2 This file is part of PulseAudio.
4 Copyright 2004-2006 Lennart Poettering
5 Copyright 2006 Pierre Ossman <ossman@cendio.se> for Cendio AB
7 PulseAudio is free software; you can redistribute it and/or modify
8 it under the terms of the GNU Lesser General Public License as published
9 by the Free Software Foundation; either version 2 of the License,
10 or (at your option) any later version.
12 PulseAudio is distributed in the hope that it will be useful, but
13 WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 General Public License for more details.
17 You should have received a copy of the GNU Lesser General Public License
18 along with PulseAudio; if not, write to the Free Software
19 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
39 #include <sys/types.h>
41 #include <liboil/liboil.h>
43 #ifdef HAVE_SYS_IOCTL_H
44 #include <sys/ioctl.h>
60 #include <dbus/dbus.h>
63 #include <pulse/mainloop.h>
64 #include <pulse/mainloop-signal.h>
65 #include <pulse/timeval.h>
66 #include <pulse/xmalloc.h>
67 #include <pulse/i18n.h>
68 #include <pulse/lock-autospawn.h>
70 #include <pulsecore/winsock.h>
71 #include <pulsecore/core-error.h>
72 #include <pulsecore/core.h>
73 #include <pulsecore/memblock.h>
74 #include <pulsecore/module.h>
75 #include <pulsecore/cli-command.h>
76 #include <pulsecore/log.h>
77 #include <pulsecore/core-util.h>
78 #include <pulsecore/sioman.h>
79 #include <pulsecore/cli-text.h>
80 #include <pulsecore/pid.h>
81 #include <pulsecore/namereg.h>
82 #include <pulsecore/random.h>
83 #include <pulsecore/rtsig.h>
84 #include <pulsecore/rtclock.h>
85 #include <pulsecore/macro.h>
86 #include <pulsecore/mutex.h>
87 #include <pulsecore/thread.h>
88 #include <pulsecore/once.h>
89 #include <pulsecore/shm.h>
93 #include "daemon-conf.h"
94 #include "dumpmodules.h"
96 #include "ltdl-bind-now.h"
100 /* Only one instance of these variables */
101 int allow_severity
= LOG_INFO
;
102 int deny_severity
= LOG_WARNING
;
106 /* padsp looks for this symbol in the running process and disables
107 * itself if it finds it and it is set to 7 (which is actually a bit
108 * mask). For details see padsp. */
109 int __padsp_disabled__
= 7;
114 static void message_cb(pa_mainloop_api
*a
, pa_time_event
*e
, const struct timeval
*tv
, void *userdata
) {
116 struct timeval tvnext
;
118 while (PeekMessage(&msg
, NULL
, 0, 0, PM_REMOVE
)) {
119 if (msg
.message
== WM_QUIT
)
122 TranslateMessage(&msg
);
123 DispatchMessage(&msg
);
127 pa_timeval_add(pa_gettimeofday(&tvnext
), 100000);
128 a
->time_restart(e
, &tvnext
);
133 static void signal_callback(pa_mainloop_api
*m
, pa_signal_event
*e
, int sig
, void *userdata
) {
134 pa_log_info(_("Got signal %s."), pa_sig2str(sig
));
139 pa_module_load(userdata
, "module-cli", NULL
