ptsname_r

[Christopher Faylor]

On Mon, Nov 07, 2011 at 01:45:47PM -0700, Eric Blake wrote:
>On 11/07/2011 12:35 PM, Christopher Faylor wrote:
>> On Mon, Nov 07, 2011 at 12:14:01PM -0700, Eric Blake wrote:
>>> Since ptsname() is not thread-safe on all platforms, it would be nice if
>>> cygwin could also export ptsname_r() to match glibc.
>>>
>>> If no one beats me to it, I'll try and submit patches this week.
>>
>> I'll do it.  I've been in this code recently so it's fresh in my mind.
>
>Thanks.  Also, even with your patches of today, ptsname() is still not 
>thread-safe; should we be sticking that in a thread-local buffer rather 
>than in static storage, similar to how other functions like strerror() 
>are thread-safe?

Why would we do that when it hasn't been thread-safe for years and it is
acceptable behavior for it not to be.  The thread-local storage is
precious and I don't see a pressing need for this to be thread-safe.

cgf

--
Problem reports:       http://cygwin.com/problems.html
FAQ:                   http://cygwin.com/faq/
Documentation:         http://cygwin.com/docs.html
Unsubscribe info:      http://cygwin.com/ml/#unsubscribe-simple