From owner-freebsd-hackers  Mon Aug  9 22:36:21 1999
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Date: Mon, 09 Aug 1999 23:31:13 -0600
From: Wes Peters <wes@softweyr.com>
Organization: Softweyr LLC
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To: ognir@humboldt1.com
Cc: louie@TransSys.COM, steve_tarkalson@hotmail.com,
	bmcgover@cisco.com, dan@trinsec.com, hackers@FreeBSD.ORG
Subject: Re: gethostbyaddr() and threads.
References: <199908092354.QAA18586@home.humboldt1.com>
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Joe Groff wrote:
> 
> ---Louis A. Mamakos said:
> >> You could malloc() a struct hostent for each call to
> >> gethostby*(), each time registering the hostent in some list along with the
> >> thread's PID. If the same thread calls gethostby*, use the same buffer, or
> >> allocate a new one if another thread calls it. Have a static function be
> > called
> >> atexit to free all the mallocs.
> >
> > Yuk!
> >
> > If you're writing a multithreaded program, a slightly different API for
> > gethostbyname() is likely to be the least of your worries.
> >
> Yeah, that IS a horrible idea of mine. :) Changing the API should be a last
> resort, though, since we don't want to introduce to many FreeBSDisms into the
> already-fragmented-enough Unix world.
> 
> Just a thought, how does Linux's GNU libc handle gethostby* in threaded apps?

Probably the way POSIX specifies, which would certainly be *our* target.

-- 
            "Where am I, and what am I doing in this handbasket?"

Wes Peters                                                         Softweyr LLC
http://softweyr.com/                                           wes@softweyr.com


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