code.delx.au - pulseaudio/blob - src/daemon/main.c

   1 /* $Id$ */
   2
   3 /***
   4   This file is part of PulseAudio.
   5
   6   Copyright 2004-2006 Lennart Poettering
   7   Copyright 2006 Pierre Ossman <ossman@cendio.se> for Cendio AB
   8
   9   PulseAudio is free software; you can redistribute it and/or modify
  10   it under the terms of the GNU Lesser General Public License as published
  11   by the Free Software Foundation; either version 2 of the License,
  12   or (at your option) any later version.
  13
  14   PulseAudio is distributed in the hope that it will be useful, but
  15   WITHOUT ANY WARRANTY; without even the implied warranty of
  16   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  17   General Public License for more details.
  18
  19   You should have received a copy of the GNU Lesser General Public License
  20   along with PulseAudio; if not, write to the Free Software
  21   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  22   USA.
  23 ***/
  24
  25 #ifdef HAVE_CONFIG_H
  26 #include <config.h>
  27 #endif
  28
  29 #include <unistd.h>
  30 #include <errno.h>
  31 #include <string.h>
  32 #include <stdlib.h>
  33 #include <stdio.h>
  34 #include <signal.h>
  35 #include <stddef.h>
  36 #include <ltdl.h>
  37 #include <limits.h>
  38 #include <fcntl.h>
  39 #include <unistd.h>
  40 #include <locale.h>
  41 #include <sys/types.h>
  42
  43 #include <liboil/liboil.h>
  44
  45 #ifdef HAVE_SYS_IOCTL_H
  46 #include <sys/ioctl.h>
  47 #endif
  48
  49 #ifdef HAVE_PWD_H
  50 #include <pwd.h>
  51 #endif
  52 #ifdef HAVE_GRP_H
  53 #include <grp.h>
  54 #endif
  55
  56 #ifdef HAVE_LIBWRAP
  57 #include <syslog.h>
  58 #include <tcpd.h>
  59 #endif
  60
  61 #include <pulse/mainloop.h>
  62 #include <pulse/mainloop-signal.h>
  63 #include <pulse/timeval.h>
  64 #include <pulse/xmalloc.h>
  65
  66 #include <pulsecore/winsock.h>
  67 #include <pulsecore/core-error.h>
  68 #include <pulsecore/core.h>
  69 #include <pulsecore/memblock.h>
  70 #include <pulsecore/module.h>
  71 #include <pulsecore/cli-command.h>
  72 #include <pulsecore/log.h>
  73 #include <pulsecore/core-util.h>
  74 #include <pulsecore/sioman.h>
  75 #include <pulsecore/cli-text.h>
  76 #include <pulsecore/pid.h>
  77 #include <pulsecore/namereg.h>
  78 #include <pulsecore/random.h>
  79 #include <pulsecore/rtsig.h>
  80 #include <pulsecore/rtclock.h>
  81 #include <pulsecore/macro.h>
  82 #include <pulsecore/mutex.h>
  83 #include <pulsecore/thread.h>
  84 #include <pulsecore/once.h>
  85 #include <pulsecore/shm.h>
  86
  87 #include "cmdline.h"
  88 #include "cpulimit.h"
  89 #include "daemon-conf.h"
  90 #include "dumpmodules.h"
  91 #include "caps.h"
  92
  93 #ifdef HAVE_LIBWRAP
  94 /* Only one instance of these variables */
  95 int allow_severity = LOG_INFO;
  96 int deny_severity = LOG_WARNING;
  97 #endif
  98
  99 #ifdef HAVE_OSS
 100 /* padsp looks for this symbol in the running process and disables
 101  * itself if it finds it and it is set to 7 (which is actually a bit
 102  * mask). For details see padsp. */
 103 int __padsp_disabled__ = 7;
 104 #endif
 105
 106 #ifdef OS_IS_WIN32
 107
 108 static void message_cb(pa_mainloop_api*a, pa_time_event*e, PA_GCC_UNUSED const struct timeval *tv, void *userdata) {
 109     MSG msg;
 110     struct timeval tvnext;
 111
