artswrapper
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artswrapper

To provide good real-time response, artsd is usually run as a real-time process (on platforms where real-time priorities are supported). This requires root permissions, so to minimize the security implications, artsd can be started using the small wrapper program artswrapper which simply sets real-time priority (running as root) and then executes artsd as a non-root user.

If you make artswrapper SUID root, it will likely improve the quality of your audio playback by reducing gaps in the music. However, it also increases the risk that a bug in the code or a malicious user can crash or otherwise harm your machine. In addition, on multi-user machines, prioritizing high-quality audio may result in deteriorated performance for the users who are trying to make “productive” use of the machine.

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