Emeric Vigier | 2f62582 | 2012-08-06 11:09:52 -0400 | [diff] [blame] | 1 | // Copyright (C) 1999-2005 Open Source Telecom Corporation. |
| 2 | // Copyright (C) 2006-2010 David Sugar, Tycho Softworks. |
| 3 | // |
| 4 | // This program is free software; you can redistribute it and/or modify |
| 5 | // it under the terms of the GNU General Public License as published by |
| 6 | // the Free Software Foundation; either version 2 of the License, or |
| 7 | // (at your option) any later version. |
| 8 | // |
| 9 | // This program is distributed in the hope that it will be useful, |
| 10 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | // GNU General Public License for more details. |
| 13 | // |
| 14 | // You should have received a copy of the GNU General Public License |
| 15 | // along with this program; if not, write to the Free Software |
| 16 | // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 17 | // |
| 18 | // As a special exception, you may use this file as part of a free software |
| 19 | // library without restriction. Specifically, if other files instantiate |
| 20 | // templates or use macros or inline functions from this file, or you compile |
| 21 | // this file and link it with other files to produce an executable, this |
| 22 | // file does not by itself cause the resulting executable to be covered by |
| 23 | // the GNU General Public License. This exception does not however |
| 24 | // invalidate any other reasons why the executable file might be covered by |
| 25 | // the GNU General Public License. |
| 26 | // |
| 27 | // This exception applies only to the code released under the name GNU |
| 28 | // Common C++. If you copy code from other releases into a copy of GNU |
| 29 | // Common C++, as the General Public License permits, the exception does |
| 30 | // not apply to the code that you add in this way. To avoid misleading |
| 31 | // anyone as to the status of such modified files, you must delete |
| 32 | // this exception notice from them. |
| 33 | // |
| 34 | // If you write modifications of your own for GNU Common C++, it is your choice |
| 35 | // whether to permit this exception to apply to your modifications. |
| 36 | // If you do not wish that, delete this exception notice. |
| 37 | // |
| 38 | |
| 39 | #include <cc++/config.h> |
| 40 | #include <cc++/export.h> |
| 41 | #include <cc++/thread.h> |
| 42 | #include <cc++/process.h> |
| 43 | #include <cc++/strchar.h> |
| 44 | |
| 45 | #include <cstdlib> |
| 46 | #include <cstdio> |
| 47 | #include <cerrno> |
| 48 | #include <csignal> |
| 49 | |
| 50 | #ifdef MACOSX |
| 51 | #undef _POSIX_PRIORITY_SCHEDULING |
| 52 | #endif |
| 53 | |
| 54 | #ifndef WIN32 |
| 55 | #ifdef HAVE_SYS_TIME_H |
| 56 | #include <sys/time.h> |
| 57 | #endif |
| 58 | |
| 59 | #ifdef HAVE_SYS_WAIT_H |
| 60 | #include <sys/wait.h> |
| 61 | #endif |
| 62 | |
| 63 | #include <pwd.h> |
| 64 | #include <grp.h> |
| 65 | |
| 66 | #ifdef SIGTSTP |
| 67 | #include <sys/file.h> |
| 68 | #include <sys/ioctl.h> |
| 69 | #endif |
| 70 | |
| 71 | #ifndef _PATH_TTY |
