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30a4f2a8 | 1 | /* |
262a0e14 | 2 | * $Id$ |
30a4f2a8 | 3 | * |
b510f3a1 | 4 | * DEBUG: section 01 Startup and Main Loop |
30a4f2a8 | 5 | * AUTHOR: Harvest Derived |
6 | * | |
2b6662ba | 7 | * SQUID Web Proxy Cache http://www.squid-cache.org/ |
e25c139f | 8 | * ---------------------------------------------------------- |
30a4f2a8 | 9 | * |
2b6662ba | 10 | * Squid is the result of efforts by numerous individuals from |
11 | * the Internet community; see the CONTRIBUTORS file for full | |
12 | * details. Many organizations have provided support for Squid's | |
13 | * development; see the SPONSORS file for full details. Squid is | |
14 | * Copyrighted (C) 2001 by the Regents of the University of | |
15 | * California; see the COPYRIGHT file for full details. Squid | |
16 | * incorporates software developed and/or copyrighted by other | |
17 | * sources; see the CREDITS file for full details. | |
30a4f2a8 | 18 | * |
19 | * This program is free software; you can redistribute it and/or modify | |
20 | * it under the terms of the GNU General Public License as published by | |
21 | * the Free Software Foundation; either version 2 of the License, or | |
22 | * (at your option) any later version. | |
26ac0430 | 23 | * |
30a4f2a8 | 24 | * This program is distributed in the hope that it will be useful, |
25 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
26 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
27 | * GNU General Public License for more details. | |
26ac0430 | 28 | * |
30a4f2a8 | 29 | * You should have received a copy of the GNU General Public License |
30 | * along with this program; if not, write to the Free Software | |
cbdec147 | 31 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA. |
e25c139f | 32 | * |
30a4f2a8 | 33 | */ |
44a47c6e | 34 | |
582c2af2 | 35 | #include "squid.h" |
450e0c10 | 36 | #include "AccessLogEntry.h" |
582c2af2 FC |
37 | #include "acl/Acl.h" |
38 | #include "acl/Asn.h" | |
6d57128b | 39 | #include "base/RunnersRegistry.h" |
e0d28505 | 40 | #include "base/Subscription.h" |
3d93a84d | 41 | #include "base/TextException.h" |
d841c88d | 42 | #include "comm.h" |
62ee09ca | 43 | #include "ConfigParser.h" |
96c2bb61 | 44 | #include "CpuAffinity.h" |
582c2af2 | 45 | #include "DiskIO/DiskIOModule.h" |
aa839030 | 46 | #include "errorpage.h" |
a553a5a3 | 47 | #include "event.h" |
48 | #include "EventLoop.h" | |
62ee09ca | 49 | #include "ExternalACL.h" |
31971e6a | 50 | #include "format/Token.h" |
582c2af2 | 51 | #include "forward.h" |
1b76e6c1 | 52 | #include "fs/Module.h" |
582c2af2 FC |
53 | #include "fs/Module.h" |
54 | #include "htcp.h" | |
55 | #include "HttpReply.h" | |
56 | #include "icmp/IcmpSquid.h" | |
57 | #include "icmp/net_db.h" | |
e6ccf245 | 58 | #include "ICP.h" |
4daaf3cb | 59 | #include "ident/Ident.h" |
10cefb7b | 60 | #include "ipc/Coordinator.h" |
582c2af2 | 61 | #include "ipc/Kids.h" |
10cefb7b | 62 | #include "ipc/Strand.h" |
055421ee | 63 | #include "ip/tools.h" |
582c2af2 FC |
64 | #include "Mem.h" |
65 | #include "MemPool.h" | |
66 | #include "pconn.h" | |
67 | #include "PeerSelectState.h" | |
68 | #include "profiler/Profiler.h" | |
69 | #include "protos.h" | |
70 | #include "SquidDns.h" | |
985c86bc | 71 | #include "SquidTime.h" |
e4f1fdae | 72 | #include "StatCounters.h" |
582c2af2 FC |
73 | #include "StoreFileSystem.h" |
74 | #include "Store.h" | |
c8f4eac4 | 75 | #include "SwapDir.h" |
44a47c6e | 76 | |
582c2af2 FC |
77 | #if USE_ADAPTATION |
78 | #include "adaptation/Config.h" | |
79 | #endif | |
80 | #if USE_ECAP | |
81 | #include "adaptation/ecap/Config.h" | |
82 | #endif | |
83 | #if ICAP_CLIENT | |
84 | #include "adaptation/icap/Config.h" | |
85 | #include "adaptation/icap/icap_log.h" | |
86 | #endif | |
87 | #if USE_AUTH | |
88 | #include "auth/Gadgets.h" | |
89 | #endif | |
90 | #if USE_DELAY_POOLS | |
91 | #include "ClientDelayConfig.h" | |
92 | #endif | |
93 | #if USE_DELAY_POOLS | |
94 | #include "DelayPools.h" | |
95 | #endif | |
57afc994 AR |
96 | #if USE_LOADABLE_MODULES |
97 | #include "LoadableModules.h" | |
98 | #endif | |
95d2589c CT |
99 | #if USE_SSL_CRTD |
100 | #include "ssl/helper.h" | |
101 | #include "ssl/certificate_db.h" | |
102 | #endif | |
95d2589c CT |
103 | #if USE_SSL |
104 | #include "ssl/context_storage.h" | |
105 | #endif | |
b958cb0f | 106 | #if ICAP_CLIENT |
26cc52cb | 107 | #include "adaptation/icap/Config.h" |
b958cb0f | 108 | #endif |
6e5db507 | 109 | #if USE_ECAP |
1f3c65fc | 110 | #include "adaptation/ecap/Config.h" |
6e5db507 | 111 | #endif |
b958cb0f AR |
112 | #if USE_ADAPTATION |
113 | #include "adaptation/Config.h" | |
114 | #endif | |
79039294 AR |
115 | #if USE_SQUID_ESI |
116 | #include "esi/Module.h" | |
117 | #endif | |
7b5b7ba8 | 118 | |
25f98340 AJ |
119 | #if HAVE_PATHS_H |
120 | #include <paths.h> | |
121 | #endif | |
582c2af2 FC |
122 | #if HAVE_SYS_WAIT_H |
123 | #include <sys/wait.h> | |
124 | #endif | |
1a774556 | 125 | |
25f98340 | 126 | #if USE_WIN32_SERVICE |
1a774556 | 127 | #include "squid_windows.h" |
128 | #include <process.h> | |
129 | ||
130 | static int opt_install_service = FALSE; | |
131 | static int opt_remove_service = FALSE; | |
132 | static int opt_signal_service = FALSE; | |
133 | static int opt_command_line = FALSE; | |
134 | extern void WIN32_svcstatusupdate(DWORD, DWORD); | |
135 | void WINAPI WIN32_svcHandler(DWORD); | |
136 | ||
137 | #endif | |
138 | ||
1191b93b | 139 | #if !defined(SQUID_BUILD_INFO) |
4fe75473 FC |
140 | #define SQUID_BUILD_INFO "" |
141 | #endif | |
142 | ||
5e6d4736 | 143 | static char *opt_syslog_facility = NULL; |
30a4f2a8 | 144 | static int icpPortNumOverride = 1; /* Want to detect "-u 0" */ |
e13ee7ad | 145 | static int configured_once = 0; |
30a4f2a8 | 146 | #if MALLOC_DBG |
4d64d74a | 147 | static int malloc_debug_level = 0; |
30a4f2a8 | 148 | #endif |
5cd39a10 | 149 | static volatile int do_reconfigure = 0; |
150 | static volatile int do_rotate = 0; | |
2681d383 | 151 | static volatile int do_shutdown = 0; |
ae1feb30 | 152 | static volatile int shutdown_status = 0; |
4d7add01 | 153 | |
a2c48c98 AR |
154 | static int RotateSignal = -1; |
155 | static int ReconfigureSignal = -1; | |
156 | static int ShutdownSignal = -1; | |
157 | ||
5cd39a10 | 158 | static void mainRotate(void); |
d71e4674 AR |
159 | static void mainReconfigureStart(void); |
160 | static void mainReconfigureFinish(void*); | |
f5b8bbc4 | 161 | static void mainInitialize(void); |
f5b8bbc4 | 162 | static void usage(void); |
63be0a78 | 163 | static void mainParseOptions(int argc, char *argv[]); |
f5b8bbc4 | 164 | static void sendSignal(void); |
165 | static void serverConnectionsOpen(void); | |
d71e4674 | 166 | static void serverConnectionsClose(void); |
bbe199dc | 167 | static void watch_child(char **); |
85407535 | 168 | static void setEffectiveUser(void); |
36a97e19 | 169 | #if MEM_GEN_TRACE |
170 | extern void log_trace_done(); | |
171 | extern void log_trace_init(char *); | |
172 | #endif | |
8ff3fa2e | 173 | static void SquidShutdown(void); |
b6a2f15e | 174 | static void mainSetCwd(void); |
efd900cb | 175 | static int checkRunningPid(void); |
85407535 | 176 | |
1191b93b | 177 | #if !_SQUID_MSWIN_ |
e18d7fdc | 178 | static const char *squid_start_script = "squid_start"; |
b293c4d8 | 179 | #endif |
e18d7fdc | 180 | |
9bc73deb | 181 | #if TEST_ACCESS |
182 | #include "test_access.c" | |
183 | #endif | |
184 | ||
63be0a78 | 185 | /** temporary thunk across to the unrefactored store interface */ |
8ff3fa2e | 186 | |
187 | class StoreRootEngine : public AsyncEngine | |
188 | { | |
189 | ||
190 | public: | |
26ac0430 | 191 | int checkEvents(int timeout) { |
8ff3fa2e | 192 | Store::Root().callback(); |
193 | return EVENT_IDLE; | |
194 | }; | |
195 | }; | |
196 | ||
9688b0ae | 197 | class SignalEngine: public AsyncEngine |
a553a5a3 | 198 | { |
199 | ||
200 | public: | |
e053c141 | 201 | SignalEngine(EventLoop &evtLoop) : loop(evtLoop) {} |
9688b0ae | 202 | virtual int checkEvents(int timeout); |
a553a5a3 | 203 | |
204 | private: | |
26ac0430 | 205 | static void StopEventLoop(void * data) { |
9688b0ae | 206 | static_cast<SignalEngine *>(data)->loop.stop(); |
a553a5a3 | 207 | } |
208 | ||
9688b0ae | 209 | void doShutdown(time_t wait); |
210 | ||
a553a5a3 | 211 | EventLoop &loop; |
212 | }; | |
213 | ||
9688b0ae | 214 | int |
215 | SignalEngine::checkEvents(int timeout) | |
a553a5a3 | 216 | { |
9688b0ae | 217 | PROF_start(SignalEngine_checkEvents); |
fc68f6b1 | 218 | |
a553a5a3 | 219 | if (do_reconfigure) { |
d71e4674 | 220 | mainReconfigureStart(); |
a553a5a3 | 221 | do_reconfigure = 0; |
a553a5a3 | 222 | } else if (do_rotate) { |
223 | mainRotate(); | |
224 | do_rotate = 0; | |
225 | } else if (do_shutdown) { | |
9688b0ae | 226 | doShutdown(do_shutdown > 0 ? (int) Config.shutdownLifetime : 0); |
a553a5a3 | 227 | do_shutdown = 0; |
26ac0430 | 228 | } |
a2c48c98 AR |
229 | BroadcastSignalIfAny(DebugSignal); |
230 | BroadcastSignalIfAny(RotateSignal); | |