 112     while(PeekMessage(&msg, NULL, 0, 0, PM_REMOVE)) {
 113         if (msg.message == WM_QUIT)
 114             raise(SIGTERM);
 115         else {
 116             TranslateMessage(&msg);
 117             DispatchMessage(&msg);
 118         }
 119     }
 120
 121     pa_timeval_add(pa_gettimeofday(&tvnext), 100000);
 122     a->time_restart(e, &tvnext);
 123 }
 124
 125 #endif
 126
 127 static void signal_callback(pa_mainloop_api*m, PA_GCC_UNUSED pa_signal_event *e, int sig, void *userdata) {
 128     pa_log_info("Got signal %s.", pa_strsignal(sig));
 129
 130     switch (sig) {
 131 #ifdef SIGUSR1
 132         case SIGUSR1:
 133             pa_module_load(userdata, "module-cli", NULL);
 134             break;
 135 #endif
 136
 137 #ifdef SIGUSR2
 138         case SIGUSR2:
 139             pa_module_load(userdata, "module-cli-protocol-unix", NULL);
 140             break;
 141 #endif
 142
 143 #ifdef SIGHUP
 144         case SIGHUP: {
 145             char *c = pa_full_status_string(userdata);
 146             pa_log_notice("%s", c);
 147             pa_xfree(c);
 148             return;
 149         }
 150 #endif
 151
 152         case SIGINT:
 153         case SIGTERM:
 154         default:
 155             pa_log_info("Exiting.");
 156             m->quit(m, 1);
 157             break;
 158     }
 159 }
 160
 161 static void close_pipe(int p[2]) {
 162     if (p[0] != -1)
 163         close(p[0]);
 164     if (p[1] != -1)
 165         close(p[1]);
 166     p[0] = p[1] = -1;
 167 }
 168
 169 #define set_env(key, value) putenv(pa_sprintf_malloc("%s=%s", (key), (value)))
 170
 171 #if defined(HAVE_PWD_H) && defined(HAVE_GRP_H)
 172
 173 static int change_user(void) {
 174     struct passwd *pw;
 175     struct group * gr;
 176     int r;
 177
 178     /* This function is called only in system-wide mode. It creates a
 179      * runtime dir in /var/run/ with proper UID/GID and drops privs
 180      * afterwards. */
 181
 182     if (!(pw = getpwnam(PA_SYSTEM_USER))) {
 183         pa_log("Failed to find user '%s'.", PA_SYSTEM_USER);
 184         return -1;
 185     }
 186
 187     if (!(gr = getgrnam(PA_SYSTEM_GROUP))) {
 188         pa_log("Failed to find group '%s'.", PA_SYSTEM_GROUP);
 189         return -1;
 190     }
 191
 192     pa_log_info("Found user '%s' (UID %lu) and group '%s' (GID %lu).",
 193                 PA_SYSTEM_USER, (unsigned long) pw->pw_uid,
 194                 PA_SYSTEM_GROUP, (unsigned long) gr->gr_gid);
 195
 196     if (pw->pw_gid != gr->gr_gid) {
 197         pa_log("GID of user '%s' and of group '%s' don't match.", PA_SYSTEM_USER, PA_SYSTEM_GROUP);
 198         return -1;
 199     }
 200
 201     if (strcmp(pw->pw_dir, PA_SYSTEM_RUNTIME_PATH) != 0)
 202         pa_log_warn("Warning: home directory of user '%s' is not '%s', ignoring.", PA_SYSTEM_USER, PA_SYSTEM_RUNTIME_PATH);
 203
 204     if (pa_make_secure_dir(PA_SYSTEM_RUNTIME_PATH, 0755, pw->pw_uid, gr->gr_gid) < 0) {
 205         pa_log("Failed to create '%s': %s", PA_SYSTEM_RUNTIME_PATH, pa_cstrerror(errno));
 206         return -1;
 207     }
 208
 209     if (initgroups(PA_SYSTEM_USER, gr->gr_gid) != 0) {
 210         pa_log("Failed to change group list: %s", pa_cstrerror(errno));
 211         return -1;
 212     }
 213
 214 #if defined(HAVE_SETRESGID)
 215     r = setresgid(gr->gr_gid, gr->gr_gid, gr->gr_gid);