| 72 | #define _PATH_TTY "/dev/tty" |
| 73 | #endif |
| 74 | #endif |
| 75 | |
| 76 | #ifdef WIN32 |
| 77 | #include <process.h> |
| 78 | #include <stdio.h> |
| 79 | #endif |
| 80 | |
| 81 | #ifdef CCXX_NAMESPACES |
| 82 | namespace ost { |
| 83 | #endif |
| 84 | |
| 85 | static char *_pUser = NULL; |
| 86 | static char *_pHome = NULL; |
| 87 | |
| 88 | bool Process::rtflag = false; |
| 89 | |
| 90 | #ifdef WIN32 |
| 91 | |
| 92 | static SYSTEM_INFO sysinfo; |
| 93 | static LPSYSTEM_INFO lpSysInfo = NULL; |
| 94 | |
| 95 | static void init_sysinfo(void) |
| 96 | { |
| 97 | if(!lpSysInfo) { |
| 98 | lpSysInfo = &sysinfo; |
| 99 | memset(&sysinfo, 0, sizeof(sysinfo)); |
| 100 | GetSystemInfo(lpSysInfo); |
| 101 | } |
| 102 | } |
| 103 | |
| 104 | const char *Process::getUser(void) |
| 105 | { |
| 106 | static char userid[65]; |
| 107 | DWORD length = sizeof(userid); |
| 108 | |
| 109 | if(GetUserName(userid, &length)) |
| 110 | return userid; |
| 111 | |
| 112 | return NULL; |
| 113 | } |
| 114 | |
| 115 | size_t Process::getPageSize(void) |
| 116 | { |
| 117 | init_sysinfo(); |
| 118 | return (size_t) lpSysInfo->dwPageSize; |
| 119 | } |
| 120 | |
| 121 | int Process::spawn(const char *exename, const char **args, bool wait) |
| 122 | { |
| 123 | int mode = P_NOWAIT; |
| 124 | |
| 125 | if(wait) |
| 126 | mode = P_WAIT; |
| 127 | |
| 128 | return (int)::spawnvp(mode, (char *)exename, (char **)args); |
| 129 | } |
| 130 | |
| 131 | int Process::join(int pid) |
| 132 | { |
| 133 | int status, result; |
| 134 | |
| 135 | if(pid == -1) |
| 136 | return pid; |
| 137 | |
| 138 | result = (int)cwait(&status, pid, WAIT_CHILD); |
| 139 | if(status & 0x0) |
| 140 | return -1; |
| 141 | return result; |
| 142 | } |
| 143 | |
| 144 | bool Process::cancel(int pid, int sig) |
| 145 | { |
| 146 | HANDLE hPid = OpenProcess(PROCESS_TERMINATE, FALSE, pid); |
| 147 | bool rtn = true; |
| 148 | |
| 149 | if(!hPid) |
| 150 | return false; |
| 151 | |
| 152 | switch(sig) { |
| 153 | case SIGABRT: |
| 154 | case SIGTERM: |
| 155 | if(!TerminateProcess(hPid, -1)) |
| 156 | rtn = false; |
| 157 | case 0: |
| 158 | break; |
| 159 | default: |
| 160 | rtn = false; |
| 161 | } |
| 162 | CloseHandle(hPid); |
| 163 | return rtn; |
| 164 | } |
| 165 | |
| 166 | void Process::setPriority(int pri) |
| 167 | { |
| 168 | DWORD pc = NORMAL_PRIORITY_CLASS; |
| 169 | DWORD pid = GetCurrentProcessId(); |
| 170 | HANDLE hProcess = OpenProcess(PROCESS_DUP_HANDLE, TRUE, pid); |
| 171 | |
| 172 | #ifdef BELOW_NORMAL_PRIORITY_CLASS |
| 173 | if(pri == -1) |
| 174 | pc = BELOW_NORMAL_PRIORITY_CLASS; |
| 175 | else if(pri == 1) |
| 176 | pc = ABOVE_NORMAL_PRIORITY_CLASS; |
| 177 | else |
| 178 | #endif |
| 179 | if(pri == 2) |
| 180 | pc = HIGH_PRIORITY_CLASS; |
| 181 | else if(pri > 2) |
| 182 | pc = REALTIME_PRIORITY_CLASS; |
| 183 | else if(pri < -1) |
| 184 | pc = IDLE_PRIORITY_CLASS; |
| 185 | |
| 186 | SetPriorityClass(hProcess, pc); |
| 187 | CloseHandle(hProcess); |
| 188 | } |
| 189 | |
| 190 | void Process::setScheduler(const char *cp) |
| 191 | { |
| 192 | if(!stricmp(cp, "fifo")) |
