Horton

Re: Thread-unsafe coding in ecpg

Andrew Dunstan <andrew.dunstan@2ndquadrant.com>

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From: Andrew Dunstan <andrew.dunstan@2ndquadrant.com>
To: Tom Lane <tgl@sss.pgh.pa.us>, "Joshua D. Drake" <jd@commandprompt.com>
Cc: Andres Freund <andres@anarazel.de>, "Tsunakawa, Takayuki" <tsunakawa.takay@jp.fujitsu.com>, Michael Meskes <meskes@postgresql.org>, "pgsql-hackers@lists.postgresql.org" <pgsql-hackers@lists.postgresql.org>
Date: 2019-01-22T03:00:57Z
Lists: pgsql-hackers 
On 1/21/19 3:25 PM, Tom Lane wrote:
> "Joshua D. Drake" <jd@commandprompt.com> writes:
>> On 1/21/19 12:05 PM, Tom Lane wrote:
>>> Is there a newer version of mingw that does have this functionality?
>> Apparently this can be done with thee 64bit version:
>> https://stackoverflow.com/questions/33647271/how-to-use-configthreadlocale-in-mingw
> Hmm, the followup question makes it sound like it still didn't work :-(.
>
> However, since the mingw build is autoconf-based, seems like we can
> install a configure check instead of guessing.  Will make it so.
>
> Task for somebody else: run a MinGW64 buildfarm member.
>
> 			


I could set that up in just about two shakes of a lamb's tail - I have a
script to do so all tested on vagrant/aws within the last few months.


What I don't have is resources. My Windows resources are pretty much
tapped out. I would need either some modest hardware or a Windows VM
somewhere in the cloud - could be anywhere but I'm most at home on AWS.


cheers


andrew


-- 
Andrew Dunstan                https://www.2ndQuadrant.com
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

Commits

  1. Remove _configthreadlocale() calls in ecpg test suite.

  2. Remove infinite-loop hazards in ecpg test suite.

  3. Blind attempt to fix _configthreadlocale() failures on MinGW.

  4. Avoid thread-safety problem in ecpglib.

  5. Second try at fixing ecpglib thread-safety problem.