RE: Thread-unsafe coding in ecpg

Tsunakawa, Takayuki <tsunakawa.takay@jp.fujitsu.com>

From: "Tsunakawa, Takayuki" <tsunakawa.takay@jp.fujitsu.com>

To: 'Tom Lane' <tgl@sss.pgh.pa.us>, Michael Meskes <meskes@postgresql.org>

Cc: "pgsql-hackers@lists.postgresql.org" <pgsql-hackers@lists.postgresql.org>

Date: 2019-01-21T02:14:17Z

Lists: pgsql-hackers

On Windows, _configthreadlocale() enables us to restrict the effect of setlocale() only to the calling thread.  We can call it in ecpg_do_prolog/epilog().

https://docs.microsoft.com/en-us/cpp/parallel/multithreading-and-locales?view=vs-2017

Regards
Takayuki Tsunakawa

Commits

Remove _configthreadlocale() calls in ecpg test suite.
- e3565fd61cee 12.0 landed
Remove infinite-loop hazards in ecpg test suite.
- d5a1fde39726 12.0 landed
- fbf5395cb1ea 9.5.16 landed
- 6d6333745b11 9.4.21 landed
- adc2553b7069 9.6.12 landed
- 5b5cb3b0eb31 10.7 landed
- 28868f77b6cb 11.2 landed
Blind attempt to fix _configthreadlocale() failures on MinGW.
- 773f594408b9 9.4.21 landed
- 7ac0e71aa623 9.5.16 landed
- 1d334ab6e0b5 9.6.12 landed
- dd815a94ccf5 10.7 landed
- b620cf2d4762 11.2 landed
- 2cf91ccb73ce 12.0 landed
Avoid thread-safety problem in ecpglib.
- f305e8457d1e 11.2 landed
- eb3e90cad1e4 9.6.12 landed
- c9ff6cbfc472 9.4.21 landed
- 844d91fd6496 9.5.16 landed
- 6106f9dd71ff 10.7 landed
- 8eb4a9312c95 12.0 landed
Second try at fixing ecpglib thread-safety problem.
- ee27584c4a40 12.0 landed