| 193 | setPriority(3); |
| 194 | else if(!stricmp(cp, "rr")) |
| 195 | setPriority(2); |
| 196 | else if(!stricmp(cp, "idle")) |
| 197 | setPriority(-2); |
| 198 | else |
| 199 | setPriority(0); |
| 200 | } |
| 201 | |
| 202 | void Process::setRealtime(int pri) |
| 203 | { |
| 204 | setPriority(3); |
| 205 | } |
| 206 | |
| 207 | bool Process::isScheduler(void) |
| 208 | { |
| 209 | return false; |
| 210 | } |
| 211 | |
| 212 | #else |
| 213 | |
| 214 | #ifndef WEXITSTATUS |
| 215 | #define WEXITSTATUS(status) ((unsigned)(status) >> 8) |
| 216 | #endif |
| 217 | |
| 218 | #ifndef WIFEXITED |
| 219 | #define WIFEXITED(status) (((status) & 255) == 0) |
| 220 | #endif |
| 221 | |
| 222 | #ifndef WTERMSIG |
| 223 | #define WTERMSIG(status) (((unsigned)(status)) & 0x7F) |
| 224 | #endif |
| 225 | |
| 226 | #ifndef WIFSIGNALLED |
| 227 | #define WIFSIGNALLED(status) (((status) & 255) != 0) |
| 228 | #endif |
| 229 | |
| 230 | #ifndef WCOREDUMP |
| 231 | #define WCOREDUMP(status) (((status) & 0x80) != 0) |
| 232 | #endif |
| 233 | |
| 234 | static void lookup(void) |
| 235 | { |
| 236 | struct passwd *pw = NULL; |
| 237 | #ifdef HAVE_GETPWUID_R |
| 238 | struct passwd pwd; |
| 239 | char buffer[1024]; |
| 240 | |
| 241 | ::getpwuid_r(geteuid(), &pwd, buffer, 1024, &pw); |
| 242 | #else |
| 243 | pw = ::getpwuid(geteuid()); |
| 244 | #endif |
| 245 | |
| 246 | if(_pHome) |
| 247 | delString(_pHome); |
| 248 | if(_pUser) |
| 249 | delString(_pUser); |
| 250 | |
| 251 | _pUser = _pHome = NULL; |
| 252 | |
| 253 | if(pw != NULL && pw->pw_dir != NULL) |
| 254 | _pHome = newString(pw->pw_dir); |
| 255 | |
| 256 | if(pw != NULL && pw->pw_name != NULL) |
| 257 | _pUser = newString(pw->pw_name); |
| 258 | |
| 259 | endpwent(); |
| 260 | } |
| 261 | |
| 262 | const char *Process::getUser(void) |
| 263 | { |
| 264 | if(!_pUser) |
| 265 | lookup(); |
| 266 | |
| 267 | return (const char *)_pUser; |
| 268 | } |
| 269 | |
| 270 | const char *Process::getConfigDir(void) |
| 271 | { |
| 272 | #ifdef ETC_CONFDIR |
| 273 | return ETC_CONFDIR; |
| 274 | #else |
| 275 | return ETC_PREFIX; |
| 276 | #endif |
| 277 | } |
| 278 | |
| 279 | const char *Process::getHomeDir(void) |
| 280 | { |
| 281 | if(!_pHome) |
| 282 | lookup(); |
| 283 | |
| 284 | return (const char *)_pHome; |
| 285 | } |
| 286 | |
| 287 | #ifdef HAVE_GETPAGESIZE |
| 288 | size_t Process::getPageSize(void) |
| 289 | { |
| 290 | return (size_t)getpagesize(); |
| 291 | } |
| 292 | |
| 293 | #else |
| 294 | |
| 295 | size_t Process::getPageSize(void) |
| 296 | { |
| 297 | return 1024; |
| 298 | } |
| 299 | |
| 300 | #endif |
| 301 | |
| 302 | bool Process::setUser(const char *id, bool grp) |
| 303 | { |
| 304 | struct passwd *pw = NULL; |
| 305 | #ifdef HAVE_GETPWNAM_R |
| 306 | struct passwd pwd; |
| 307 | char buffer[1024]; |
| 308 | |
| 309 | ::getpwnam_r(id, &pwd, buffer, 1024, &pw); |
| 310 | #else |
| 311 | pw = ::getpwnam(id); |
| 312 | #endif |
| 313 | if(!pw) |
| 314 | return false; |
| 315 | |
| 316 | if(grp) |
| 317 | if(setgid(pw->pw_gid)) |
| 318 | return false; |
