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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 | |
| 13 single_process_sslMutex_Init(sslMutex* pMutex) | |
| 14 { | |
| 15 PR_ASSERT(pMutex != 0 && pMutex->u.sslLock == 0); | |
| 16 | |
| 17 pMutex->u.sslLock = PR_NewLock(); | |
| 18 if (!pMutex->u.sslLock) { | |
| 19 return SECFailure; | |
| 20 } | |
| 21 return SECSuccess; | |
| 22 } | |
| 23 | |
| 24 static SECStatus | |
| 25 single_process_sslMutex_Destroy(sslMutex* pMutex) | |
| 26 { | |
| 27 PR_ASSERT(pMutex != 0); | |
| 28 PR_ASSERT(pMutex->u.sslLock != 0); | |
| 29 if (!pMutex->u.sslLock) { | |
| 30 PORT_SetError(PR_INVALID_ARGUMENT_ERROR); | |
| 31 return SECFailure; | |
| 32 } | |
| 33 PR_DestroyLock(pMutex->u.sslLock); | |
| 34 return SECSuccess; | |
| 35 } | |
| 36 | |
| 37 static SECStatus | |
| 38 single_process_sslMutex_Unlock(sslMutex* pMutex) | |
| 39 { | |
| 40 PR_ASSERT(pMutex != 0); | |
| 41 PR_ASSERT(pMutex->u.sslLock != 0); | |
| 42 if (!pMutex->u.sslLock) { | |
| 43 PORT_SetError(PR_INVALID_ARGUMENT_ERROR); | |
| 44 return SECFailure; | |
| 45 } | |
| 46 PR_Unlock(pMutex->u.sslLock); | |
| 47 return SECSuccess; | |
| 48 } | |
| 49 | |
| 50 static SECStatus | |
| 51 single_process_sslMutex_Lock(sslMutex* pMutex) | |
| 52 { | |
| 53 PR_ASSERT(pMutex != 0); | |
| 54 PR_ASSERT(pMutex->u.sslLock != 0); | |
| 55 if (!pMutex->u.sslLock) { | |
| 56 PORT_SetError(PR_INVALID_ARGUMENT_ERROR); | |
| 57 return SECFailure; | |
| 58 } | |
| 59 PR_Lock(pMutex->u.sslLock); | |
| 60 return SECSuccess; | |
| 61 } | |
| 62 | |
| 63 #if defined(LINUX) || defined(AIX) || defined(BEOS) || defined(BSDI) || (defined
(NETBSD) && __NetBSD_Version__ < 500000000) || defined(OPENBSD) | |
| 64 | |
| 65 #include <unistd.h> | |
| 66 #include <fcntl.h> | |
| 67 #include <string.h> | |
| 68 #include <errno.h> | |
| 69 #include "unix_err.h" | |
| 70 #include "pratom.h" | |
| 71 | |
| 72 #define SSL_MUTEX_MAGIC 0xfeedfd | |
| 73 #define NONBLOCKING_POSTS 1 /* maybe this is faster */ | |
| 74 | |
| 75 #if NONBLOCKING_POSTS | |
| 76 | |
| 77 #ifndef FNONBLOCK | |
| 78 #define FNONBLOCK O_NONBLOCK | |
| 79 #endif | |
| 80 | |
| 81 static int | |
| 82 setNonBlocking(int fd, int nonBlocking) | |
| 83 { | |
| 84 int flags; | |
| 85 int err; | |
| 86 | |
| 87 flags = fcntl(fd, F_GETFL, 0); | |
| 88 if (0 > flags) | |
| 89 return flags; | |
| 90 if (nonBlocking) | |
| 91 flags |= FNONBLOCK; | |
| 92 else | |
| 93 flags &= ~FNONBLOCK; | |
| 94 err = fcntl(fd, F_SETFL, flags); | |
| 95 return err; | |
| 96 } | |
| 97 #endif | |
| 98 | |
| 99 SECStatus | |
| 100 sslMutex_Init(sslMutex* pMutex, int shared) | |
| 101 { | |
| 102 int err; | |
| 103 PR_ASSERT(pMutex); | |
| 104 pMutex->isMultiProcess = (PRBool)(shared != 0); | |
| 105 if (!shared) { | |
| 106 return single_process_sslMutex_Init(pMutex); | |
| 107 } | |
| 108 pMutex->u.pipeStr.mPipes[0] = -1; | |
