]> git.ipfire.org Git - thirdparty/postgresql.git/commit
Add support to lock manager for conditionally locking a lock (ie,
authorTom Lane <tgl@sss.pgh.pa.us>
Fri, 22 Jun 2001 00:04:59 +0000 (00:04 +0000)
committerTom Lane <tgl@sss.pgh.pa.us>
Fri, 22 Jun 2001 00:04:59 +0000 (00:04 +0000)
commitd8d9ed931e8a2370d3995c40af2eb3bda18aecb0
tree238bf65789942dbef41c9f8ce01f5509adbe7561
parent986915c18124ee99d8f79cfeefed301b845136ab
Add support to lock manager for conditionally locking a lock (ie,
return without waiting if we can't get the lock immediately).
Not used yet, but will be needed for concurrent VACUUM.
contrib/userlock/README.user_locks
contrib/userlock/user_locks.c
src/backend/storage/lmgr/lmgr.c
src/backend/storage/lmgr/lock.c
src/include/storage/lmgr.h
src/include/storage/lock.h