231 | BroadcastSignalIfAny(ReconfigureSignal); | |
232 | BroadcastSignalIfAny(ShutdownSignal); | |
a553a5a3 | 233 | |
9688b0ae | 234 | PROF_stop(SignalEngine_checkEvents); |
235 | return EVENT_IDLE; | |
236 | } | |
a553a5a3 | 237 | |
9688b0ae | 238 | void |
239 | SignalEngine::doShutdown(time_t wait) | |
240 | { | |
e0236918 FC |
241 | debugs(1, DBG_IMPORTANT, "Preparing for shutdown after " << statCounter.client_http.requests << " requests"); |
242 | debugs(1, DBG_IMPORTANT, "Waiting " << wait << " seconds for active connections to finish"); | |
8ff3fa2e | 243 | |
9688b0ae | 244 | shutting_down = 1; |
245 | ||
246 | #if USE_WIN32_SERVICE | |
247 | WIN32_svcstatusupdate(SERVICE_STOP_PENDING, (wait + 1) * 1000); | |
248 | #endif | |
249 | ||
0bcb6908 | 250 | /* run the closure code which can be shared with reconfigure */ |
9688b0ae | 251 | serverConnectionsClose(); |
2f1431ea | 252 | #if USE_AUTH |
0bcb6908 | 253 | /* detach the auth components (only do this on full shutdown) */ |
c6cf8dee | 254 | Auth::Scheme::FreeAll(); |
2f1431ea | 255 | #endif |
9688b0ae | 256 | eventAdd("SquidShutdown", &StopEventLoop, this, (double) (wait + 1), 1, false); |
a553a5a3 | 257 | } |
258 | ||
b8d8561b | 259 | static void |
0673c0ba | 260 | usage(void) |
ccff9601 | 261 | { |
0ee4272b | 262 | fprintf(stderr, |
0e657244 | 263 | #if USE_WIN32_SERVICE |
8eb28163 | 264 | "Usage: %s [-cdhirvzCFNRVYX] [-s | -l facility] [-f config-file] [-[au] port] [-k signal] [-n name] [-O CommandLine]\n" |
0e657244 | 265 | #else |
8eb28163 | 266 | "Usage: %s [-cdhvzCFNRVYX] [-s | -l facility] [-f config-file] [-[au] port] [-k signal]\n" |
0e657244 | 267 | #endif |
62e76326 | 268 | " -a port Specify HTTP port number (default: %d).\n" |
269 | " -d level Write debugging to stderr also.\n" | |
270 | " -f file Use given config-file instead of\n" | |
271 | " %s\n" | |
272 | " -h Print help message.\n" | |
0e657244 | 273 | #if USE_WIN32_SERVICE |
274 | " -i Installs as a Windows Service (see -n option).\n" | |
275 | #endif | |
62e76326 | 276 | " -k reconfigure|rotate|shutdown|interrupt|kill|debug|check|parse\n" |
277 | " Parse configuration file, then send signal to \n" | |
278 | " running copy (except -k parse) and exit.\n" | |
0e657244 | 279 | #if USE_WIN32_SERVICE |
280 | " -n name Specify Windows Service name to use for service operations\n" | |
281 | " default is: " _WIN_SQUID_DEFAULT_SERVICE_NAME ".\n" | |
282 | " -r Removes a Windows Service (see -n option).\n" | |
283 | #endif | |
5e6d4736 | 284 | " -s | -l facility\n" |
285 | " Enable logging to syslog.\n" | |
62e76326 | 286 | " -u port Specify ICP port number (default: %d), disable with 0.\n" |
287 | " -v Print version.\n" | |
288 | " -z Create swap directories\n" | |
289 | " -C Do not catch fatal signals.\n" | |
8eb28163 | 290 | " -D OBSOLETE. Scheduled for removal.\n" |
62e76326 | 291 | " -F Don't serve any requests until store is rebuilt.\n" |
292 | " -N No daemon mode.\n" | |
0e657244 | 293 | #if USE_WIN32_SERVICE |
294 | " -O options\n" | |
295 | " Set Windows Service Command line options in Registry.\n" | |
296 | #endif | |
62e76326 | 297 | " -R Do not set REUSEADDR on port.\n" |
298 | " -S Double-check swap during rebuild.\n" | |
62e76326 | 299 | " -X Force full debugging.\n" |
300 | " -Y Only return UDP_HIT or UDP_MISS_NOFETCH during fast reload.\n", | |
7dbca7a4 | 301 | APP_SHORTNAME, CACHE_HTTP_PORT, DefaultConfigFile, CACHE_ICP_PORT); |
77ffc99f | 302 | exit(1); |
ccff9601 | 303 | } |
304 | ||
63be0a78 | 305 | /** |
306 | * Parse the parameters received via command line interface. | |
307 | * | |
d85b8894 AJ |
308 | \param argc Number of options received on command line |
309 | \param argv List of parameters received on command line | |
63be0a78 | 310 | */ |
b8d8561b | 311 | static void |
312 | mainParseOptions(int argc, char *argv[]) | |
090089c4 | 313 | { |
090089c4 | 314 | extern char *optarg; |
4d64d74a | 315 | int c; |
090089c4 | 316 | |
0e657244 | 317 | #if USE_WIN32_SERVICE |
5e6d4736 | 318 | while ((c = getopt(argc, argv, "CDFNO:RSVYXa:d:f:hik:m::n:rsl:u:vz?")) != -1) |
0e657244 | 319 | #else |
05f1c52c | 320 | while ((c = getopt(argc, argv, "CDFNRSYXa:d:f:hk:m::sl:u:vz?")) != -1) |
0e657244 | 321 | #endif |
9b7292ce | 322 | { |
323 | ||
26ac0430 | 324 | switch (c) { |
62e76326 | 325 | |
326 | case 'C': | |
63be0a78 | 327 | /** \par C |
328 | * Unset/disabel global option for catchign signals. opt_catch_signals */ | |
62e76326 | 329 | opt_catch_signals = 0; |
330 | break; | |
331 | ||
332 | case 'D': | |
63be0a78 | 333 | /** \par D |
8eb28163 AJ |
334 | * OBSOLETE: WAS: override to prevent optional startup DNS tests. */ |
335 | debugs(1,DBG_CRITICAL, "WARNING: -D command-line option is obsolete."); | |
62e76326 | 336 | break; |
337 | ||
338 | case 'F': | |
63be0a78 | 339 | /** \par F |
340 | * Set global option for foreground rebuild. opt_foreground_rebuild */ | |
62e76326 | 341 | opt_foreground_rebuild = 1; |
342 | break; | |
343 | ||
344 | case 'N': | |
63be0a78 | 345 | /** \par N |
346 | * Set global option for 'no_daemon' mode. opt_no_daemon */ | |
62e76326 | 347 | opt_no_daemon = 1; |
348 | break; | |
63be0a78 | 349 | |
0e657244 | 350 | #if USE_WIN32_SERVICE |
351 | ||
352 | case 'O': | |
63be0a78 | 353 | /** \par O |
354 | * Set global option. opt_command_lin and WIN32_Command_Line */ | |
0e657244 | 355 | opt_command_line = 1; |
356 | WIN32_Command_Line = xstrdup(optarg); | |
357 | break; | |
358 | #endif | |
62e76326 | 359 | |
360 | case 'R': | |
63be0a78 | 361 | /** \par R |
362 | * Unset/disable global option opt_reuseaddr */ | |
62e76326 | 363 | opt_reuseaddr = 0; |
364 | break; | |
365 | ||
366 | case 'S': | |
63be0a78 | 367 | /** \par S |
368 | * Set global option opt_store_doublecheck */ | |
62e76326 | 369 | opt_store_doublecheck = 1; |
370 | break; | |
371 | ||
62e76326 | 372 | case 'X': |
63be0a78 | 373 | /** \par X |
374 | * Force full debugging */ | |
62493678 AJ |
375 | Debug::parseOptions("rotate=0 ALL,9"); |
376 | Debug::override_X = 1; | |
62e76326 | 377 | sigusr2_handle(SIGUSR2); |
62e76326 | 378 | break; |
379 | ||
380 | case 'Y': | |
63be0a78 | 381 | /** \par Y |
382 | * Set global option opt_reload_hit_only */ | |
62e76326 | 383 | opt_reload_hit_only = 1; |
62e76326 | 384 | break; |
385 | ||
0e657244 | 386 | #if USE_WIN32_SERVICE |
387 | ||
388 | case 'i': | |
63be0a78 | 389 | /** \par i |
390 | * Set global option opt_install_service (to TRUE) */ | |
0e657244 | 391 | opt_install_service = TRUE; |
0e657244 | 392 | break; |
0e657244 | 393 | #endif |
394 | ||
62e76326 | 395 | case 'a': |
63be0a78 | 396 | /** \par a |
397 | * Add optional HTTP port as given following the option */ | |
62e76326 | 398 | add_http_port(optarg); |
62e76326 | 399 | break; |
400 | ||
401 | case 'd': | |
63be0a78 | 402 | /** \par d |
62493678 AJ |
403 | * Set global option Debug::log_stderr to the number given follwoign the option */ |
404 | Debug::log_stderr = atoi(optarg); | |
62e76326 | 405 | break; |
406 | ||
407 | case 'f': | |
63be0a78 | 408 | /** \par f |
409 | * Load the file given instead of the default squid.conf. */ | |
62e76326 | 410 | xfree(ConfigFile); |
62e76326 | 411 | ConfigFile = xstrdup(optarg); |
62e76326 | 412 | break; |
413 | ||
414 | case 'k': | |
63be0a78 | 415 | /** \par k |
416 | * Run the administrative action given following the option */ | |
fc68f6b1 | 417 | |
63be0a78 | 418 | /** \li When its an unknown option display the usage help. */ |
62e76326 | 419 | if ((int) strlen(optarg) < 1) |
420 | usage(); | |
421 | ||
422 | if (!strncmp(optarg, "reconfigure", strlen(optarg))) | |
63be0a78 | 423 | /** \li On reconfigure send SIGHUP. */ |
62e76326 | 424 | opt_send_signal = SIGHUP; |
425 | else if (!strncmp(optarg, "rotate", strlen(optarg))) | |
63be0a78 | 426 | /** \li On rotate send SIGQUIT or SIGUSR1. */ |
605f2c3e | 427 | #if defined(_SQUID_LINUX_THREADS_) |
62e76326 | 428 | opt_send_signal = SIGQUIT; |
e3175d1f | 429 | #else |
62e76326 | 430 | opt_send_signal = SIGUSR1; |
e3175d1f | 431 | #endif |
62e76326 | 432 | |
433 | else if (!strncmp(optarg, "debug", strlen(optarg))) | |
63be0a78 | 434 | /** \li On debug send SIGTRAP or SIGUSR2. */ |
605f2c3e | 435 | #if defined(_SQUID_LINUX_THREADS_) |
62e76326 | 436 | opt_send_signal = SIGTRAP; |
e3175d1f | 437 | #else |
62e76326 | 438 | opt_send_signal = SIGUSR2; |
62e76326 | 439 | #endif |
440 | ||
441 | else if (!strncmp(optarg, "shutdown", strlen(optarg))) | |
63be0a78 | 442 | /** \li On shutdown send SIGTERM. */ |
62e76326 | 443 | opt_send_signal = SIGTERM; |
444 | else if (!strncmp(optarg, "interrupt", strlen(optarg))) | |
63be0a78 | 445 | /** \li On interrupt send SIGINT. */ |
62e76326 | 446 | opt_send_signal = SIGINT; |
447 | else if (!strncmp(optarg, "kill", strlen(optarg))) | |
63be0a78 | 448 | /** \li On kill send SIGKILL. */ |
62e76326 | 449 | opt_send_signal = SIGKILL; |
ae1feb30 | 450 | |
451 | #ifdef SIGTTIN | |
452 | ||
453 | else if (!strncmp(optarg, "restart", strlen(optarg))) | |
63be0a78 | 454 | /** \li On restart send SIGTTIN. (exit and restart by parent) */ |