);
145 pa_module_load(userdata
, "module-cli-protocol-unix", NULL
);
151 char *c
= pa_full_status_string(userdata
);
152 pa_log_notice("%s", c
);
161 pa_log_info(_("Exiting."));
167 #if defined(HAVE_PWD_H) && defined(HAVE_GRP_H)
169 static int change_user(void) {
174 /* This function is called only in system-wide mode. It creates a
175 * runtime dir in /var/run/ with proper UID/GID and drops privs
178 if (!(pw
= getpwnam(PA_SYSTEM_USER
))) {
179 pa_log(_("Failed to find user '%s'."), PA_SYSTEM_USER
);
183 if (!(gr
= getgrnam(PA_SYSTEM_GROUP
))) {
184 pa_log(_("Failed to find group '%s'."), PA_SYSTEM_GROUP
);
188 pa_log_info(_("Found user '%s' (UID %lu) and group '%s' (GID %lu)."),
189 PA_SYSTEM_USER
, (unsigned long) pw
->pw_uid
,
190 PA_SYSTEM_GROUP
, (unsigned long) gr
->gr_gid
);
192 if (pw
->pw_gid
!= gr
->gr_gid
) {
193 pa_log(_("GID of user '%s' and of group '%s' don't match."), PA_SYSTEM_USER
, PA_SYSTEM_GROUP
);
197 if (strcmp(pw
->pw_dir
, PA_SYSTEM_RUNTIME_PATH
) != 0)
198 pa_log_warn(_("Home directory of user '%s' is not '%s', ignoring."), PA_SYSTEM_USER
, PA_SYSTEM_RUNTIME_PATH
);
200 if (pa_make_secure_dir(PA_SYSTEM_RUNTIME_PATH
, 0755, pw
->pw_uid
, gr
->gr_gid
) < 0) {
201 pa_log(_("Failed to create '%s': %s"), PA_SYSTEM_RUNTIME_PATH
, pa_cstrerror(errno
));
205 if (pa_make_secure_dir(PA_SYSTEM_STATE_PATH
, 0700, pw
->pw_uid
, gr
->gr_gid
) < 0) {
206 pa_log(_("Failed to create '%s': %s"), PA_SYSTEM_STATE_PATH
, pa_cstrerror(errno
));
210 /* We don't create the config dir here, because we don't need to write to it */
212 if (initgroups(PA_SYSTEM_USER
, gr
->gr_gid
) != 0) {
213 pa_log(_("Failed to change group list: %s"), pa_cstrerror(errno
));
217 #if defined(HAVE_SETRESGID)
218 r
= setresgid(gr
->gr_gid
, gr
->gr_gid
, gr
->gr_gid
);
219 #elif defined(HAVE_SETEGID)
220 if ((r
= setgid(gr
->gr_gid
)) >= 0)
221 r
= setegid(gr
->gr_gid
);
222 #elif defined(HAVE_SETREGID)
223 r
= setregid(gr
->gr_gid
, gr
->gr_gid
);
225 #error "No API to drop priviliges"
229 pa_log(_("Failed to change GID: %s"), pa_cstrerror(errno
));
233 #if defined(HAVE_SETRESUID)
234 r
= setresuid(pw
->pw_uid
, pw
->pw_uid
, pw
->pw_uid
);
235 #elif defined(HAVE_SETEUID)
236 if ((r
= setuid(pw
->pw_uid
)) >= 0)
237 r
= seteuid(pw
->pw_uid
);
238 #elif defined(HAVE_SETREUID)
239 r
= setreuid(pw
->pw_uid
, pw
->pw_uid
);
241 #error "No API to drop priviliges"
245 pa_log(_("Failed to change UID: %s"), pa_cstrerror(errno
));
249 pa_set_env("USER", PA_SYSTEM_USER
);
250 pa_set_env("USERNAME", PA_SYSTEM_USER
);
251 pa_set_env("LOGNAME", PA_SYSTEM_USER
);
252 pa_set_env("HOME", PA_SYSTEM_RUNTIME_PATH
);
254 /* Relevant for pa_runtime_path() */
255 pa_set_env("PULSE_RUNTIME_PATH", PA_SYSTEM_RUNTIME_PATH
);
