ASSERT(pMutex->u.sslLock!= 0); | |
| 27 if (!pMutex->u.sslLock) { | |
| 28 PORT_SetError(PR_INVALID_ARGUMENT_ERROR); | |
| 29 return SECFailure; | |
| 30 } | |
| 31 PR_DestroyLock(pMutex->u.sslLock); | |
| 32 return SECSuccess; | |
| 33 } | |
| 34 | |
| 35 static SECStatus single_process_sslMutex_Unlock(sslMutex* pMutex) | |
| 36 { | |
| 37 PR_ASSERT(pMutex != 0 ); | |
| 38 PR_ASSERT(pMutex->u.sslLock !=0); | |
| 39 if (!pMutex->u.sslLock) { | |
| 40 PORT_SetError(PR_INVALID_ARGUMENT_ERROR); | |
| 41 return SECFailure; | |
| 42 } | |
| 43 PR_Unlock(pMutex->u.sslLock); | |
| 44 return SECSuccess; | |
| 45 } | |
| 46 | |
| 47 static SECStatus single_process_sslMutex_Lock(sslMutex* pMutex) | |
| 48 { | |
| 49 PR_ASSERT(pMutex != 0); | |
| 50 PR_ASSERT(pMutex->u.sslLock != 0 ); | |
| 51 if (!pMutex->u.sslLock) { | |
| 52 PORT_SetError(PR_INVALID_ARGUMENT_ERROR); | |
| 53 return SECFailure; | |
| 54 } | |
| 55 PR_Lock(pMutex->u.sslLock); | |
| 56 return SECSuccess; | |
| 57 } | |
| 58 | |
| 59 #if defined(LINUX) || defined(AIX) || defined(BEOS) || defined(BSDI) || (defined
(NETBSD) && __NetBSD_Version__ < 500000000) || defined(OPENBSD) | |
| 60 | |
| 61 #include <unistd.h> | |
| 62 #include <fcntl.h> | |
| 63 #include <string.h> | |
| 64 #include <errno.h> | |
| 65 #include "unix_err.h" | |
| 66 #include "pratom.h" | |
| 67 | |
| 68 #define SSL_MUTEX_MAGIC 0xfeedfd | |
| 69 #define NONBLOCKING_POSTS 1 /* maybe this is faster */ | |
| 70 | |
| 71 #if NONBLOCKING_POSTS | |
| 72 | |
| 73 #ifndef FNONBLOCK | |
| 74 #define FNONBLOCK O_NONBLOCK | |
| 75 #endif | |
| 76 | |
| 77 static int | |
| 78 setNonBlocking(int fd, int nonBlocking) | |
| 79 { | |
| 80 int flags; | |
| 81 int err; | |
| 82 | |
| 83 flags = fcntl(fd, F_GETFL, 0); | |
| 84 if (0 > flags) | |
| 85 return flags; | |
| 86 if (nonBlocking) | |
| 87 flags |= FNONBLOCK; | |
| 88 else | |
| 89 flags &= ~FNONBLOCK; | |
| 90 err = fcntl(fd, F_SETFL, flags); | |
| 91 return err; | |
| 92 } | |
| 93 #endif | |
| 94 | |
| 95 SECStatus | |
| 96 sslMutex_Init(sslMutex *pMutex, int shared) | |
| 97 { | |
| 98 int err; | |
| 99 PR_ASSERT(pMutex); | |
| 100 pMutex->isMultiProcess = (PRBool)(shared != 0); | |
| 101 if (!shared) { | |
| 102 return single_process_sslMutex_Init(pMutex); | |
| 103 } | |
| 104 pMutex->u.pipeStr.mPipes[0] = -1; | |
| 105 pMutex->u.pipeStr.mPipes[1] = -1; | |
| 106 pMutex->u.pipeStr.mPipes[2] = -1; | |
| 107 pMutex->u.pipeStr.nWaiters = 0; | |
| 108 | |
| 109 err = pipe(pMutex->u.pipeStr.mPipes); | |
| 110 if (err) { | |
| 111 nss_MD_unix_map_default_error(errno); | |
| 112 return err; | |
| 113 } | |
| 114 #if NONBLOCKING_POSTS | |
| 115 err = setNonBlocking(pMutex->u.pipeStr.mPipes[1], 1); | |
| 116 if (err) | |
| 117 goto loser; | |
| 118 #endif | |
| 119 | |
