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Date:      Mon, 11 Feb 2002 07:15:33 +1100 (EST)
From:      Bruce Evans <bde@zeta.org.au>
To:        Daniel Eischen <eischen@pcnet1.pcnet.com>
Cc:        Kevin Day <toasty@shell.dragondata.com>, <current@FreeBSD.ORG>, <bde@FreeBSD.ORG>
Subject:   Re: function name collision on "getcontext" with ports/editors/joe
Message-ID:  <20020211070518.F9189-100000@gamplex.bde.org>
In-Reply-To: <Pine.GSO.4.10.10202101002040.15554-100000@pcnet1.pcnet.com>

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On Sun, 10 Feb 2002, Daniel Eischen wrote:

> Hmm, <sys/signal.h> includes <sys/ucontext.h>.  I'm not sure why though.
> bde might know.

<sys/signal.h> includes <machine/signal.h> for the normal namespace
pollution that was needed to use sigreturn(2) (except sigreturn(2)
itself isn't actually declared anywhere).  Including <sys/ucontext.h>
gives the corresponding namespace pollution for using the current
sigreturn(2).  This is probably a mistake.  (Don't believe the
sigreturn man page; it documents osigreturn(2) for the i386 only.)
Programs shouldn't have any problems with this, since they should
define _POSIX_SOURCE if they only want the POSIX namespace ;-).

Bruce


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