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 2.1 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
38 #include <sys/types.h>
41 #ifdef HAVE_SYS_MMAN_H
58 #include <dbus/dbus.h>
61 #include <pulse/client-conf.h>
63 #include <pulse/client-conf-x11.h>
65 #include <pulse/mainloop.h>
66 #include <pulse/mainloop-signal.h>
67 #include <pulse/timeval.h>
68 #include <pulse/xmalloc.h>
69 #include <pulse/i18n.h>
71 #include <pulsecore/lock-autospawn.h>
72 #include <pulsecore/socket.h>
73 #include <pulsecore/core-error.h>
74 #include <pulsecore/core-rtclock.h>
75 #include <pulsecore/core.h>
76 #include <pulsecore/module.h>
77 #include <pulsecore/cli-command.h>
78 #include <pulsecore/log.h>
79 #include <pulsecore/core-util.h>
80 #include <pulsecore/sioman.h>
81 #include <pulsecore/cli-text.h>
82 #include <pulsecore/pid.h>
83 #include <pulsecore/random.h>
84 #include <pulsecore/macro.h>
85 #include <pulsecore/shm.h>
86 #include <pulsecore/memtrap.h>
87 #include <pulsecore/strlist.h>
89 #include <pulsecore/dbus-shared.h>
91 #include <pulsecore/cpu-arm.h>
92 #include <pulsecore/cpu-x86.h>
93 #include <pulsecore/cpu-orc.h>
97 #include "daemon-conf.h"
98 #include "dumpmodules.h"
100 #include "ltdl-bind-now.h"
101 #include "server-lookup.h"
104 /* Only one instance of these variables */
105 int allow_severity
= LOG_INFO
;
106 int deny_severity
= LOG_WARNING
;
109 #ifdef HAVE_OSS_WRAPPER
110 /* padsp looks for this symbol in the running process and disables
111 * itself if it finds it and it is set to 7 (which is actually a bit
112 * mask). For details see padsp. */
113 int __padsp_disabled__
= 7;
118 static void message_cb(pa_mainloop_api
*a
, pa_time_event
*e
, const struct timeval
*tv
, void *userdata
) {
120 struct timeval tvnext
;
122 while (PeekMessage(&msg
, NULL
, 0, 0, PM_REMOVE
)) {
123 if (msg
.message
== WM_QUIT
)
126 TranslateMessage(&msg
);
127 DispatchMessage(&msg
);
131 pa_timeval_add(pa_gettimeofday(&tvnext
), 100000);
132 a
->time_restart(e
, &tvnext
);
137 static void signal_callback(pa_mainloop_api
*m
, pa_signal_event
*e
, int sig
, void *userdata
) {
138 pa_log_info(_("Got signal %s."), pa_sig2str(sig
));
143 pa_module_load(userdata
, "module-cli", NULL
);
149 pa_module_load(userdata
, "module-cli-protocol-unix", NULL
);
155 char *c
= pa_full_status_string(userdata
);
156 pa_log_notice("%s", c
);
165 pa_log_info(_("Exiting."));
171 #if defined(HAVE_PWD_H) && defined(HAVE_GRP_H)
173 static int change_user(void) {
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
182 if (!(pw
= getpwnam(PA_SYSTEM_USER
))) {
183 pa_log(_("Failed to find user '%s'."), PA_SYSTEM_USER
);
187 if (!(gr
= getgrnam(PA_SYSTEM_GROUP
))) {
188 pa_log(_("Failed to find group '%s'."), PA_SYSTEM_GROUP
);
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
);
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
);
201 if (strcmp(pw
->pw_dir
, PA_SYSTEM_RUNTIME_PATH
) != 0)
202 pa_log_warn(_("Home directory of user '%s' is not '%s', ignoring."), PA_SYSTEM_USER
, PA_SYSTEM_RUNTIME_PATH
);
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