| 319 | |
| 320 | if(setuid(pw->pw_uid)) |
| 321 | return false; |
| 322 | |
| 323 | lookup(); |
| 324 | return true; |
| 325 | } |
| 326 | |
| 327 | bool Process::setGroup(const char *id) |
| 328 | { |
| 329 | struct group *group = NULL; |
| 330 | #ifdef HAVE_GETGRNAM_R |
| 331 | struct group grp; |
| 332 | char buffer[2048]; |
| 333 | |
| 334 | ::getgrnam_r(id, &grp, buffer, 1024, &group); |
| 335 | #else |
| 336 | group = ::getgrnam(id); |
| 337 | #endif |
| 338 | if(!group) { |
| 339 | /* endgrent(); */ |
| 340 | return false; |
| 341 | } |
| 342 | |
| 343 | #ifdef HAVE_SETEGID |
| 344 | setegid(group->gr_gid); |
| 345 | #endif |
| 346 | if(setgid(group->gr_gid)) { |
| 347 | /* endgrent(); */ |
| 348 | return false; |
| 349 | } |
| 350 | |
| 351 | /* endgrent(); */ |
| 352 | return true; |
| 353 | } |
| 354 | |
| 355 | bool Process::cancel(int pid, int sig) |
| 356 | { |
| 357 | if(!sig) |
| 358 | sig = SIGTERM; |
| 359 | |
| 360 | if(pid < 1) |
| 361 | return false; |
| 362 | |
| 363 | if(::kill(pid, sig)) |
| 364 | return false; |
| 365 | |
| 366 | return true; |
| 367 | } |
| 368 | |
| 369 | int Process::join(int pid) |
| 370 | { |
| 371 | int status; |
| 372 | |
| 373 | if(pid < 1) |
| 374 | return -1; |
| 375 | |
| 376 | #ifdef HAVE_WAITPID |
| 377 | waitpid(pid, &status, 0); |
| 378 | #else |
| 379 | #ifdef HAVE_WAIT4 |
| 380 | wait4(pid, &status, 0, NULL); |
| 381 | #else |
| 382 | int result; |
| 383 | while((result = wait(&status)) != pid && result != -1) |
| 384 | ; |
| 385 | #endif |
| 386 | #endif |
| 387 | |
| 388 | if(WIFEXITED(status)) |
| 389 | return WEXITSTATUS(status); |
| 390 | else if(WIFSIGNALLED(status)) |
| 391 | return -WTERMSIG(status); |
| 392 | else |
| 393 | return -1; |
| 394 | } |
| 395 | |
| 396 | int Process::spawn(const char *exename, const char **args, bool wait) |
| 397 | { |
| 398 | int pid; |
| 399 | |
| 400 | pid = vfork(); |
| 401 | if(pid == -1) |
| 402 | return -1; |
| 403 | |
| 404 | if(!pid) { |
| 405 | execvp((char *)exename, (char **)args); |
| 406 | _exit(-1); |
| 407 | } |
| 408 | |
| 409 | if(!wait) |
| 410 | return pid; |
| 411 | |
| 412 | return join(pid); |
| 413 | } |
| 414 | |
| 415 | Process::Trap Process::setInterruptSignal(int signo, Trap func) |
| 416 | { |
| 417 | struct sigaction sig_act, old_act; |
| 418 | |
| 419 | memset(&sig_act, 0, sizeof(sig_act)); |
| 420 | sig_act.sa_handler = func; |
| 421 | sigemptyset(&sig_act.sa_mask); |
| 422 | if(signo != SIGALRM) |
| 423 | sigaddset(&sig_act.sa_mask, SIGALRM); |
| 424 | |
| 425 | sig_act.sa_flags = 0; |
| 426 | #ifdef SA_INTERRUPT |
| 427 | sig_act.sa_flags |= SA_INTERRUPT; |
| 428 | #endif |
| 429 | if(sigaction(signo, &sig_act, &old_act) < 0) |
| 430 | return SIG_ERR; |
| 431 | |
| 432 | return old_act.sa_handler; |
| 433 | } |
| 434 | |
| 435 | Process::Trap Process::setPosixSignal(int signo, Trap func) |
| 436 | { |
| 437 | struct sigaction sig_act, old_act; |
| 438 | |
| 439 | memset(&sig_act, 0, sizeof(sig_act)); |
| 440 | sig_act.sa_handler = func; |
| 441 | sigemptyset(&sig_act.sa_mask); |
| 442 | sig_act.sa_flags = 0; |
