merge 'lennart' branch back into trunk.

git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@1971 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering 2007-10-28 19:13:50 +00:00
parent 6687dd0131
commit a67c21f093
294 changed files with 79057 additions and 11614 deletions

View file

@ -33,7 +33,6 @@
#include <stdio.h>
#include <signal.h>
#include <stddef.h>
#include <assert.h>
#include <ltdl.h>
#include <limits.h>
#include <fcntl.h>
@ -59,13 +58,16 @@
#include <tcpd.h>
#endif
#include "../pulsecore/winsock.h"
#ifdef HAVE_DBUS
#include <dbus/dbus.h>
#endif
#include <pulse/mainloop.h>
#include <pulse/mainloop-signal.h>
#include <pulse/timeval.h>
#include <pulse/xmalloc.h>
#include <pulsecore/winsock.h>
#include <pulsecore/core-error.h>
#include <pulsecore/core.h>
#include <pulsecore/memblock.h>
@ -78,12 +80,20 @@
#include <pulsecore/pid.h>
#include <pulsecore/namereg.h>
#include <pulsecore/random.h>
#include <pulsecore/rtsig.h>
#include <pulsecore/rtclock.h>
#include <pulsecore/macro.h>
#include <pulsecore/mutex.h>
#include <pulsecore/thread.h>
#include <pulsecore/once.h>
#include <pulsecore/shm.h>
#include "cmdline.h"
#include "cpulimit.h"
#include "daemon-conf.h"
#include "dumpmodules.h"
#include "caps.h"
#include "ltdl-bind-now.h"
#ifdef HAVE_LIBWRAP
/* Only one instance of these variables */
@ -120,7 +130,7 @@ static void message_cb(pa_mainloop_api*a, pa_time_event*e, PA_GCC_UNUSED const s
#endif
static void signal_callback(pa_mainloop_api*m, PA_GCC_UNUSED pa_signal_event *e, int sig, void *userdata) {
pa_log_info("Got signal %s.", pa_strsignal(sig));
pa_log_info("Got signal %s.", pa_sig2str(sig));
switch (sig) {
#ifdef SIGUSR1
@ -153,14 +163,6 @@ static void signal_callback(pa_mainloop_api*m, PA_GCC_UNUSED pa_signal_event *e,
}
}
static void close_pipe(int p[2]) {
if (p[0] != -1)
close(p[0]);
if (p[1] != -1)
close(p[1]);
p[0] = p[1] = -1;
}
#define set_env(key, value) putenv(pa_sprintf_malloc("%s=%s", (key), (value)))
#if defined(HAVE_PWD_H) && defined(HAVE_GRP_H)
@ -281,7 +283,7 @@ static int create_runtime_dir(void) {
static void set_one_rlimit(const pa_rlimit *r, int resource, const char *name) {
struct rlimit rl;
assert(r);
pa_assert(r);
if (!r->is_set)
return;
@ -313,13 +315,11 @@ int main(int argc, char *argv[]) {
pa_strbuf *buf = NULL;
pa_daemon_conf *conf = NULL;
pa_mainloop *mainloop = NULL;
char *s;
int r, retval = 1, d = 0;
int r = 0, retval = 1, d = 0;
int daemon_pipe[2] = { -1, -1 };
int suid_root, real_root;
int valid_pid_file = 0;
gid_t gid = (gid_t) -1;
#ifdef OS_IS_WIN32
@ -327,6 +327,23 @@ int main(int argc, char *argv[]) {
struct timeval tv;
#endif
#if defined(__linux__) && defined(__OPTIMIZE__)
/*
Disable lazy relocations to make usage of external libraries
more deterministic for our RT threads. We abuse __OPTIMIZE__ as
a check whether we are a debug build or not.
