From owner-freebsd-standards@FreeBSD.ORG  Wed Sep 12 13:50:07 2012
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Date: Wed, 12 Sep 2012 13:50:07 GMT
Message-Id: <201209121350.q8CDo7a5032799@freefall.freebsd.org>
To: freebsd-standards@FreeBSD.org
From: Sergey Kandaurov <pluknet@gmail.com>
Cc: 
Subject: Re: standards/171572: ptsname(-1) returns errno 0
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The following reply was made to PR standards/171572; it has been noted by GNATS.

From: Sergey Kandaurov <pluknet@gmail.com>
To: bug-followup@FreeBSD.org, emaste@FreeBSD.org
Cc:  
Subject: Re: standards/171572: ptsname(-1) returns errno 0
Date: Wed, 12 Sep 2012 17:40:22 +0400

 This is regression (or was it an intended change?) from 8.x's MPSAFE TTY:
 
 in 8.x ptsname() was changed so that:
 /* Make sure ptsname() does not overwrite errno. */