| 109 pMutex->u.pipeStr.mPipes[1] = -1; | |
| 110 pMutex->u.pipeStr.mPipes[2] = -1; | |
| 111 pMutex->u.pipeStr.nWaiters = 0; | |
| 112 | |
| 113 err = pipe(pMutex->u.pipeStr.mPipes); | |
| 114 if (err) { | |
| 115 nss_MD_unix_map_default_error(errno); | |
| 116 return err; | |
| 117 } | |
| 118 #if NONBLOCKING_POSTS | |
| 119 err = setNonBlocking(pMutex->u.pipeStr.mPipes[1], 1); | |
| 120 if (err) | |
| 121 goto loser; | |
| 122 #endif | |
| 123 | |
| 124 pMutex->u.pipeStr.mPipes[2] = SSL_MUTEX_MAGIC; | |
| 125 | |
| 126 #if defined(LINUX) && defined(i386) | |
| 127 /* Pipe starts out empty */ | |
| 128 return SECSuccess; | |
| 129 #else | |
| 130 /* Pipe starts with one byte. */ | |
| 131 return sslMutex_Unlock(pMutex); | |
| 132 #endif | |
| 133 | |
| 134 loser: | |
| 135 nss_MD_unix_map_default_error(errno); | |
| 136 close(pMutex->u.pipeStr.mPipes[0]); | |
| 137 close(pMutex->u.pipeStr.mPipes[1]); | |
| 138 return SECFailure; | |
| 139 } | |
| 140 | |
| 141 SECStatus | |
| 142 sslMutex_Destroy(sslMutex* pMutex, PRBool processLocal) | |
| 143 { | |
| 144 if (PR_FALSE == pMutex->isMultiProcess) { | |
| 145 return single_process_sslMutex_Destroy(pMutex); | |
| 146 } | |
| 147 if (pMutex->u.pipeStr.mPipes[2] != SSL_MUTEX_MAGIC) { | |
| 148 PORT_SetError(PR_INVALID_ARGUMENT_ERROR); | |
| 149 return SECFailure; | |
| 150 } | |
| 151 close(pMutex->u.pipeStr.mPipes[0]); | |
| 152 close(pMutex->u.pipeStr.mPipes[1]); | |
| 153 | |
| 154 if (processLocal) { | |
| 155 return SECSuccess; | |
| 156 } | |
| 157 | |
| 158 pMutex->u.pipeStr.mPipes[0] = -1; | |
| 159 pMutex->u.pipeStr.mPipes[1] = -1; | |
| 160 pMutex->u.pipeStr.mPipes[2] = -1; | |
| 161 pMutex->u.pipeStr.nWaiters = 0; | |
| 162 | |
| 163 return SECSuccess; | |
| 164 } | |
| 165 | |
| 166 #if defined(LINUX) && defined(i386) | |
| 167 /* No memory barrier needed for this platform */ | |
| 168 | |
| 169 /* nWaiters includes the holder of the lock (if any) and the number | |
| 170 ** threads waiting for it. After incrementing nWaiters, if the count | |
| 171 ** is exactly 1, then you have the lock and may proceed. If the | |
| 172 ** count is greater than 1, then you must wait on the pipe. | |
| 173 */ | |
| 174 | |
| 175 SECStatus | |
| 176 sslMutex_Unlock(sslMutex* pMutex) | |
| 177 { | |
| 178 PRInt32 newValue; | |
| 179 if (PR_FALSE == pMutex->isMultiProcess) { | |
| 180 return single_process_sslMutex_Unlock(pMutex); | |
| 181 } | |
| 182 | |
| 183 if (pMutex->u.pipeStr.mPipes[2] != SSL_MUTEX_MAGIC) { | |
| 184 PORT_SetError(PR_INVALID_ARGUMENT_ERROR); | |
| 185 return SECFailure; | |
| 186 } | |
| 187 /* Do Memory Barrier here. */ | |
| 188 newValue = PR_ATOMIC_DECREMENT(&pMutex->u.pipeStr.nWaiters); | |
| 189 if (newValue > 0) { | |
| 190 int cc; | |
| 191 char c = 1; | |
| 192 do { | |
| 193 cc = write(pMutex->u.pipeStr.mPipes[1], &c, 1); | |
