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Fix race-under-concurrency in PathNameCreateTemporaryDir.

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Thomas Munro

Discussion: http://postgr.es/m/CAEepm=1Vp1e3KtftLtw4B60ZV9teNeKu6HxoaaBptQMsRWjJbQ@mail.gmail.com
This commit is contained in:
Robert Haas 2017-12-27 10:56:14 -08:00
parent 7a727c180a
commit 62d02f39e7
1 changed files with 1 additions and 1 deletions
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2
src/backend/storage/file/fd.c
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@ -1451,7 +1451,7 @@ PathNameCreateTemporaryDir(const char *basedir, const char *directory)
basedir)));
/* Try again. */
if (mkdir(directory, S_IRWXU) < 0)
if (mkdir(directory, S_IRWXU) < 0 && errno != EEXIST)
ereport(ERROR,
(errcode_for_file_access(),
errmsg("cannot create temporary subdirectory \"%s\": %m",