| 120 pMutex->u.pipeStr.mPipes[2] = SSL_MUTEX_MAGIC; | |
| 121 | |
| 122 #if defined(LINUX) && defined(i386) | |
| 123 /* Pipe starts out empty */ | |
| 124 return SECSuccess; | |
| 125 #else | |
| 126 /* Pipe starts with one byte. */ | |
| 127 return sslMutex_Unlock(pMutex); | |
| 128 #endif | |
| 129 | |
| 130 loser: | |
| 131 nss_MD_unix_map_default_error(errno); | |
| 132 close(pMutex->u.pipeStr.mPipes[0]); | |
| 133 close(pMutex->u.pipeStr.mPipes[1]); | |
| 134 return SECFailure; | |
| 135 } | |
| 136 | |
| 137 SECStatus | |
| 138 sslMutex_Destroy(sslMutex *pMutex, PRBool processLocal) | |
| 139 { | |
| 140 if (PR_FALSE == pMutex->isMultiProcess) { | |
| 141 return single_process_sslMutex_Destroy(pMutex); | |
| 142 } | |
| 143 if (pMutex->u.pipeStr.mPipes[2] != SSL_MUTEX_MAGIC) { | |
| 144 PORT_SetError(PR_INVALID_ARGUMENT_ERROR); | |
| 145 return SECFailure; | |
| 146 } | |
| 147 close(pMutex->u.pipeStr.mPipes[0]); | |
| 148 close(pMutex->u.pipeStr.mPipes[1]); | |
| 149 | |
| 150 if (processLocal) { | |
| 151 return SECSuccess; | |
| 152 } | |
| 153 | |
| 154 pMutex->u.pipeStr.mPipes[0] = -1; | |
| 155 pMutex->u.pipeStr.mPipes[1] = -1; | |
| 156 pMutex->u.pipeStr.mPipes[2] = -1; | |
| 157 pMutex->u.pipeStr.nWaiters = 0; | |
| 158 | |
| 159 return SECSuccess; | |
| 160 } | |
| 161 | |
| 162 #if defined(LINUX) && defined(i386) | |
| 163 /* No memory barrier needed for this platform */ | |
| 164 | |
| 165 /* nWaiters includes the holder of the lock (if any) and the number | |
| 166 ** threads waiting for it. After incrementing nWaiters, if the count | |
| 167 ** is exactly 1, then you have the lock and may proceed. If the | |
| 168 ** count is greater than 1, then you must wait on the pipe. | |
| 169 */ | |
| 170 | |
| 171 | |
| 172 SECStatus | |
| 173 sslMutex_Unlock(sslMutex *pMutex) | |
| 174 { | |
| 175 PRInt32 newValue; | |
| 176 if (PR_FALSE == pMutex->isMultiProcess) { | |
| 177 return single_process_sslMutex_Unlock(pMutex); | |
| 178 } | |
| 179 | |
| 180 if (pMutex->u.pipeStr.mPipes[2] != SSL_MUTEX_MAGIC) { | |
| 181 PORT_SetError(PR_INVALID_ARGUMENT_ERROR); | |
| 182 return SECFailure; | |
| 183 } | |
| 184 /* Do Memory Barrier here. */ | |
| 185 newValue = PR_ATOMIC_DECREMENT(&pMutex->u.pipeStr.nWaiters); | |
| 186 if (newValue > 0) { | |
| 187 int cc; | |
| 188 char c = 1; | |
| 189 do { | |
| 190 cc = write(pMutex->u.pipeStr.mPipes[1], &c, 1); | |
| 191 } while (cc < 0 && (errno == EINTR || errno == EAGAIN)); | |
| 192 if (cc != 1) { | |
| 193 if (cc < 0) | |
| 194 nss_MD_unix_map_default_error(errno); | |
| 195 else | |
| 196 PORT_SetError(PR_UNKNOWN_ERROR); | |
| 197 return SECFailure; | |
| 198 } | |
| 199 } | |
| 200 return SECSuccess; | |
| 201 } | |
| 202 | |
| 203 SECStatus | |
| 204 sslMutex_Lock(sslMutex *pMutex) | |
| 205 { | |
| 206 PRInt32 newValue; | |
