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Daemon

Command Line Arguments

The PulseAudio daemon accepts several command line arguments:

[[!format txt """ COMMANDS: -h, --help Show this help --version Show version --dump-conf Dump default configuration --dump-modules Dump list of available modules -k --kill Kill a running daemon --check Check for a running daemon

OPTIONS: --system[=BOOL] Run as system-wide instance -D, --daemonize[=BOOL] Daemonize after startup --fail[=BOOL] Quit when startup fails --verbose[=BOOL] Be slightly more verbose --high-priority[=BOOL] Try to set high process priority (only available as root) --disallow-module-loading[=BOOL] Disallow module loading after startup --exit-idle-time=SECS Terminate the daemon when idle and this time passed --module-idle-time=SECS Unload autoloaded modules when idle and this time passed --scache-idle-time=SECS Unload autoloaded samples when idle and this time passed --log-level[=LEVEL] Increase or set verbosity level -v Increase the verbosity level --log-target={auto,syslog,stderr} Specify the log target -p, --dl-search-path=PATH Set the search path for dynamic shared objects (plugins) --resample-method=[METHOD] Use the specified resampling method (one of src-sinc-medium-quality, src-sinc-best-quality,src-sinc-fastest src-zero-order-hold,src-linear,trivial) --use-pid-file[=BOOL] Create a PID file

STARTUP SCRIPT: -L, --load="MODULE ARGUMENTS" Load the specified plugin module with the specified argument -F, --file=FILENAME Run the specified script -C Open a command line on the running TTY after startup

-n Don't load default script file """]]

Example

It is a good idea to run the daemon like this:

[[!format txt """ pulseaudio -D """]] This will run /etc/pulse/default.pa after startup. This should be a script written in the CLI language.

Signals

The following signals are trapped specially:

SIGINT

The daemon is shut down cleanly. SIGUSR1
The daemon tries to load the module module-cli, effectively providing a command line interface on the calling TTY. SIGUSR2
The daemon tries to load the module module-cli-protocol-unix, effectively providing a command line interface on a special UNIX domain socket. SIGHUP
The daemon logs the current server layout.