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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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7
src/backend/tcop/postgres.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/tcop/postgres.c,v 1.262 2002/04/20 21:56:15 petere Exp $
* $Header: /cvsroot/pgsql/src/backend/tcop/postgres.c,v 1.263 2002/05/05 00:03:28 tgl Exp $
*
* NOTES
* this is the "main" module of the postgres backend and
@ -49,11 +49,12 @@
#include "parser/parse.h"
#include "parser/parser.h"
#include "rewrite/rewriteHandler.h"
#include "storage/ipc.h"
#include "storage/proc.h"
#include "tcop/fastpath.h"
#include "tcop/pquery.h"
#include "tcop/tcopprot.h"
#include "tcop/utility.h"
#include "storage/proc.h"
#include "utils/exc.h"
#include "utils/guc.h"
#include "utils/memutils.h"
@ -1692,7 +1693,7 @@ PostgresMain(int argc, char *argv[], const char *username)
if (!IsUnderPostmaster)
{
puts("\nPOSTGRES backend interactive interface ");
puts("$Revision: 1.262 $ $Date: 2002/04/20 21:56:15 $\n");
puts("$Revision: 1.263 $ $Date: 2002/05/05 00:03:28 $\n");
}
/*