| 207 if (PR_FALSE == pMutex->isMultiProcess) { | |
| 208 return single_process_sslMutex_Lock(pMutex); | |
| 209 } | |
| 210 | |
| 211 if (pMutex->u.pipeStr.mPipes[2] != SSL_MUTEX_MAGIC) { | |
| 212 PORT_SetError(PR_INVALID_ARGUMENT_ERROR); | |
| 213 return SECFailure; | |
| 214 } | |
| 215 newValue = PR_ATOMIC_INCREMENT(&pMutex->u.pipeStr.nWaiters); | |
| 216 /* Do Memory Barrier here. */ | |
| 217 if (newValue > 1) { | |
| 218 int cc; | |
| 219 char c; | |
| 220 do { | |
| 221 cc = read(pMutex->u.pipeStr.mPipes[0], &c, 1); | |
| 222 } while (cc < 0 && errno == EINTR); | |
| 223 if (cc != 1) { | |
| 224 if (cc < 0) | |
| 225 nss_MD_unix_map_default_error(errno); | |
| 226 else | |
| 227 PORT_SetError(PR_UNKNOWN_ERROR); | |
| 228 return SECFailure; | |
| 229 } | |
| 230 } | |
| 231 return SECSuccess; | |
| 232 } | |
| 233 | |
| 234 #else | |
| 235 | |
| 236 /* Using Atomic operations requires the use of a memory barrier instruction | |
| 237 ** on PowerPC, Sparc, and Alpha. NSPR's PR_Atomic functions do not perform | |
| 238 ** them, and NSPR does not provide a function that does them (e.g. PR_Barrier). | |
| 239 ** So, we don't use them on those platforms. | |
| 240 */ | |
| 241 | |
| 242 SECStatus | |
| 243 sslMutex_Unlock(sslMutex *pMutex) | |
| 244 { | |
| 245 int cc; | |
| 246 char c = 1; | |
| 247 | |
| 248 if (PR_FALSE == pMutex->isMultiProcess) { | |
| 249 return single_process_sslMutex_Unlock(pMutex); | |
| 250 } | |
| 251 | |
| 252 if (pMutex->u.pipeStr.mPipes[2] != SSL_MUTEX_MAGIC) { | |
| 253 PORT_SetError(PR_INVALID_ARGUMENT_ERROR); | |
| 254 return SECFailure; | |
| 255 } | |
| 256 do { | |
| 257 cc = write(pMutex->u.pipeStr.mPipes[1], &c, 1); | |
| 258 } while (cc < 0 && (errno == EINTR || errno == EAGAIN)); | |
| 259 if (cc != 1) { | |
| 260 if (cc < 0) | |
| 261 nss_MD_unix_map_default_error(errno); | |
| 262 else | |
| 263 PORT_SetError(PR_UNKNOWN_ERROR); | |
| 264 return SECFailure; | |
| 265 } | |
| 266 | |
| 267 return SECSuccess; | |
| 268 } | |
| 269 | |
| 270 SECStatus | |
| 271 sslMutex_Lock(sslMutex *pMutex) | |
| 272 { | |
| 273 int cc; | |
| 274 char c; | |
| 275 | |
| 276 if (PR_FALSE == pMutex->isMultiProcess) { | |
| 277 return single_process_sslMutex_Lock(pMutex); | |
| 278 } | |
| 279 | |
| 280 if (pMutex->u.pipeStr.mPipes[2] != SSL_MUTEX_MAGIC) { | |
| 281 PORT_SetError(PR_INVALID_ARGUMENT_ERROR); | |
| 282 return SECFailure; | |
| 283 } | |
| 284 | |
| 285 do { | |
| 286 cc = read(pMutex->u.pipeStr.mPipes[0], &c, 1); | |
| 287 } while (cc < 0 && errno == EINTR); | |
| 288 if (cc != 1) { | |
| 289 if (cc < 0) | |
| 290 nss_MD_unix_map_default_error(errno); | |
| 291 else | |
| 292 PORT_SetError(PR_UNKNOWN_ERROR); | |
| 293 return SECFailure; | |
| 294 } | |
| 295 | |
| 296 return SECSuccess; | |
| 297 } | |