455 | opt_send_signal = SIGTTIN; | |
ae1feb30 | 456 | |
457 | #endif | |
458 | ||
62e76326 | 459 | else if (!strncmp(optarg, "check", strlen(optarg))) |
63be0a78 | 460 | /** \li On check send 0 / SIGNULL. */ |
62e76326 | 461 | opt_send_signal = 0; /* SIGNULL */ |
462 | else if (!strncmp(optarg, "parse", strlen(optarg))) | |
63be0a78 | 463 | /** \li On parse set global flag to re-parse the config file only. */ |
464 | opt_parse_cfg_only = 1; | |
62e76326 | 465 | else |
466 | usage(); | |
467 | ||
468 | break; | |
469 | ||
470 | case 'm': | |
63be0a78 | 471 | /** \par m |
472 | * Set global malloc_debug_level to the value given following the option. | |
473 | * if none is given it toggles the xmalloc_trace option on/off */ | |
62e76326 | 474 | if (optarg) { |
30a4f2a8 | 475 | #if MALLOC_DBG |
fc68f6b1 | 476 | malloc_debug_level = atoi(optarg); |
30a4f2a8 | 477 | #else |
fc68f6b1 | 478 | fatal("Need to add -DMALLOC_DBG when compiling to use -mX option"); |
33ab18e8 | 479 | #endif |
62e76326 | 480 | |
481 | } else { | |
33ab18e8 | 482 | #if XMALLOC_TRACE |
62e76326 | 483 | xmalloc_trace = !xmalloc_trace; |
33ab18e8 | 484 | #else |
62e76326 | 485 | fatal("Need to configure --enable-xmalloc-debug-trace to use -m option"); |
30a4f2a8 | 486 | #endif |
62e76326 | 487 | } |
d9e7ee1f | 488 | break; |
d9e7ee1f | 489 | |
0e657244 | 490 | #if USE_WIN32_SERVICE |
491 | ||
492 | case 'n': | |
63be0a78 | 493 | /** \par n |
494 | * Set global option opt_signal_service (to TRUE). | |
495 | * Stores the additional parameter given in global WIN32_Service_name */ | |
0e657244 | 496 | xfree(WIN32_Service_name); |
497 | ||
498 | WIN32_Service_name = xstrdup(optarg); | |
499 | ||
500 | opt_signal_service = TRUE; | |
501 | ||
502 | break; | |
503 | ||
504 | case 'r': | |
63be0a78 | 505 | /** \par r |
506 | * Set global option opt_remove_service (to TRUE) */ | |
0e657244 | 507 | opt_remove_service = TRUE; |
508 | ||
509 | break; | |
510 | ||
511 | #endif | |
512 | ||
5e6d4736 | 513 | case 'l': |
63be0a78 | 514 | /** \par l |
515 | * Stores the syslog facility name in global opt_syslog_facility | |
516 | * then performs actions for -s option. */ | |
5e6d4736 | 517 | opt_syslog_facility = xstrdup(optarg); |
518 | ||
62e76326 | 519 | case 's': |
63be0a78 | 520 | /** \par s |
521 | * Initialize the syslog for output */ | |
c307aec3 | 522 | #if HAVE_SYSLOG |
62e76326 | 523 | |
5e6d4736 | 524 | _db_set_syslog(opt_syslog_facility); |
0e657244 | 525 | |
62e76326 | 526 | break; |
0e657244 | 527 | |
c307aec3 | 528 | #else |
62e76326 | 529 | |
530 | fatal("Logging to syslog not available on this platform"); | |
0e657244 | 531 | |
62e76326 | 532 | /* NOTREACHED */ |
533 | #endif | |
534 | ||
535 | case 'u': | |
63be0a78 | 536 | /** \par u |
537 | * Store the ICP port number given in global option icpPortNumOverride | |
538 | * ensuring its a positive number. */ | |
62e76326 | 539 | icpPortNumOverride = atoi(optarg); |
540 | ||
541 | if (icpPortNumOverride < 0) | |
542 | icpPortNumOverride = 0; | |
543 | ||
544 | break; | |
545 | ||
546 | case 'v': | |
63be0a78 | 547 | /** \par v |
548 | * Display squid version and build information. Then exit. */ | |
4fe75473 FC |
549 | printf("Squid Cache: Version %s\n" ,version_string); |
550 | if (strlen(SQUID_BUILD_INFO)) | |
551 | printf("%s\n",SQUID_BUILD_INFO); | |
552 | printf( "configure options: %s\n", SQUID_CONFIGURE_OPTIONS); | |
62e76326 | 553 | |
1a774556 | 554 | #if USE_WIN32_SERVICE |
555 | ||
556 | printf("Compiled as Windows System Service.\n"); | |
557 | ||
558 | #endif | |
559 | ||
62e76326 | 560 | exit(0); |
561 | ||
562 | /* NOTREACHED */ | |
563 | ||
564 | case 'z': | |
63be0a78 | 565 | /** \par z |
62493678 AJ |
566 | * Set global option Debug::log_stderr and opt_create_swap_dirs */ |
567 | Debug::log_stderr = 1; | |
62e76326 | 568 | opt_create_swap_dirs = 1; |
62e76326 | 569 | break; |
570 | ||
63be0a78 | 571 | case 'h': |
572 | ||
62e76326 | 573 | case '?': |
574 | ||
575 | default: | |
63be0a78 | 576 | /** \par h,?, or unknown |
577 | * \copydoc usage() */ | |
62e76326 | 578 | usage(); |
579 | ||
580 | break; | |
581 | } | |
9b7292ce | 582 | |
090089c4 | 583 | } |
4d64d74a | 584 | } |
090089c4 | 585 | |
7a2f978b | 586 | /* ARGSUSED */ |
b293c4d8 | 587 | void |
9b7292ce | 588 | rotate_logs(int sig) |
589 | { | |
5cd39a10 | 590 | do_rotate = 1; |
a2c48c98 | 591 | RotateSignal = sig; |
1191b93b | 592 | #if !_SQUID_MSWIN_ |
30a4f2a8 | 593 | #if !HAVE_SIGACTION |
62e76326 | 594 | |
30a4f2a8 | 595 | signal(sig, rotate_logs); |
596 | #endif | |
a50bfe93 | 597 | #endif |
30a4f2a8 | 598 | } |
599 | ||
7a2f978b | 600 | /* ARGSUSED */ |
b293c4d8 | 601 | void |
9b7292ce | 602 | reconfigure(int sig) |
603 | { | |
5cd39a10 | 604 | do_reconfigure = 1; |
a2c48c98 | 605 | ReconfigureSignal = sig; |
1191b93b | 606 | #if !_SQUID_MSWIN_ |
30a4f2a8 | 607 | #if !HAVE_SIGACTION |
62e76326 | 608 | |
30a4f2a8 | 609 | signal(sig, reconfigure); |
610 | #endif | |
a50bfe93 | 611 | #endif |
30a4f2a8 | 612 | } |
613 | ||
b8d8561b | 614 | void |
9b7292ce | 615 | shut_down(int sig) |
616 | { | |
2681d383 | 617 | do_shutdown = sig == SIGINT ? -1 : 1; |
a2c48c98 | 618 | ShutdownSignal = sig; |
ae1feb30 | 619 | #ifdef SIGTTIN |
620 | ||
621 | if (SIGTTIN == sig) | |
622 | shutdown_status = 1; | |
623 | ||
624 | #endif | |
ca4b9ee6 DK |
625 | |
626 | const pid_t ppid = getppid(); | |
627 | ||
bd9fe5b4 | 628 | if (!IamMasterProcess() && ppid > 1) { |
ca4b9ee6 DK |
629 | // notify master that we are shutting down |
630 | if (kill(ppid, SIGUSR1) < 0) | |
631 | debugs(1, DBG_IMPORTANT, "Failed to send SIGUSR1 to master process," | |
632 | " pid " << ppid << ": " << xstrerror()); | |
633 | } | |
634 | ||
1191b93b | 635 | #if !_SQUID_MSWIN_ |
a67d2b2e | 636 | #if KILL_PARENT_OPT |
62e76326 | 637 | |
bd9fe5b4 | 638 | if (!IamMasterProcess() && ppid > 1) { |
ca4b9ee6 | 639 | debugs(1, DBG_IMPORTANT, "Killing master process, pid " << ppid); |
62e76326 | 640 | |
ca4b9ee6 DK |
641 | if (kill(ppid, sig) < 0) |
642 | debugs(1, DBG_IMPORTANT, "kill " << ppid << ": " << xstrerror()); | |
88738790 | 643 | } |
62e76326 | 644 | |
0f658b5b | 645 | #endif /* KILL_PARENT_OPT */ |
6e40f263 | 646 | #if SA_RESETHAND == 0 |
647 | signal(SIGTERM, SIG_DFL); | |
62e76326 | 648 | |
6e40f263 | 649 | signal(SIGINT, SIG_DFL); |
62e76326 | 650 | |
a50bfe93 | 651 | #endif |
6e40f263 | 652 | #endif |
30a4f2a8 | 653 | } |
654 | ||
24382924 | 655 | static void |
9b7292ce | 656 | serverConnectionsOpen(void) |
657 | { | |
7de94c8c AR |
658 | if (IamPrimaryProcess()) { |
659 | #if USE_WCCP | |
5667a628 | 660 | wccpConnectionOpen(); |
7de94c8c | 661 | #endif |
45aae82b | 662 | |
7de94c8c AR |
663 | #if USE_WCCPv2 |
664 | ||
5667a628 | 665 | wccp2ConnectionOpen(); |
7de94c8c AR |
666 | #endif |
667 | } | |
095ec2b1 AR |
668 | // start various proxying services if we are responsible for them |
669 | if (IamWorkerProcess()) { | |
5667a628 | 670 | clientOpenListenSockets(); |
65d448bc | 671 | icpOpenPorts(); |
ace287ee | 672 | #if USE_HTCP |
65d448bc | 673 | htcpOpenPorts(); |
ace287ee | 674 | #endif |
a67d2b2e | 675 | #if SQUID_SNMP |
65d448bc | 676 | snmpOpenPorts(); |
320e9f36 | 677 | #endif |
0b0cfcf2 | 678 | |
5667a628 AR |
679 | clientdbInit(); |
680 | icmpEngine.Open(); | |
681 | netdbInit(); | |
682 | asnInit(); | |
683 | ACL::Initialize(); | |
684 | peerSelectInit(); | |
685 | ||
686 | carpInit(); | |
2f1431ea | 687 | #if USE_AUTH |
5667a628 | 688 | peerUserHashInit(); |
2f1431ea | 689 | #endif |
5667a628 | 690 | peerSourceHashInit(); |
7de94c8c | 691 | } |
5f3f8d0e | 692 | } |
693 | ||
d71e4674 | 694 | static void |
9b7292ce | 695 | serverConnectionsClose(void) |
696 | { | |
0a5a8601 | 697 | assert(shutting_down || reconfiguring); |
7de94c8c AR |
698 | |
699 | if (IamPrimaryProcess()) { | |
700 | #if USE_WCCP | |
701 | ||
5667a628 | 702 | wccpConnectionClose(); |
7de94c8c AR |
703 | #endif |
704 | #if USE_WCCPv2 | |
705 | ||
5667a628 | 706 | wccp2ConnectionClose(); |
7de94c8c AR |
707 | #endif |
708 | } | |
095ec2b1 | 709 | if (IamWorkerProcess()) { |
5667a628 AR |
710 | clientHttpConnectionsClose(); |
711 | icpConnectionShutdown(); | |
72549e05 | 712 | #if USE_HTCP |
5667a628 | 713 | htcpSocketShutdown(); |
72549e05 | 714 | #endif |
62e76326 | 715 | |
5667a628 | 716 | icmpEngine.Close(); |
a67d2b2e | 717 | #if SQUID_SNMP |
65d448bc | 718 | snmpClosePorts(); |
320e9f36 | 719 | #endif |
62e76326 | 720 | |
5667a628 | 721 | asnFreeMemory(); |
7de94c8c | 722 | } |
5f3f8d0e | 723 | } |
724 | ||
b8d8561b | 725 | static void |
d71e4674 | 726 | mainReconfigureStart(void) |
9b7292ce | 727 | { |
e0236918 | 728 | debugs(1, DBG_IMPORTANT, "Reconfiguring Squid Cache (version " << version_string << ")..."); |
5cd39a10 | 729 | reconfiguring = 1; |
d71e4674 AR |
730 | |
731 | // Initiate asynchronous closing sequence | |
15df8349 | 732 | serverConnectionsClose(); |
65d448bc | 733 | icpClosePorts(); |
72549e05 | 734 | #if USE_HTCP |
65d448bc | 735 | htcpClosePorts(); |
72549e05 | 736 | #endif |