 216 #elif defined(HAVE_SETEGID)
 217     if ((r = setgid(gr->gr_gid)) >= 0)
 218         r = setegid(gr->gr_gid);
 219 #elif defined(HAVE_SETREGID)
 220     r = setregid(gr->gr_gid, gr->gr_gid);
 221 #else
 222 #error "No API to drop priviliges"
 223 #endif
 224
 225     if (r < 0) {
 226         pa_log("Failed to change GID: %s", pa_cstrerror(errno));
 227         return -1;
 228     }
 229
 230 #if defined(HAVE_SETRESUID)
 231     r = setresuid(pw->pw_uid, pw->pw_uid, pw->pw_uid);
 232 #elif defined(HAVE_SETEUID)
 233     if ((r = setuid(pw->pw_uid)) >= 0)
 234         r = seteuid(pw->pw_uid);
 235 #elif defined(HAVE_SETREUID)
 236     r = setreuid(pw->pw_uid, pw->pw_uid);
 237 #else
 238 #error "No API to drop priviliges"
 239 #endif
 240
 241     if (r < 0) {
 242         pa_log("Failed to change UID: %s", pa_cstrerror(errno));
 243         return -1;
 244     }
 245
 246     set_env("USER", PA_SYSTEM_USER);
 247     set_env("LOGNAME", PA_SYSTEM_GROUP);
 248     set_env("HOME", PA_SYSTEM_RUNTIME_PATH);
 249
 250     /* Relevant for pa_runtime_path() */
 251     set_env("PULSE_RUNTIME_PATH", PA_SYSTEM_RUNTIME_PATH);
 252     set_env("PULSE_CONFIG_PATH", PA_SYSTEM_RUNTIME_PATH);
 253
 254     pa_log_info("Successfully dropped root privileges.");
 255
 256     return 0;
 257 }
 258
 259 #else /* HAVE_PWD_H && HAVE_GRP_H */
 260
 261 static int change_user(void) {
 262     pa_log("System wide mode unsupported on this platform.");
 263     return -1;
 264 }
 265
 266 #endif /* HAVE_PWD_H && HAVE_GRP_H */
 267
 268 static int create_runtime_dir(void) {
 269     char fn[PATH_MAX];
 270
 271     pa_runtime_path(NULL, fn, sizeof(fn));
 272
 273     /* This function is called only when the daemon is started in
 274      * per-user mode. We create the runtime directory somewhere in
 275      * /tmp/ with the current UID/GID */
 276
 277     if (pa_make_secure_dir(fn, 0700, (uid_t)-1, (gid_t)-1) < 0) {
 278         pa_log("Failed to create '%s': %s", fn, pa_cstrerror(errno));
 279         return -1;
 280     }
 281
 282     return 0;
 283 }
 284
 285 #ifdef HAVE_SYS_RESOURCE_H
 286
 287 static void set_one_rlimit(const pa_rlimit *r, int resource, const char *name) {
 288     struct rlimit rl;
 289     pa_assert(r);
 290
 291     if (!r->is_set)
 292         return;
 293
 294     rl.rlim_cur = rl.rlim_max = r->value;
 295
 296     if (setrlimit(resource, &rl) < 0)
 297         pa_log_warn("setrlimit(%s, (%u, %u)) failed: %s", name, (unsigned) r->value, (unsigned) r->value, pa_cstrerror(errno));
 298 }
 299
 300 static void set_all_rlimits(const pa_daemon_conf *conf) {
 301     set_one_rlimit(&conf->rlimit_as, RLIMIT_AS, "RLIMIT_AS");
 302     set_one_rlimit(&conf->rlimit_core, RLIMIT_CORE, "RLIMIT_CORE");
 303     set_one_rlimit(&conf->rlimit_data, RLIMIT_DATA, "RLIMIT_DATA");
 304     set_one_rlimit(&conf->rlimit_fsize, RLIMIT_FSIZE, "RLIMIT_FSIZE");
 305     set_one_rlimit(&conf->rlimit_nofile, RLIMIT_NOFILE, "RLIMIT_NOFILE");
 306     set_one_rlimit(&conf->rlimit_stack, RLIMIT_STACK, "RLIMIT_STACK");
 307 #ifdef RLIMIT_NPROC
 308     set_one_rlimit(&conf->rlimit_nproc, RLIMIT_NPROC, "RLIMIT_NPROC");
 309 #endif
 310 #ifdef RLIMIT_MEMLOCK
 311     set_one_rlimit(&conf->rlimit_memlock, RLIMIT_MEMLOCK, "RLIMIT_MEMLOCK");
 312 #endif
 313 }
 314 #endif
 315
 316 static pa_mutex *libtool_mutex = NULL;
 317