| 194 } while (cc < 0 && (errno == EINTR || errno == EAGAIN)); | |
| 195 if (cc != 1) { | |
| 196 if (cc < 0) | |
| 197 nss_MD_unix_map_default_error(errno); | |
| 198 else | |
| 199 PORT_SetError(PR_UNKNOWN_ERROR); | |
| 200 return SECFailure; | |
| 201 } | |
| 202 } | |
| 203 return SECSuccess; | |
| 204 } | |
| 205 | |
| 206 SECStatus | |
| 207 sslMutex_Lock(sslMutex* pMutex) | |
| 208 { | |
| 209 PRInt32 newValue; | |
| 210 if (PR_FALSE == pMutex->isMultiProcess) { | |
| 211 return single_process_sslMutex_Lock(pMutex); | |
| 212 } | |
| 213 | |
| 214 if (pMutex->u.pipeStr.mPipes[2] != SSL_MUTEX_MAGIC) { | |
| 215 PORT_SetError(PR_INVALID_ARGUMENT_ERROR); | |
| 216 return SECFailure; | |
| 217 } | |
| 218 newValue = PR_ATOMIC_INCREMENT(&pMutex->u.pipeStr.nWaiters); | |
| 219 /* Do Memory Barrier here. */ | |
| 220 if (newValue > 1) { | |
| 221 int cc; | |
| 222 char c; | |
| 223 do { | |
| 224 cc = read(pMutex->u.pipeStr.mPipes[0], &c, 1); | |
| 225 } while (cc < 0 && errno == EINTR); | |
| 226 if (cc != 1) { | |
| 227 if (cc < 0) | |
| 228 nss_MD_unix_map_default_error(errno); | |
| 229 else | |
| 230 PORT_SetError(PR_UNKNOWN_ERROR); | |
| 231 return SECFailure; | |
| 232 } | |
| 233 } | |
| 234 return SECSuccess; | |
| 235 } | |
| 236 | |
| 237 #else | |
| 238 | |
| 239 /* Using Atomic operations requires the use of a memory barrier instruction | |
| 240 ** on PowerPC, Sparc, and Alpha. NSPR's PR_Atomic functions do not perform | |
| 241 ** them, and NSPR does not provide a function that does them (e.g. PR_Barrier). | |
| 242 ** So, we don't use them on those platforms. | |
| 243 */ | |
| 244 | |
| 245 SECStatus | |
| 246 sslMutex_Unlock(sslMutex* pMutex) | |
| 247 { | |
| 248 int cc; | |
| 249 char c = 1; | |
| 250 | |
| 251 if (PR_FALSE == pMutex->isMultiProcess) { | |
| 252 return single_process_sslMutex_Unlock(pMutex); | |
| 253 } | |
| 254 | |
| 255 if (pMutex->u.pipeStr.mPipes[2] != SSL_MUTEX_MAGIC) { | |
| 256 PORT_SetError(PR_INVALID_ARGUMENT_ERROR); | |
| 257 return SECFailure; | |
| 258 } | |
| 259 do { | |
| 260 cc = write(pMutex->u.pipeStr.mPipes[1], &c, 1); | |
| 261 } while (cc < 0 && (errno == EINTR || errno == EAGAIN)); | |
| 262 if (cc != 1) { | |
| 263 if (cc < 0) | |
| 264 nss_MD_unix_map_default_error(errno); | |
| 265 else | |
| 266 PORT_SetError(PR_UNKNOWN_ERROR); | |
| 267 return SECFailure; | |
| 268 } | |
| 269 | |
| 270 return SECSuccess; | |
| 271 } | |
| 272 | |
| 273 SECStatus | |
| 274 sslMutex_Lock(sslMutex* pMutex) | |
| 275 { | |
| 276 int cc; | |
| 277 char c; | |
| 278 | |
| 279 if (PR_FALSE == pMutex->isMultiProcess) { | |
| 280 return single_process_sslMutex_Lock(pMutex); | |
| 281 } | |
| 282 | |
| 283 if (pMutex->u.pipeStr.mPipes[2] != SSL_MUTEX_MAGIC) { | |
| 284 PORT_SetError(PR_INVALID_ARGUMENT_ERROR); | |
| 285 return SECFailure; | |
| 286 } | |
| 287 | |
| 288 do { | |
| 289 cc = read(pMutex->u.pipeStr.mPipes[0], &c, 1); | |
