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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.
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@ -8,7 +8,7 @@
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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* IDENTIFICATION
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* $Header: /cvsroot/pgsql/src/backend/bootstrap/bootstrap.c,v 1.127 2002/04/27 21:24:33 tgl Exp $
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* $Header: /cvsroot/pgsql/src/backend/bootstrap/bootstrap.c,v 1.128 2002/05/05 00:03:28 tgl Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@ -33,6 +33,7 @@
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#include "catalog/pg_type.h"
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#include "libpq/pqsignal.h"
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#include "miscadmin.h"
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#include "storage/ipc.h"
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#include "storage/proc.h"
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#include "tcop/tcopprot.h"
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#include "utils/builtins.h"
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