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add nice and rtprio resource limit support; make rtprio and nice level to use configurable; some minor updates

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git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@2010 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering 2007-11-01 00:34:43 +00:00
parent e706f7bed7
commit 44d7c9ad9b
4 changed files with 209 additions and 85 deletions
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177
src/daemon/daemon-conf.c
View file

@ -30,6 +30,7 @@
#include <stdio.h> #include <stdio.h>
#include <string.h> #include <string.h>
#include <unistd.h> #include <unistd.h>
#include <sched.h>
#include <pulse/xmalloc.h> #include <pulse/xmalloc.h>
@ -53,10 +54,13 @@
static const pa_daemon_conf default_conf = { static const pa_daemon_conf default_conf = {
.cmd = PA_CMD_DAEMON, .cmd = PA_CMD_DAEMON,
.daemonize = 0, .daemonize = FALSE,
.fail = 1, .fail = TRUE,
.high_priority = 0, .high_priority = TRUE,
.disallow_module_loading = 0, .nice_level = -11,
.realtime_scheduling = FALSE,
.realtime_priority = 5, /* Half of JACK's default rtprio */
.disallow_module_loading = FALSE,
.exit_idle_time = -1, .exit_idle_time = -1,
.module_idle_time = 20, .module_idle_time = 20,
.scache_idle_time = 20, .scache_idle_time = 20,
@ -68,25 +72,31 @@ static const pa_daemon_conf default_conf = {
.log_level = PA_LOG_NOTICE, .log_level = PA_LOG_NOTICE,
.resample_method = PA_RESAMPLER_AUTO, .resample_method = PA_RESAMPLER_AUTO,
.config_file = NULL, .config_file = NULL,
.use_pid_file = 1, .use_pid_file = TRUE,
.system_instance = 0, .system_instance = FALSE,
.no_cpu_limit = 0, .no_cpu_limit = FALSE,
.disable_shm = 0, .disable_shm = FALSE,
.default_n_fragments = 4, .default_n_fragments = 4,
.default_fragment_size_msec = 25, .default_fragment_size_msec = 25,
.default_sample_spec = { .format = PA_SAMPLE_S16NE, .rate = 44100, .channels = 2 } .default_sample_spec = { .format = PA_SAMPLE_S16NE, .rate = 44100, .channels = 2 }
#ifdef HAVE_SYS_RESOURCE_H #ifdef HAVE_SYS_RESOURCE_H
, .rlimit_as = { .value = 0, .is_set = 0 }, , .rlimit_as = { .value = 0, .is_set = FALSE },
.rlimit_core = { .value = 0, .is_set = 0 }, .rlimit_core = { .value = 0, .is_set = FALSE },
.rlimit_data = { .value = 0, .is_set = 0 }, .rlimit_data = { .value = 0, .is_set = FALSE },
.rlimit_fsize = { .value = 0, .is_set = 0 }, .rlimit_fsize = { .value = 0, .is_set = FALSE },
.rlimit_nofile = { .value = 256, .is_set = 1 }, .rlimit_nofile = { .value = 256, .is_set = TRUE },
.rlimit_stack = { .value = 0, .is_set = 0 } .rlimit_stack = { .value = 0, .is_set = FALSE }
#ifdef RLIMIT_NPROC #ifdef RLIMIT_NPROC
, .rlimit_nproc = { .value = 0, .is_set = 0 } , .rlimit_nproc = { .value = 0, .is_set = FALSE }
#endif #endif
#ifdef RLIMIT_MEMLOCK #ifdef RLIMIT_MEMLOCK
, .rlimit_memlock = { .value = 16384, .is_set = 1 } , .rlimit_memlock = { .value = 16384, .is_set = TRUE }
#endif
#ifdef RLIMIT_NICE
, .rlimit_nice = { .value = 31, .is_set = TRUE } /* nice level of -11 */
#endif
#ifdef RLIMIT_RTPRIO
, .rlimit_rtprio = { .value = 9, .is_set = TRUE } /* One below JACK's default for the server */
#endif #endif
#endif #endif
}; };
@ -334,6 +344,42 @@ static int parse_fragment_size_msec(const char *filename, unsigned line, const c