| 290 } while (cc < 0 && errno == EINTR); | |
| 291 if (cc != 1) { | |
| 292 if (cc < 0) | |
| 293 nss_MD_unix_map_default_error(errno); | |
| 294 else | |
| 295 PORT_SetError(PR_UNKNOWN_ERROR); | |
| 296 return SECFailure; | |
| 297 } | |
| 298 | |
| 299 return SECSuccess; | |
| 300 } | |
| 301 | |
| 302 #endif | |
| 303 | |
| 304 #elif defined(WIN32) | |
| 305 | |
| 306 #include "win32err.h" | |
| 307 | |
| 308 /* on Windows, we need to find the optimal type of locking mechanism to use | |
| 309 for the sslMutex. | |
| 310 | |
| 311 There are 3 cases : | |
| 312 1) single-process, use a PRLock, as for all other platforms | |
| 313 2) Win95 multi-process, use a Win32 mutex | |
| 314 3) on WINNT multi-process, use a PRLock + a Win32 mutex | |
| 315 | |
| 316 */ | |
| 317 | |
| 318 #ifdef WINNT | |
| 319 | |
| 320 SECStatus | |
| 321 sslMutex_2LevelInit(sslMutex *sem) | |
| 322 { | |
| 323 /* the following adds a PRLock to sslMutex . This is done in each | |
| 324 process of a multi-process server and is only needed on WINNT, if | |
| 325 using fibers. We can't tell if native threads or fibers are used, so | |
| 326 we always do it on WINNT | |
| 327 */ | |
| 328 PR_ASSERT(sem); | |
| 329 if (sem) { | |
| 330 /* we need to reset the sslLock in the children or the single_process in
it | |
| 331 function below will assert */ | |
| 332 sem->u.sslLock = NULL; | |
| 333 } | |
| 334 return single_process_sslMutex_Init(sem); | |
| 335 } | |
| 336 | |
| 337 static SECStatus | |
| 338 sslMutex_2LevelDestroy(sslMutex *sem) | |
| 339 { | |
| 340 return single_process_sslMutex_Destroy(sem); | |
| 341 } | |
| 342 | |
| 343 #endif | |
| 344 | |
| 345 SECStatus | |
| 346 sslMutex_Init(sslMutex *pMutex, int shared) | |
| 347 { | |
| 348 #ifdef WINNT | |
| 349 SECStatus retvalue; | |
| 350 #endif | |
| 351 HANDLE hMutex; | |
| 352 SECURITY_ATTRIBUTES attributes = | |
| 353 { sizeof(SECURITY_ATTRIBUTES), NULL, TRUE }; | |
| 354 | |
| 355 PR_ASSERT(pMutex != 0 && (pMutex->u.sslMutx == 0 || | |
| 356 pMutex->u.sslMutx == | |
| 357 INVALID_HANDLE_VALUE)); | |
| 358 | |
| 359 pMutex->isMultiProcess = (PRBool)(shared != 0); | |
| 360 | |
| 361 if (PR_FALSE == pMutex->isMultiProcess) { | |
| 362 return single_process_sslMutex_Init(pMutex); | |
| 363 } | |
| 364 | |
| 365 #ifdef WINNT | |
| 366 /* we need a lock on WINNT for fibers in the parent process */ | |
| 367 retvalue = sslMutex_2LevelInit(pMutex); | |
| 368 if (SECSuccess != retvalue) | |
| 369 return SECFailure; | |
| 370 #endif | |
| 371 | |
| 372 if (!pMutex || ((hMutex = pMutex->u.sslMutx) != 0 && | |
| 373 hMutex != | |
| 374 INVALID_HANDLE_VALUE)) { | |
| 375 PORT_SetError(PR_INVALID_ARGUMENT_ERROR); | |
| 376 return SECFailure; | |
| 377 } | |
| 378 attributes.bInheritHandle = (shared ? TRUE : FALSE); | |
| 379 hMutex = CreateMutex(&attributes, FALSE, NULL); | |
| 380 if (hMutex == NULL) { | |