| 298 | |
| 299 #endif | |
| 300 | |
| 301 #elif defined(WIN32) | |
| 302 | |
| 303 #include "win32err.h" | |
| 304 | |
| 305 /* on Windows, we need to find the optimal type of locking mechanism to use | |
| 306 for the sslMutex. | |
| 307 | |
| 308 There are 3 cases : | |
| 309 1) single-process, use a PRLock, as for all other platforms | |
| 310 2) Win95 multi-process, use a Win32 mutex | |
| 311 3) on WINNT multi-process, use a PRLock + a Win32 mutex | |
| 312 | |
| 313 */ | |
| 314 | |
| 315 #ifdef WINNT | |
| 316 | |
| 317 SECStatus sslMutex_2LevelInit(sslMutex *sem) | |
| 318 { | |
| 319 /* the following adds a PRLock to sslMutex . This is done in each | |
| 320 process of a multi-process server and is only needed on WINNT, if | |
| 321 using fibers. We can't tell if native threads or fibers are used, so | |
| 322 we always do it on WINNT | |
| 323 */ | |
| 324 PR_ASSERT(sem); | |
| 325 if (sem) { | |
| 326 /* we need to reset the sslLock in the children or the single_process in
it | |
| 327 function below will assert */ | |
| 328 sem->u.sslLock = NULL; | |
| 329 } | |
| 330 return single_process_sslMutex_Init(sem); | |
| 331 } | |
| 332 | |
| 333 static SECStatus sslMutex_2LevelDestroy(sslMutex *sem) | |
| 334 { | |
| 335 return single_process_sslMutex_Destroy(sem); | |
| 336 } | |
| 337 | |
| 338 #endif | |
| 339 | |
| 340 SECStatus | |
| 341 sslMutex_Init(sslMutex *pMutex, int shared) | |
| 342 { | |
| 343 #ifdef WINNT | |
| 344 SECStatus retvalue; | |
| 345 #endif | |
| 346 HANDLE hMutex; | |
| 347 SECURITY_ATTRIBUTES attributes = | |
| 348 { sizeof(SECURITY_ATTRIBUTES), NULL, TRUE }; | |
| 349 | |
| 350 PR_ASSERT(pMutex != 0 && (pMutex->u.sslMutx == 0 || | |
| 351 pMutex->u.sslMutx == INVALID_HANDLE_VALUE) ); | |
| 352 | |
| 353 pMutex->isMultiProcess = (PRBool)(shared != 0); | |
| 354 | |
| 355 if (PR_FALSE == pMutex->isMultiProcess) { | |
| 356 return single_process_sslMutex_Init(pMutex); | |
| 357 } | |
| 358 | |
| 359 #ifdef WINNT | |
| 360 /* we need a lock on WINNT for fibers in the parent process */ | |
| 361 retvalue = sslMutex_2LevelInit(pMutex); | |
| 362 if (SECSuccess != retvalue) | |
| 363 return SECFailure; | |
| 364 #endif | |
| 365 | |
| 366 if (!pMutex || ((hMutex = pMutex->u.sslMutx) != 0 && | |
| 367 hMutex != INVALID_HANDLE_VALUE)) { | |
| 368 PORT_SetError(PR_INVALID_ARGUMENT_ERROR); | |
| 369 return SECFailure; | |
| 370 } | |
| 371 attributes.bInheritHandle = (shared ? TRUE : FALSE); | |
| 372 hMutex = CreateMutex(&attributes, FALSE, NULL); | |
| 373 if (hMutex == NULL) { | |
| 374 hMutex = INVALID_HANDLE_VALUE; | |
| 375 nss_MD_win32_map_default_error(GetLastError()); | |
| 376 return SECFailure; | |
| 377 } | |
| 378 pMutex->u.sslMutx = hMutex; | |
| 379 return SECSuccess; | |
| 380 } | |
| 381 | |
| 382 SECStatus | |