74addf6c | 737 | dnsShutdown(); |
95d2589c CT |
738 | #if USE_SSL_CRTD |
739 | Ssl::Helper::GetInstance()->Shutdown(); | |
740 | #endif | |
741 | #if USE_SSL | |
742 | Ssl::TheGlobalContextStorage.reconfigureStart(); | |
743 | #endif | |
74addf6c | 744 | redirectShutdown(); |
2f1431ea | 745 | #if USE_AUTH |
0bcb6908 | 746 | authenticateReset(); |
2f1431ea | 747 | #endif |
d9572179 | 748 | externalAclShutdown(); |
2db68ce5 | 749 | storeDirCloseSwapLogs(); |
2e923080 | 750 | storeLogClose(); |
751 | accessLogClose(); | |
3ff65596 AR |
752 | #if ICAP_CLIENT |
753 | icapLogClose(); | |
754 | #endif | |
d71e4674 AR |
755 | |
756 | eventAdd("mainReconfigureFinish", &mainReconfigureFinish, NULL, 0, 1, | |
26ac0430 | 757 | false); |
d71e4674 AR |
758 | } |
759 | ||
760 | static void | |
26ac0430 AJ |
761 | mainReconfigureFinish(void *) |
762 | { | |
d71e4674 AR |
763 | debugs(1, 3, "finishing reconfiguring"); |
764 | ||
c68e9c6b | 765 | errorClean(); |
3aa4adbc | 766 | enter_suid(); /* root to read config file */ |
936b23cd AJ |
767 | |
768 | // we may have disabled the need for PURGE | |
e1381638 | 769 | if (Config2.onoff.enable_purge) |
936b23cd AJ |
770 | Config2.onoff.enable_purge = 2; |
771 | ||
18631119 | 772 | // parse the config returns a count of errors encountered. |
13aeac35 | 773 | const int oldWorkers = Config.workers; |
18631119 AJ |
774 | if ( parseConfigFile(ConfigFile) != 0) { |
775 | // for now any errors are a fatal condition... | |
776 | self_destruct(); | |
777 | } | |
13aeac35 AR |
778 | if (oldWorkers != Config.workers) { |
779 | debugs(1, DBG_CRITICAL, "WARNING: Changing 'workers' (from " << | |
5667a628 AR |
780 | oldWorkers << " to " << Config.workers << |
781 | ") is not supported and ignored"); | |
13aeac35 | 782 | Config.workers = oldWorkers; |
a2c48c98 | 783 | } |
936b23cd | 784 | |
96c2bb61 AR |
785 | if (IamPrimaryProcess()) |
786 | CpuAffinityCheck(); | |
787 | CpuAffinityReconfigure(); | |
788 | ||
c642c141 | 789 | setUmask(Config.umask); |
97244680 | 790 | Mem::Report(); |
3aa4adbc | 791 | setEffectiveUser(); |
62493678 | 792 | _db_init(Debug::cache_log, Debug::debugOptions); |
429fdbec | 793 | ipcache_restart(); /* clear stuck entries */ |
794 | fqdncache_restart(); /* sigh, fqdncache too */ | |
0e70aa1e | 795 | parseEtcHosts(); |
53ad48e6 | 796 | errorInitialize(); /* reload error pages */ |
2e923080 | 797 | accessLogInit(); |
76fc7e57 AJ |
798 | |
799 | #if USE_LOADABLE_MODULES | |
800 | LoadableModulesConfigure(Config.loadable_module_names); | |
801 | #endif | |
802 | ||
803 | #if USE_ADAPTATION | |
804 | bool enableAdaptation = false; | |
805 | #if ICAP_CLIENT | |
806 | Adaptation::Icap::TheConfig.finalize(); | |
807 | enableAdaptation = Adaptation::Icap::TheConfig.onoff || enableAdaptation; | |
808 | #endif | |
809 | #if USE_ECAP | |
810 | Adaptation::Ecap::TheConfig.finalize(); // must be after we load modules | |
811 | enableAdaptation = Adaptation::Ecap::TheConfig.onoff || enableAdaptation; | |
812 | #endif | |
813 | Adaptation::Config::Finalize(enableAdaptation); | |
814 | #endif | |
d090e020 | 815 | |
3ff65596 AR |
816 | #if ICAP_CLIENT |
817 | icapLogOpen(); | |
818 | #endif | |
2e923080 | 819 | storeLogOpen(); |
74addf6c | 820 | dnsInit(); |
95d2589c CT |
821 | #if USE_SSL_CRTD |
822 | Ssl::Helper::GetInstance()->Init(); | |
823 | #endif | |
62e76326 | 824 | |
74addf6c | 825 | redirectInit(); |
2f1431ea | 826 | #if USE_AUTH |
5817ee13 | 827 | authenticateInit(&Auth::TheConfig); |
2f1431ea | 828 | #endif |
d9572179 | 829 | externalAclInit(); |
7de94c8c AR |
830 | |
831 | if (IamPrimaryProcess()) { | |
1f38f50a | 832 | #if USE_WCCP |
62e76326 | 833 | |
5667a628 | 834 | wccpInit(); |
1f38f50a | 835 | #endif |
0b0cfcf2 | 836 | #if USE_WCCPv2 |
837 | ||
5667a628 | 838 | wccp2Init(); |
0b0cfcf2 | 839 | #endif |
7de94c8c | 840 | } |
62e76326 | 841 | |
0ffd22bc | 842 | serverConnectionsOpen(); |
9c2e9b50 | 843 | |
3ee2b4f8 | 844 | neighbors_init(); |
9c2e9b50 | 845 | |
2db68ce5 | 846 | storeDirOpenSwapLogs(); |
9c2e9b50 | 847 | |
9c021a38 | 848 | mimeInit(Config.mimeTablePathname); |
9c2e9b50 | 849 | |
c521ad17 DK |
850 | #if USE_UNLINKD |
851 | if (unlinkdNeeded()) | |
852 | unlinkdInit(); | |
853 | #endif | |
854 | ||
9a0a18de | 855 | #if USE_DELAY_POOLS |
b4cd430a CT |
856 | Config.ClientDelay.finalize(); |
857 | #endif | |
858 | ||
926375e6 | 859 | if (Config.onoff.announce) { |
860 | if (!eventFind(start_announce, NULL)) | |
861 | eventAdd("start_announce", start_announce, NULL, 3600.0, 1); | |
862 | } else { | |
863 | if (eventFind(start_announce, NULL)) | |
864 | eventDelete(start_announce, NULL); | |
865 | } | |
866 | ||
b8890359 | 867 | writePidFile(); /* write PID file */ |
9c2e9b50 | 868 | |
5cd39a10 | 869 | reconfiguring = 0; |
870 | } | |
871 | ||
872 | static void | |
9b7292ce | 873 | mainRotate(void) |
874 | { | |
cc192b50 | 875 | icmpEngine.Close(); |
f64091a7 | 876 | #if USE_DNSHELPER |
e40aa8da | 877 | dnsShutdown(); |
3c573763 | 878 | #endif |
e40aa8da | 879 | redirectShutdown(); |
2f1431ea | 880 | #if USE_AUTH |
0bcb6908 | 881 | authenticateRotate(); |
2f1431ea | 882 | #endif |
d9572179 | 883 | externalAclShutdown(); |
0a6dd8fb | 884 | |
5cd39a10 | 885 | _db_rotate_log(); /* cache.log */ |
886 | storeDirWriteCleanLogs(1); | |
887 | storeLogRotate(); /* store.log */ | |
888 | accessLogRotate(); /* access.log */ | |
3ff65596 AR |
889 | #if ICAP_CLIENT |
890 | icapLogRotate(); /*icap.log*/ | |
891 | #endif | |
cc192b50 | 892 | icmpEngine.Open(); |
f64091a7 | 893 | #if USE_DNSHELPER |
e40aa8da | 894 | dnsInit(); |
3c573763 | 895 | #endif |
e40aa8da | 896 | redirectInit(); |
2f1431ea | 897 | #if USE_AUTH |
5817ee13 | 898 | authenticateInit(&Auth::TheConfig); |
2f1431ea | 899 | #endif |
d9572179 | 900 | externalAclInit(); |
5f3f8d0e | 901 | } |
902 | ||
067bea91 | 903 | static void |
9b7292ce | 904 | setEffectiveUser(void) |
905 | { | |
fc68f6b1 | 906 | keepCapabilities(); |
85407535 | 907 | leave_suid(); /* Run as non privilegied user */ |
1191b93b | 908 | #if _SQUID_OS2_ |
62e76326 | 909 | |
cd377065 | 910 | return; |
911 | #endif | |
62e76326 | 912 | |
85407535 | 913 | if (geteuid() == 0) { |
fa84c01d FC |
914 | debugs(0, DBG_CRITICAL, "Squid is not safe to run as root! If you must"); |
915 | debugs(0, DBG_CRITICAL, "start Squid as root, then you must configure"); | |
916 | debugs(0, DBG_CRITICAL, "it to run as a non-priveledged user with the"); | |
917 | debugs(0, DBG_CRITICAL, "'cache_effective_user' option in the config file."); | |
62e76326 | 918 | fatal("Don't run Squid as root, set 'cache_effective_user'!"); |
85407535 | 919 | } |
920 | } | |
921 | ||
b6a2f15e | 922 | static void |
9b7292ce | 923 | mainSetCwd(void) |
924 | { | |
4a504376 | 925 | char pathbuf[MAXPATHLEN]; |
62e76326 | 926 | |
b6a2f15e | 927 | if (Config.coredump_dir) { |
62e76326 | 928 | if (0 == strcmp("none", Config.coredump_dir)) { |
929 | (void) 0; | |
930 | } else if (chdir(Config.coredump_dir) == 0) { | |
e0236918 | 931 | debugs(0, DBG_IMPORTANT, "Set Current Directory to " << Config.coredump_dir); |
62e76326 | 932 | return; |
933 | } else { | |
fa84c01d | 934 | debugs(50, DBG_CRITICAL, "chdir: " << Config.coredump_dir << ": " << xstrerror()); |
62e76326 | 935 | } |
b6a2f15e | 936 | } |
62e76326 | 937 | |
02e8115e | 938 | /* If we don't have coredump_dir or couldn't cd there, report current dir */ |
4a504376 | 939 | if (getcwd(pathbuf, MAXPATHLEN)) { |
e0236918 | 940 | debugs(0, DBG_IMPORTANT, "Current Directory is " << pathbuf); |
4a504376 | 941 | } else { |
fa84c01d | 942 | debugs(50, DBG_CRITICAL, "WARNING: Can't find current directory, getcwd: " << xstrerror()); |
4a504376 | 943 | } |
b6a2f15e | 944 | } |
945 | ||
b8d8561b | 946 | static void |
9b7292ce | 947 | mainInitialize(void) |
948 | { | |
efd900cb | 949 | /* chroot if configured to run inside chroot */ |
62e76326 | 950 | |
64b0a10d | 951 | if (Config.chroot_dir && (chroot(Config.chroot_dir) != 0 || chdir("/") != 0)) { |
62e76326 | 952 | fatal("failed to chroot"); |
efd900cb | 953 | } |
62e76326 | 954 | |
1758c627 | 955 | if (opt_catch_signals) { |
62e76326 | 956 | squid_signal(SIGSEGV, death, SA_NODEFER | SA_RESETHAND); |
957 | squid_signal(SIGBUS, death, SA_NODEFER | SA_RESETHAND); | |
44f99671 | 958 | } |
62e76326 | 959 | |
30a4f2a8 | 960 | squid_signal(SIGPIPE, SIG_IGN, SA_RESTART); |
961 | squid_signal(SIGCHLD, sig_child, SA_NODEFER | SA_RESTART); | |
44f99671 | 962 | |
85407535 | 963 | setEffectiveUser(); |
62e76326 | 964 | |
30a4f2a8 | 965 | if (icpPortNumOverride != 1) |
f45dd259 | 966 | Config.Port.icp = (unsigned short) icpPortNumOverride; |
30a4f2a8 | 967 | |
62493678 | 968 | _db_init(Debug::cache_log, Debug::debugOptions); |
62e76326 | 969 | |
62493678 | 970 | fd_open(fileno(debug_log), FD_LOG, Debug::cache_log); |
62e76326 | 971 | |
71a17702 | 972 | #if MEM_GEN_TRACE |
62e76326 | 973 | |
71a17702 | 974 | log_trace_init("/tmp/squid.alloc"); |
62e76326 | 975 | |
71a17702 | 976 | #endif |
62e76326 | 977 | |