| 381 hMutex = INVALID_HANDLE_VALUE; | |
| 382 nss_MD_win32_map_default_error(GetLastError()); | |
| 383 return SECFailure; | |
| 384 } | |
| 385 pMutex->u.sslMutx = hMutex; | |
| 386 return SECSuccess; | |
| 387 } | |
| 388 | |
| 389 SECStatus | |
| 390 sslMutex_Destroy(sslMutex *pMutex, PRBool processLocal) | |
| 391 { | |
| 392 HANDLE hMutex; | |
| 393 int rv; | |
| 394 int retvalue = SECSuccess; | |
| 395 | |
| 396 PR_ASSERT(pMutex != 0); | |
| 397 if (PR_FALSE == pMutex->isMultiProcess) { | |
| 398 return single_process_sslMutex_Destroy(pMutex); | |
| 399 } | |
| 400 | |
| 401 /* multi-process mode */ | |
| 402 #ifdef WINNT | |
| 403 /* on NT, get rid of the PRLock used for fibers within a process */ | |
| 404 retvalue = sslMutex_2LevelDestroy(pMutex); | |
| 405 #endif | |
| 406 | |
| 407 PR_ASSERT(pMutex->u.sslMutx != 0 && | |
| 408 pMutex->u.sslMutx != INVALID_HANDLE_VALUE); | |
| 409 if (!pMutex || (hMutex = pMutex->u.sslMutx) == 0 || | |
| 410 hMutex == INVALID_HANDLE_VALUE) { | |
| 411 PORT_SetError(PR_INVALID_ARGUMENT_ERROR); | |
| 412 return SECFailure; | |
| 413 } | |
| 414 | |
| 415 rv = CloseHandle(hMutex); /* ignore error */ | |
| 416 if (!processLocal && rv) { | |
| 417 pMutex->u.sslMutx = hMutex = INVALID_HANDLE_VALUE; | |
| 418 } | |
| 419 if (!rv) { | |
| 420 nss_MD_win32_map_default_error(GetLastError()); | |
| 421 retvalue = SECFailure; | |
| 422 } | |
| 423 return retvalue; | |
| 424 } | |
| 425 | |
| 426 int | |
| 427 sslMutex_Unlock(sslMutex *pMutex) | |
| 428 { | |
| 429 BOOL success = FALSE; | |
| 430 HANDLE hMutex; | |
| 431 | |
| 432 PR_ASSERT(pMutex != 0); | |
| 433 if (PR_FALSE == pMutex->isMultiProcess) { | |
| 434 return single_process_sslMutex_Unlock(pMutex); | |
| 435 } | |
| 436 | |
| 437 PR_ASSERT(pMutex->u.sslMutx != 0 && | |
| 438 pMutex->u.sslMutx != INVALID_HANDLE_VALUE); | |
| 439 if (!pMutex || (hMutex = pMutex->u.sslMutx) == 0 || | |
| 440 hMutex == INVALID_HANDLE_VALUE) { | |
| 441 PORT_SetError(PR_INVALID_ARGUMENT_ERROR); | |
| 442 return SECFailure; | |
| 443 } | |
| 444 success = ReleaseMutex(hMutex); | |
| 445 if (!success) { | |
| 446 nss_MD_win32_map_default_error(GetLastError()); | |
| 447 return SECFailure; | |
| 448 } | |
| 449 #ifdef WINNT | |
| 450 return single_process_sslMutex_Unlock(pMutex); | |
| 451 /* release PRLock for other fibers in the process */ | |
| 452 #else | |
| 453 return SECSuccess; | |
| 454 #endif | |
| 455 } | |
| 456 | |
| 457 int | |
| 458 sslMutex_Lock(sslMutex *pMutex) | |
| 459 { | |
| 460 HANDLE hMutex; | |
| 461 DWORD event; | |
| 462 DWORD lastError; | |
| 463 SECStatus rv; | |
| 464 SECStatus retvalue = SECSuccess; | |
| 465 PR_ASSERT(pMutex != 0); | |
| 466 | |
| 467 if (PR_FALSE == pMutex->isMultiProcess) { | |
| 468 return single_process_sslMutex_Lock(pMutex); | |
| 469 } | |
| 470 #ifdef WINNT | |
| 471 /* lock first to preserve from other threads/fibers | |