| 383 sslMutex_Destroy(sslMutex *pMutex, PRBool processLocal) | |
| 384 { | |
| 385 HANDLE hMutex; | |
| 386 int rv; | |
| 387 int retvalue = SECSuccess; | |
| 388 | |
| 389 PR_ASSERT(pMutex != 0); | |
| 390 if (PR_FALSE == pMutex->isMultiProcess) { | |
| 391 return single_process_sslMutex_Destroy(pMutex); | |
| 392 } | |
| 393 | |
| 394 /* multi-process mode */ | |
| 395 #ifdef WINNT | |
| 396 /* on NT, get rid of the PRLock used for fibers within a process */ | |
| 397 retvalue = sslMutex_2LevelDestroy(pMutex); | |
| 398 #endif | |
| 399 | |
| 400 PR_ASSERT( pMutex->u.sslMutx != 0 && | |
| 401 pMutex->u.sslMutx != INVALID_HANDLE_VALUE); | |
| 402 if (!pMutex || (hMutex = pMutex->u.sslMutx) == 0 | |
| 403 || hMutex == INVALID_HANDLE_VALUE) { | |
| 404 PORT_SetError(PR_INVALID_ARGUMENT_ERROR); | |
| 405 return SECFailure; | |
| 406 } | |
| 407 | |
| 408 rv = CloseHandle(hMutex); /* ignore error */ | |
| 409 if (!processLocal && rv) { | |
| 410 pMutex->u.sslMutx = hMutex = INVALID_HANDLE_VALUE; | |
| 411 } | |
| 412 if (!rv) { | |
| 413 nss_MD_win32_map_default_error(GetLastError()); | |
| 414 retvalue = SECFailure; | |
| 415 } | |
| 416 return retvalue; | |
| 417 } | |
| 418 | |
| 419 int | |
| 420 sslMutex_Unlock(sslMutex *pMutex) | |
| 421 { | |
| 422 BOOL success = FALSE; | |
| 423 HANDLE hMutex; | |
| 424 | |
| 425 PR_ASSERT(pMutex != 0 ); | |
| 426 if (PR_FALSE == pMutex->isMultiProcess) { | |
| 427 return single_process_sslMutex_Unlock(pMutex); | |
| 428 } | |
| 429 | |
| 430 PR_ASSERT(pMutex->u.sslMutx != 0 && | |
| 431 pMutex->u.sslMutx != INVALID_HANDLE_VALUE); | |
| 432 if (!pMutex || (hMutex = pMutex->u.sslMutx) == 0 || | |
| 433 hMutex == INVALID_HANDLE_VALUE) { | |
| 434 PORT_SetError(PR_INVALID_ARGUMENT_ERROR); | |
| 435 return SECFailure; | |
| 436 } | |
| 437 success = ReleaseMutex(hMutex); | |
| 438 if (!success) { | |
| 439 nss_MD_win32_map_default_error(GetLastError()); | |
| 440 return SECFailure; | |
| 441 } | |
| 442 #ifdef WINNT | |
| 443 return single_process_sslMutex_Unlock(pMutex); | |
| 444 /* release PRLock for other fibers in the process */ | |
| 445 #else | |
| 446 return SECSuccess; | |
| 447 #endif | |
| 448 } | |
| 449 | |
| 450 int | |
| 451 sslMutex_Lock(sslMutex *pMutex) | |
| 452 { | |
| 453 HANDLE hMutex; | |
| 454 DWORD event; | |
| 455 DWORD lastError; | |
| 456 SECStatus rv; | |
| 457 SECStatus retvalue = SECSuccess; | |
| 458 PR_ASSERT(pMutex != 0); | |
| 459 | |
| 460 if (PR_FALSE == pMutex->isMultiProcess) { | |
| 461 return single_process_sslMutex_Lock(pMutex); | |
| 462 } | |
| 463 #ifdef WINNT | |
| 464 /* lock first to preserve from other threads/fibers | |
| 465 in the same process */ | |
| 466 retvalue = single_process_sslMutex_Lock(pMutex); | |
| 467 #endif | |
| 468 PR_ASSERT(pMutex->u.sslMutx != 0 && | |
