[K12OSN] LD_PRELOAD for sound and prelink

Toshio Kuratomi toshio at tiki-lounge.com
Mon Jul 24 20:04:49 UTC 2006

Hey all,

We're discussing getting pulseaudio into Fedora Extras as a replacement
for esd (and later possibly replacing esd within Fedora Core.)

It's come up that using LD_PRELOAD to load the libesddsp wrapper (as the
ltsp_sound package does) will probably stop prelink from working.  By
setting this system wide (rather than using the esddsp wrapper
specifically for the sound applications in question) there will be a
performance penalty for every application that the user starts.  Has
anyone experimented with this?  Do you see a hit in initial startup for
an application with the LD_PRELOAD enabling the sound wrapper vs not

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