[PATCH] abort: Only flush file-based stdio streams before termination
Florian Weimer
fweimer@redhat.com
Thu Aug 17 14:35:00 GMT 2017
On 08/17/2017 04:29 PM, Andreas Schwab wrote:
> On Aug 17 2017, fweimer@redhat.com (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.
>
> That still doesn't make abort thread-safe.
Do you mean async-signal-safe?
Sure, but I think it's an incremental improvement over what we have today.
I'm also fine with pulling all the flushing from abort. But I don't
know if we have consensus for that.
Thanks,
Florian
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