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Re: [PATCH] abort: Only flush file-based stdio streams before termination

• From: Adhemerval Zanella <adhemerval dot zanella at linaro dot org>
• To: libc-alpha at sourceware dot org
• Date: Thu, 17 Aug 2017 10:50:17 -0300
• Subject: Re: [PATCH] abort: Only flush file-based stdio streams before termination
• Authentication-results: sourceware.org; auth=none
• References: <20170817133507.CEA5341DB79B0@oldenburg.str.redhat.com> <5453e6d9-11dd-5dce-f38f-4c8793864ddc@redhat.com>

On 17/08/2017 10:45, Carlos O'Donell wrote:> On 08/17/2017 09:35 AM, Florian Weimer wrote:>> Historically, glibc flushes streams on abort, which is not>> required by POSIX.  This can trigger additional work>> (including callbacks through function pointers) in processes>> which are known to be in a bad state.  After this change,>> only streams which are backed by the standard descriptor-based>> implementation are flushed.> > Does this mean open_memstream streams to NVM won't be flushed by> default?> > As a user I might be convinced that my own custom streams need to> flushed by hand in an abort handler, but I might expect open_memstream> streams to be flushed.> For my BZ#21735 fix (libio: Fix open_memstream fflush (NULL)), youindicate you asked for clarification regarding open_memstream [1].  I think we should follow the same semantic for abort after Austin Group clarification.[1]http://austingroupbugs.net/view.php?id=1156

• Follow-Ups:
  • Re: [PATCH] abort: Only flush file-based stdio streams before termination
    • From: Carlos O'Donell
  • Re: [PATCH] abort: Only flush file-based stdio streams before termination
    • From: Florian Weimer

• References:
  • [PATCH] abort: Only flush file-based stdio streams before termination
    • From: Florian Weimer
  • Re: [PATCH] abort: Only flush file-based stdio streams before termination
    • From: Carlos O'Donell