| 443 | if(signo == SIGALRM) { |
| 444 | #ifdef SA_INTERRUPT |
| 445 | sig_act.sa_flags |= SA_INTERRUPT; |
| 446 | #endif |
| 447 | } |
| 448 | else { |
| 449 | sigaddset(&sig_act.sa_mask, SIGALRM); |
| 450 | #ifdef SA_RESTART |
| 451 | sig_act.sa_flags |= SA_RESTART; |
| 452 | #endif |
| 453 | } |
| 454 | if(sigaction(signo, &sig_act, &old_act) < 0) |
| 455 | return SIG_ERR; |
| 456 | return old_act.sa_handler; |
| 457 | } |
| 458 | |
| 459 | void Process::detach(void) |
| 460 | { |
| 461 | attach("/dev/null"); |
| 462 | } |
| 463 | |
| 464 | void Process::attach(const char *dev) |
| 465 | { |
| 466 | int pid; |
| 467 | int fd; |
| 468 | |
| 469 | if(getppid() == 1) |
| 470 | return; |
| 471 | |
| 472 | ::close(0); |
| 473 | ::close(1); |
| 474 | ::close(2); |
| 475 | |
| 476 | #ifdef SIGTTOU |
| 477 | setPosixSignal(SIGTTOU, SIG_IGN); |
| 478 | #endif |
| 479 | |
| 480 | #ifdef SIGTTIN |
| 481 | setPosixSignal(SIGTTIN, SIG_IGN); |
| 482 | #endif |
| 483 | |
| 484 | #ifdef SIGTSTP |
| 485 | setPosixSignal(SIGTSTP, SIG_IGN); |
| 486 | #endif |
| 487 | |
| 488 | if((pid = fork()) < 0) |
| 489 | THROW(pid); |
| 490 | else if(pid > 0) |
| 491 | exit(0); |
| 492 | |
| 493 | |
| 494 | #if defined(SIGTSTP) && defined(TIOCNOTTY) |
| 495 | if(setpgid(0, getpid()) == -1) |
| 496 | THROW(-1); |
| 497 | |
| 498 | if((fd = open(_PATH_TTY, O_RDWR)) >= 0) { |
| 499 | ioctl(fd, TIOCNOTTY, NULL); |
| 500 | close(fd); |
| 501 | } |
| 502 | #else |
| 503 | |
| 504 | #ifdef HAVE_SETPGRP |
| 505 | if(setpgrp() == -1) |
| 506 | THROW(-1); |
| 507 | #else |
| 508 | if(setpgid(0, getpid()) == -1) |
| 509 | THROW(-1); |
| 510 | #endif |
| 511 | |
| 512 | setPosixSignal(SIGHUP, SIG_IGN); |
| 513 | |
| 514 | if((pid = fork()) < 0) |
| 515 | THROW(-1); |
| 516 | else if(pid > 0) |
| 517 | exit(0); |
| 518 | #endif |
| 519 | |
| 520 | if(dev && *dev) { |
| 521 | ::open(dev, O_RDWR); |
| 522 | ::open(dev, O_RDWR); |
| 523 | ::open(dev, O_RDWR); |
| 524 | } |
| 525 | } |
| 526 | |
| 527 | void Process::setScheduler(const char *pol) |
| 528 | { |
| 529 | #ifdef _POSIX_PRIORITY_SCHEDULING |
| 530 | struct sched_param p; |
| 531 | int policy; |
| 532 | |
| 533 | sched_getparam(0, &p); |
| 534 | |
| 535 | if(pol) { |
| 536 | #if defined(SCHED_TS) |
| 537 | policy = SCHED_TS; |
| 538 | #elif defined(SCHED_OTHER) |
| 539 | policy = SCHED_OTHER; |
| 540 | #else |
| 541 | policy = 0; |
| 542 | #endif |
| 543 | |
| 544 | #ifdef SCHED_RR |
| 545 | if(!stricmp(pol, "rr")) |
| 546 | policy = SCHED_RR; |
| 547 | #endif |
| 548 | #if !defined(SCHED_RR) && defined(SCHED_FIFO) |
| 549 | if(!stricmp(pol, "rr")) |
| 550 | policy = SCHED_FIFO; |
| 551 | #endif |
| 552 | #ifdef SCHED_FIFO |
| 553 | if(!stricmp(pol, "fifo")) { |
| 554 | rtflag = true; |
| 555 | policy = SCHED_FIFO; |
| 556 | } |
| 557 | #endif |
| 558 | #ifdef SCHED_TS |
| 559 | if(!stricmp(pol, "ts")) |
| 560 | policy = SCHED_TS; |
| 561 | #endif |
| 562 | #ifdef SCHED_OTHER |
| 563 | if(!stricmp(pol, "other")) |
| 564 | policy = SCHED_OTHER; |
| 565 | #endif |
| 566 | } |
| 567 | else |