 318 static void libtool_lock(void) {
 319     pa_mutex_lock(libtool_mutex);
 320 }
 321
 322 static void libtool_unlock(void) {
 323     pa_mutex_unlock(libtool_mutex);
 324 }
 325
 326 PA_STATIC_TLS_DECLARE_NO_FREE(libtool_tls);
 327
 328 static void libtool_set_error(const char * error) {
 329     PA_STATIC_TLS_SET(libtool_tls, (char*) error);
 330 }
 331
 332 static const char *libtool_get_error(void) {
 333     return PA_STATIC_TLS_GET(libtool_tls);
 334 }
 335
 336 static void libtool_init(void)  {
 337     pa_assert_se(libtool_mutex = pa_mutex_new(1));
 338     pa_assert_se(lt_dlmutex_register(libtool_lock, libtool_unlock, libtool_set_error, libtool_get_error) == 0);
 339     pa_assert_se(lt_dlinit() == 0);
 340 }
 341
 342 static void libtool_done(void) {
 343     pa_assert_se(lt_dlexit() == 0);
 344     pa_mutex_free(libtool_mutex);
 345     libtool_mutex = NULL;
 346 }
 347
 348 int main(int argc, char *argv[]) {
 349     pa_core *c = NULL;
 350     pa_strbuf *buf = NULL;
 351     pa_daemon_conf *conf = NULL;
 352     pa_mainloop *mainloop = NULL;
 353
 354     char *s;
 355     int r, retval = 1, d = 0;
 356     int daemon_pipe[2] = { -1, -1 };
 357     int suid_root, real_root;
 358     int valid_pid_file = 0;
 359
 360     gid_t gid = (gid_t) -1;
 361
 362 #ifdef OS_IS_WIN32
 363     pa_time_event *timer;
 364     struct timeval tv;
 365 #endif
 366
 367 #ifdef HAVE_GETUID
 368     real_root = getuid() == 0;
 369     suid_root = !real_root && geteuid() == 0;
 370 #else
 371     real_root = 0;
 372     suid_root = 0;
 373 #endif
 374
 375     if (suid_root) {
 376         /* Drop all capabilities except CAP_SYS_NICE  */
 377         pa_limit_caps();
 378
 379         /* Drop priviliges, but keep CAP_SYS_NICE */
 380         pa_drop_root();
 381
 382         /* After dropping root, the effective set is reset, hence,
 383          * let's raise it again */
 384         pa_limit_caps();
 385
 386         /* When capabilities are not supported we will not be able to
 387          * aquire RT sched anymore. But yes, that's the way it is. It
 388          * is just too risky tun let PA run as root all the time. */
 389     }
 390
 391     setlocale(LC_ALL, "");
 392
 393     if (suid_root && (pa_own_uid_in_group(PA_REALTIME_GROUP, &gid) <= 0)) {
 394         pa_log_info("Warning: Called SUID root, but not in group '"PA_REALTIME_GROUP"'. "
 395                     "For enabling real-time scheduling please become a member of '"PA_REALTIME_GROUP"' , or increase the RLIMIT_RTPRIO user limit.");
 396         pa_drop_caps();
 397         pa_drop_root();
 398         suid_root = real_root = 0;
 399     }
 400
 401     LTDL_SET_PRELOADED_SYMBOLS();
 402
 403     libtool_init();
 404
 405 #ifdef OS_IS_WIN32
 406     {
 407         WSADATA data;
 408         WSAStartup(MAKEWORD(2, 0), &data);
 409     }
 410 #endif
 411
 412     pa_random_seed();
 413
 414     pa_log_set_ident("pulseaudio");
 415
 416     conf = pa_daemon_conf_new();
 417
 418     if (pa_daemon_conf_load(conf, NULL) < 0)
 419         goto finish;
 420
 421     if (pa_daemon_conf_env(conf) < 0)
 422         goto finish;
 423
 424     if (pa_cmdline_parse(conf, argc, argv, &d) < 0) {
 425         pa_log("failed to parse command line.");
 426         goto finish;
 427     }
 428
 429     pa_log_set_maximal_level(conf->log_level);