));
209 if (pa_make_secure_dir(PA_SYSTEM_STATE_PATH
, 0700, pw
->pw_uid
, gr
->gr_gid
) < 0) {
210 pa_log(_("Failed to create '%s': %s"), PA_SYSTEM_STATE_PATH
, pa_cstrerror(errno
));
214 /* We don't create the config dir here, because we don't need to write to it */
216 if (initgroups(PA_SYSTEM_USER
, gr
->gr_gid
) != 0) {
217 pa_log(_("Failed to change group list: %s"), pa_cstrerror(errno
));
221 #if defined(HAVE_SETRESGID)
222 r
= setresgid(gr
->gr_gid
, gr
->gr_gid
, gr
->gr_gid
);
223 #elif defined(HAVE_SETEGID)
224 if ((r
= setgid(gr
->gr_gid
)) >= 0)
225 r
= setegid(gr
->gr_gid
);
226 #elif defined(HAVE_SETREGID)
227 r
= setregid(gr
->gr_gid
, gr
->gr_gid
);
229 #error "No API to drop privileges"
233 pa_log(_("Failed to change GID: %s"), pa_cstrerror(errno
));
237 #if defined(HAVE_SETRESUID)
238 r
= setresuid(pw
->pw_uid
, pw
->pw_uid
, pw
->pw_uid
);
239 #elif defined(HAVE_SETEUID)
240 if ((r
= setuid(pw
->pw_uid
)) >= 0)
241 r
= seteuid(pw
->pw_uid
);
242 #elif defined(HAVE_SETREUID)
243 r
= setreuid(pw
->pw_uid
, pw
->pw_uid
);
245 #error "No API to drop privileges"
249 pa_log(_("Failed to change UID: %s"), pa_cstrerror(errno
));
253 pa_set_env("USER", PA_SYSTEM_USER
);
254 pa_set_env("USERNAME", PA_SYSTEM_USER
);
255 pa_set_env("LOGNAME", PA_SYSTEM_USER
);
256 pa_set_env("HOME", PA_SYSTEM_RUNTIME_PATH
);
258 /* Relevant for pa_runtime_path() */
259 if (!getenv("PULSE_RUNTIME_PATH"))
260 pa_set_env("PULSE_RUNTIME_PATH", PA_SYSTEM_RUNTIME_PATH
);
262 if (!getenv("PULSE_CONFIG_PATH"))
263 pa_set_env("PULSE_CONFIG_PATH", PA_SYSTEM_CONFIG_PATH
);
265 if (!getenv("PULSE_STATE_PATH"))
266 pa_set_env("PULSE_STATE_PATH", PA_SYSTEM_STATE_PATH
);
268 pa_log_info(_("Successfully dropped root privileges."));
273 #else /* HAVE_PWD_H && HAVE_GRP_H */
275 static int change_user(void) {
276 pa_log(_("System wide mode unsupported on this platform."));
280 #endif /* HAVE_PWD_H && HAVE_GRP_H */
282 #ifdef HAVE_SYS_RESOURCE_H
284 static int set_one_rlimit(const pa_rlimit
*r
, int resource
, const char *name
) {
291 rl
.rlim_cur
= rl
.rlim_max
= r
->value
;
293 if (setrlimit(resource
, &rl
) < 0) {
294 pa_log_info(_("setrlimit(%s, (%u, %u)) failed: %s"), name
, (unsigned) r
->value
, (unsigned) r
->value
, pa_cstrerror(errno
));
301 static void set_all_rlimits(const pa_daemon_conf
*conf
) {
302 set_one_rlimit(&conf
->rlimit_fsize
, RLIMIT_FSIZE
, "RLIMIT_FSIZE");
303 set_one_rlimit(&conf
->rlimit_data
, RLIMIT_DATA
, "RLIMIT_DATA");
304 set_one_rlimit(&conf
->rlimit_stack
, RLIMIT_STACK
, "RLIMIT_STACK");
305 set_one_rlimit(&conf
->rlimit_core
, RLIMIT_CORE
, "RLIMIT_CORE");
307 set_one_rlimit(&conf
->rlimit_rss
, RLIMIT_RSS
, "RLIMIT_RSS");
310 set_one_rlimit(&conf
->rlimit_nproc
, RLIMIT_NPROC
, "RLIMIT_NPROC");
313 set_one_rlimit(&conf
->rlimit_nofile
, RLIMIT_NOFILE
, "RLIMIT_NOFILE");
315 #ifdef RLIMIT_MEMLOCK
316 set_one_rlimit(&conf
->rlimit_memlock
, RLIMIT_MEMLOCK
, "RLIMIT_MEMLOCK");
319 set_one_rlimit(&conf
->rlimit_as
, RLIMIT_AS
, "RLIMIT_AS");
322 set_one_rlimit(&conf
->rlimit_locks
, RLIMIT_LOCKS
