From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ulrich Drepper <drepper@cygnus.com>
To: Joel Klecker <jk@espy.org>
Cc: libc-hacker@sourceware.cygnus.com, 42343-forwarded@bugs.debian.org
Subject: Re: Fwd: Bug#42343: libc6: gethostbyaddr() can hang indefinitely
Date: Fri, 06 Aug 1999 20:17:00 -0000
Message-id: <m3r9lg1duy.fsf@localhost.localnet>
References: <v04205500b3cbabdb3009@[206.163.71.146]>
X-SW-Source: 1999-08/msg00013.html

Joel Klecker <jk@espy.org> writes:

> The resolver routines that glibc uses use select() internally. If the
> select() gets interrupted, it gets restarted, but the timeout value
> is re-initialized. If you have a timer in your program that uses
> signal(SIGALRM)/alarm() and it runs more often than the select timeout,
> gethostbyaddr() for example will hang forever if a DNS packet gets lost.

I've fixed this hopefully now for 2.1.2.

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