shm.h revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2005 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1984 AT&T */
/* All Rights Reserved */
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* IPC Shared Memory Facility.
*/
#ifndef _sys_shm_h
#define _sys_shm_h
/*
* Shared Memory Operation Flags.
*/
/*
* Shmctl Command Definitions.
*/
/*
* Implementation Constants.
*/
/* (SHMLBA must be a power of 2) */
/*
* Structure Definitions.
*/
/*
* There is a shared mem id data structure for each segment in the system.
*/
struct shmid_ds {
};
#ifdef KERNEL
/*
* Permission Definitions.
*/
/*
* ipc_perm Mode Definitions.
*/
/* define resource locking macros */
} \
}
} \
}
/*
* Shared Memory information structure
*/
struct shminfo {
int shmmax, /* max shared memory segment size */
shmmin, /* min shared memory segment size */
shmmni, /* # of shared memory identifiers */
shmseg, /* (obsolete) */
shmall; /* (obsolete) */
};
/*
* Configuration Parameters
* These parameters are tuned by editing the system configuration file.
* The following lines establish the default values.
*/
#ifndef SHMSIZE
#endif
#ifndef SHMMNI
#endif
/* The following parameters are assumed not to require tuning */
/*
* Structures allocated in machdep.c
*/
#endif KERNEL
#endif /*!_sys_shm_h*/