256 pa_set_env("PULSE_CONFIG_PATH", PA_SYSTEM_CONFIG_PATH
);
257 pa_set_env("PULSE_STATE_PATH", PA_SYSTEM_STATE_PATH
);
259 pa_log_info(_("Successfully dropped root privileges."));
264 #else /* HAVE_PWD_H && HAVE_GRP_H */
266 static int change_user(void) {
267 pa_log(_("System wide mode unsupported on this platform."));
271 #endif /* HAVE_PWD_H && HAVE_GRP_H */
273 #ifdef HAVE_SYS_RESOURCE_H
275 static int set_one_rlimit(const pa_rlimit
*r
, int resource
, const char *name
) {
282 rl
.rlim_cur
= rl
.rlim_max
= r
->value
;
284 if (setrlimit(resource
, &rl
) < 0) {
285 pa_log_info(_("setrlimit(%s, (%u, %u)) failed: %s"), name
, (unsigned) r
->value
, (unsigned) r
->value
, pa_cstrerror(errno
));
292 static void set_all_rlimits(const pa_daemon_conf
*conf
) {
293 set_one_rlimit(&conf
->rlimit_fsize
, RLIMIT_FSIZE
, "RLIMIT_FSIZE");
294 set_one_rlimit(&conf
->rlimit_data
, RLIMIT_DATA
, "RLIMIT_DATA");
295 set_one_rlimit(&conf
->rlimit_stack
, RLIMIT_STACK
, "RLIMIT_STACK");
296 set_one_rlimit(&conf
->rlimit_core
, RLIMIT_CORE
, "RLIMIT_CORE");
297 set_one_rlimit(&conf
->rlimit_rss
, RLIMIT_RSS
, "RLIMIT_RSS");
299 set_one_rlimit(&conf
->rlimit_nproc
, RLIMIT_NPROC
, "RLIMIT_NPROC");
301 set_one_rlimit(&conf
->rlimit_nofile
, RLIMIT_NOFILE
, "RLIMIT_NOFILE");
302 #ifdef RLIMIT_MEMLOCK
303 set_one_rlimit(&conf
->rlimit_memlock
, RLIMIT_MEMLOCK
, "RLIMIT_MEMLOCK");
305 set_one_rlimit(&conf
->rlimit_as
, RLIMIT_AS
, "RLIMIT_AS");
307 set_one_rlimit(&conf
->rlimit_locks
, RLIMIT_LOCKS
, "RLIMIT_LOCKS");
309 #ifdef RLIMIT_SIGPENDING
310 set_one_rlimit(&conf
->rlimit_sigpending
, RLIMIT_SIGPENDING
, "RLIMIT_SIGPENDING");
312 #ifdef RLIMIT_MSGQUEUE
313 set_one_rlimit(&conf
->rlimit_msgqueue
, RLIMIT_MSGQUEUE
, "RLIMIT_MSGQUEUE");
316 set_one_rlimit(&conf
->rlimit_nice
, RLIMIT_NICE
, "RLIMIT_NICE");
319 set_one_rlimit(&conf
->rlimit_rtprio
, RLIMIT_RTPRIO
, "RLIMIT_RTPRIO");
322 set_one_rlimit(&conf
->rlimit_rttime
, RLIMIT_RTTIME
, "RLIMIT_RTTIME");
327 int main(int argc
, char *argv
[]) {
329 pa_strbuf
*buf
= NULL
;
330 pa_daemon_conf
*conf
= NULL
;
331 pa_mainloop
*mainloop
= NULL
;
333 int r
= 0, retval
= 1, d
= 0;
334 pa_bool_t suid_root
, real_root
;
335 pa_bool_t valid_pid_file
= FALSE
;
336 gid_t gid
= (gid_t
) -1;
337 pa_bool_t ltdl_init
= FALSE
;
341 int daemon_pipe
[2] = { -1, -1 };
344 pa_time_event
*win32_timer
;
345 struct timeval win32_tv
;
348 int autospawn_fd
= -1;
349 pa_bool_t autospawn_locked
= FALSE
;
351 pa_log_set_maximal_level(PA_LOG_INFO
);
352 pa_log_set_ident("pulseaudio");
354 #if defined(__linux__) && defined(__OPTIMIZE__)
356 Disable lazy relocations to make usage of external libraries
357 more deterministic for our RT threads. We abuse __OPTIMIZE__ as
358 a check whether we are a debug build or not.