, "RLIMIT_LOCKS");
324 #ifdef RLIMIT_SIGPENDING
325 set_one_rlimit(&conf
->rlimit_sigpending
, RLIMIT_SIGPENDING
, "RLIMIT_SIGPENDING");
327 #ifdef RLIMIT_MSGQUEUE
328 set_one_rlimit(&conf
->rlimit_msgqueue
, RLIMIT_MSGQUEUE
, "RLIMIT_MSGQUEUE");
331 set_one_rlimit(&conf
->rlimit_nice
, RLIMIT_NICE
, "RLIMIT_NICE");
334 set_one_rlimit(&conf
->rlimit_rtprio
, RLIMIT_RTPRIO
, "RLIMIT_RTPRIO");
337 set_one_rlimit(&conf
->rlimit_rttime
, RLIMIT_RTTIME
, "RLIMIT_RTTIME");
342 static char *check_configured_address(void) {
343 char *default_server
= NULL
;
344 pa_client_conf
*c
= pa_client_conf_new();
346 pa_client_conf_load(c
, NULL
);
348 pa_client_conf_from_x11(c
, NULL
);
350 pa_client_conf_env(c
);
352 if (c
->default_server
&& *c
->default_server
)
353 default_server
= pa_xstrdup(c
->default_server
);
355 pa_client_conf_free(c
);
357 return default_server
;
361 static pa_dbus_connection
*register_dbus_name(pa_core
*c
, DBusBusType bus
, const char* name
) {
363 pa_dbus_connection
*conn
;
365 dbus_error_init(&error
);
367 if (!(conn
= pa_dbus_bus_get(c
, bus
, &error
)) || dbus_error_is_set(&error
)) {
368 pa_log_warn("Unable to contact D-Bus: %s: %s", error
.name
, error
.message
);
372 if (dbus_bus_request_name(pa_dbus_connection_get(conn
), name
, DBUS_NAME_FLAG_DO_NOT_QUEUE
, &error
) == DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER
) {
373 pa_log_debug("Got %s!", name
);
377 if (dbus_error_is_set(&error
))
378 pa_log_error("Failed to acquire %s: %s: %s", name
, error
.name
, error
.message
);
380 pa_log_error("D-Bus name %s already taken. Weird shit!", name
);
382 /* PA cannot be started twice by the same user and hence we can
383 * ignore mostly the case that a name is already taken. */
387 pa_dbus_connection_unref(conn
);
389 dbus_error_free(&error
);
394 int main(int argc
, char *argv
[]) {
396 pa_strbuf
*buf
= NULL
;
397 pa_daemon_conf
*conf
= NULL
;
398 pa_mainloop
*mainloop
= NULL
;
400 char *configured_address
;
401 int r
= 0, retval
= 1, d
= 0;
402 pa_bool_t valid_pid_file
= FALSE
;
403 pa_bool_t ltdl_init
= FALSE
;
407 int daemon_pipe
[2] = { -1, -1 };
408 int daemon_pipe2
[2] = { -1, -1 };
411 pa_time_event
*win32_timer
;
412 struct timeval win32_tv
;
414 int autospawn_fd
= -1;
415 pa_bool_t autospawn_locked
= FALSE
;
417 pa_dbusobj_server_lookup
*server_lookup
= NULL
; /* /org/pulseaudio/server_lookup */
418 pa_dbus_connection
*lookup_service_bus
= NULL
; /* Always the user bus. */
419 pa_dbus_connection
*server_bus
= NULL
; /* The bus where we reserve org.pulseaudio.Server, either the user or the system bus. */
420 pa_bool_t start_server
;
423 pa_log_set_ident("pulseaudio");
424 pa_log_set_level(PA_LOG_NOTICE
);
425 pa_log_set_flags(PA_LOG_COLORS
|PA_LOG_PRINT_FILE
|PA_LOG_PRINT_LEVEL
, PA_LOG_RESET
);
427 #if defined(__linux__) && defined(__OPTIMIZE__)
429 Disable lazy relocations to make usage of external libraries
430 more deterministic for our RT threads. We abuse __OPTIMIZE__ as
431 a check whether we are a debug build or not. This all is
432 admittedly a bit snake-oilish.
