> Could arts be hacked so that it plays non-wav files in > non-realtime-priority mode on Linux 2.4 + ALSA systems?
No; only suid artswrapper has the necessary privs to change the kernel scheduling priority of the artsd thread, and it (correctly, so I can't assert that there's a security issue here ;) drops suid privs immediately after this change. However, a more realistic workaround might be for artswrapper to detect the kernel version and avoid fiddling with scheduler policies at all on 2.4 (possibly in favor of setting nice levels instead, if this is safe). -- Steve Langasek postmodern programmer
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