fa84c01d | 978 | debugs(1, DBG_CRITICAL, "Starting Squid Cache version " << version_string << " for " << CONFIG_HOST_TYPE << "..."); |
62e76326 | 979 | |
be266cb2 | 980 | #if _SQUID_WINDOWS_ |
b293c4d8 | 981 | if (WIN32_run_mode == _WIN_SQUID_RUN_MODE_SERVICE) { |
fa84c01d FC |
982 | debugs(1, DBG_CRITICAL, "Running as " << WIN32_Service_name << " Windows System Service on " << WIN32_OS_string); |
983 | debugs(1, DBG_CRITICAL, "Service command line is: " << WIN32_Service_Command_Line); | |
b293c4d8 | 984 | } else |
fa84c01d | 985 | debugs(1, DBG_CRITICAL, "Running on " << WIN32_OS_string); |
b293c4d8 | 986 | #endif |
987 | ||
e0236918 | 988 | debugs(1, DBG_IMPORTANT, "Process ID " << getpid()); |
095ec2b1 | 989 | |
e0236918 | 990 | debugs(1, DBG_IMPORTANT, "Process Roles:" << ProcessRoles()); |
095ec2b1 | 991 | |
f3f0f563 | 992 | setSystemLimits(); |
e0236918 | 993 | debugs(1, DBG_IMPORTANT, "With " << Squid_MaxFD << " file descriptors available"); |
5f3f8d0e | 994 | |
1191b93b | 995 | #if _SQUID_MSWIN_ |
6c1962dd | 996 | |
e0236918 | 997 | debugs(1, DBG_IMPORTANT, "With " << _getmaxstdio() << " CRT stdio descriptors available"); |
6c1962dd | 998 | |
999 | if (WIN32_Socks_initialized) | |
e0236918 | 1000 | debugs(1, DBG_IMPORTANT, "Windows sockets initialized"); |
6c1962dd | 1001 | |
babd1fd5 | 1002 | if (WIN32_OS_version > _WIN_OS_WINNT) { |
26ac0430 | 1003 | WIN32_IpAddrChangeMonitorInit(); |
babd1fd5 | 1004 | } |
1005 | ||
6c1962dd | 1006 | #endif |
1007 | ||
9f75c559 | 1008 | if (!configured_once) |
62e76326 | 1009 | disk_init(); /* disk_init must go before ipcache_init() */ |
1010 | ||
5f3f8d0e | 1011 | ipcache_init(); |
62e76326 | 1012 | |
f88bb09c | 1013 | fqdncache_init(); |
62e76326 | 1014 | |
0e70aa1e | 1015 | parseEtcHosts(); |
62e76326 | 1016 | |
74addf6c | 1017 | dnsInit(); |
62e76326 | 1018 | |
586089cd CT |
1019 | #if USE_SSL_CRTD |
1020 | Ssl::Helper::GetInstance()->Init(); | |
1021 | #endif | |
1022 | ||
74addf6c | 1023 | redirectInit(); |
2f1431ea | 1024 | #if USE_AUTH |
5817ee13 | 1025 | authenticateInit(&Auth::TheConfig); |
2f1431ea | 1026 | #endif |
d9572179 | 1027 | externalAclInit(); |
62e76326 | 1028 | |
2ac76861 | 1029 | httpHeaderInitModule(); /* must go before any header processing (e.g. the one in errorInitialize) */ |
62e76326 | 1030 | |
2246b732 | 1031 | httpReplyInitModule(); /* must go before accepting replies */ |
62e76326 | 1032 | |
9b312a19 | 1033 | errorInitialize(); |
62e76326 | 1034 | |
7a2f978b | 1035 | accessLogInit(); |
62e76326 | 1036 | |
e1381638 | 1037 | #if ICAP_CLIENT |
3ff65596 AR |
1038 | icapLogOpen(); |
1039 | #endif | |
1040 | ||
3898f57f | 1041 | #if USE_IDENT |
4daaf3cb | 1042 | Ident::Init(); |
3898f57f | 1043 | #endif |
4daaf3cb | 1044 | |
59ad6d31 | 1045 | #if SQUID_SNMP |
62e76326 | 1046 | |
5e14bf6d | 1047 | snmpInit(); |
62e76326 | 1048 | |
5e14bf6d | 1049 | #endif |
30a4f2a8 | 1050 | #if MALLOC_DBG |
62e76326 | 1051 | |
5f3f8d0e | 1052 | malloc_debug(0, malloc_debug_level); |
62e76326 | 1053 | |
5f3f8d0e | 1054 | #endif |
1055 | ||
dbe4fd8e | 1056 | if (!configured_once) { |
a3d0a19d | 1057 | #if USE_UNLINKD |
c521ad17 DK |
1058 | if (unlinkdNeeded()) |
1059 | unlinkdInit(); | |
62e76326 | 1060 | #endif |
1061 | ||
1062 | urlInitialize(); | |
62e76326 | 1063 | statInit(); |
1064 | storeInit(); | |
1065 | mainSetCwd(); | |
1066 | /* after this point we want to see the mallinfo() output */ | |
1067 | do_mallinfo = 1; | |
1068 | mimeInit(Config.mimeTablePathname); | |
62e76326 | 1069 | refreshInit(); |
9a0a18de | 1070 | #if USE_DELAY_POOLS |
62e76326 | 1071 | DelayPools::Init(); |
0d7e5d78 | 1072 | #endif |
62e76326 | 1073 | |
b6b6f466 | 1074 | FwdState::initModule(); |
62ee09ca | 1075 | /* register the modules in the cache manager menus */ |
62ee09ca | 1076 | |
a08f1b5a | 1077 | cbdataRegisterWithCacheManager(); |
62ee09ca | 1078 | /* These use separate calls so that the comm loops can eventually |
1079 | * coexist. | |
1080 | */ | |
62ee09ca | 1081 | |
15b3c0d7 | 1082 | eventInit(); |
610ee341 | 1083 | |
26ac0430 | 1084 | // TODO: pconn is a good candidate for new-style registration |
6852be71 | 1085 | // PconnModule::GetInstance()->registerWithCacheManager(); |
26ac0430 | 1086 | // moved to PconnModule::PconnModule() |
5f3f8d0e | 1087 | } |
62e76326 | 1088 | |
7de94c8c | 1089 | if (IamPrimaryProcess()) { |
1f38f50a | 1090 | #if USE_WCCP |
5667a628 | 1091 | wccpInit(); |
62e76326 | 1092 | |
0b0cfcf2 | 1093 | #endif |
1094 | #if USE_WCCPv2 | |
1095 | ||
5667a628 | 1096 | wccp2Init(); |
0b0cfcf2 | 1097 | |
1f38f50a | 1098 | #endif |
7de94c8c | 1099 | } |
62e76326 | 1100 | |
2285407f | 1101 | serverConnectionsOpen(); |
62e76326 | 1102 | |
3ee2b4f8 | 1103 | neighbors_init(); |
fc68f6b1 | 1104 | |
5f5e883f | 1105 | // neighborsRegisterWithCacheManager(); //moved to neighbors_init() |
62e76326 | 1106 | |
efd900cb | 1107 | if (Config.chroot_dir) |
62e76326 | 1108 | no_suid(); |
1109 | ||
dbe4fd8e | 1110 | if (!configured_once) |
62e76326 | 1111 | writePidFile(); /* write PID file */ |
0a5b9b32 | 1112 | |
605f2c3e | 1113 | #if defined(_SQUID_LINUX_THREADS_) |
62e76326 | 1114 | |
e3175d1f | 1115 | squid_signal(SIGQUIT, rotate_logs, SA_RESTART); |
62e76326 | 1116 | |
e3175d1f | 1117 | squid_signal(SIGTRAP, sigusr2_handle, SA_RESTART); |
62e76326 | 1118 | |
e3175d1f | 1119 | #else |
62e76326 | 1120 | |
30a4f2a8 | 1121 | squid_signal(SIGUSR1, rotate_logs, SA_RESTART); |
62e76326 | 1122 | |
30a4f2a8 | 1123 | squid_signal(SIGUSR2, sigusr2_handle, SA_RESTART); |
62e76326 | 1124 | |
9fc0b4b8 | 1125 | #endif |
62e76326 | 1126 | |
30a4f2a8 | 1127 | squid_signal(SIGHUP, reconfigure, SA_RESTART); |
62e76326 | 1128 | |
30a4f2a8 | 1129 | squid_signal(SIGTERM, shut_down, SA_NODEFER | SA_RESETHAND | SA_RESTART); |
62e76326 | 1130 | |
30a4f2a8 | 1131 | squid_signal(SIGINT, shut_down, SA_NODEFER | SA_RESETHAND | SA_RESTART); |
62e76326 | 1132 | |
ae1feb30 | 1133 | #ifdef SIGTTIN |
1134 | ||
1135 | squid_signal(SIGTTIN, shut_down, SA_NODEFER | SA_RESETHAND | SA_RESTART); | |
1136 | ||
1137 | #endif | |
1138 | ||
58a39dc9 | 1139 | memCheckInit(); |
62e76326 | 1140 | |
57afc994 AR |
1141 | #if USE_LOADABLE_MODULES |
1142 | LoadableModulesConfigure(Config.loadable_module_names); | |
1143 | #endif | |
1144 | ||
8f361c50 AR |
1145 | #if USE_ADAPTATION |
1146 | bool enableAdaptation = false; | |
1147 | ||
1148 | // We can remove this dependency on specific adaptation mechanisms | |
1149 | // if we create a generic Registry of such mechanisms. Should we? | |
b958cb0f | 1150 | #if ICAP_CLIENT |
26cc52cb AR |
1151 | Adaptation::Icap::TheConfig.finalize(); |
1152 | enableAdaptation = Adaptation::Icap::TheConfig.onoff || enableAdaptation; | |
6e5db507 AR |
1153 | #endif |
1154 | #if USE_ECAP | |
574b508c AR |
1155 | Adaptation::Ecap::TheConfig.finalize(); // must be after we load modules |
1156 | enableAdaptation = Adaptation::Ecap::TheConfig.onoff || enableAdaptation; | |
b958cb0f | 1157 | #endif |
8f361c50 AR |
1158 | // must be the last adaptation-related finalize |
1159 | Adaptation::Config::Finalize(enableAdaptation); | |
b958cb0f AR |
1160 | #endif |
1161 | ||
79039294 AR |
1162 | #if USE_SQUID_ESI |
1163 | Esi::Init(); | |
1164 | #endif | |
b958cb0f | 1165 | |
9a0a18de | 1166 | #if USE_DELAY_POOLS |
b4cd430a CT |
1167 | Config.ClientDelay.finalize(); |
1168 | #endif | |
1169 | ||
dbe4fd8e | 1170 | if (!configured_once) { |
c8f4eac4 | 1171 | eventAdd("storeMaintain", Store::Maintain, NULL, 1.0, 1); |
62e76326 | 1172 | |
1173 | if (Config.onoff.announce) | |
1174 | eventAdd("start_announce", start_announce, NULL, 3600.0, 1); | |
1175 | ||
1176 | eventAdd("ipcache_purgelru", ipcache_purgelru, NULL, 10.0, 1); | |
1177 | ||
1178 | eventAdd("fqdncache_purgelru", fqdncache_purgelru, NULL, 15.0, 1); | |
1179 | ||
88bfe092 | 1180 | #if USE_XPROF_STATS |
62e76326 | 1181 | |
1182 | eventAdd("cpuProfiling", xprof_event, NULL, 1.0, 1); | |
1183 | ||
88bfe092 | 1184 | #endif |
62e76326 | 1185 | |
1186 | eventAdd("memPoolCleanIdlePools", Mem::CleanIdlePools, NULL, 15.0, 1); | |
4d7add01 | 1187 | } |
62e76326 | 1188 | |
dbe4fd8e | 1189 | configured_once = 1; |
4d64d74a | 1190 | } |
1191 | ||
c842329d | 1192 | /// unsafe main routine -- may throw |
f3f3e961 | 1193 | int SquidMain(int argc, char **argv); |
c842329d | 1194 | /// unsafe main routine wrapper to catch exceptions |
6e5db507 AR |
1195 | static int SquidMainSafe(int argc, char **argv); |
1196 | ||
6c1962dd | 1197 | #if USE_WIN32_SERVICE |
1198 | /* When USE_WIN32_SERVICE is defined, the main function is placed in win32.cc */ | |
1199 | extern "C" void WINAPI | |
e1381638 | 1200 | SquidWinSvcMain(int argc, char **argv) |
18631119 AJ |
1201 | { |
1202 | SquidMainSafe(argc, argv); | |
1203 | } | |
6c1962dd | 1204 | #else |
b8d8561b | 1205 | int |
1206 | main(int argc, char **argv) | |
6e5db507 | 1207 | { |
18631119 | 1208 | return SquidMainSafe(argc, argv); |
6e5db507 | 1209 | } |
18631119 | 1210 | #endif |
6e5db507 AR |
1211 | |
1212 | static int | |
1213 | SquidMainSafe(int argc, char **argv) | |
1214 | { | |
1215 | try { | |