return 0; return 0;
} }
static int parse_nice_level(const char *filename, unsigned line, const char *lvalue, const char *rvalue, void *data, PA_GCC_UNUSED void *userdata) {
pa_daemon_conf *c = data;
int32_t level;
pa_assert(filename);
pa_assert(lvalue);
pa_assert(rvalue);
pa_assert(data);
if (pa_atoi(rvalue, &level) < 0 || level < -20 || level > 19) {
pa_log("[%s:%u] Invalid nice level '%s'.", filename, line, rvalue);
return -1;
}
c->nice_level = (int) level;
return 0;
}
static int parse_rtprio(const char *filename, unsigned line, const char *lvalue, const char *rvalue, void *data, PA_GCC_UNUSED void *userdata) {
pa_daemon_conf *c = data;
int32_t rtprio;
pa_assert(filename);
pa_assert(lvalue);
pa_assert(rvalue);
pa_assert(data);
if (pa_atoi(rvalue, &rtprio) < 0 || rtprio < sched_get_priority_min(SCHED_FIFO) || rtprio > sched_get_priority_max(SCHED_FIFO)) {
pa_log("[%s:%u] Invalid realtime priority '%s'.", filename, line, rvalue);
return -1;
}
c->realtime_priority = (int) rtprio;
return 0;
}
int pa_daemon_conf_load(pa_daemon_conf *c, const char *filename) { int pa_daemon_conf_load(pa_daemon_conf *c, const char *filename) {
int r = -1; int r = -1;
FILE *f = NULL; FILE *f = NULL;
@ -342,25 +388,28 @@ int pa_daemon_conf_load(pa_daemon_conf *c, const char *filename) {
{ "daemonize", pa_config_parse_bool, NULL }, { "daemonize", pa_config_parse_bool, NULL },
{ "fail", pa_config_parse_bool, NULL }, { "fail", pa_config_parse_bool, NULL },
{ "high-priority", pa_config_parse_bool, NULL }, { "high-priority", pa_config_parse_bool, NULL },
{ "realtime-scheduling", pa_config_parse_bool, NULL },
{ "disallow-module-loading", pa_config_parse_bool, NULL }, { "disallow-module-loading", pa_config_parse_bool, NULL },
{ "use-pid-file", pa_config_parse_bool, NULL },
{ "system-instance", pa_config_parse_bool, NULL },
{ "no-cpu-limit", pa_config_parse_bool, NULL },
{ "disable-shm", pa_config_parse_bool, NULL },
{ "exit-idle-time", pa_config_parse_int, NULL }, { "exit-idle-time", pa_config_parse_int, NULL },
{ "module-idle-time", pa_config_parse_int, NULL }, { "module-idle-time", pa_config_parse_int, NULL },
{ "scache-idle-time", pa_config_parse_int, NULL }, { "scache-idle-time", pa_config_parse_int, NULL },
{ "realtime-priority", parse_rtprio, NULL },
{ "dl-search-path", pa_config_parse_string, NULL }, { "dl-search-path", pa_config_parse_string, NULL },
{ "default-script-file", pa_config_parse_string, NULL }, { "default-script-file", pa_config_parse_string, NULL },
{ "log-target", parse_log_target, NULL }, { "log-target", parse_log_target, NULL },
{ "log-level", parse_log_level, NULL }, { "log-level", parse_log_level, NULL },
{ "verbose", parse_log_level, NULL }, { "verbose", parse_log_level, NULL },
{ "resample-method", parse_resample_method, NULL }, { "resample-method", parse_resample_method, NULL },
{ "use-pid-file", pa_config_parse_bool, NULL },
{ "system-instance", pa_config_parse_bool, NULL },
{ "no-cpu-limit", pa_config_parse_bool, NULL },
{ "disable-shm", pa_config_parse_bool, NULL },
{ "default-sample-format", parse_sample_format, NULL }, { "default-sample-format", parse_sample_format, NULL },
{ "default-sample-rate", parse_sample_rate, NULL }, { "default-sample-rate", parse_sample_rate, NULL },