| 469 pMutex->u.sslMutx != INVALID_HANDLE_VALUE); | |
| 470 if (!pMutex || (hMutex = pMutex->u.sslMutx) == 0 || | |
| 471 hMutex == INVALID_HANDLE_VALUE) { | |
| 472 PORT_SetError(PR_INVALID_ARGUMENT_ERROR); | |
| 473 return SECFailure; /* what else ? */ | |
| 474 } | |
| 475 /* acquire the mutex to be the only owner accross all other processes */ | |
| 476 event = WaitForSingleObject(hMutex, INFINITE); | |
| 477 switch (event) { | |
| 478 case WAIT_OBJECT_0: | |
| 479 case WAIT_ABANDONED: | |
| 480 rv = SECSuccess; | |
| 481 break; | |
| 482 | |
| 483 case WAIT_TIMEOUT: | |
| 484 #if defined(WAIT_IO_COMPLETION) | |
| 485 case WAIT_IO_COMPLETION: | |
| 486 #endif | |
| 487 default: /* should never happen. nothing we can do. */ | |
| 488 PR_ASSERT(!("WaitForSingleObject returned invalid value.")); | |
| 489 PORT_SetError(PR_UNKNOWN_ERROR); | |
| 490 rv = SECFailure; | |
| 491 break; | |
| 492 | |
| 493 case WAIT_FAILED: /* failure returns this */ | |
| 494 rv = SECFailure; | |
| 495 lastError = GetLastError(); /* for debugging */ | |
| 496 nss_MD_win32_map_default_error(lastError); | |
| 497 break; | |
| 498 } | |
| 499 | |
| 500 if (! (SECSuccess == retvalue && SECSuccess == rv)) { | |
| 501 return SECFailure; | |
| 502 } | |
| 503 | |
| 504 return SECSuccess; | |
| 505 } | |
| 506 | |
| 507 #elif defined(XP_UNIX) | |
| 508 | |
| 509 #include <errno.h> | |
| 510 #include "unix_err.h" | |
| 511 | |
| 512 SECStatus | |
| 513 sslMutex_Init(sslMutex *pMutex, int shared) | |
| 514 { | |
| 515 int rv; | |
| 516 PR_ASSERT(pMutex); | |
| 517 pMutex->isMultiProcess = (PRBool)(shared != 0); | |
| 518 if (!shared) { | |
| 519 return single_process_sslMutex_Init(pMutex); | |
| 520 } | |
| 521 do { | |
| 522 rv = sem_init(&pMutex->u.sem, shared, 1); | |
| 523 } while (rv < 0 && errno == EINTR); | |
| 524 if (rv < 0) { | |
| 525 nss_MD_unix_map_default_error(errno); | |
| 526 return SECFailure; | |
| 527 } | |
| 528 return SECSuccess; | |
| 529 } | |
| 530 | |
| 531 SECStatus | |
| 532 sslMutex_Destroy(sslMutex *pMutex, PRBool processLocal) | |
| 533 { | |
| 534 int rv; | |
| 535 if (PR_FALSE == pMutex->isMultiProcess) { | |
| 536 return single_process_sslMutex_Destroy(pMutex); | |
| 537 } | |
| 538 | |
| 539 /* semaphores are global resources. See SEM_DESTROY(3) man page */ | |
| 540 if (processLocal) { | |
| 541 return SECSuccess; | |
| 542 } | |
| 543 do { | |
| 544 rv = sem_destroy(&pMutex->u.sem); | |
| 545 } while (rv < 0 && errno == EINTR); | |
| 546 if (rv < 0) { | |
| 547 nss_MD_unix_map_default_error(errno); | |
| 548 return SECFailure; | |
| 549 } | |
| 550 return SECSuccess; | |
| 551 } | |
| 552 | |
| 553 SECStatus | |
| 554 sslMutex_Unlock(sslMutex *pMutex) | |
| 555 { | |
| 556 int rv; | |
| 557 if (PR_FALSE == pMutex->isMultiProcess) { | |
