tldm-universe/Ardent/UV/gcidir/include/plock.h

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2024-09-09 21:51:08 +00:00
#ifndef h_plock
#define h_plock
/******************************************************************************
*
* Declarations for UniVerse Shared Memory Process Lock functions
*
* Module %M% Version %I% Date %H%
*
* (c) Copyright 1998 Ardent Software Inc. - All Rights Reserved
* This is unpublished proprietary source code of Ardent Software Inc.
* The copyright notice above does not evidence any actual or intented
* publication of such source code.
*
*******************************************************************************
*
* Maintenence log - insert most recent change descriptions at top
*
* Date.... GTAR# WHO Description.........................................
* 10/14/98 23801 SAP Change copyrights.
* 07/16/93 12406 GMM Put in change to allow multi uniVerses
* 08/24/89 6072 JWT tunable disk locking
* 07/25/88 - - Maintenence log purged at 5.2.1, see release 5.1.10.
*
*****************************************************************************/
#if defined(UV_MULTI_INSTALL)
extern int p_home_inode();
#define _PLCKKEY (0xaced0000 | p_home_inode()) /* Process lock semaphore unique key */
#define _PMEMKEY _PLCKKEY /* Process lock Shared Mem. Seg. Key */
#else
#define _PLCKKEY 0xacedffff /* Process lock semaphore unique key */
#define _PMEMKEY 0xacedffff /* Process lock Shared Mem. Seg. Key */
#endif
#define _PLCKNUM _PSEMNUM /* number of process lock semaphores */
#define PMsk 0666 /* Protection Mask */
#endif /* end of plock.h */