| 568 | policy = sched_getscheduler(0); |
| 569 | |
| 570 | int min = sched_get_priority_min(policy); |
| 571 | int max = sched_get_priority_max(policy); |
| 572 | |
| 573 | if(p.sched_priority < min) |
| 574 | p.sched_priority = min; |
| 575 | else if(p.sched_priority > max) |
| 576 | p.sched_priority = max; |
| 577 | |
| 578 | sched_setscheduler(0, policy, &p); |
| 579 | #endif |
| 580 | } |
| 581 | |
| 582 | |
| 583 | void Process::setPriority(int pri) |
| 584 | { |
| 585 | #ifdef _POSIX_PRIORITY_SCHEDULING |
| 586 | struct sched_param p; |
| 587 | int policy = sched_getscheduler(0); |
| 588 | int min = sched_get_priority_min(policy); |
| 589 | int max = sched_get_priority_max(policy); |
| 590 | |
| 591 | sched_getparam(0, &p); |
| 592 | |
| 593 | if(pri < min) |
| 594 | pri = min; |
| 595 | if(pri > max) |
| 596 | pri = max; |
| 597 | p.sched_priority = pri; |
| 598 | sched_setparam(0, &p); |
| 599 | #else |
| 600 | if(pri < -20) |
| 601 | pri = -20; |
| 602 | if(pri > 20) |
| 603 | pri = 20; |
| 604 | nice(-pri); |
| 605 | #endif |
| 606 | } |
| 607 | |
| 608 | bool Process::isScheduler(void) |
| 609 | { |
| 610 | #ifdef _POSIX_PRIORITY_SCHEDULING |
| 611 | return true; |
| 612 | #else |
| 613 | return false; |
| 614 | #endif |
| 615 | } |
| 616 | |
| 617 | void Process::setRealtime(int pri) |
| 618 | { |
| 619 | if(pri < 1) |
| 620 | pri = 1; |
| 621 | |
| 622 | setScheduler("rr"); |
| 623 | setPriority(pri); |
| 624 | } |
| 625 | |
| 626 | #endif // not win32 |
| 627 | |
| 628 | #ifdef _OSF_SOURCE |
| 629 | #undef HAVE_SETENV |
| 630 | #endif |
| 631 | |
| 632 | void Process::setEnv(const char *name, const char *value, bool overwrite) |
| 633 | { |
| 634 | #ifdef HAVE_SETENV |
| 635 | ::setenv(name, value, (int)overwrite); |
| 636 | #else |
| 637 | char strbuf[256]; |
| 638 | |
| 639 | snprintf(strbuf, sizeof(strbuf), "%s=%s", name, value); |
| 640 | if(!overwrite) |
| 641 | if(getenv(strbuf)) |
| 642 | return; |
| 643 | |
| 644 | ::putenv(strdup(strbuf)); |
| 645 | #endif |
| 646 | } |
| 647 | |
| 648 | const char *Process::getEnv(const char *name) |
| 649 | { |
| 650 | return ::getenv(name); |
| 651 | } |
| 652 | |
| 653 | #if defined(HAVE_MLOCKALL) && defined(MCL_FUTURE) |
| 654 | |
| 655 | #include <sys/mman.h> |
| 656 | |
| 657 | bool Process::lock(bool future) |
| 658 | { |
| 659 | int rc; |
| 660 | |
| 661 | if(future) |
| 662 | rc = mlockall(MCL_CURRENT | MCL_FUTURE); |
| 663 | else |
| 664 | rc = mlockall(MCL_CURRENT); |
| 665 | if(rc) |
| 666 | return false; |
| 667 | |
| 668 | return true; |
| 669 | } |
| 670 | |
| 671 | void Process::unlock(void) |
| 672 | { |
| 673 | munlockall(); |
| 674 | } |
| 675 | #else |
| 676 | |
| 677 | bool Process::lock(bool future) |
| 678 | { |
| 679 | return false; |
| 680 | } |
| 681 | |
| 682 | void Process::unlock(void) |
| 683 | { |
| 684 | } |
| 685 | |
| 686 | #endif |
| 687 | |
| 688 | #ifdef CCXX_NAMESPACES |
| 689 | } |
| 690 | #endif |
| 691 | |
| 692 | /** EMACS ** |
| 693 | * Local variables: |
| 694 | * mode: c++ |
| 695 | * c-basic-offset: 4 |
| 696 | * End: |
| 697 | */ |