| 558 return single_process_sslMutex_Unlock(pMutex); | |
| 559 } | |
| 560 do { | |
| 561 rv = sem_post(&pMutex->u.sem); | |
| 562 } while (rv < 0 && errno == EINTR); | |
| 563 if (rv < 0) { | |
| 564 nss_MD_unix_map_default_error(errno); | |
| 565 return SECFailure; | |
| 566 } | |
| 567 return SECSuccess; | |
| 568 } | |
| 569 | |
| 570 SECStatus | |
| 571 sslMutex_Lock(sslMutex *pMutex) | |
| 572 { | |
| 573 int rv; | |
| 574 if (PR_FALSE == pMutex->isMultiProcess) { | |
| 575 return single_process_sslMutex_Lock(pMutex); | |
| 576 } | |
| 577 do { | |
| 578 rv = sem_wait(&pMutex->u.sem); | |
| 579 } while (rv < 0 && errno == EINTR); | |
| 580 if (rv < 0) { | |
| 581 nss_MD_unix_map_default_error(errno); | |
| 582 return SECFailure; | |
| 583 } | |
| 584 return SECSuccess; | |
| 585 } | |
| 586 | |
| 587 #else | |
| 588 | |
| 589 SECStatus | |
| 590 sslMutex_Init(sslMutex *pMutex, int shared) | |
| 591 { | |
| 592 PR_ASSERT(pMutex); | |
| 593 pMutex->isMultiProcess = (PRBool)(shared != 0); | |
| 594 if (!shared) { | |
| 595 return single_process_sslMutex_Init(pMutex); | |
| 596 } | |
| 597 PORT_Assert(!("sslMutex_Init not implemented for multi-process applications
!")); | |
| 598 PORT_SetError(PR_NOT_IMPLEMENTED_ERROR); | |
| 599 return SECFailure; | |
| 600 } | |
| 601 | |
| 602 SECStatus | |
| 603 sslMutex_Destroy(sslMutex *pMutex, PRBool processLocal) | |
| 604 { | |
| 605 PR_ASSERT(pMutex); | |
| 606 if (PR_FALSE == pMutex->isMultiProcess) { | |
| 607 return single_process_sslMutex_Destroy(pMutex); | |
| 608 } | |
| 609 PORT_Assert(!("sslMutex_Destroy not implemented for multi-process applicatio
ns !")); | |
| 610 PORT_SetError(PR_NOT_IMPLEMENTED_ERROR); | |
| 611 return SECFailure; | |
| 612 } | |
| 613 | |
| 614 SECStatus | |
| 615 sslMutex_Unlock(sslMutex *pMutex) | |
| 616 { | |
| 617 PR_ASSERT(pMutex); | |
| 618 if (PR_FALSE == pMutex->isMultiProcess) { | |
| 619 return single_process_sslMutex_Unlock(pMutex); | |
| 620 } | |
| 621 PORT_Assert(!("sslMutex_Unlock not implemented for multi-process application
s !")); | |
| 622 PORT_SetError(PR_NOT_IMPLEMENTED_ERROR); | |
| 623 return SECFailure; | |
| 624 } | |
| 625 | |
| 626 SECStatus | |
| 627 sslMutex_Lock(sslMutex *pMutex) | |
| 628 { | |
| 629 PR_ASSERT(pMutex); | |
| 630 if (PR_FALSE == pMutex->isMultiProcess) { | |
| 631 return single_process_sslMutex_Lock(pMutex); | |
| 632 } | |
| 633 PORT_Assert(!("sslMutex_Lock not implemented for multi-process applications
!")); | |
| 634 PORT_SetError(PR_NOT_IMPLEMENTED_ERROR); | |
| 635 return SECFailure; | |
| 636 } | |
| 637 | |
| 638 #endif | |
| 639 | |
| 640 #endif | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 992733002:
Remove //net (except for Android test stuff) and sdch (Closed)
Base URL: git@github.com:domokit/mojo.git@master