{ "default-sample-channels", parse_sample_channels, NULL }, { "default-sample-channels", parse_sample_channels, NULL },
{ "default-fragments", parse_fragments, NULL }, { "default-fragments", parse_fragments, NULL },
{ "default-fragment-size-msec", parse_fragment_size_msec, NULL }, { "default-fragment-size-msec", parse_fragment_size_msec, NULL },
{ "nice-level", parse_nice_level, NULL },
#ifdef HAVE_SYS_RESOURCE_H #ifdef HAVE_SYS_RESOURCE_H
{ "rlimit-as", parse_rlimit, NULL }, { "rlimit-as", parse_rlimit, NULL },
{ "rlimit-core", parse_rlimit, NULL }, { "rlimit-core", parse_rlimit, NULL },
@ -374,6 +423,12 @@ int pa_daemon_conf_load(pa_daemon_conf *c, const char *filename) {
#ifdef RLIMIT_MEMLOCK #ifdef RLIMIT_MEMLOCK
{ "rlimit-memlock", parse_rlimit, NULL }, { "rlimit-memlock", parse_rlimit, NULL },
#endif #endif
#ifdef RLIMIT_NICE
{ "rlimit-nice", parse_rlimit, NULL },
#endif
#ifdef RLIMIT_RTPRIO
{ "rlimit-rtprio", parse_rlimit, NULL },
#endif
#endif #endif
{ NULL, NULL, NULL }, { NULL, NULL, NULL },
}; };
@ -381,40 +436,55 @@ int pa_daemon_conf_load(pa_daemon_conf *c, const char *filename) {
table[0].data = &c->daemonize; table[0].data = &c->daemonize;
table[1].data = &c->fail; table[1].data = &c->fail;
table[2].data = &c->high_priority; table[2].data = &c->high_priority;
table[3].data = &c->disallow_module_loading; table[3].data = &c->realtime_scheduling;
table[4].data = &c->exit_idle_time; table[4].data = &c->disallow_module_loading;
table[5].data = &c->module_idle_time; table[5].data = &c->use_pid_file;
table[6].data = &c->scache_idle_time; table[6].data = &c->system_instance;
table[7].data = &c->dl_search_path; table[7].data = &c->no_cpu_limit;
table[8].data = &c->default_script_file; table[8].data = &c->disable_shm;
table[9].data = c; table[9].data = &c->exit_idle_time;
table[10].data = c; table[10].data = &c->module_idle_time;
table[11].data = c; table[11].data = &c->scache_idle_time;
table[12].data = c; table[12].data = c;
table[13].data = &c->use_pid_file; table[13].data = &c->dl_search_path;
table[14].data = &c->system_instance; table[14].data = &c->default_script_file;
table[15].data = &c->no_cpu_limit; table[15].data = c;
table[16].data = &c->disable_shm; table[16].data = c;
table[17].data = c; table[17].data = c;
table[18].data = c; table[18].data = c;
table[19].data = c; table[19].data = c;
table[20].data = c; table[20].data = c;
table[21].data = c; table[21].data = c;
table[22].data = c;
table[23].data = c;
table[24].data = c;
#ifdef HAVE_SYS_RESOURCE_H #ifdef HAVE_SYS_RESOURCE_H
table[22].data = &c->rlimit_as; table[25].data = &c->rlimit_as;
table[23].data = &c->rlimit_core; table[26].data = &c->rlimit_core;
table[24].data = &c->rlimit_data; table[27].data = &c->rlimit_data;
table[25].data = &c->rlimit_fsize; table[28].data = &c->rlimit_fsize;
table[26].data = &c->rlimit_nofile; table[29].data = &c->rlimit_nofile;
table[27].data = &c->rlimit_stack; table[30].data = &c->rlimit_stack;
#ifdef RLIMIT_NPROC #ifdef RLIMIT_NPROC
table[28].data = &c->rlimit_nproc; table[31].data = &c->rlimit_nproc;
#endif #endif
#ifdef RLIMIT_MEMLOCK #ifdef RLIMIT_MEMLOCK
#ifndef RLIMIT_NPROC #ifndef RLIMIT_NPROC
#error "Houston, we have a numbering problem!" #error "Houston, we have a numbering problem!"