 430     pa_log_set_target(conf->auto_log_target ? PA_LOG_STDERR : conf->log_target, NULL);
 431
 432     if (conf->high_priority && conf->cmd == PA_CMD_DAEMON)
 433         pa_raise_priority();
 434
 435     if (suid_root && (conf->cmd != PA_CMD_DAEMON || !conf->high_priority)) {
 436         pa_drop_caps();
 437         pa_drop_root();
 438     }
 439
 440     if (conf->dl_search_path)
 441         lt_dlsetsearchpath(conf->dl_search_path);
 442
 443     switch (conf->cmd) {
 444         case PA_CMD_DUMP_MODULES:
 445             pa_dump_modules(conf, argc-d, argv+d);
 446             retval = 0;
 447             goto finish;
 448
 449         case PA_CMD_DUMP_CONF: {
 450             s = pa_daemon_conf_dump(conf);
 451             fputs(s, stdout);
 452             pa_xfree(s);
 453             retval = 0;
 454             goto finish;
 455         }
 456
 457         case PA_CMD_DUMP_RESAMPLE_METHODS: {
 458             int i;
 459
 460             for (i = 0; i < PA_RESAMPLER_MAX; i++)
 461                 if (pa_resample_method_supported(i))
 462                     printf("%s\n", pa_resample_method_to_string(i));
 463
 464             goto finish;
 465         }
 466
 467         case PA_CMD_HELP :
 468             pa_cmdline_help(argv[0]);
 469             retval = 0;
 470             goto finish;
 471
 472         case PA_CMD_VERSION :
 473             printf(PACKAGE_NAME" "PACKAGE_VERSION"\n");
 474             retval = 0;
 475             goto finish;
 476
 477         case PA_CMD_CHECK: {
 478             pid_t pid;
 479
 480             if (pa_pid_file_check_running(&pid) < 0) {
 481                 pa_log_info("daemon not running");
 482             } else {
 483                 pa_log_info("daemon running as PID %u", pid);
 484                 retval = 0;
 485             }
 486
 487             goto finish;
 488
 489         }
 490         case PA_CMD_KILL:
 491
 492             if (pa_pid_file_kill(SIGINT, NULL) < 0)
 493                 pa_log("failed to kill daemon.");
 494             else
 495                 retval = 0;
 496
 497             goto finish;
 498
 499         case PA_CMD_CLEANUP_SHM:
 500
 501             if (pa_shm_cleanup() >= 0)
 502                 retval = 0;
 503
 504             goto finish;
 505
 506         default:
 507             pa_assert(conf->cmd == PA_CMD_DAEMON);
 508     }
 509
 510     if (real_root && !conf->system_instance) {
 511         pa_log_warn("This program is not intended to be run as root (unless --system is specified).");
 512     } else if (!real_root && conf->system_instance) {
 513         pa_log("Root priviliges required.");
 514         goto finish;
 515     }
 516
 517     if (conf->daemonize) {
 518         pid_t child;
 519         int tty_fd;
 520
 521         if (pa_stdio_acquire() < 0) {
 522             pa_log("failed to acquire stdio.");
 523             goto finish;
 524         }
 525
 526 #ifdef HAVE_FORK
 527         if (pipe(daemon_pipe) < 0) {
 528             pa_log("failed to create pipe.");
 529             goto finish;
 530         }
 531
 532         if ((child = fork()) < 0) {
 533             pa_log("fork() failed: %s", pa_cstrerror(errno));
 534             goto finish;
 535         }
 536
 537         if (child != 0) {
 538             /* Father */
 539
 540             close(daemon_pipe[1]);
 541             daemon_pipe[1] = -1;
