bin/60758: cycle-eating endless loop in lock(1)

[David Schultz]

The following reply was made to PR bin/60758; it has been noted by GNATS.

From: David Schultz <das at FreeBSD.ORG>
To: Colin Percival <cperciva at daemonology.net>
Cc: FreeBSD-gnats-submit at FreeBSD.ORG
Subject: Re: bin/60758: cycle-eating endless loop in lock(1)
Date: Mon, 19 Jan 2004 19:22:41 -0800

 On Wed, Dec 31, 2003, Colin Percival wrote:
 > Insert a sleep(1) call into the endless loop.  This still leaves an orphan 
 > lying around, but since lock is important for security purposes, this is 
 > probably safer than exiting.
 
 As you observe, it's not a good idea to exit the loop.  On the
 other hand, fgets(3) errors are generally not recoverable, so
 calling sleep(1) seems a bit kludgy.  How about just calling
 pause(3) if an error occurs?