435 if (!getenv("LD_BIND_NOW")) {
439 /* We have to execute ourselves, because the libc caches the
440 * value of $LD_BIND_NOW on initialization. */
442 pa_set_env("LD_BIND_NOW", "1");
444 if ((canonical_rp
= pa_realpath(PA_BINARY
))) {
446 if ((rp
= pa_readlink("/proc/self/exe"))) {
448 if (pa_streq(rp
, canonical_rp
))
449 pa_assert_se(execv(rp
, argv
) == 0);
451 pa_log_warn("/proc/self/exe does not point to %s, cannot self execute. Are you playing games?", canonical_rp
);
456 pa_log_warn("Couldn't read /proc/self/exe, cannot self execute. Running in a chroot()?");
458 pa_xfree(canonical_rp
);
461 pa_log_warn("Couldn't canonicalize binary path, cannot self execute.");
465 if ((e
= getenv("PULSE_PASSED_FD"))) {
472 /* We might be autospawned, in which case have no idea in which
473 * context we have been started. Let's cleanup our execution
474 * context as good as possible */
476 pa_reset_personality();
478 pa_close_all(passed_fd
, -1);
483 setlocale(LC_ALL
, "");
486 conf
= pa_daemon_conf_new();
488 if (pa_daemon_conf_load(conf
, NULL
) < 0)
491 if (pa_daemon_conf_env(conf
) < 0)
494 if (pa_cmdline_parse(conf
, argc
, argv
, &d
) < 0) {
495 pa_log(_("Failed to parse command line."));
499 pa_log_set_level(conf
->log_level
);
500 pa_log_set_target(conf
->auto_log_target
? PA_LOG_STDERR
: conf
->log_target
);
502 pa_log_set_flags(PA_LOG_PRINT_META
, PA_LOG_SET
);
504 pa_log_set_flags(PA_LOG_PRINT_TIME
, PA_LOG_SET
);
505 pa_log_set_show_backtrace(conf
->log_backtrace
);
508 /* conf->system_instance and conf->local_server_type control almost the
509 * same thing; make them agree about what is requested. */
510 switch (conf
->local_server_type
) {
511 case PA_SERVER_TYPE_UNSET
:
512 conf
->local_server_type
= conf
->system_instance
? PA_SERVER_TYPE_SYSTEM
: PA_SERVER_TYPE_USER
;
514 case PA_SERVER_TYPE_USER
:
515 case PA_SERVER_TYPE_NONE
:
516 conf
->system_instance
= FALSE
;
518 case PA_SERVER_TYPE_SYSTEM
:
519 conf
->system_instance
= TRUE
;
522 pa_assert_not_reached();
525 start_server
= conf
->local_server_type
== PA_SERVER_TYPE_USER
|| (getuid() == 0 && conf
->local_server_type
== PA_SERVER_TYPE_SYSTEM
);
527 if (!start_server
&& conf
->local_server_type
== PA_SERVER_TYPE_SYSTEM
) {
528 pa_log_notice(_("System mode refused for non-root user. Only starting the D-Bus server lookup service."));
529 conf
->system_instance
= FALSE
;
533 LTDL_SET_PRELOADED_SYMBOLS();
537 if (conf
->dl_search_path
)
538 lt_dlsetsearchpath(conf
->dl_search_path
);
543 WSAStartup(MAKEWORD(2, 0), &data
);
550 case PA_CMD_DUMP_MODULES
:
551 pa_dump_modules(conf
, argc
-d
, argv
+d
);
555 case PA_CMD_DUMP_CONF
: {
558 pa_log("Too many arguments.\n");
562 s
= pa_daemon_conf_dump(conf
);
569 case PA_CMD_DUMP_RESAMPLE_METHODS
: {
573 pa_log("Too many arguments.\n");
577 for (i
= 0; i
< PA_RESAMPLER_MAX
; i
++)
578 if (pa_resample_method_supported(i
))
579 printf("%s\n", pa_resample_method_to_string(i
));
586 pa_cmdline_help(argv
[0]);
590 case PA_CMD_VERSION
:
593 pa_log("Too many arguments.\n");
597 printf(PACKAGE_NAME
" "PACKAGE_VERSION
"\n");
605 pa_log("Too many arguments.\n");
609 if (pa_pid_file_check_running(&pid
, "pulseaudio") < 0)
610 pa_log_info(_("Daemon not running"));
612 pa_log_info(_("Daemon running as PID %u"), pid
);
622 pa_log("Too many arguments.\n");
626 if (pa_pid_file_kill(SIGINT
, NULL
, "pulseaudio") < 0)
627 pa_log(_("Failed to kill daemon: %s"), pa_cstrerror(errno
));
633 case PA_CMD_CLEANUP_SHM
:
636 pa_log("Too many arguments.\n");
640 if (pa_shm_cleanup() >= 0)
646 pa_assert(conf
->cmd
== PA_CMD_DAEMON
|| conf
->cmd
== PA_CMD_START
);
650 pa_log("Too many arguments.\n");
655 if (getuid() == 0 && !conf
->system_instance
)
656 pa_log_warn(_("This program is not intended to be run as root (unless --system is specified)."));
657 #ifndef HAVE_DBUS /* A similar, only a notice worthy check was done earlier, if D-Bus is enabled. */
658 else if (getuid() != 0 && conf
->system_instance
) {
659 pa_log(_("Root privileges required."));
663 #endif /* HAVE_GETUID */
665 if (conf
->cmd
== PA_CMD_START
&& conf
->system_instance
) {
666 pa_log(_("--start not supported for system instances."));
670 if (conf
->cmd
== PA_CMD_START
&& (configured_address
= check_configured_address())) {
671 /* There is an server address in our config, but where did it come from?