#endif #endif
table[29].data = &c->rlimit_memlock; table[32].data = &c->rlimit_memlock;
#endif
#ifdef RLIMIT_NICE
#ifndef RLIMIT_MEMLOCK
#error "Houston, we have a numbering problem!"
#endif
table[33].data = &c->rlimit_nice;
#endif
#ifdef RLIMIT_RTPRIO
#ifndef RLIMIT_NICE
#error "Houston, we have a numbering problem!"
#endif
table[34].data = &c->rlimit_rtprio;
#endif #endif
#endif #endif
@ -474,10 +544,17 @@ char *pa_daemon_conf_dump(pa_daemon_conf *c) {
pa_assert(c->log_level <= PA_LOG_LEVEL_MAX); pa_assert(c->log_level <= PA_LOG_LEVEL_MAX);
pa_strbuf_printf(s, "daemonize = %i\n", !!c->daemonize); pa_strbuf_printf(s, "daemonize = %s\n", pa_yes_no(c->daemonize));
pa_strbuf_printf(s, "fail = %i\n", !!c->fail); pa_strbuf_printf(s, "fail = %s\n", pa_yes_no(c->fail));
pa_strbuf_printf(s, "high-priority = %i\n", !!c->high_priority); pa_strbuf_printf(s, "high-priority = %s\n", pa_yes_no(c->high_priority));
pa_strbuf_printf(s, "disallow-module-loading = %i\n", !!c->disallow_module_loading); pa_strbuf_printf(s, "nice-level = %i\n", c->nice_level);
pa_strbuf_printf(s, "realtime-scheduling = %s\n", pa_yes_no(c->realtime_scheduling));
pa_strbuf_printf(s, "realtime-priority = %i\n", c->realtime_priority);
pa_strbuf_printf(s, "disallow-module-loading = %s\n", pa_yes_no(c->disallow_module_loading));
pa_strbuf_printf(s, "use-pid-file = %s\n", pa_yes_no(c->use_pid_file));
pa_strbuf_printf(s, "system-instance = %s\n", pa_yes_no(c->system_instance));
pa_strbuf_printf(s, "no-cpu-limit = %s\n", pa_yes_no(c->no_cpu_limit));
pa_strbuf_printf(s, "disable-shm = %s\n", pa_yes_no(c->disable_shm));
pa_strbuf_printf(s, "exit-idle-time = %i\n", c->exit_idle_time); pa_strbuf_printf(s, "exit-idle-time = %i\n", c->exit_idle_time);
pa_strbuf_printf(s, "module-idle-time = %i\n", c->module_idle_time); pa_strbuf_printf(s, "module-idle-time = %i\n", c->module_idle_time);
pa_strbuf_printf(s, "scache-idle-time = %i\n", c->scache_idle_time); pa_strbuf_printf(s, "scache-idle-time = %i\n", c->scache_idle_time);
@ -486,10 +563,6 @@ char *pa_daemon_conf_dump(pa_daemon_conf *c) {
pa_strbuf_printf(s, "log-target = %s\n", c->auto_log_target ? "auto" : (c->log_target == PA_LOG_SYSLOG ? "syslog" : "stderr")); pa_strbuf_printf(s, "log-target = %s\n", c->auto_log_target ? "auto" : (c->log_target == PA_LOG_SYSLOG ? "syslog" : "stderr"));
pa_strbuf_printf(s, "log-level = %s\n", log_level_to_string[c->log_level]); pa_strbuf_printf(s, "log-level = %s\n", log_level_to_string[c->log_level]);
pa_strbuf_printf(s, "resample-method = %s\n", pa_resample_method_to_string(c->resample_method)); pa_strbuf_printf(s, "resample-method = %s\n", pa_resample_method_to_string(c->resample_method));
pa_strbuf_printf(s, "use-pid-file = %i\n", c->use_pid_file);
pa_strbuf_printf(s, "system-instance = %i\n", !!c->system_instance);
pa_strbuf_printf(s, "no-cpu-limit = %i\n", !!c->no_cpu_limit);
pa_strbuf_printf(s, "disable-shm = %i\n", !!c->disable_shm);
pa_strbuf_printf(s, "default-sample-format = %s\n", pa_sample_format_to_string(c->default_sample_spec.format)); pa_strbuf_printf(s, "default-sample-format = %s\n", pa_sample_format_to_string(c->default_sample_spec.format));
