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Date:      Thu, 20 Oct 2016 19:58:32 +0000
From:      Colin Percival <cperciva@tarsnap.com>
To:        Dag-Erling Smorgrav <des@FreeBSD.org>, src-committers@FreeBSD.org, "svn-src-all@freebsd.org" <svn-src-all@freebsd.org>
Subject:   Re: cvs commit: src/sys/sys _types.h resource.h
Message-ID:  <01000157e3ac7333-7f3a65f0-9ac8-40ba-a5e9-b88df9d4e042-000000@email.amazonses.com>
In-Reply-To: <200411081805.iA8I5hVK038813@repoman.freebsd.org>
References:  <200411081805.iA8I5hVK038813@repoman.freebsd.org>

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On 11/08/04 10:05, Dag-Erling Smorgrav wrote:
> des         2004-11-08 18:05:43 UTC
>
>   FreeBSD src repository
>
>   Modified files:
>     sys/sys              _types.h resource.h
>   Log:
>   Document why rlim_t needs to be a signed type.
>   Define RLIM_INFINITY as INT64_MAX instead of hand-rolling it.

>From r137390:
> -typedef	__int64_t	__rlim_t;	/* resource limit (XXX not unsigned) */
> +typedef	__int64_t	__rlim_t;	/* resource limit - intentionally */
> +					/* signed, because of legacy code */
> +					/* that uses -1 for RLIM_INFINITY */

Is it time to drop compatibility for code which was "legacy" 12 years ago
in order to conform to the POSIX stipulation that rlim_t should be unsigned?

-- 
Colin Percival
Security Officer Emeritus, FreeBSD | The power to serve
Founder, Tarsnap | www.tarsnap.com | Online backups for the truly paranoid



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