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55432fed

Commit 55432fed authored 23 years ago by Tom Lane

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Implement LockBufferForCleanup(), which will allow concurrent VACUUM

to wait until it's safe to remove tuples and compact free space in a
shared buffer page.  Miscellaneous small code cleanups in bufmgr, too.

parent 1e9e5def

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Changes 11

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src/backend/access/transam/xact.c 2 additions, 2 deletions

src/backend/access/transam/xact.c
src/backend/storage/buffer/README 100 additions, 0 deletions

src/backend/storage/buffer/README
src/backend/storage/buffer/buf_init.c 1 addition, 3 deletions

src/backend/storage/buffer/buf_init.c
src/backend/storage/buffer/bufmgr.c 168 additions, 167 deletions

src/backend/storage/buffer/bufmgr.c
src/backend/storage/buffer/freelist.c 29 additions, 34 deletions

src/backend/storage/buffer/freelist.c
src/backend/storage/ipc/sinval.c 29 additions, 2 deletions

src/backend/storage/ipc/sinval.c
src/backend/storage/lmgr/proc.c 46 additions, 1 deletion

src/backend/storage/lmgr/proc.c
src/include/storage/buf_internals.h 29 additions, 38 deletions

src/include/storage/buf_internals.h
src/include/storage/bufmgr.h 4 additions, 5 deletions

src/include/storage/bufmgr.h
src/include/storage/proc.h 6 additions, 1 deletion

src/include/storage/proc.h
src/include/storage/sinval.h 4 additions, 1 deletion

src/include/storage/sinval.h

with 418 additions and 254 deletions

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