1216 | return SquidMain(argc, argv); | |
26ac0430 | 1217 | } catch (const std::exception &e) { |
51618c6a | 1218 | debugs(1, DBG_CRITICAL, "FATAL: dying from an unhandled exception: " << |
9199139f | 1219 | e.what()); |
26ac0430 AJ |
1220 | throw; |
1221 | } catch (...) { | |
51618c6a | 1222 | debugs(1, DBG_CRITICAL, "FATAL: dying from an unhandled exception."); |
26ac0430 AJ |
1223 | throw; |
1224 | } | |
1225 | return -1; // not reached | |
6e5db507 AR |
1226 | } |
1227 | ||
d4a3e179 AR |
1228 | /// computes name and ID for the current kid process |
1229 | static void | |
1230 | ConfigureCurrentKid(const char *processName) | |
1231 | { | |
5667a628 | 1232 | // kids are marked with parenthesis around their process names |
d4a3e179 AR |
1233 | if (processName && processName[0] == '(') { |
1234 | if (const char *idStart = strrchr(processName, '-')) { | |
1235 | KidIdentifier = atoi(idStart + 1); | |
9de6c973 AR |
1236 | const size_t nameLen = idStart - (processName + 1); |
1237 | assert(nameLen < sizeof(TheKidName)); | |
1238 | xstrncpy(TheKidName, processName + 1, nameLen + 1); | |
095ec2b1 AR |
1239 | if (!strcmp(TheKidName, "squid-coord")) |
1240 | TheProcessKind = pkCoordinator; | |
9199139f | 1241 | else if (!strcmp(TheKidName, "squid")) |
095ec2b1 | 1242 | TheProcessKind = pkWorker; |
9199139f | 1243 | else if (!strcmp(TheKidName, "squid-disk")) |
095ec2b1 AR |
1244 | TheProcessKind = pkDisker; |
1245 | else | |
1246 | TheProcessKind = pkOther; // including coordinator | |
d4a3e179 | 1247 | } |
2664c457 | 1248 | } else { |
9de6c973 | 1249 | xstrncpy(TheKidName, APP_SHORTNAME, sizeof(TheKidName)); |
2664c457 | 1250 | KidIdentifier = 0; |
d4a3e179 | 1251 | } |
d4a3e179 AR |
1252 | } |
1253 | ||
f3f3e961 | 1254 | int |
6e5db507 | 1255 | SquidMain(int argc, char **argv) |
9b7292ce | 1256 | { |
d4a3e179 | 1257 | ConfigureCurrentKid(argv[0]); |
007d775d | 1258 | |
be266cb2 | 1259 | #if _SQUID_WINDOWS_ |
a0aa9e74 | 1260 | int WIN32_init_err; |
1261 | #endif | |
4d64d74a | 1262 | |
a4ba1105 | 1263 | #if HAVE_SBRK |
62e76326 | 1264 | |
9b7292ce | 1265 | sbrk_start = sbrk(0); |
a4ba1105 | 1266 | #endif |
1267 | ||
fb6a61d1 | 1268 | Debug::parseOptions(NULL); |
9b7292ce | 1269 | debug_log = stderr; |
62e76326 | 1270 | |
b9269882 | 1271 | #if defined(SQUID_MAXFD_LIMIT) |
1272 | ||
1273 | if (SQUID_MAXFD_LIMIT < Squid_MaxFD) | |
1274 | Squid_MaxFD = SQUID_MAXFD_LIMIT; | |
1275 | ||
1276 | #endif | |
399e85ea | 1277 | |
be266cb2 | 1278 | #if _SQUID_WINDOWS_ |
a0aa9e74 | 1279 | if ((WIN32_init_err = WIN32_Subsystem_Init(&argc, &argv))) |
1280 | return WIN32_init_err; | |
0e6d05ef | 1281 | #endif |
1282 | ||
9b7292ce | 1283 | /* call mallopt() before anything else */ |
0b29fe44 | 1284 | #if HAVE_MALLOPT |
7328e889 | 1285 | #ifdef M_GRAIN |
9b7292ce | 1286 | /* Round up all sizes to a multiple of this */ |
1287 | mallopt(M_GRAIN, 16); | |
62e76326 | 1288 | |
7328e889 | 1289 | #endif |
1290 | #ifdef M_MXFAST | |
9b7292ce | 1291 | /* biggest size that is considered a small block */ |
1292 | mallopt(M_MXFAST, 256); | |
62e76326 | 1293 | |
7328e889 | 1294 | #endif |
1295 | #ifdef M_NBLKS | |
9b7292ce | 1296 | /* allocate this many small blocks at once */ |
1297 | mallopt(M_NLBLKS, 32); | |
62e76326 | 1298 | |
7328e889 | 1299 | #endif |
1300 | #endif /* HAVE_MALLOPT */ | |
1301 | ||
9b7292ce | 1302 | squid_srandom(time(NULL)); |
4d64d74a | 1303 | |
9b7292ce | 1304 | getCurrentTime(); |
62e76326 | 1305 | |
9b7292ce | 1306 | squid_start = current_time; |
62e76326 | 1307 | |
9b7292ce | 1308 | failure_notify = fatal_dump; |
4d64d74a | 1309 | |
6c1962dd | 1310 | #if USE_WIN32_SERVICE |
1311 | ||
9b7292ce | 1312 | WIN32_svcstatusupdate(SERVICE_START_PENDING, 10000); |
6c1962dd | 1313 | |
1314 | #endif | |
1315 | ||
9b7292ce | 1316 | mainParseOptions(argc, argv); |
4d64d74a | 1317 | |
9aae6be3 | 1318 | if (opt_parse_cfg_only) { |
26ac0430 | 1319 | Debug::parseOptions("ALL,1"); |
9aae6be3 | 1320 | } |
1321 | ||
6c1962dd | 1322 | #if USE_WIN32_SERVICE |
1323 | ||
26ac0430 | 1324 | if (opt_install_service) { |
9b7292ce | 1325 | WIN32_InstallService(); |
a0aa9e74 | 1326 | return 0; |
9b7292ce | 1327 | } |
6c1962dd | 1328 | |
26ac0430 | 1329 | if (opt_remove_service) { |
9b7292ce | 1330 | WIN32_RemoveService(); |
a0aa9e74 | 1331 | return 0; |
9b7292ce | 1332 | } |
6c1962dd | 1333 | |
26ac0430 | 1334 | if (opt_command_line) { |
9b7292ce | 1335 | WIN32_SetServiceCommandLine(); |
a0aa9e74 | 1336 | return 0; |
9b7292ce | 1337 | } |
6c1962dd | 1338 | |
1339 | #endif | |
1340 | ||
9b7292ce | 1341 | /* parse configuration file |
1342 | * note: in "normal" case this used to be called from mainInitialize() */ | |
1343 | { | |
1344 | int parse_err; | |
62e76326 | 1345 | |
9b7292ce | 1346 | if (!ConfigFile) |
1347 | ConfigFile = xstrdup(DefaultConfigFile); | |
62e76326 | 1348 | |
9b7292ce | 1349 | assert(!configured_once); |
62e76326 | 1350 | |
9b7292ce | 1351 | Mem::Init(); |
62e76326 | 1352 | |
9b7292ce | 1353 | storeFsInit(); /* required for config parsing */ |
62e76326 | 1354 | |
7b5b7ba8 | 1355 | /* TODO: call the FS::Clean() in shutdown to do Fs cleanups */ |
af6a12ee | 1356 | Fs::Init(); |
7b5b7ba8 | 1357 | |
b9ae18aa | 1358 | /* May not be needed for parsing, have not audited for such */ |
1359 | DiskIOModule::SetupAllModules(); | |
1360 | ||
59b2d47f | 1361 | /* Shouldn't be needed for config parsing, but have not audited for such */ |
1362 | StoreFileSystem::SetupAllFs(); | |
1363 | ||
c8f4eac4 | 1364 | /* we may want the parsing process to set this up in the future */ |
1365 | Store::Root(new StoreController); | |
2f1431ea | 1366 | #if USE_AUTH |
ccd8a22a | 1367 | Auth::Init(); /* required for config parsing */ |
2f1431ea | 1368 | #endif |
055421ee AJ |
1369 | Ip::ProbeTransport(); // determine IPv4 or IPv6 capabilities before parsing. |
1370 | ||
31971e6a AJ |
1371 | Format::Token::Init(); // XXX: temporary. Use a runners registry of pre-parse runners instead. |
1372 | ||
dd9b1081 | 1373 | parse_err = parseConfigFile(ConfigFile); |
62e76326 | 1374 | |
97244680 | 1375 | Mem::Report(); |
26ac0430 | 1376 | |
18631119 | 1377 | if (opt_parse_cfg_only || parse_err > 0) |
9b7292ce | 1378 | return parse_err; |
9b7292ce | 1379 | } |
c642c141 | 1380 | setUmask(Config.umask); |
9b7292ce | 1381 | if (-1 == opt_send_signal) |
1382 | if (checkRunningPid()) | |
205d7c3b | 1383 | exit(0); |
e13ee7ad | 1384 | |
9bc73deb | 1385 | #if TEST_ACCESS |
62e76326 | 1386 | |
95564b0d | 1387 | comm_init(); |
62e76326 | 1388 | |
9b7292ce | 1389 | mainInitialize(); |
62e76326 | 1390 | |
9b7292ce | 1391 | test_access(); |
62e76326 | 1392 | |
9b7292ce | 1393 | return 0; |
62e76326 | 1394 | |
9bc73deb | 1395 | #endif |
1396 | ||
9b7292ce | 1397 | /* send signal to running copy and exit */ |
26ac0430 | 1398 | if (opt_send_signal != -1) { |
9b7292ce | 1399 | /* chroot if configured to run inside chroot */ |
62e76326 | 1400 | |
a572d8be | 1401 | if (Config.chroot_dir) { |
1402 | if (chroot(Config.chroot_dir)) | |
1403 | fatal("failed to chroot"); | |
1404 | ||
1405 | no_suid(); | |
1406 | } else { | |
1407 | leave_suid(); | |
9b7292ce | 1408 | } |
62e76326 | 1409 | |
9b7292ce | 1410 | sendSignal(); |
1411 | /* NOTREACHED */ | |
1412 | } | |
62e76326 | 1413 | |
6d57128b | 1414 | debugs(1,2, HERE << "Doing post-config initialization\n"); |
520e0073 | 1415 | leave_suid(); |
45e8762c | 1416 | ActivateRegistered(rrFinalizeConfig); |
ea2cdeb6 | 1417 | ActivateRegistered(rrClaimMemoryNeeds); |
6d57128b | 1418 | ActivateRegistered(rrAfterConfig); |
520e0073 | 1419 | enter_suid(); |
9487bae9 | 1420 | |
2ae5c85f AJ |
1421 | if (!opt_no_daemon && Config.workers > 0) |
1422 | watch_child(argv); | |
1423 | ||
26ac0430 | 1424 | if (opt_create_swap_dirs) { |
9b7292ce | 1425 | /* chroot if configured to run inside chroot */ |
0e657244 | 1426 | |
9b7292ce | 1427 | if (Config.chroot_dir && chroot(Config.chroot_dir)) { |
1428 | fatal("failed to chroot"); | |
1429 | } | |
62e76326 | 1430 | |
9b7292ce | 1431 | setEffectiveUser(); |
fa84c01d | 1432 | debugs(0, DBG_CRITICAL, "Creating Swap Directories"); |
c8f4eac4 | 1433 | Store::Root().create(); |
6c1962dd | 1434 | |
9b7292ce | 1435 | return 0; |
9b7292ce | 1436 | } |
62e76326 | 1437 | |
96c2bb61 AR |
1438 | if (IamPrimaryProcess()) |
1439 | CpuAffinityCheck(); | |
1440 | CpuAffinityInit(); | |
1441 | ||
95564b0d | 1442 | setMaxFD(); |
1443 | ||
1444 | /* init comm module */ | |
1445 | comm_init(); | |
62e76326 | 1446 | |
26ac0430 | 1447 | if (opt_no_daemon) { |
9b7292ce | 1448 | /* we have to init fdstat here. */ |
1449 | fd_open(0, FD_LOG, "stdin"); | |
1450 | fd_open(1, FD_LOG, "stdout"); | |
1451 | fd_open(2, FD_LOG, "stderr"); | |
1452 | } | |
62e76326 | 1453 | |
6c1962dd | 1454 | #if USE_WIN32_SERVICE |
1455 | ||
9b7292ce | 1456 | WIN32_svcstatusupdate(SERVICE_START_PENDING, 10000); |
6c1962dd | 1457 | |
1458 | #endif | |
1459 | ||
9b7292ce | 1460 | mainInitialize(); |
4d64d74a | 1461 | |
6c1962dd | 1462 | #if USE_WIN32_SERVICE |
1463 | ||
9b7292ce | 1464 | WIN32_svcstatusupdate(SERVICE_RUNNING, 0); |