 542
 543             if (pa_loop_read(daemon_pipe[0], &retval, sizeof(retval), NULL) != sizeof(retval)) {
 544                 pa_log("read() failed: %s", pa_cstrerror(errno));
 545                 retval = 1;
 546             }
 547
 548             if (retval)
 549                 pa_log("daemon startup failed.");
 550             else
 551                 pa_log_info("daemon startup successful.");
 552
 553             goto finish;
 554         }
 555
 556         close(daemon_pipe[0]);
 557         daemon_pipe[0] = -1;
 558 #endif
 559
 560         if (conf->auto_log_target)
 561             pa_log_set_target(PA_LOG_SYSLOG, NULL);
 562
 563 #ifdef HAVE_SETSID
 564         setsid();
 565 #endif
 566 #ifdef HAVE_SETPGID
 567         setpgid(0,0);
 568 #endif
 569
 570 #ifndef OS_IS_WIN32
 571         close(0);
 572         close(1);
 573         close(2);
 574
 575         open("/dev/null", O_RDONLY);
 576         open("/dev/null", O_WRONLY);
 577         open("/dev/null", O_WRONLY);
 578 #else
 579         FreeConsole();
 580 #endif
 581
 582 #ifdef SIGTTOU
 583         signal(SIGTTOU, SIG_IGN);
 584 #endif
 585 #ifdef SIGTTIN
 586         signal(SIGTTIN, SIG_IGN);
 587 #endif
 588 #ifdef SIGTSTP
 589         signal(SIGTSTP, SIG_IGN);
 590 #endif
 591
 592 #ifdef TIOCNOTTY
 593         if ((tty_fd = open("/dev/tty", O_RDWR)) >= 0) {
 594             ioctl(tty_fd, TIOCNOTTY, (char*) 0);
 595             close(tty_fd);
 596         }
 597 #endif
 598     }
 599
 600     pa_assert_se(chdir("/") == 0);
 601     umask(0022);
 602
 603     if (conf->system_instance) {
 604         if (change_user() < 0)
 605             goto finish;
 606     } else if (create_runtime_dir() < 0)
 607         goto finish;
 608
 609     if (conf->use_pid_file) {
 610         if (pa_pid_file_create() < 0) {
 611             pa_log("pa_pid_file_create() failed.");
 612 #ifdef HAVE_FORK
 613             if (conf->daemonize)
 614                 pa_loop_write(daemon_pipe[1], &retval, sizeof(retval), NULL);
 615 #endif
 616             goto finish;
 617         }
 618
 619         valid_pid_file = 1;
 620     }
 621
 622 #ifdef HAVE_SYS_RESOURCE_H
 623     set_all_rlimits(conf);
 624 #endif
 625
 626 #ifdef SIGPIPE
 627     signal(SIGPIPE, SIG_IGN);
 628 #endif
 629
 630     pa_log_info("Page size is %lu bytes", (unsigned long) PA_PAGE_SIZE);
 631
 632     if (pa_rtclock_hrtimer())
 633         pa_log_info("Fresh high-resolution timers available! Bon appetit!");
 634     else
 635         pa_log_info("Dude, your kernel stinks! The chef's recommendation today is Linux with high-resolution timers enabled!");
 636
 637     pa_rtsig_configure(SIGRTMIN+10, SIGRTMAX);
 638
 639     pa_assert_se(mainloop = pa_mainloop_new());
 640
 641     if (!(c = pa_core_new(pa_mainloop_get_api(mainloop), !conf->disable_shm))) {
 642         pa_log("pa_core_new() failed.");
 643         goto finish;
 644     }
 645
 646     c->is_system_instance = !!conf->system_instance;
 647     c->high_priority = !!conf->high_priority;
 648     c->default_sample_spec = conf->default_sample_spec;
 649     c->default_n_fragments = conf->default_n_fragments;
 650     c->default_fragment_size_msec = conf->default_fragment_size_msec;
 651     c->disallow_module_loading = conf->disallow_module_loading;
 652     c->exit_idle_time = conf->exit_idle_time;
