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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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18
src/pl/plperl/plperl.c
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@ -33,7 +33,7 @@
* ENHANCEMENTS, OR MODIFICATIONS.
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/pl/plperl/plperl.c,v 1.29 2002/03/06 18:50:26 momjian Exp $
* $Header: /cvsroot/pgsql/src/pl/plperl/plperl.c,v 1.30 2002/05/05 00:03:29 tgl Exp $
*
**********************************************************************/
@ -62,22 +62,6 @@
#include "catalog/pg_type.h"
/* perl stuff */
/*
* Evil Code Alert
*
* both posgreSQL and perl try to do 'the right thing'
* and provide union semun if the platform doesn't define
* it in a system header.
* psql uses HAVE_UNION_SEMUN
* perl uses HAS_UNION_SEMUN
* together, they cause compile errors.
* If we need it, the psql headers above will provide it.
* So we tell perl that we have it.
*/
#ifndef HAS_UNION_SEMUN
#define HAS_UNION_SEMUN
#endif
#include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"