6c1962dd | 1465 | |
1466 | #endif | |
1467 | ||
9b7292ce | 1468 | /* main loop */ |
a553a5a3 | 1469 | EventLoop mainLoop; |
62e76326 | 1470 | |
9688b0ae | 1471 | SignalEngine signalEngine(mainLoop); |
6c1962dd | 1472 | |
9688b0ae | 1473 | mainLoop.registerEngine(&signalEngine); |
62e76326 | 1474 | |
8ff3fa2e | 1475 | /* TODO: stop requiring the singleton here */ |
1476 | mainLoop.registerEngine(EventScheduler::GetInstance()); | |
62e76326 | 1477 | |
8ff3fa2e | 1478 | StoreRootEngine store_engine; |
615f9581 | 1479 | |
8ff3fa2e | 1480 | mainLoop.registerEngine(&store_engine); |
a774fd3f | 1481 | |
8ff3fa2e | 1482 | CommSelectEngine comm_engine; |
1483 | ||
8ff3fa2e | 1484 | mainLoop.registerEngine(&comm_engine); |
1485 | ||
bef81ea5 | 1486 | mainLoop.setPrimaryEngine(&comm_engine); |
1487 | ||
8ff3fa2e | 1488 | /* use the standard time service */ |
1489 | TimeEngine time_engine; | |
1490 | ||
1491 | mainLoop.setTimeService(&time_engine); | |
1492 | ||
7de94c8c | 1493 | if (IamCoordinatorProcess()) |
4299f876 | 1494 | AsyncJob::Start(Ipc::Coordinator::Instance()); |
095ec2b1 | 1495 | else if (UsingSmp() && (IamWorkerProcess() || IamDiskProcess())) |
4299f876 | 1496 | AsyncJob::Start(new Ipc::Strand); |
10cefb7b | 1497 | |
48d54e4d AJ |
1498 | /* at this point we are finished the synchronous startup. */ |
1499 | starting_up = 0; | |
1500 | ||
8ff3fa2e | 1501 | mainLoop.run(); |
1502 | ||
1503 | if (mainLoop.errcount == 10) | |
1504 | fatal_dump("Event loop exited with failure."); | |
1505 | ||
1506 | /* shutdown squid now */ | |
1507 | SquidShutdown(); | |
62e76326 | 1508 | |
9b7292ce | 1509 | /* NOTREACHED */ |
9b7292ce | 1510 | return 0; |
090089c4 | 1511 | } |
7690e8eb | 1512 | |
b8d8561b | 1513 | static void |
0673c0ba | 1514 | sendSignal(void) |
7690e8eb | 1515 | { |
ff8d0ea6 | 1516 | pid_t pid; |
fedac7e5 | 1517 | debug_log = stderr; |
258ac4d7 | 1518 | |
1519 | if (strcmp(Config.pidFilename, "none") == 0) { | |
e0236918 | 1520 | debugs(0, DBG_IMPORTANT, "No pid_filename specified. Trusting you know what you are doing."); |
258ac4d7 | 1521 | } |
1522 | ||
fedac7e5 | 1523 | pid = readPidFile(); |
62e76326 | 1524 | |
fedac7e5 | 1525 | if (pid > 1) { |
6c1962dd | 1526 | #if USE_WIN32_SERVICE |
1527 | ||
1528 | if (opt_signal_service) { | |
1529 | WIN32_sendSignal(opt_send_signal); | |
1530 | exit(0); | |
1531 | } else | |
1191b93b | 1532 | #if _SQUID_MSWIN_ |
6c1962dd | 1533 | { |
7dbca7a4 | 1534 | fprintf(stderr, "%s: ERROR: Could not send ", APP_SHORTNAME); |
6c1962dd | 1535 | fprintf(stderr, "signal to Squid Service:\n"); |
1536 | fprintf(stderr, "missing -n command line switch.\n"); | |
1537 | exit(1); | |
1538 | } | |
1539 | ||
1540 | /* NOTREACHED */ | |
1541 | #endif | |
1542 | ||
1543 | #endif | |
1544 | ||
62e76326 | 1545 | if (kill(pid, opt_send_signal) && |
1546 | /* ignore permissions if just running check */ | |
1547 | !(opt_send_signal == 0 && errno == EPERM)) { | |
7dbca7a4 | 1548 | fprintf(stderr, "%s: ERROR: Could not send ", APP_SHORTNAME); |
62e76326 | 1549 | fprintf(stderr, "signal %d to process %d: %s\n", |
1550 | opt_send_signal, (int) pid, xstrerror()); | |
1551 | exit(1); | |
1552 | } | |
fedac7e5 | 1553 | } else { |
205d7c3b | 1554 | if (opt_send_signal != SIGTERM) { |
e08d498f | 1555 | fprintf(stderr, "%s: ERROR: No running copy\n", APP_SHORTNAME); |
205d7c3b AJ |
1556 | exit(1); |
1557 | } else { | |
e08d498f | 1558 | fprintf(stderr, "%s: No running copy\n", APP_SHORTNAME); |
205d7c3b AJ |
1559 | exit(0); |
1560 | } | |
7690e8eb | 1561 | } |
62e76326 | 1562 | |
fedac7e5 | 1563 | /* signal successfully sent */ |
1564 | exit(0); | |
1565 | } | |
f95b8144 | 1566 | |
1191b93b | 1567 | #if !_SQUID_MSWIN_ |
e18d7fdc | 1568 | /* |
1569 | * This function is run when Squid is in daemon mode, just | |
1570 | * before the parent forks and starts up the child process. | |
1571 | * It can be used for admin-specific tasks, such as notifying | |
1572 | * someone that Squid is (re)started. | |
1573 | */ | |
1574 | static void | |
1575 | mainStartScript(const char *prog) | |
1576 | { | |
ef364f64 | 1577 | char script[MAXPATHLEN]; |
e18d7fdc | 1578 | char *t; |
1579 | size_t sl = 0; | |
1580 | pid_t cpid; | |
1581 | pid_t rpid; | |
1582 | xstrncpy(script, prog, MAXPATHLEN); | |
62e76326 | 1583 | |
e18d7fdc | 1584 | if ((t = strrchr(script, '/'))) { |
62e76326 | 1585 | *(++t) = '\0'; |
1586 | sl = strlen(script); | |
e18d7fdc | 1587 | } |
62e76326 | 1588 | |
e18d7fdc | 1589 | xstrncpy(&script[sl], squid_start_script, MAXPATHLEN - sl); |
62e76326 | 1590 | |
e18d7fdc | 1591 | if ((cpid = fork()) == 0) { |
62e76326 | 1592 | /* child */ |
f75662c9 | 1593 | execl(script, squid_start_script, (char *)NULL); |
482aa790 | 1594 | _exit(-1); |
e18d7fdc | 1595 | } else { |
62e76326 | 1596 | do { |
1191b93b | 1597 | #if _SQUID_NEXT_ |
62e76326 | 1598 | union wait status; |
007d775d | 1599 | rpid = wait4(cpid, &status, 0, NULL); |
e18d7fdc | 1600 | #else |
62e76326 | 1601 | |
1602 | int status; | |
007d775d | 1603 | rpid = waitpid(cpid, &status, 0); |
e18d7fdc | 1604 | #endif |
62e76326 | 1605 | |
1606 | } while (rpid != cpid); | |
e18d7fdc | 1607 | } |
1608 | } | |
1609 | ||
a50bfe93 | 1610 | #endif /* _SQUID_MSWIN_ */ |
1611 | ||
efd900cb | 1612 | static int |
1613 | checkRunningPid(void) | |
1614 | { | |
b81949b9 | 1615 | // master process must start alone, but its kids processes may co-exist |
7de94c8c | 1616 | if (!IamMasterProcess()) |
b81949b9 AR |
1617 | return 0; |
1618 | ||
efd900cb | 1619 | pid_t pid; |
e0077312 | 1620 | |
1621 | if (!debug_log) | |
1622 | debug_log = stderr; | |
1623 | ||
efd900cb | 1624 | pid = readPidFile(); |
62e76326 | 1625 | |
efd900cb | 1626 | if (pid < 2) |
62e76326 | 1627 | return 0; |
1628 | ||
efd900cb | 1629 | if (kill(pid, 0) < 0) |
62e76326 | 1630 | return 0; |
1631 | ||
fa84c01d | 1632 | debugs(0, DBG_CRITICAL, "Squid is already running! Process ID " << pid); |
62e76326 | 1633 | |
efd900cb | 1634 | return 1; |
1635 | } | |
1636 | ||
f95b8144 | 1637 | static void |
bbe199dc | 1638 | watch_child(char *argv[]) |
f95b8144 | 1639 | { |
1191b93b | 1640 | #if !_SQUID_MSWIN_ |
f95b8144 | 1641 | char *prog; |
1191b93b | 1642 | #if _SQUID_NEXT_ |
62e76326 | 1643 | |
f95b8144 | 1644 | union wait status; |
1645 | #else | |
62e76326 | 1646 | |
f95b8144 | 1647 | int status; |
1648 | #endif | |
62e76326 | 1649 | |
e3a3b845 | 1650 | pid_t pid; |
c99c5397 | 1651 | #ifdef TIOCNOTTY |
1652 | ||
54f742e7 | 1653 | int i; |
c99c5397 | 1654 | #endif |
1655 | ||
742724a4 | 1656 | int nullfd; |
62e76326 | 1657 | |
7de94c8c | 1658 | if (!IamMasterProcess()) |
62e76326 | 1659 | return; |
1660 | ||
7dbca7a4 | 1661 | openlog(APP_SHORTNAME, LOG_PID | LOG_NDELAY | LOG_CONS, LOG_LOCAL4); |
62e76326 | 1662 | |
54f742e7 | 1663 | if ((pid = fork()) < 0) |
62e76326 | 1664 | syslog(LOG_ALERT, "fork failed: %s", xstrerror()); |
54f742e7 | 1665 | else if (pid > 0) |
62e76326 | 1666 | exit(0); |
1667 | ||
54f742e7 | 1668 | if (setsid() < 0) |
62e76326 | 1669 | syslog(LOG_ALERT, "setsid failed: %s", xstrerror()); |
1670 | ||
efd900cb | 1671 | closelog(); |
62e76326 | 1672 | |
54f742e7 | 1673 | #ifdef TIOCNOTTY |
62e76326 | 1674 | |
c4aefe96 | 1675 | if ((i = open("/dev/tty", O_RDWR | O_TEXT)) >= 0) { |
62e76326 | 1676 | ioctl(i, TIOCNOTTY, NULL); |
1677 | close(i); | |
54f742e7 | 1678 | } |
62e76326 | 1679 | |
54f742e7 | 1680 | #endif |
b05490a8 | 1681 | |
7f6ffd15 | 1682 | /* |
1683 | * RBCOLLINS - if cygwin stackdumps when squid is run without | |
1684 | * -N, check the cygwin1.dll version, it needs to be AT LEAST | |
1685 | * 1.1.3. execvp had a bit overflow error in a loop.. | |
1686 | */ | |
742724a4 | 1687 | /* Connect stdio to /dev/null in daemon mode */ |
4da086c4 | 1688 | nullfd = open(_PATH_DEVNULL, O_RDWR | O_TEXT); |
62e76326 | 1689 | |
e4a1325e | 1690 | if (nullfd < 0) |
4da086c4 | 1691 | fatalf(_PATH_DEVNULL " %s\n", xstrerror()); |
e4a1325e | 1692 | |
742724a4 | 1693 | dup2(nullfd, 0); |
62e76326 | 1694 | |
62493678 | 1695 | if (Debug::log_stderr < 0) { |
62e76326 | 1696 | dup2(nullfd, 1); |
1697 | dup2(nullfd, 2); | |
742724a4 | 1698 | } |
62e76326 | 1699 | |
ca4b9ee6 DK |
1700 | // handle shutdown notifications from kids |
1701 | squid_signal(SIGUSR1, sig_shutdown, SA_RESTART); | |
1702 | ||
13aeac35 AR |
1703 | if (Config.workers > 128) { |
1704 | syslog(LOG_ALERT, "Suspiciously high workers value: %d", | |
5667a628 | 1705 | Config.workers); |
007d775d | 1706 | // but we keep going in hope that user knows best |
5667a628 | 1707 | } |
095ec2b1 AR |
1708 | TheKids.init(); |
1709 | ||
a2515f86 | 1710 | syslog(LOG_NOTICE, "Squid Parent: will start %d kids", (int)TheKids.count()); |
007d775d AR |
1711 | |
1712 | // keep [re]starting kids until it is time to quit | |
f95b8144 | 1713 | for (;;) { |
62e76326 | 1714 | mainStartScript(argv[0]); |
1715 | ||
007d775d | 1716 | // start each kid that needs to be [re]started; once |
10cefb7b | 1717 | for (int i = TheKids.count() - 1; i >= 0; --i) { |
007d775d | 1718 | Kid& kid = TheKids.get(i); |