672 * By default a standard X11 login will load module-x11-publish which will
673 * inject PULSE_SERVER X11 property. If the PA daemon crashes, we will end
674 * up hitting this code path. So we have to check to see if our configured_address
675 * is the same as the value that would go into this property so that we can
676 * recover (i.e. autospawn) from a crash.
679 pa_bool_t start_anyway
= FALSE
;
681 if ((ufn
= pa_runtime_path(PA_NATIVE_DEFAULT_UNIX_SOCKET
))) {
684 if ((id
= pa_machine_id())) {
685 pa_strlist
*server_list
;
686 char formatted_ufn
[256];
688 pa_snprintf(formatted_ufn
, sizeof(formatted_ufn
), "{%s}unix:%s", id
, ufn
);
691 if ((server_list
= pa_strlist_parse(configured_address
))) {
694 /* We only need to check the first server */
695 server_list
= pa_strlist_pop(server_list
, &u
);
696 pa_strlist_free(server_list
);
698 start_anyway
= (u
&& pa_streq(formatted_ufn
, u
));
706 pa_log_notice(_("User-configured server at %s, refusing to start/autospawn."), configured_address
);
707 pa_xfree(configured_address
);
712 pa_log_notice(_("User-configured server at %s, which appears to be local. Probing deeper."), configured_address
);
713 pa_xfree(configured_address
);
716 if (conf
->system_instance
&& !conf
->disallow_exit
)
717 pa_log_warn(_("Running in system mode, but --disallow-exit not set!"));
719 if (conf
->system_instance
&& !conf
->disallow_module_loading
)
720 pa_log_warn(_("Running in system mode, but --disallow-module-loading not set!"));
722 if (conf
->system_instance
&& !conf
->disable_shm
) {
723 pa_log_notice(_("Running in system mode, forcibly disabling SHM mode!"));
724 conf
->disable_shm
= TRUE
;
727 if (conf
->system_instance
&& conf
->exit_idle_time
>= 0) {
728 pa_log_notice(_("Running in system mode, forcibly disabling exit idle time!"));
729 conf
->exit_idle_time
= -1;
732 if (conf
->cmd
== PA_CMD_START
) {
733 /* If we shall start PA only when it is not running yet, we
734 * first take the autospawn lock to make things
737 if ((autospawn_fd
= pa_autospawn_lock_init()) < 0) {
738 pa_log("Failed to initialize autospawn lock");
742 if ((pa_autospawn_lock_acquire(TRUE
) < 0)) {
743 pa_log("Failed to acquire autospawn lock");
747 autospawn_locked
= TRUE
;
750 if (conf
->daemonize
) {
753 if (pa_stdio_acquire() < 0) {
754 pa_log(_("Failed to acquire stdio."));
759 if (pipe(daemon_pipe
) < 0) {
760 pa_log(_("pipe() failed: %s"), pa_cstrerror(errno
));
764 if ((child
= fork()) < 0) {
765 pa_log(_("fork() failed: %s"), pa_cstrerror(errno
));
766 pa_close_pipe(daemon_pipe
);
774 pa_assert_se(pa_close(daemon_pipe
[1]) == 0);
777 if ((n
= pa_loop_read(daemon_pipe
[0], &retval
, sizeof(retval
), NULL
)) != sizeof(retval
)) {
780 pa_log(_("read() failed: %s"), pa_cstrerror(errno
));
786 pa_log(_("Daemon startup failed."));
788 pa_log_info(_("Daemon startup successful."));
793 if (autospawn_fd
>= 0) {
794 /* The lock file is unlocked from the parent, so we need
795 * to close it in the child */
797 pa_autospawn_lock_release();
798 pa_autospawn_lock_done(TRUE
);
800 autospawn_locked
= FALSE
;
804 pa_assert_se(pa_close(daemon_pipe
[0]) == 0);
808 if (conf
->auto_log_target
)