*/
if (!getenv("LD_BIND_NOW")) {
putenv(pa_xstrdup("LD_BIND_NOW=1"));
/* We have to execute ourselves, because the libc caches the
* value of $LD_BIND_NOW on initialization. */
pa_assert_se(execv("/proc/self/exe", argv) == 0);
}
#endif
#ifdef HAVE_GETUID
real_root = getuid() == 0;
suid_root = !real_root && geteuid() == 0;
@ -336,16 +353,26 @@ int main(int argc, char *argv[]) {
#endif
if (suid_root) {
if (pa_limit_caps() > 0)
/* We managed to drop capabilities except the needed
* ones. Hence we can drop the uid. */
pa_drop_root();
/* Drop all capabilities except CAP_SYS_NICE */
pa_limit_caps();
/* Drop priviliges, but keep CAP_SYS_NICE */
pa_drop_root();
/* After dropping root, the effective set is reset, hence,
* let's raise it again */
pa_limit_caps();
/* When capabilities are not supported we will not be able to
* aquire RT sched anymore. But yes, that's the way it is. It
* is just too risky tun let PA run as root all the time. */
}
setlocale(LC_ALL, "");
if (suid_root && (pa_own_uid_in_group(PA_REALTIME_GROUP, &gid) <= 0 || gid >= 1000)) {
pa_log_warn("WARNING: called SUID root, but not in group '"PA_REALTIME_GROUP"'.");
if (suid_root && (pa_own_uid_in_group(PA_REALTIME_GROUP, &gid) <= 0)) {
pa_log_info("Warning: Called SUID root, but not in group '"PA_REALTIME_GROUP"'. "
"For enabling real-time scheduling please become a member of '"PA_REALTIME_GROUP"' , or increase the RLIMIT_RTPRIO user limit.");
pa_drop_caps();
pa_drop_root();
suid_root = real_root = 0;
@ -353,8 +380,7 @@ int main(int argc, char *argv[]) {
LTDL_SET_PRELOADED_SYMBOLS();
r = lt_dlinit();
assert(r == 0);
pa_ltdl_init();
#ifdef OS_IS_WIN32
{
@ -386,7 +412,7 @@ int main(int argc, char *argv[]) {
if (conf->high_priority && conf->cmd == PA_CMD_DAEMON)
pa_raise_priority();
if (suid_root) {
if (suid_root && (conf->cmd != PA_CMD_DAEMON || !conf->high_priority)) {
pa_drop_caps();
pa_drop_root();
}
@ -408,6 +434,16 @@ int main(int argc, char *argv[]) {
goto finish;
}
case PA_CMD_DUMP_RESAMPLE_METHODS: {
int i;
for (i = 0; i < PA_RESAMPLER_MAX; i++)
if (pa_resample_method_supported(i))
printf("%s\n", pa_resample_method_to_string(i));
goto finish;
}
case PA_CMD_HELP :
pa_cmdline_help(argv[0]);
retval = 0;
@ -440,8 +476,15 @@ int main(int argc, char *argv[]) {
goto finish;
case PA_CMD_CLEANUP_SHM:
if (pa_shm_cleanup() >= 0)
retval = 0;
goto finish;
default:
assert(conf->cmd == PA_CMD_DAEMON);
pa_assert(conf->cmd == PA_CMD_DAEMON);
}
if (real_root && !conf->system_instance) {
@ -474,7 +517,7 @@ int main(int argc, char *argv[]) {
if (child != 0) {
/* Father */
close(daemon_pipe[1]);
pa_assert_se(pa_close(daemon_pipe[1]) == 0);
daemon_pipe[1] = -1;
if (pa_loop_read(daemon_pipe[0], &retval, sizeof(retval), NULL) != sizeof(retval)) {
@ -490,7 +533,7 @@ int main(int argc, char *argv[]) {
goto finish;
}
close(daemon_pipe[0]);
pa_assert_se(pa_close(daemon_pipe[0]) == 0);
daemon_pipe[0] = -1;
#endif
@ -505,9 +548,9 @@ int main(int argc, char *argv[]) {
#endif
#ifndef OS_IS_WIN32
close(0);
close(1);
close(2);
pa_close(0);
pa_close(1);
pa_close(2);
open("/dev/null", O_RDONLY);
open("/dev/null", O_WRONLY);
@ -529,12 +572,12 @@ int main(int argc, char *argv[]) {
#ifdef TIOCNOTTY
if ((tty_fd = open("/dev/tty", O_RDWR)) >= 0) {
ioctl(tty_fd, TIOCNOTTY, (char*) 0);
close(tty_fd);
pa_assert_se(pa_close(tty_fd) == 0);