ca4b9ee6 | 1719 | if (!kid.shouldRestart()) |
007d775d AR |
1720 | continue; |
1721 | ||
1722 | if ((pid = fork()) == 0) { | |
1723 | /* child */ | |
1724 | openlog(APP_SHORTNAME, LOG_PID | LOG_NDELAY | LOG_CONS, LOG_LOCAL4); | |
bc91a636 | 1725 | prog = argv[0]; |
007d775d AR |
1726 | argv[0] = const_cast<char*>(kid.name().termedBuf()); |
1727 | execvp(prog, argv); | |
1728 | syslog(LOG_ALERT, "execvp failed: %s", xstrerror()); | |
1729 | } | |
1730 | ||
1731 | kid.start(pid); | |
095ec2b1 | 1732 | syslog(LOG_NOTICE, "Squid Parent: %s process %d started", |
9199139f | 1733 | kid.name().termedBuf(), pid); |
62e76326 | 1734 | } |
1735 | ||
1736 | /* parent */ | |
7dbca7a4 | 1737 | openlog(APP_SHORTNAME, LOG_PID | LOG_NDELAY | LOG_CONS, LOG_LOCAL4); |
62e76326 | 1738 | |
62e76326 | 1739 | squid_signal(SIGINT, SIG_IGN, SA_RESTART); |
1740 | ||
1191b93b | 1741 | #if _SQUID_NEXT_ |
62e76326 | 1742 | |
1743 | pid = wait3(&status, 0, NULL); | |
1744 | ||
f95b8144 | 1745 | #else |
62e76326 | 1746 | |
1747 | pid = waitpid(-1, &status, 0); | |
1748 | ||
007d775d | 1749 | #endif |
86b91dcd | 1750 | // Loop to collect all stopped kids before we go to sleep below. |
5667a628 | 1751 | do { |
007d775d AR |
1752 | Kid* kid = TheKids.find(pid); |
1753 | if (kid) { | |
1754 | kid->stop(status); | |
1755 | if (kid->calledExit()) { | |
1756 | syslog(LOG_NOTICE, | |
095ec2b1 AR |
1757 | "Squid Parent: %s process %d exited with status %d", |
1758 | kid->name().termedBuf(), | |
5667a628 | 1759 | kid->getPid(), kid->exitStatus()); |
007d775d AR |
1760 | } else if (kid->signaled()) { |
1761 | syslog(LOG_NOTICE, | |
095ec2b1 AR |
1762 | "Squid Parent: %s process %d exited due to signal %d with status %d", |
1763 | kid->name().termedBuf(), | |
5667a628 | 1764 | kid->getPid(), kid->termSignal(), kid->exitStatus()); |
007d775d | 1765 | } else { |
095ec2b1 AR |
1766 | syslog(LOG_NOTICE, "Squid Parent: %s process %d exited", |
1767 | kid->name().termedBuf(), kid->getPid()); | |
007d775d | 1768 | } |
ca4b9ee6 | 1769 | if (kid->hopeless()) { |
1a98557c | 1770 | syslog(LOG_NOTICE, "Squid Parent: %s process %d will not" |
ca4b9ee6 | 1771 | " be restarted due to repeated, frequent failures", |
1a98557c | 1772 | kid->name().termedBuf(), kid->getPid()); |
ca4b9ee6 | 1773 | } |
007d775d AR |
1774 | } else { |
1775 | syslog(LOG_NOTICE, "Squid Parent: unknown child process %d exited", pid); | |
1776 | } | |
1191b93b | 1777 | #if _SQUID_NEXT_ |
007d775d AR |
1778 | } while ((pid = wait3(&status, WNOHANG, NULL)) > 0); |
1779 | #else | |
5667a628 AR |
1780 | } |
1781 | while ((pid = waitpid(-1, &status, WNOHANG)) > 0); | |
62e76326 | 1782 | #endif |
1783 | ||
ca4b9ee6 | 1784 | if (!TheKids.someRunning() && !TheKids.shouldRestartSome()) { |
520e0073 | 1785 | leave_suid(); |
c011f9bc | 1786 | DeactivateRegistered(rrAfterConfig); |
ea2cdeb6 | 1787 | DeactivateRegistered(rrClaimMemoryNeeds); |
45e8762c | 1788 | DeactivateRegistered(rrFinalizeConfig); |
520e0073 | 1789 | enter_suid(); |
c011f9bc | 1790 | |
ca4b9ee6 DK |
1791 | if (TheKids.someSignaled(SIGINT) || TheKids.someSignaled(SIGTERM)) { |
1792 | syslog(LOG_ALERT, "Exiting due to unexpected forced shutdown"); | |
1793 | exit(1); | |
1794 | } | |
62e76326 | 1795 | |
ca4b9ee6 DK |
1796 | if (TheKids.allHopeless()) { |
1797 | syslog(LOG_ALERT, "Exiting due to repeated, frequent failures"); | |
1798 | exit(1); | |
1799 | } | |
62e76326 | 1800 | |
007d775d AR |
1801 | exit(0); |
1802 | } | |
06a0fbd3 | 1803 | |
62e76326 | 1804 | squid_signal(SIGINT, SIG_DFL, SA_RESTART); |
1805 | sleep(3); | |
f95b8144 | 1806 | } |
62e76326 | 1807 | |
bbe199dc | 1808 | /* NOTREACHED */ |
a50bfe93 | 1809 | #endif /* _SQUID_MSWIN_ */ |
a572d8be | 1810 | |
f95b8144 | 1811 | } |
fff6ad65 | 1812 | |
9ec1a1dc | 1813 | static void |
8ff3fa2e | 1814 | SquidShutdown() |
fff6ad65 | 1815 | { |
d71e4674 AR |
1816 | /* XXX: This function is called after the main loop has quit, which |
1817 | * means that no AsyncCalls would be called, including close handlers. | |
1818 | * TODO: We need to close/shut/free everything that needs calls before | |
1819 | * exiting the loop. | |
26ac0430 | 1820 | */ |
d71e4674 | 1821 | |
6c1962dd | 1822 | #if USE_WIN32_SERVICE |
1823 | WIN32_svcstatusupdate(SERVICE_STOP_PENDING, 10000); | |
1824 | #endif | |
1825 | ||
e0236918 | 1826 | debugs(1, DBG_IMPORTANT, "Shutting down..."); |
95a83c22 | 1827 | dnsShutdown(); |
95d2589c CT |
1828 | #if USE_SSL_CRTD |
1829 | Ssl::Helper::GetInstance()->Shutdown(); | |
1830 | #endif | |
95a83c22 | 1831 | redirectShutdown(); |
1832 | externalAclShutdown(); | |
65d448bc | 1833 | icpClosePorts(); |
d723bf6b | 1834 | #if USE_HTCP |
65d448bc | 1835 | htcpClosePorts(); |
d723bf6b | 1836 | #endif |
59ad6d31 | 1837 | #if SQUID_SNMP |
65d448bc | 1838 | snmpClosePorts(); |
320e9f36 | 1839 | #endif |
eb824054 | 1840 | #if USE_WCCP |
62e76326 | 1841 | |
320e9f36 | 1842 | wccpConnectionClose(); |
d723bf6b | 1843 | #endif |
0b0cfcf2 | 1844 | #if USE_WCCPv2 |
1845 | ||
1846 | wccp2ConnectionClose(); | |
1847 | #endif | |
62e76326 | 1848 | |
fff6ad65 | 1849 | releaseServerSockets(); |
d723bf6b | 1850 | commCloseAllSockets(); |
79039294 AR |
1851 | |
1852 | #if USE_SQUID_ESI | |
1853 | Esi::Clean(); | |
1854 | #endif | |
1855 | ||
9a0a18de | 1856 | #if USE_DELAY_POOLS |
b67e2c8c | 1857 | DelayPools::FreePools(); |
515ec4dc | 1858 | #endif |
2f1431ea | 1859 | #if USE_AUTH |
0bcb6908 | 1860 | authenticateReset(); |
2f1431ea | 1861 | #endif |
6c1962dd | 1862 | #if USE_WIN32_SERVICE |
1863 | ||
1864 | WIN32_svcstatusupdate(SERVICE_STOP_PENDING, 10000); | |
1865 | #endif | |
62e76326 | 1866 | |
c8f4eac4 | 1867 | Store::Root().sync(); /* Flush pending object writes/unlinks */ |
4d075ba0 | 1868 | #if USE_UNLINKD |
1869 | ||
1870 | unlinkdClose(); /* after sync/flush */ | |
1871 | #endif | |
fc68f6b1 | 1872 | |
fff6ad65 | 1873 | storeDirWriteCleanLogs(0); |
1874 | PrintRusage(); | |
1875 | dumpMallocStats(); | |
c8f4eac4 | 1876 | Store::Root().sync(); /* Flush log writes */ |
fff6ad65 | 1877 | storeLogClose(); |
1878 | accessLogClose(); | |
c8f4eac4 | 1879 | Store::Root().sync(); /* Flush log close */ |
59b2d47f | 1880 | StoreFileSystem::FreeAllFs(); |
b9ae18aa | 1881 | DiskIOModule::FreeAllModules(); |
c011f9bc | 1882 | DeactivateRegistered(rrAfterConfig); |
ea2cdeb6 | 1883 | DeactivateRegistered(rrClaimMemoryNeeds); |
45e8762c | 1884 | DeactivateRegistered(rrFinalizeConfig); |
afec404b | 1885 | #if LEAK_CHECK_MODE && 0 /* doesn't work at the moment */ |
62e76326 | 1886 | |
fff6ad65 | 1887 | configFreeMemory(); |
1888 | storeFreeMemory(); | |
33ab18e8 | 1889 | /*stmemFreeMemory(); */ |
fff6ad65 | 1890 | netdbFreeMemory(); |
1891 | ipcacheFreeMemory(); | |
1892 | fqdncacheFreeMemory(); | |
1893 | asnFreeMemory(); | |
26a369ba | 1894 | clientdbFreeMemory(); |
7021844c | 1895 | httpHeaderCleanModule(); |
d2db411c | 1896 | statFreeMemory(); |
f1fc2a8d | 1897 | eventFreeMemory(); |
c68e9c6b | 1898 | mimeFreeMemory(); |
1899 | errorClean(); | |
fff6ad65 | 1900 | #endif |
26a369ba | 1901 | #if !XMALLOC_TRACE |
62e76326 | 1902 | |
54f742e7 | 1903 | if (opt_no_daemon) { |
62e76326 | 1904 | file_close(0); |
1905 | file_close(1); | |
1906 | file_close(2); | |
54f742e7 | 1907 | } |
62e76326 | 1908 | |
33ab18e8 | 1909 | #endif |
57fc379e CT |
1910 | // clear StoreController |
1911 | Store::Root(NULL); | |
1912 | ||
fff6ad65 | 1913 | fdDumpOpen(); |
62e76326 | 1914 | |
236d1779 | 1915 | comm_exit(); |
62e76326 | 1916 | |
ddb43c58 | 1917 | memClean(); |
62e76326 | 1918 | |
33ab18e8 | 1919 | #if XMALLOC_TRACE |
62e76326 | 1920 | |
26a369ba | 1921 | xmalloc_find_leaks(); |
62e76326 | 1922 | |
fa84c01d | 1923 | debugs(1, DBG_CRITICAL, "Memory used after shutdown: " << xmalloc_total); |
62e76326 | 1924 | |
33ab18e8 | 1925 | #endif |
36a97e19 | 1926 | #if MEM_GEN_TRACE |
62e76326 | 1927 | |
399e85ea | 1928 | log_trace_done(); |
62e76326 | 1929 | |
36a97e19 | 1930 | #endif |
62e76326 | 1931 | |
7de94c8c | 1932 | if (IamPrimaryProcess()) { |
a2c48c98 AR |
1933 | if (Config.pidFilename && strcmp(Config.pidFilename, "none") != 0) { |
1934 | enter_suid(); | |
1935 | safeunlink(Config.pidFilename, 0); | |
1936 | leave_suid(); | |
1937 | } | |
ab50ee9e | 1938 | } |
62e76326 | 1939 | |
e0236918 | 1940 | debugs(1, DBG_IMPORTANT, "Squid Cache (Version " << version_string << "): Exiting normally."); |
62e76326 | 1941 | |
0cfa98cb | 1942 | /* |
1943 | * DPW 2006-10-23 | |
1944 | * We used to fclose(debug_log) here if it was set, but then | |
1945 | * we forgot to set it to NULL. That caused some coredumps | |
1946 | * because exit() ends up calling a bunch of destructors and | |
1947 | * such. So rather than forcing the debug_log to close, we'll | |
1948 | * leave it open so that those destructors can write some | |
1949 | * debugging if necessary. The file will be closed anyway when | |
1950 | * the process truly exits. | |
1951 | */ | |
62e76326 | 1952 | |
ae1feb30 | 1953 | exit(shutdown_status); |
fff6ad65 | 1954 | } |
bef81ea5 | 1955 |