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Create an internal semaphore API that is not tied to SysV semaphores.

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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.
This commit is contained in:
Tom Lane
2002-05-05 00:03:29 +00:00
parent 91fc10fdac
commit 72a3902a66
37 changed files with 1659 additions and 1370 deletions
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4
src/backend/Makefile
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@@ -4,7 +4,7 @@
#
# Copyright (c) 1994, Regents of the University of California
#
# $Header: /cvsroot/pgsql/src/backend/Makefile,v 1.77 2002/03/13 00:05:05 petere Exp $
# $Header: /cvsroot/pgsql/src/backend/Makefile,v 1.78 2002/05/05 00:03:28 tgl Exp $
#
#-------------------------------------------------------------------------
@@ -194,7 +194,7 @@ ifeq ($(enable_nls), yes)
endif
distclean: clean
rm -f port/tas.s port/dynloader.c
rm -f port/tas.s port/dynloader.c port/pg_sema.c port/pg_shmem.c
maintainer-clean: distclean
rm -f $(srcdir)/bootstrap/bootparse.c \