809 pa_log_set_target(PA_LOG_SYSLOG
);
813 pa_log(_("setsid() failed: %s"), pa_cstrerror(errno
));
819 /* We now are a session and process group leader. Let's fork
820 * again and let the father die, so that we'll become a
821 * process that can never acquire a TTY again, in a session and
822 * process group without leader */
824 if (pipe(daemon_pipe2
) < 0) {
825 pa_log(_("pipe() failed: %s"), pa_cstrerror(errno
));
829 if ((child
= fork()) < 0) {
830 pa_log(_("fork() failed: %s"), pa_cstrerror(errno
));
831 pa_close_pipe(daemon_pipe2
);
839 pa_assert_se(pa_close(daemon_pipe2
[1]) == 0);
840 daemon_pipe2
[1] = -1;
842 if ((n
= pa_loop_read(daemon_pipe2
[0], &retval
, sizeof(retval
), NULL
)) != sizeof(retval
)) {
845 pa_log(_("read() failed: %s"), pa_cstrerror(errno
));
850 /* We now have to take care of signalling the first fork with
851 * the return value we've received from this fork... */
852 pa_assert(daemon_pipe
[1] >= 0);
854 pa_loop_write(daemon_pipe
[1], &retval
, sizeof(retval
), NULL
);
855 pa_close(daemon_pipe
[1]);
861 pa_assert_se(pa_close(daemon_pipe2
[0]) == 0);
862 daemon_pipe2
[0] = -1;
864 /* We no longer need the (first) daemon_pipe as it's handled in our child above */
865 pa_close_pipe(daemon_pipe
);
869 signal(SIGTTOU
, SIG_IGN
);
872 signal(SIGTTIN
, SIG_IGN
);
875 signal(SIGTSTP
, SIG_IGN
);
881 pa_set_env_and_record("PULSE_INTERNAL", "1");
882 pa_assert_se(chdir("/") == 0);
885 #ifdef HAVE_SYS_RESOURCE_H
886 set_all_rlimits(conf
);
888 pa_rtclock_hrtimer_enable();
890 pa_raise_priority(conf
->nice_level
);
892 if (conf
->system_instance
)
893 if (change_user() < 0)
896 pa_set_env_and_record("PULSE_SYSTEM", conf
->system_instance
? "1" : "0");
898 pa_log_info(_("This is PulseAudio %s"), PACKAGE_VERSION
);
899 pa_log_debug(_("Compilation host: %s"), CANONICAL_HOST
);
900 pa_log_debug(_("Compilation CFLAGS: %s"), PA_CFLAGS
);
902 s
= pa_uname_string();
903 pa_log_debug(_("Running on host: %s"), s
);
906 pa_log_debug(_("Found %u CPUs."), pa_ncpus());
908 pa_log_info(_("Page size is %lu bytes"), (unsigned long) PA_PAGE_SIZE
);
910 #ifdef HAVE_VALGRIND_MEMCHECK_H
911 pa_log_debug(_("Compiled with Valgrind support: yes"));
913 pa_log_debug(_("Compiled with Valgrind support: no"));
916 pa_log_debug(_("Running in valgrind mode: %s"), pa_yes_no(pa_in_valgrind()));
918 pa_log_debug(_("Running in VM: %s"), pa_yes_no(pa_running_in_vm()));
921 pa_log_debug(_("Optimized build: yes"));
923 pa_log_debug(_("Optimized build: no"));
927 pa_log_debug(_("NDEBUG defined, all asserts disabled."));
928 #elif defined(FASTPATH)
929 pa_log_debug(_("FASTPATH defined, only fast path asserts disabled."));
931 pa_log_debug(_("All asserts enabled."));
934 if (!(s
= pa_machine_id())) {
935 pa_log(_("Failed to get machine ID"));
938 pa_log_info(_("Machine ID is %s."), s
);
941 if ((s
= pa_session_id())) {
942 pa_log_info(_("Session ID is %s."), s
);
946 if (!(s
= pa_get_runtime_dir()))
948 pa_log_info(_("Using runtime directory %s."), s
);
951 if (!(s
= pa_get_state_dir()))
953 pa_log_info(_("Using state directory %s."), s
);
956 pa_log_info(_("Using modules directory %s."), conf
->dl_search_path
);