pa_strbuf_printf(s, "default-sample-rate = %u\n", c->default_sample_spec.rate); pa_strbuf_printf(s, "default-sample-rate = %u\n", c->default_sample_spec.rate);
pa_strbuf_printf(s, "default-sample-channels = %u\n", c->default_sample_spec.channels); pa_strbuf_printf(s, "default-sample-channels = %u\n", c->default_sample_spec.channels);
@ -508,6 +581,12 @@ char *pa_daemon_conf_dump(pa_daemon_conf *c) {
#ifdef RLIMIT_MEMLOCK #ifdef RLIMIT_MEMLOCK
pa_strbuf_printf(s, "rlimit-memlock = %li\n", c->rlimit_memlock.is_set ? (long int) c->rlimit_memlock.value : -1); pa_strbuf_printf(s, "rlimit-memlock = %li\n", c->rlimit_memlock.is_set ? (long int) c->rlimit_memlock.value : -1);
#endif #endif
#ifdef RLIMIT_NICE
pa_strbuf_printf(s, "rlimit-nice = %li\n", c->rlimit_memlock.is_set ? (long int) c->rlimit_nice.value : -1);
#endif
#ifdef RLIMIT_RTPRIO
pa_strbuf_printf(s, "rlimit-rtprio = %li\n", c->rlimit_memlock.is_set ? (long int) c->rlimit_rtprio.value : -1);
#endif
#endif #endif
return pa_strbuf_tostring_free(s); return pa_strbuf_tostring_free(s);

24
src/daemon/daemon-conf.h
View file

@ -26,6 +26,7 @@
***/ ***/
#include <pulsecore/log.h> #include <pulsecore/log.h>
#include <pulsecore/macro.h>
#include <pulse/sample.h> #include <pulse/sample.h>
#ifdef HAVE_SYS_RESOURCE_H #ifdef HAVE_SYS_RESOURCE_H
@ -48,29 +49,32 @@ typedef enum pa_daemon_conf_cmd {
#ifdef HAVE_SYS_RESOURCE_H #ifdef HAVE_SYS_RESOURCE_H
typedef struct pa_rlimit { typedef struct pa_rlimit {
rlim_t value; rlim_t value;
int is_set; pa_bool_t is_set;
} pa_rlimit; } pa_rlimit;
#endif #endif
/* A structure containing configuration data for the PulseAudio server . */ /* A structure containing configuration data for the PulseAudio server . */
typedef struct pa_daemon_conf { typedef struct pa_daemon_conf {
pa_daemon_conf_cmd_t cmd; pa_daemon_conf_cmd_t cmd;
int daemonize, pa_bool_t daemonize,
fail, fail,
high_priority, high_priority,
realtime_scheduling,
disallow_module_loading, disallow_module_loading,
exit_idle_time,
module_idle_time,
scache_idle_time,
auto_log_target,
use_pid_file, use_pid_file,
system_instance, system_instance,
no_cpu_limit, no_cpu_limit,
disable_shm; disable_shm;
int exit_idle_time,
module_idle_time,
scache_idle_time,
auto_log_target,
realtime_priority,
nice_level,
resample_method;
char *script_commands, *dl_search_path, *default_script_file; char *script_commands, *dl_search_path, *default_script_file;
pa_log_target_t log_target; pa_log_target_t log_target;
pa_log_level_t log_level; pa_log_level_t log_level;
int resample_method;
char *config_file; char *config_file;
#ifdef HAVE_SYS_RESOURCE_H #ifdef HAVE_SYS_RESOURCE_H
@ -81,6 +85,12 @@ typedef struct pa_daemon_conf {
#ifdef RLIMIT_MEMLOCK #ifdef RLIMIT_MEMLOCK
pa_rlimit rlimit_memlock; pa_rlimit rlimit_memlock;
#endif #endif
#ifdef RLIMIT_NICE
pa_rlimit rlimit_nice;
#endif
#ifdef RLIMIT_RTPRIO
pa_rlimit rlimit_rtprio;
#endif
#endif #endif
unsigned default_n_fragments, default_fragment_size_msec; unsigned default_n_fragments, default_fragment_size_msec;

87
src/daemon/daemon.conf.in
View file

@ -20,42 +20,58 @@
## Configuration file for the pulseaudio daemon. Default values are ## Configuration file for the pulseaudio daemon. Default values are
## commented out. Use either ; or # for commenting ## commented out. Use either ; or # for commenting
# Extra verbositiy
; verbose = 0
