tree 579ae44f65b5632aeb744f56446f0dfadce0c1c3
parent 1d827ff43d6340db759ddc08c6ab1efa3e1886d1
author Antoine Pitrou <solipsis@pitrou.net> 1302972839 +0200
committer Antoine Pitrou <solipsis@pitrou.net> 1302972839 +0200

Fix possible "file already exists" error when running the tests in parallel.

This is a perfect example of LBYL going wrong: that code could be executed
by several workers in parallel, and os.mkdir() attempted on the same
path by multiple processes.