958 pa_log_info(_("Running in system mode: %s"), pa_yes_no(pa_in_system_mode()));
960 if (pa_in_system_mode())
961 pa_log_warn(_("OK, so you are running PA in system mode. Please note that you most likely shouldn't be doing that.\n"
962 "If you do it nonetheless then it's your own fault if things don't work as expected.\n"
963 "Please read http://pulseaudio.org/wiki/WhatIsWrongWithSystemMode for an explanation why system mode is usually a bad idea."));
965 if (conf
->use_pid_file
) {
968 if ((z
= pa_pid_file_create("pulseaudio")) != 0) {
970 if (conf
->cmd
== PA_CMD_START
&& z
> 0) {
971 /* If we are already running and with are run in
972 * --start mode, then let's return this as success. */
978 pa_log(_("pa_pid_file_create() failed."));
982 valid_pid_file
= TRUE
;
985 pa_disable_sigpipe();
987 if (pa_rtclock_hrtimer())
988 pa_log_info(_("Fresh high-resolution timers available! Bon appetit!"));
990 pa_log_info(_("Dude, your kernel stinks! The chef's recommendation today is Linux with high-resolution timers enabled!"));
992 if (conf
->lock_memory
) {
993 #ifdef HAVE_SYS_MMAN_H
994 if (mlockall(MCL_FUTURE
) < 0)
995 pa_log_warn("mlockall() failed: %s", pa_cstrerror(errno
));
997 pa_log_info("Successfully locked process into memory.");
999 pa_log_warn("Memory locking requested but not supported on platform.");
1003 pa_memtrap_install();
1005 pa_assert_se(mainloop
= pa_mainloop_new());
1007 if (!(c
= pa_core_new(pa_mainloop_get_api(mainloop
), !conf
->disable_shm
, conf
->shm_size
))) {
1008 pa_log(_("pa_core_new() failed."));
1012 c
->default_sample_spec
= conf
->default_sample_spec
;
1013 c
->default_channel_map
= conf
->default_channel_map
;
1014 c
->default_n_fragments
= conf
->default_n_fragments
;
1015 c
->default_fragment_size_msec
= conf
->default_fragment_size_msec
;
1016 c
->sync_volume_safety_margin_usec
= conf
->sync_volume_safety_margin_usec
;
1017 c
->sync_volume_extra_delay_usec
= conf
->sync_volume_extra_delay_usec
;
1018 c
->exit_idle_time
= conf
->exit_idle_time
;
1019 c
->scache_idle_time
= conf
->scache_idle_time
;
1020 c
->resample_method
= conf
->resample_method
;
1021 c
->realtime_priority
= conf
->realtime_priority
;
1022 c
->realtime_scheduling
= !!conf
->realtime_scheduling
;
1023 c
->disable_remixing
= !!conf
->disable_remixing
;
1024 c
->disable_lfe_remixing
= !!conf
->disable_lfe_remixing
;
1025 c
->sync_volume
= !!conf
->sync_volume
;
1026 c
->running_as_daemon
= !!conf
->daemonize
;
1027 c
->disallow_exit
= conf
->disallow_exit
;
1028 c
->flat_volumes
= conf
->flat_volumes
;
1030 c
->server_type
= conf
->local_server_type
;
1033 c
->cpu_info
.cpu_type
= PA_CPU_UNDEFINED
;
1034 if (!getenv("PULSE_NO_SIMD")) {
1035 if (pa_cpu_init_x86(&(c
->cpu_info
.flags
.x86
)))
1036 c
->cpu_info
.cpu_type
= PA_CPU_X86
;
1037 if (pa_cpu_init_arm(&(c
->cpu_info
.flags
.arm
)))
1038 c
->cpu_info
.cpu_type
= PA_CPU_ARM
;
1039 pa_cpu_init_orc(c
->cpu_info
);
1042 pa_assert_se(pa_signal_init(pa_mainloop_get_api(mainloop
)) == 0);
1043 pa_signal_new(SIGINT
, signal_callback
, c
);
1044 pa_signal_new(SIGTERM
, signal_callback
, c
);
1046 pa_signal_new(SIGUSR1
, signal_callback
, c
);
1049 pa_signal_new(SIGUSR2
, signal_callback
, c
);