| 472 in the same process */ | |
| 473 retvalue = single_process_sslMutex_Lock(pMutex); | |
| 474 #endif | |
| 475 PR_ASSERT(pMutex->u.sslMutx != 0 && | |
| 476 pMutex->u.sslMutx != INVALID_HANDLE_VALUE); | |
| 477 if (!pMutex || (hMutex = pMutex->u.sslMutx) == 0 || | |
| 478 hMutex == INVALID_HANDLE_VALUE) { | |
| 479 PORT_SetError(PR_INVALID_ARGUMENT_ERROR); | |
| 480 return SECFailure; /* what else ? */ | |
| 481 } | |
| 482 /* acquire the mutex to be the only owner accross all other processes */ | |
| 483 event = WaitForSingleObject(hMutex, INFINITE); | |
| 484 switch (event) { | |
| 485 case WAIT_OBJECT_0: | |
| 486 case WAIT_ABANDONED: | |
| 487 rv = SECSuccess; | |
| 488 break; | |
| 489 | |
| 490 case WAIT_TIMEOUT: | |
| 491 #if defined(WAIT_IO_COMPLETION) | |
| 492 case WAIT_IO_COMPLETION: | |
| 493 #endif | |
| 494 default: /* should never happen. nothing we can do. */ | |
| 495 PR_ASSERT(!("WaitForSingleObject returned invalid value.")); | |
| 496 PORT_SetError(PR_UNKNOWN_ERROR); | |
| 497 rv = SECFailure; | |
| 498 break; | |
| 499 | |
| 500 case WAIT_FAILED: /* failure returns this */ | |
| 501 rv = SECFailure; | |
| 502 lastError = GetLastError(); /* for debugging */ | |
| 503 nss_MD_win32_map_default_error(lastError); | |
| 504 break; | |
| 505 } | |
| 506 | |
| 507 if (!(SECSuccess == retvalue && SECSuccess == rv)) { | |
| 508 return SECFailure; | |
| 509 } | |
| 510 | |
| 511 return SECSuccess; | |
| 512 } | |
| 513 | |
| 514 #elif defined(XP_UNIX) && !defined(DARWIN) | |
| 515 | |
| 516 #include <errno.h> | |
| 517 #include "unix_err.h" | |
| 518 | |
| 519 SECStatus | |
| 520 sslMutex_Init(sslMutex* pMutex, int shared) | |
| 521 { | |
| 522 int rv; | |
| 523 PR_ASSERT(pMutex); | |
| 524 pMutex->isMultiProcess = (PRBool)(shared != 0); | |
| 525 if (!shared) { | |
| 526 return single_process_sslMutex_Init(pMutex); | |
| 527 } | |
| 528 do { | |
| 529 rv = sem_init(&pMutex->u.sem, shared, 1); | |
| 530 } while (rv < 0 && errno == EINTR); | |
| 531 if (rv < 0) { | |
| 532 nss_MD_unix_map_default_error(errno); | |
| 533 return SECFailure; | |
| 534 } | |
| 535 return SECSuccess; | |
| 536 } | |
| 537 | |
| 538 SECStatus | |
| 539 sslMutex_Destroy(sslMutex* pMutex, PRBool processLocal) | |
| 540 { | |
| 541 int rv; | |
| 542 if (PR_FALSE == pMutex->isMultiProcess) { | |
| 543 return single_process_sslMutex_Destroy(pMutex); | |
| 544 } | |
| 545 | |
| 546 /* semaphores are global resources. See SEM_DESTROY(3) man page */ | |
| 547 if (processLocal) { | |
| 548 return SECSuccess; | |
| 549 } | |
| 550 do { | |
| 551 rv = sem_destroy(&pMutex->u.sem); | |
| 552 } while (rv < 0 && errno == EINTR); | |
| 553 if (rv < 0) { | |
| 554 nss_MD_unix_map_default_error(errno); | |
| 555 return SECFailure; | |
| 556 } | |
| 557 return SECSuccess; | |
| 558 } | |
| 559 | |
| 560 SECStatus | |
| 561 sslMutex_Unlock(sslMutex* pMutex) | |