}
#endif
}
chdir("/");
pa_assert_se(chdir("/") == 0);
umask(0022);
if (conf->system_instance) {
@ -564,18 +607,37 @@ int main(int argc, char *argv[]) {
signal(SIGPIPE, SIG_IGN);
#endif
mainloop = pa_mainloop_new();
assert(mainloop);
pa_log_info("Page size is %lu bytes", (unsigned long) PA_PAGE_SIZE);
if (pa_rtclock_hrtimer())
pa_log_info("Fresh high-resolution timers available! Bon appetit!");
else
pa_log_info("Dude, your kernel stinks! The chef's recommendation today is Linux with high-resolution timers enabled!");
#ifdef SIGRTMIN
/* Valgrind uses SIGRTMAX. To easy debugging we don't use it here */
pa_rtsig_configure(SIGRTMIN, SIGRTMAX-1);
#endif
pa_assert_se(mainloop = pa_mainloop_new());
if (!(c = pa_core_new(pa_mainloop_get_api(mainloop), !conf->disable_shm))) {
pa_log("pa_core_new() failed.");
pa_log("pa_core_new() failed.");
goto finish;
}
c->is_system_instance = !!conf->system_instance;
c->high_priority = !!conf->high_priority;
c->default_sample_spec = conf->default_sample_spec;
c->default_n_fragments = conf->default_n_fragments;
c->default_fragment_size_msec = conf->default_fragment_size_msec;
c->disallow_module_loading = conf->disallow_module_loading;
c->exit_idle_time = conf->exit_idle_time;
c->module_idle_time = conf->module_idle_time;
c->scache_idle_time = conf->scache_idle_time;
c->resample_method = conf->resample_method;
r = pa_signal_init(pa_mainloop_get_api(mainloop));
assert(r == 0);
pa_assert_se(pa_signal_init(pa_mainloop_get_api(mainloop)) == 0);
pa_signal_new(SIGINT, signal_callback, c);
pa_signal_new(SIGTERM, signal_callback, c);
@ -590,9 +652,7 @@ int main(int argc, char *argv[]) {
#endif
#ifdef OS_IS_WIN32
timer = pa_mainloop_get_api(mainloop)->time_new(
pa_mainloop_get_api(mainloop), pa_gettimeofday(&tv), message_cb, NULL);
assert(timer);
pa_assert_se(timer = pa_mainloop_get_api(mainloop)->time_new(pa_mainloop_get_api(mainloop), pa_gettimeofday(&tv), message_cb, NULL));
#endif
if (conf->daemonize)
@ -600,10 +660,8 @@ int main(int argc, char *argv[]) {
oil_init();
if (!conf->no_cpu_limit) {
r = pa_cpu_limit_init(pa_mainloop_get_api(mainloop));
assert(r == 0);
}
if (!conf->no_cpu_limit)
pa_assert_se(pa_cpu_limit_init(pa_mainloop_get_api(mainloop)) == 0);
buf = pa_strbuf_new();
if (conf->default_script_file)
@ -634,12 +692,6 @@ int main(int argc, char *argv[]) {
pa_loop_write(daemon_pipe[1], &retval, sizeof(retval), NULL);
#endif
c->disallow_module_loading = conf->disallow_module_loading;
c->exit_idle_time = conf->exit_idle_time;
c->module_idle_time = conf->module_idle_time;
c->scache_idle_time = conf->scache_idle_time;
c->resample_method = conf->resample_method;
if (c->default_sink_name &&
pa_namereg_get(c, c->default_sink_name, PA_NAMEREG_SINK, 1) == NULL) {
pa_log_error("%s : Fatal error. Default sink name (%s) does not exist in name register.", __FILE__, c->default_sink_name);
@ -656,7 +708,7 @@ int main(int argc, char *argv[]) {
pa_mainloop_get_api(mainloop)->time_free(timer);
#endif
pa_core_free(c);
pa_core_unref(c);
if (!conf->no_cpu_limit)
pa_cpu_limit_done();
@ -676,13 +728,17 @@ finish:
if (valid_pid_file)
pa_pid_file_remove();
close_pipe(daemon_pipe);
pa_close_pipe(daemon_pipe);
#ifdef OS_IS_WIN32
WSACleanup();
#endif
lt_dlexit();
pa_ltdl_done();
#ifdef HAVE_DBUS
dbus_shutdown();
#endif
return retval;
}