1052 pa_signal_new(SIGHUP
, signal_callback
, c
);
1056 win32_timer
= pa_mainloop_get_api(mainloop
)->time_new(pa_mainloop_get_api(mainloop
), pa_gettimeofday(&win32_tv
), message_cb
, NULL
);
1059 if (!conf
->no_cpu_limit
)
1060 pa_assert_se(pa_cpu_limit_init(pa_mainloop_get_api(mainloop
)) == 0);
1062 buf
= pa_strbuf_new();
1067 if (conf
->load_default_script_file
) {
1070 if ((f
= pa_daemon_conf_open_default_script_file(conf
))) {
1071 r
= pa_cli_command_execute_file_stream(c
, f
, buf
, &conf
->fail
);
1077 r
= pa_cli_command_execute(c
, conf
->script_commands
, buf
, &conf
->fail
);
1079 pa_log_error("%s", s
= pa_strbuf_tostring_free(buf
));
1082 if (r
< 0 && conf
->fail
) {
1083 pa_log(_("Failed to initialize daemon."));
1087 if (!c
->modules
|| pa_idxset_size(c
->modules
) == 0) {
1088 pa_log(_("Daemon startup without any loaded modules, refusing to work."));
1093 /* When we just provide the D-Bus server lookup service, we don't want
1094 * any modules to be loaded. We haven't loaded any so far, so one might
1095 * think there's no way to contact the server, but receiving certain
1096 * signals could still cause modules to load. */
1097 conf
->disallow_module_loading
= TRUE
;
1101 /* We completed the initial module loading, so let's disable it
1102 * from now on, if requested */
1103 c
->disallow_module_loading
= !!conf
->disallow_module_loading
;
1106 if (!conf
->system_instance
) {
1107 if (!(server_lookup
= pa_dbusobj_server_lookup_new(c
)))
1109 if (!(lookup_service_bus
= register_dbus_name(c
, DBUS_BUS_SESSION
, "org.PulseAudio1")))
1113 if (start_server
&& !(server_bus
= register_dbus_name(c
, conf
->system_instance
? DBUS_BUS_SYSTEM
: DBUS_BUS_SESSION
, "org.pulseaudio.Server")))
1118 if (daemon_pipe2
[1] >= 0) {
1120 pa_loop_write(daemon_pipe2
[1], &ok
, sizeof(ok
), NULL
);
1121 pa_close(daemon_pipe2
[1]);
1122 daemon_pipe2
[1] = -1;
1126 pa_log_info(_("Daemon startup complete."));
1129 if (pa_mainloop_run(mainloop
, &retval
) < 0)
1132 pa_log_info(_("Daemon shutdown initiated."));
1137 pa_dbus_connection_unref(server_bus
);
1138 if (lookup_service_bus
)
1139 pa_dbus_connection_unref(lookup_service_bus
);
1141 pa_dbusobj_server_lookup_free(server_lookup
);
1144 if (autospawn_fd
>= 0) {
1145 if (autospawn_locked
)
1146 pa_autospawn_lock_release();
1148 pa_autospawn_lock_done(FALSE
);
1152 if (mainloop
&& win32_timer
)
1153 pa_mainloop_get_api(mainloop
)->time_free(win32_timer
);
1158 pa_log_info(_("Daemon terminated."));
1161 if (!conf
->no_cpu_limit
)
1162 pa_cpu_limit_done();
1167 /* If we have daemon_pipe[1] still open, this means we've failed after
1168 * the first fork, but before the second. Therefore just write to it. */
1169 if (daemon_pipe
[1] >= 0)
1170 pa_loop_write(daemon_pipe
[1], &retval
, sizeof(retval
), NULL
);
1171 else if (daemon_pipe2
[1] >= 0)
1172 pa_loop_write(daemon_pipe2
[1], &retval
, sizeof(retval
), NULL
);
1174 pa_close_pipe(daemon_pipe2
);
1175 pa_close_pipe(daemon_pipe
);
1179 pa_mainloop_free(mainloop
);
1182 pa_daemon_conf_free(conf
);
1185 pa_pid_file_remove();
1187 /* This has no real purpose except making things valgrind-clean */
1188 pa_unset_env_recorded();