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| author | Howard Chu <hyc@highlandsun.com> | 2009-03-31 13:15:54 +1100 |
|---|---|---|
| committer | Andrew Tridgell <tridge@samba.org> | 2009-03-31 13:15:54 +1100 |
| commit | b90863c0b7b860b006ac49c9396711ff351f777f (patch) | |
| tree | f284c69be0d0a9bc8794027cd55135474d64b5c5 /lib/tdb/docs | |
| parent | 4b8e4ea7286f045effb6feb4c7bf8c5ef4ed2f9b (diff) | |
| download | samba-b90863c0b7b860b006ac49c9396711ff351f777f.tar.gz samba-b90863c0b7b860b006ac49c9396711ff351f777f.tar.bz2 samba-b90863c0b7b860b006ac49c9396711ff351f777f.zip | |
Add tdb_transaction_prepare_commit()
Using tdb_transaction_prepare_commit() gives us 2-phase commits. This
allows us to safely commit across multiple tdb databases at once, with
reasonable transaction semantics
Signed-off-by: tridge@samba.org
Diffstat (limited to 'lib/tdb/docs')
| -rw-r--r-- | lib/tdb/docs/README | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/tdb/docs/README b/lib/tdb/docs/README index 63fcf5e049..454e4ba032 100644 --- a/lib/tdb/docs/README +++ b/lib/tdb/docs/README @@ -236,3 +236,11 @@ int tdb_transaction_commit(TDB_CONTEXT *tdb) commit a current transaction, updating the database and releasing the transaction locks. +---------------------------------------------------------------------- +int tdb_transaction_prepare_commit(TDB_CONTEXT *tdb) + + prepare to commit a current transaction, for two-phase commits. + Once prepared for commit, the only allowed calls are + tdb_transaction_commit() or tdb_transaction_cancel(). Preparing + allocates disk space for the pending updates, so a subsequent + commit should succeed (barring any hardware failures). |