gems-kernel/source/THIRDPARTY/xnu/bsd/sys/posix_shm.h
2024-06-03 11:29:39 -05:00

67 lines
2.1 KiB
C

/*
* Copyright (c) 1999-2003 Apple Computer, Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* compliance with the License. The rights granted to you under the License
* may not be used to create, or enable the creation or redistribution of,
* unlawful or unlicensed copies of an Apple operating system, or to
* circumvent, violate, or enable the circumvention or violation of, any
* terms of an Apple operating system software license agreement.
*
* Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this file.
*
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
* Please see the License for the specific language governing rights and
* limitations under the License.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/*
* Copyright (c) 1990, 1996-1998 Apple Computer, Inc.
* All Rights Reserved.
*/
/*
* posix_shm.c : Support for POSIX shared memory APIs
*
* File: posix_shm.c
* Author: Ananthakrishna Ramesh
*
* HISTORY
* 2-Sep-1999 A.Ramesh
* Created for MacOSX
*
*/
#ifndef _SYS_POSIX_SHM_H_
#define _SYS_POSIX_SHM_H_
#include <sys/appleapiopts.h>
#include <sys/types.h>
#include <sys/proc.h>
struct label;
#define PSHMNAMLEN 31 /* maximum name segment length we bother with */
struct pshminfo {
unsigned int pshm_flags;
unsigned int pshm_usecount;
off_t pshm_length;
mode_t pshm_mode;
uid_t pshm_uid;
gid_t pshm_gid;
char pshm_name[PSHMNAMLEN + 1];
void *pshm_memobject;
struct label *pshm_label;
};
#endif