 653     c->module_idle_time = conf->module_idle_time;
 654     c->scache_idle_time = conf->scache_idle_time;
 655     c->resample_method = conf->resample_method;
 656
 657     pa_assert_se(pa_signal_init(pa_mainloop_get_api(mainloop)) == 0);
 658     pa_signal_new(SIGINT, signal_callback, c);
 659     pa_signal_new(SIGTERM, signal_callback, c);
 660
 661 #ifdef SIGUSR1
 662     pa_signal_new(SIGUSR1, signal_callback, c);
 663 #endif
 664 #ifdef SIGUSR2
 665     pa_signal_new(SIGUSR2, signal_callback, c);
 666 #endif
 667 #ifdef SIGHUP
 668     pa_signal_new(SIGHUP, signal_callback, c);
 669 #endif
 670
 671 #ifdef OS_IS_WIN32
 672     pa_assert_se(timer = pa_mainloop_get_api(mainloop)->time_new(pa_mainloop_get_api(mainloop), pa_gettimeofday(&tv), message_cb, NULL));
 673 #endif
 674
 675     if (conf->daemonize)
 676         c->running_as_daemon = 1;
 677
 678     oil_init();
 679
 680     if (!conf->no_cpu_limit)
 681         pa_assert_se(pa_cpu_limit_init(pa_mainloop_get_api(mainloop)) == 0);
 682
 683     buf = pa_strbuf_new();
 684     if (conf->default_script_file)
 685         r = pa_cli_command_execute_file(c, conf->default_script_file, buf, &conf->fail);
 686
 687     if (r >= 0)
 688         r = pa_cli_command_execute(c, conf->script_commands, buf, &conf->fail);
 689     pa_log_error("%s", s = pa_strbuf_tostring_free(buf));
 690     pa_xfree(s);
 691
 692     if (r < 0 && conf->fail) {
 693         pa_log("failed to initialize daemon.");
 694 #ifdef HAVE_FORK
 695         if (conf->daemonize)
 696             pa_loop_write(daemon_pipe[1], &retval, sizeof(retval), NULL);
 697 #endif
 698     } else if (!c->modules || pa_idxset_size(c->modules) == 0) {
 699         pa_log("daemon startup without any loaded modules, refusing to work.");
 700 #ifdef HAVE_FORK
 701         if (conf->daemonize)
 702             pa_loop_write(daemon_pipe[1], &retval, sizeof(retval), NULL);
 703 #endif
 704     } else {
 705
 706         retval = 0;
 707 #ifdef HAVE_FORK
 708         if (conf->daemonize)
 709             pa_loop_write(daemon_pipe[1], &retval, sizeof(retval), NULL);
 710 #endif
 711
 712         if (c->default_sink_name &&
 713             pa_namereg_get(c, c->default_sink_name, PA_NAMEREG_SINK, 1) == NULL) {
 714             pa_log_error("%s : Fatal error. Default sink name (%s) does not exist in name register.", __FILE__, c->default_sink_name);
 715             retval = 1;
 716         } else {
 717             pa_log_info("Daemon startup complete.");
 718             if (pa_mainloop_run(mainloop, &retval) < 0)
 719                 retval = 1;
 720             pa_log_info("Daemon shutdown initiated.");
 721         }
 722     }
 723
 724 #ifdef OS_IS_WIN32
 725     pa_mainloop_get_api(mainloop)->time_free(timer);
 726 #endif
 727
 728     pa_core_unref(c);
 729
 730     if (!conf->no_cpu_limit)
 731         pa_cpu_limit_done();
 732
 733     pa_signal_done();
 734
 735     pa_log_info("Daemon terminated.");
 736
 737 finish:
 738
 739     if (mainloop)
 740         pa_mainloop_free(mainloop);
 741
 742     if (conf)
 743         pa_daemon_conf_free(conf);
 744
 745     if (valid_pid_file)
 746         pa_pid_file_remove();
 747
 748     close_pipe(daemon_pipe);
 749
 750 #ifdef OS_IS_WIN32
 751     WSACleanup();
 752 #endif
 753
 754     libtool_done();
 755
 756     return retval;
 757 }