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From: Joe Marcus Clarke <marcus@marcuscom.com>
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Subject: Getting a fully-qualified path from a PID
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What is the canonical way for a userland application to get the
fully-qualified path of an executable from its running PID?  I know I
can do a readlink(2) on /proc/pid/file, but procfs is deprecated on 5.X,
correct?  Is there a more appropriate way to do this?  Thanks.

Joe

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