CVSROOT: /cvsroot
Module name: pgsql
Changes by: tgl@postgresql.org 02/05/04 20:03:29
Modified files:
. : configure configure.in
src/backend : Makefile
src/backend/bootstrap: bootstrap.c
src/backend/catalog: namespace.c
src/backend/commands: async.c
src/backend/libpq: auth.c pqcomm.c
src/backend/port: Makefile
src/backend/postmaster: pgstat.c postmaster.c
src/backend/storage/file: fd.c
src/backend/storage/ipc: ipc.c ipci.c shmem.c sinvaladt.c
src/backend/storage/lmgr: lwlock.c proc.c spin.c
src/backend/tcop: postgres.c
src/backend/utils/error: elog.c
src/backend/utils/init: miscinit.c postinit.c
src/include : miscadmin.h pg_config.h.in
src/include/storage: ipc.h proc.h s_lock.h spin.h
src/pl/plperl : SPI.xs plperl.c
src/template : darwin
Added files:
src/backend/port: posix_sema.c sysv_sema.c sysv_shmem.c
src/include/storage: pg_sema.h pg_shmem.h
Log message:
Create an internal semaphore API that is not tied to SysV semaphores.
As proof of concept, provide an alternate implementation based on POSIX
semaphores. Also push the SysV shared-memory implementation into a
separate file so that it can be replaced conveniently.