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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2006-01-21 04:38:46 +0000 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2006-01-21 04:38:46 +0000 |
| commit | 7da4e7ac6a0680210a2df8b711d8c765d2014e06 (patch) | |
| tree | 0860eea30677d56e853c106c50dee2f66e80ba96 /src/backend/commands/variable.c | |
| parent | e05a95bc00e1cd2ba763b433843918fc5f2e155e (diff) | |
| download | postgresql-7da4e7ac6a0680210a2df8b711d8c765d2014e06.tar.gz postgresql-7da4e7ac6a0680210a2df8b711d8c765d2014e06.zip | |
Repair longstanding bug in slru/clog logic: it is possible for two backends
to try to create a log segment file concurrently, but the code erroneously
specified O_EXCL to open(), resulting in a needless failure. Before 7.4,
it was even a PANIC condition :-(. Correct code is actually simpler than
what we had, because we can just say O_CREAT to start with and not need a
second open() call. I believe this accounts for several recent reports of
hard-to-reproduce "could not create file ...: File exists" errors in both
pg_clog and pg_subtrans.
Diffstat (limited to 'src/backend/commands/variable.c')
0 files changed, 0 insertions, 0 deletions