## Daemonize after startup ## Daemonize after startup
; daemonize = 0 ; daemonize = no
## Quit if startup fails ## Quit if startup fails
; fail = 1 ; fail = yes
## Renice the daemon to level -15 and try to get SCHED_FIFO ## Renice the daemon to level -15. This a good idea if you experience
## scheduling. This a good idea if you hear annyoing noise in the ## drop-outs in the playback. However, this is a certain security
## playback. However, this is a certain security issue, since it works ## issue, since it works when called SUID root only. root is dropped
## when called SUID root only. root is dropped immediately after gaining ## immediately after gaining the nice level on startup, thus it is
## the nice level and SCHED_FIFO scheduling on startup. ## presumably safe.
; high-priority = 0 ; high-priority = yes
## Try to acquire SCHED_FIFO scheduling for the IO threads. The same
## security concerns as mentioned above apply. However, if PA enters
## an endless loop, realtime scheduling causes a system lockup. Thus,
## realtime scheduling should only be enabled on trusted machines for
## now. Please not that only the IO threads of PulseAudio are made
## real-time. The controlling thread is left a normally scheduled
## thread. Thus the enabling the high-priority option is orthogonal.
; realtime-scheduling = no
## The realtime priority to acquire, if realtime-scheduling is
## enabled. (Note: JACK uses 10 by default, 9 for clients -- some
## PulseAudio threads might choose a priority a little lower or higher
## than this value.)
; realtime-priority = 5
## The nice level to acquire for the daemon, if high-priority is
## enabled. (Note: on some distributions X11 uses -10 by default.)
; nice-level = -11
## Disallow module loading after startup ## Disallow module loading after startup
; disallow-module-loading = 0 ; disallow-module-loading = no
## Terminate the daemon after the last client quit and this time ## Terminate the daemon after the last client quit and this time
## passed. Use a negative value to disable this feature. ## passed. Use a negative value to disable this feature.
; exit-idle-time = -1 ; exit-idle-time = -1
## Unload autoloaded modules after being idle for this time ## Unload autoloaded modules after being idle for this time
; module-idle-time = 20 ; module-idle-time = 20
## Unload autoloaded sample cache entries after being idle for this time ## Unload autoloaded sample cache entries after being idle for this time
; scache-idle-time = 20 ; scache-idle-time = 20
## The path were to look for dynamic shared objects (DSOs aka ## The path were to look for dynamic shared objects (DSOs aka
## plugins). You may specify more than one path seperated by ## plugins). You may specify more than one path seperated by
## colons. ## colons.
; dl-search-path = @PA_DLSEARCHPATH@ ; dl-search-path = @PA_DLSEARCHPATH@
## The default script file to load. Specify an empty string for not ## The default script file to load. Specify an empty string for not
## loading a default script file. The ## loading a default script file. The
; default-script-file = @PA_DEFAULT_CONFIG_FILE@ ; default-script-file = @PA_DEFAULT_CONFIG_FILE@