361 if (!getenv("LD_BIND_NOW")) {
364 /* We have to execute ourselves, because the libc caches the
365 * value of $LD_BIND_NOW on initialization. */
367 pa_set_env("LD_BIND_NOW", "1");
368 pa_assert_se(rp
= pa_readlink("/proc/self/exe"));
369 pa_assert_se(execv(rp
, argv
) == 0);
374 real_root
= getuid() == 0;
375 suid_root
= !real_root
&& geteuid() == 0;
382 /* Drop all capabilities except CAP_SYS_NICE */
385 /* Drop priviliges, but keep CAP_SYS_NICE */
388 /* After dropping root, the effective set is reset, hence,
389 * let's raise it again */
392 /* When capabilities are not supported we will not be able to
393 * aquire RT sched anymore. But yes, that's the way it is. It
394 * is just too risky tun let PA run as root all the time. */
397 if ((e
= getenv("PULSE_PASSED_FD"))) {
404 pa_close_all(passed_fd
, -1);
409 /* At this point, we are a normal user, possibly with CAP_NICE if
410 * we were started SUID. If we are started as normal root, than we
411 * still are normal root. */
413 setlocale(LC_ALL
, "");
416 conf
= pa_daemon_conf_new();
418 if (pa_daemon_conf_load(conf
, NULL
) < 0)
421 if (pa_daemon_conf_env(conf
) < 0)
424 if (pa_cmdline_parse(conf
, argc
, argv
, &d
) < 0) {
425 pa_log(_("Failed to parse command line."));
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
);
432 pa_log_debug("Started as real root: %s, suid root: %s", pa_yes_no(real_root
), pa_yes_no(suid_root
));
434 if (!real_root
&& pa_have_caps()) {
435 pa_bool_t allow_high_priority
= FALSE
, allow_realtime
= FALSE
;
437 /* Let's better not enable high prio or RT by default */
439 if (conf
->high_priority
&& !allow_high_priority
) {
440 if (pa_own_uid_in_group(PA_REALTIME_GROUP
, &gid
) > 0) {
441 pa_log_info(_("We're in the group '%s', allowing high-priority scheduling."), PA_REALTIME_GROUP
);
442 allow_high_priority
= TRUE
;
446 if (conf
->realtime_scheduling
&& !allow_realtime
) {
447 if (pa_own_uid_in_group(PA_REALTIME_GROUP
, &gid
) > 0) {
448 pa_log_info(_("We're in the group '%s', allowing real-time scheduling."), PA_REALTIME_GROUP
);
449 allow_realtime
= TRUE
;
454 if (conf
->high_priority
&& !allow_high_priority
) {
455 if (pa_polkit_check("org.pulseaudio.acquire-high-priority") > 0) {
456 pa_log_info(_("PolicyKit grants us acquire-high-priority privilege."));
457 allow_high_priority
= TRUE
;
459 pa_log_info(_("PolicyKit refuses acquire-high-priority privilege."));
462 if (conf
->realtime_scheduling
&& !allow_realtime
) {
463 if (pa_polkit_check("org.pulseaudio.acquire-real-time") > 0) {
464 pa_log_info(_("PolicyKit grants us acquire-real-time privilege."));
465 allow_realtime
= TRUE
;
467 pa_log_info(_("PolicyKit refuses acquire-real-time privilege."));
471 if (!allow_high_priority
&& !allow_realtime
) {
473 /* OK, there's no further need to keep CAP_NICE. Hence
474 * let's give it up early */
478 if (conf
->high_priority
|| conf
->realtime_scheduling
)
479 pa_log_notice(_("Called SUID root and real-time/high-priority scheduling was requested in the configuration. However, we lack the necessary priviliges:\n"
480 "We are not in group '"PA_REALTIME_GROUP
"' and PolicyKit refuse to grant us priviliges. Dropping SUID again.\n"
481 "For enabling real-time scheduling please acquire the appropriate PolicyKit priviliges, or become a member of '"PA_REALTIME_GROUP
"', or increase the RLIMIT_NICE/RLIMIT_RTPRIO resource limits for this user."));
485 #ifdef HAVE_SYS_RESOURCE_H