| 562 { | |
| 563 int rv; | |
| 564 if (PR_FALSE == pMutex->isMultiProcess) { | |
| 565 return single_process_sslMutex_Unlock(pMutex); | |
| 566 } | |
| 567 do { | |
| 568 rv = sem_post(&pMutex->u.sem); | |
| 569 } while (rv < 0 && errno == EINTR); | |
| 570 if (rv < 0) { | |
| 571 nss_MD_unix_map_default_error(errno); | |
| 572 return SECFailure; | |
| 573 } | |
| 574 return SECSuccess; | |
| 575 } | |
| 576 | |
| 577 SECStatus | |
| 578 sslMutex_Lock(sslMutex* pMutex) | |
| 579 { | |
| 580 int rv; | |
| 581 if (PR_FALSE == pMutex->isMultiProcess) { | |
| 582 return single_process_sslMutex_Lock(pMutex); | |
| 583 } | |
| 584 do { | |
| 585 rv = sem_wait(&pMutex->u.sem); | |
| 586 } while (rv < 0 && errno == EINTR); | |
| 587 if (rv < 0) { | |
| 588 nss_MD_unix_map_default_error(errno); | |
| 589 return SECFailure; | |
| 590 } | |
| 591 return SECSuccess; | |
| 592 } | |
| 593 | |
| 594 #else | |
| 595 | |
| 596 SECStatus | |
| 597 sslMutex_Init(sslMutex* pMutex, int shared) | |
| 598 { | |
| 599 PR_ASSERT(pMutex); | |
| 600 pMutex->isMultiProcess = (PRBool)(shared != 0); | |
| 601 if (!shared) { | |
| 602 return single_process_sslMutex_Init(pMutex); | |
| 603 } | |
| 604 PORT_Assert(!("sslMutex_Init not implemented for multi-process applications
!")); | |
| 605 PORT_SetError(PR_NOT_IMPLEMENTED_ERROR); | |
| 606 return SECFailure; | |
| 607 } | |
| 608 | |
| 609 SECStatus | |
| 610 sslMutex_Destroy(sslMutex* pMutex, PRBool processLocal) | |
| 611 { | |
| 612 PR_ASSERT(pMutex); | |
| 613 if (PR_FALSE == pMutex->isMultiProcess) { | |
| 614 return single_process_sslMutex_Destroy(pMutex); | |
| 615 } | |
| 616 PORT_Assert(!("sslMutex_Destroy not implemented for multi-process applicatio
ns !")); | |
| 617 PORT_SetError(PR_NOT_IMPLEMENTED_ERROR); | |
| 618 return SECFailure; | |
| 619 } | |
| 620 | |
| 621 SECStatus | |
| 622 sslMutex_Unlock(sslMutex* pMutex) | |
| 623 { | |
| 624 PR_ASSERT(pMutex); | |
| 625 if (PR_FALSE == pMutex->isMultiProcess) { | |
| 626 return single_process_sslMutex_Unlock(pMutex); | |
| 627 } | |
| 628 PORT_Assert(!("sslMutex_Unlock not implemented for multi-process application
s !")); | |
| 629 PORT_SetError(PR_NOT_IMPLEMENTED_ERROR); | |
| 630 return SECFailure; | |
| 631 } | |
| 632 | |
| 633 SECStatus | |
| 634 sslMutex_Lock(sslMutex* pMutex) | |
| 635 { | |
| 636 PR_ASSERT(pMutex); | |
| 637 if (PR_FALSE == pMutex->isMultiProcess) { | |
| 638 return single_process_sslMutex_Lock(pMutex); | |
| 639 } | |
| 640 PORT_Assert(!("sslMutex_Lock not implemented for multi-process applications
!")); | |
| 641 PORT_SetError(PR_NOT_IMPLEMENTED_ERROR); | |
| 642 return SECFailure; | |
| 643 } | |
| 644 | |
| 645 #endif | |
| 646 | |
| 647 #endif | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 1882433002:
Removing NSS files and USE_OPENSSL flag (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master