## The default log target. Use either "stderr", "syslog" or ## The default log target. Use either "stderr", "syslog" or
@ -63,31 +79,42 @@
## true, otherwise to "stderr". ## true, otherwise to "stderr".
; log-target = auto ; log-target = auto
# Log level, one of debug, info, notice, warning, error. Log messages
# with a lower log level than specified here are not logged,
; log-level = notice
## The resampling algorithm to use. Use one of src-sinc-best-quality, ## The resampling algorithm to use. Use one of src-sinc-best-quality,
## src-sinc-medium-quality, src-sinc-fastest, src-zero-order-hold, ## src-sinc-medium-quality, src-sinc-fastest, src-zero-order-hold,
## src-linear, trivial. See the documentation of libsamplerate for an ## src-linear, trivial, speex-float-N, speex-fixed-N, ffmpeg. See the
## explanation for the different methods. The method 'trivial' is the ## documentation of libsamplerate for an explanation for the different
## only algorithm implemented without usage of floating point ## src- methods. The method 'trivial' is the most basic algorithm
## numbers. If you're tight on CPU consider using this. On the other ## implemented. If you're tight on CPU consider using this. On the
## hand it has the worst quality of all. ## other hand it has the worst quality of them all. The speex
; resample-method = sinc-fastest ## resamplers take an integer quality setting in the range 0..9
## (bad...good). They exist in two flavours: fixed and float. The
## former uses fixed point numbers, the latter relies on floating
## point numbers. On most desktop CPUs the float point resmapler is a
## lot faster, and it also offers slightly better quality.
; resample-method = speex-float-3
## Create a PID file in /tmp/pulseaudio-$USER/pid. Of this is enabled ## Create a PID file in /tmp/pulseaudio-$USER/pid. Of this is enabled
## you may use commands like "pulseaudio --kill" or "pulseaudio ## you may use commands like "pulseaudio --kill" or "pulseaudio
## --check". If you are planning to start more than one pulseaudio ## --check". If you are planning to start more than one pulseaudio
## process per user, you better disable this option since it ## process per user, you better disable this option since it
## effectively disables multiple instances. ## effectively disables multiple instances.
; use-pid-file = 1 ; use-pid-file = yes
## Do not install the CPU load limit, even on platforms where it is ## Do not install the CPU load limit, even on platforms where it is
## supported. This option is useful when debugging/profiling ## supported. This option is useful when debugging/profiling
## PulseAudio to disable disturbing SIGXCPU signals. ## PulseAudio to disable disturbing SIGXCPU signals.
; no-cpu-limit = 0 ; no-cpu-limit = no
## Run the daemon as system-wide instance, requires root priviliges ## Run the daemon as system-wide instance, requires root priviliges
; system-instance = 0 ; system-instance = no
## Resource limits, see getrlimit(2) for more information ## Resource limits, see getrlimit(2) for more information. Set to -1
## if PA shouldn't touch the resource limit. Not all resource limits
## are available on all operating systems.
; rlimit-as = -1 ; rlimit-as = -1
; rlimit-core = -1 ; rlimit-core = -1
; rlimit-data = -1 ; rlimit-data = -1
@ -96,9 +123,11 @@
; rlimit-stack = -1 ; rlimit-stack = -1
; rlimit-nproc = -1 ; rlimit-nproc = -1
; rlimit-memlock = 16384 ; rlimit-memlock = 16384
; rlimit-nice = 31
; rlimit-rtprio = 9
## Disable shared memory data transfer ## Disable shared memory data transfer
; disable-shm = 0 ; disable-shm = no
## Default sample format ## Default sample format
; default-sample-format = s16le ; default-sample-format = s16le

6
src/daemon/main.c
View file

@ -307,6 +307,12 @@ static void set_all_rlimits(const pa_daemon_conf *conf) {
#ifdef RLIMIT_MEMLOCK #ifdef RLIMIT_MEMLOCK
set_one_rlimit(&conf->rlimit_memlock, RLIMIT_MEMLOCK, "RLIMIT_MEMLOCK"); set_one_rlimit(&conf->rlimit_memlock, RLIMIT_MEMLOCK, "RLIMIT_MEMLOCK");
#endif #endif
#ifdef RLIMIT_NICE
set_one_rlimit(&conf->rlimit_nice, RLIMIT_NICE, "RLIMIT_NICE");
#endif
#ifdef RLIMIT_RTPRIO
set_one_rlimit(&conf->rlimit_rtprio, RLIMIT_RTPRIO, "RLIMIT_RTPRIO");
#endif
} }
#endif #endif