486 /* Reset resource limits. If we are run as root (for system mode)
487 * this might end up increasing the limits, which is intended
488 * behaviour. For all other cases, i.e. started as normal user, or
489 * SUID root at this point we should have no CAP_SYS_RESOURCE and
490 * increasing the limits thus should fail. Which is, too, intended
493 set_all_rlimits(conf
);
496 if (conf
->high_priority
&& !pa_can_high_priority())
497 pa_log_warn(_("High-priority scheduling enabled in configuration but not allowed by policy."));
499 if (conf
->high_priority
&& (conf
->cmd
== PA_CMD_DAEMON
|| conf
->cmd
== PA_CMD_START
))
500 pa_raise_priority(conf
->nice_level
);
502 if (!real_root
&& pa_have_caps()) {
505 drop
= (conf
->cmd
!= PA_CMD_DAEMON
&& conf
->cmd
!= PA_CMD_START
) || !conf
->realtime_scheduling
;
510 /* At this point we still have CAP_NICE if we were loaded
511 * SUID root. If possible let's acquire RLIMIT_RTPRIO
512 * instead and give CAP_NICE up. */
514 if (getrlimit(RLIMIT_RTPRIO
, &rl
) >= 0) {
516 if (rl
.rlim_cur
>= 9)
519 rl
.rlim_max
= rl
.rlim_cur
= 9;
521 if (setrlimit(RLIMIT_RTPRIO
, &rl
) >= 0) {
522 pa_log_info(_("Successfully increased RLIMIT_RTPRIO"));
525 pa_log_warn(_("RLIMIT_RTPRIO failed: %s"), pa_cstrerror(errno
));
532 pa_log_info(_("Giving up CAP_NICE"));
538 if (conf
->realtime_scheduling
&& !pa_can_realtime())
539 pa_log_warn(_("Real-time scheduling enabled in configuration but not allowed by policy."));
541 pa_log_debug("Can realtime: %s, can high-priority: %s", pa_yes_no(pa_can_realtime()), pa_yes_no(pa_can_high_priority()));
543 LTDL_SET_PRELOADED_SYMBOLS();
547 if (conf
->dl_search_path
)
548 lt_dlsetsearchpath(conf
->dl_search_path
);
553 WSAStartup(MAKEWORD(2, 0), &data
);
560 case PA_CMD_DUMP_MODULES
:
561 pa_dump_modules(conf
, argc
-d
, argv
+d
);
565 case PA_CMD_DUMP_CONF
: {
566 s
= pa_daemon_conf_dump(conf
);
573 case PA_CMD_DUMP_RESAMPLE_METHODS
: {
576 for (i
= 0; i
< PA_RESAMPLER_MAX
; i
++)
577 if (pa_resample_method_supported(i
))
578 printf("%s\n", pa_resample_method_to_string(i
));
584 pa_cmdline_help(argv
[0]);
588 case PA_CMD_VERSION
:
589 printf(PACKAGE_NAME
" "PACKAGE_VERSION
"\n");
596 if (pa_pid_file_check_running(&pid
, "pulseaudio") < 0)
597 pa_log_info(_("Daemon not running"));
599 pa_log_info(_("Daemon running as PID %u"), pid
);
608 if (pa_pid_file_kill(SIGINT
, NULL
, "pulseaudio") < 0)
609 pa_log(_("Failed to kill daemon: %s"), pa_cstrerror(errno
));
615 case PA_CMD_CLEANUP_SHM
:
617 if (pa_shm_cleanup() >= 0)
623 pa_assert(conf
->cmd
== PA_CMD_DAEMON
|| conf
->cmd
== PA_CMD_START
);
626 if (real_root
&& !conf
->system_instance
)
627 pa_log_warn(_("This program is not intended to be run as root (unless --system is specified)."));
628 else if (!real_root
&& conf
->system_instance
) {
629 pa_log(_("Root priviliges required."));
633 if (conf
->cmd
== PA_CMD_START
&& conf
->system_instance
) {
634 pa_log(_("--start not supported for system instances."));
638 if (conf
->system_instance
&& !conf
->disallow_exit
)
639 pa_log_warn(_("Running in system mode, but --disallow-exit not set!"));
641 if (conf
->system_instance
&& !conf
->disallow_module_loading
)
642 pa_log_warn(_("Running in system mode, but --disallow-module-loading not set!"));
644 if (conf
->system_instance
&& !conf
->disable_shm
) {
645 pa_log_notice(_("Running in system mode, forcibly disabling SHM mode!"));
646 conf
->disable_shm
= TRUE
;
649 if (conf
->system_instance
&& conf
->exit_idle_time
> 0) {
650 pa_log_notice(_("Running in system mode, forcibly disabling exit idle time!"));
651 conf
->exit_idle_time
= 0;
654 if (conf
->cmd
== PA_CMD_START
) {
655 /* If we shall start PA only when it is not running yet, we
656 * first take the autospawn lock to make things
659 if ((autospawn_fd
= pa_autospawn_lock_init()) < 0) {
660 pa_log("Failed to initialize autospawn lock");
664 if ((pa_autospawn_lock_acquire(TRUE
) < 0)) {
665 pa_log("Failed to acquire autospawn lock");
669 autospawn_locked
= TRUE
;
672 if (conf
->daemonize
) {
676 if (pa_stdio_acquire() < 0) {
677 pa_log(_("Failed to acquire stdio."));
682 if (pipe(daemon_pipe
) < 0) {
683 pa_log(_("pipe failed: %s"), pa_cstrerror(errno
));
687 if ((child
= fork()) < 0) {
688 pa_log(_("fork() failed: %s"), pa_cstrerror(errno
));
696 pa_assert_se(pa_close(daemon_pipe
[1]) == 0);
699 if ((n
= pa_loop_read(daemon_pipe
[0], &retval
, sizeof(retval
), NULL
)) != sizeof(retval
)) {
702 pa_log(_("read() failed: %s"), pa_cstrerror(errno
));
708 pa_log(_("Daemon startup failed."));
710 pa_log_info(_("Daemon startup successful."));
715 if (autospawn_fd
>= 0) {
716 /* The lock file is unlocked from the parent, so we need
717 * to close it in the child */
719 pa_autospawn_lock_release();
720 pa_autospawn_lock_done(TRUE
);
722 autospawn_locked
= FALSE
;
726 pa_assert_se(pa_close(daemon_pipe
[0]) == 0);
730 if (conf
->auto_log_target
)
731 pa_log_set_target(PA_LOG_SYSLOG
, NULL
);
745 pa_assert_se(open("/dev/null", O_RDONLY
) == 0);
746 pa_assert_se(open("/dev/null", O_WRONLY
) == 1);
747 pa_assert_se(open("/dev/null", O_WRONLY
) == 2);
753 signal(SIGTTOU
, SIG_IGN
);
756 signal(SIGTTIN
, SIG_IGN
);
759 signal(SIGTSTP
, SIG_IGN
);
763 if ((tty_fd
= open("/dev/tty", O_RDWR
)) >= 0) {
764 ioctl(tty_fd
, TIOCNOTTY
, (char*) 0);
765 pa_assert_se(pa_close(tty_fd
) == 0);
770 pa_set_env("PULSE_INTERNAL", "1");
771 pa_assert_se(chdir("/") == 0);
774 if (conf
->system_instance
)
775 if (change_user() < 0)
778 pa_set_env("PULSE_SYSTEM", conf
->system_instance
? "1" : "0");
780 pa_log_info(_("This is PulseAudio %s"), PACKAGE_VERSION
);
781 pa_log_debug(_("Compilation host: %s"), CANONICAL_HOST
);
782 pa_log_debug(_("Compilation CFLAGS: %s"), PA_CFLAGS
);
784 s
= pa_uname_string();
785 pa_log_debug(_("Running on host: %s"), s
);
788 pa_log_info(_("Page size is %lu bytes"), (unsigned long) PA_PAGE_SIZE
);
790 #ifdef HAVE_VALGRIND_MEMCHECK_H
791 pa_log_debug(_("Compiled with Valgrind support: yes"));
793 pa_log_debug(_("Compiled with Valgrind support: no"));
797 pa_log_debug(_("Optimized build: yes"));
799 pa_log_debug(_("Optimized build: no"));
802 if (!(s
= pa_machine_id())) {
803 pa_log(_("Failed to get machine ID"));
806 pa_log_info(_("Machine ID is %s."), s
);
809 if (!(s
= pa_get_runtime_dir()))
811 pa_log_info(_("Using runtime directory %s."), s
);
814 if (!(s
= pa_get_state_dir()))
816 pa_log_info(_("Using state directory %s."), s
);
819 pa_log_info(_("Running in system mode: %s"), pa_yes_no(pa_in_system_mode()));
821 if (conf
->use_pid_file
) {
824 if ((z
= pa_pid_file_create("pulseaudio")) != 0) {
826 if (conf
->cmd
== PA_CMD_START
&& z
> 0) {
827 /* If we are already running and with are run in
828 * --start mode, then let's return this as success. */
834 pa_log(_("pa_pid_file_create() failed."));
838 valid_pid_file
= TRUE
;
842 signal(SIGPIPE
, SIG_IGN
);
845 if (pa_rtclock_hrtimer())
846 pa_log_info(_("Fresh high-resolution timers available! Bon appetit!"));
848 pa_log_info(_("Dude, your kernel stinks! The chef's recommendation today is Linux with high-resolution timers enabled!"));
851 /* Valgrind uses SIGRTMAX. To easy debugging we don't use it here */
852 pa_rtsig_configure(SIGRTMIN
, SIGRTMAX
-1);
855 pa_assert_se(mainloop
= pa_mainloop_new());
857 if (!(c
= pa_core_new(pa_mainloop_get_api(mainloop
), !conf
->disable_shm
))) {
858 pa_log(_("pa_core_new() failed."));
862 c
->default_sample_spec
= conf
->default_sample_spec
;
863 c
->default_n_fragments
= conf
->default_n_fragments
;
864 c
->default_fragment_size_msec
= conf
->default_fragment_size_msec
;
865 c
->exit_idle_time
= conf
->exit_idle_time
;
866 c
->module_idle_time
= conf
->module_idle_time
;
867 c
->scache_idle_time
= conf
->scache_idle_time
;
868 c
->resample_method
= conf
->resample_method
;
869 c
->realtime_priority
= conf
->realtime_priority
;
870 c
->realtime_scheduling
= !!conf
->realtime_scheduling
;
871 c
->disable_remixing
= !!conf
->disable_remixing
;
872 c
->disable_lfe_remixing
= !!conf
->disable_lfe_remixing
;
873 c
->running_as_daemon
= !!conf
->daemonize
;
874 c
->disallow_exit
= conf
->disallow_exit
;
876 pa_assert_se(pa_signal_init(pa_mainloop_get_api(mainloop
)) == 0);
877 pa_signal_new(SIGINT
, signal_callback
, c
);
878 pa_signal_new(SIGTERM
, signal_callback
, c
);
880 pa_signal_new(SIGUSR1
, signal_callback
, c
);
883 pa_signal_new(SIGUSR2
, signal_callback
, c
);
886 pa_signal_new(SIGHUP
, signal_callback
, c
);
890 win32_timer
= pa_mainloop_get_api(mainloop
)->time_new(pa_mainloop_get_api(mainloop
), pa_gettimeofday(&win32_tv
), message_cb
, NULL
);
895 if (!conf
->no_cpu_limit
)
896 pa_assert_se(pa_cpu_limit_init(pa_mainloop_get_api(mainloop
)) == 0);
898 buf
= pa_strbuf_new();
899 if (conf
->load_default_script_file
) {
902 if ((f
= pa_daemon_conf_open_default_script_file(conf
))) {
903 r
= pa_cli_command_execute_file_stream(c
, f
, buf
, &conf
->fail
);
909 r
= pa_cli_command_execute(c
, conf
->script_commands
, buf
, &conf
->fail
);
911 pa_log_error("%s", s
= pa_strbuf_tostring_free(buf
));
914 /* We completed the initial module loading, so let's disable it
915 * from now on, if requested */
916 c
->disallow_module_loading
= !!conf
->disallow_module_loading
;
918 if (r
< 0 && conf
->fail
) {
919 pa_log(_("Failed to initialize daemon."));
923 if (!c
->modules
|| pa_idxset_size(c
->modules
) == 0) {
924 pa_log(_("Daemon startup without any loaded modules, refusing to work."));
928 if (c
->default_sink_name
&& !pa_namereg_get(c
, c
->default_sink_name
, PA_NAMEREG_SINK
, TRUE
) && conf
->fail
) {
929 pa_log_error(_("Default sink name (%s) does not exist in name register."), c
->default_sink_name
);
934 if (daemon_pipe
[1] >= 0) {
936 pa_loop_write(daemon_pipe
[1], &ok
, sizeof(ok
), NULL
);
937 pa_close(daemon_pipe
[1]);
942 pa_log_info(_("Daemon startup complete."));
945 if (pa_mainloop_run(mainloop
, &retval
) < 0)
948 pa_log_info(_("Daemon shutdown initiated."));
952 if (autospawn_fd
>= 0) {
953 if (autospawn_locked
)
954 pa_autospawn_lock_release();
956 pa_autospawn_lock_done(FALSE
);
964 pa_mainloop_get_api(mainloop
)->time_free(win32_timer
);
969 pa_log_info(_("Daemon terminated."));
972 if (!conf
->no_cpu_limit
)
978 if (daemon_pipe
[1] >= 0)
979 pa_loop_write(daemon_pipe
[1], &retval
, sizeof(retval
), NULL
);
981 pa_close_pipe(daemon_pipe
);
985 pa_mainloop_free(mainloop
);
988 pa_daemon_conf_free(conf
);
991 pa_pid_file_remove();