/*
* Copyright (c) 2000-2004 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@
*/
/*
* @OSF_COPYRIGHT@
*/
/*
* Mach Operating System
* Copyright (c) 1991,1990,1989 Carnegie Mellon University
* All Rights Reserved.
*
* Permission to use, copy, modify and distribute this software and its
* documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie Mellon
* the rights to redistribute these changes.
*/
/*
*/
/*
* File: ipc/ipc_port.h
* Author: Rich Draves
* Date: 1989
*
* Implementation specific complement to mach/port.h.
*/
#ifndef _IPC_PORT_H_
#define _IPC_PORT_H_
#include <mach/port.h>
#include <ipc/ipc_space.h>
#define MACH_PORT_NGEN(name) MACH_PORT_MAKE(0, MACH_PORT_GEN(name))
/*
* Typedefs for code cleanliness. These must all have
* the same (unsigned) type as mach_port_name_t.
*/
#define MACH_PORT_UREFS_MAX ((mach_port_urefs_t) ((1 << 16) - 1))
#define MACH_PORT_UREFS_OVERFLOW(urefs, delta) \
(((delta) > 0) && \
((((urefs) + (delta)) <= (urefs)) || \
(((urefs) + (delta)) >= MACH_PORT_UREFS_MAX)))
#define MACH_PORT_UREFS_UNDERFLOW(urefs, delta) \
(((delta) < 0) && (((mach_port_urefs_t)-(delta)) > (urefs)))
__BEGIN_DECLS
__cold
extern void mach_port_guard_exception(
mach_port_name_t name,
uint64_t inguard,
uint64_t portguard,
unsigned reason);
__cold
extern void mach_port_guard_exception_immovable(
ipc_space_t space,
mach_port_name_t name,
mach_port_t port,
uint64_t portguard);
__cold
extern void mach_port_guard_exception_pinned(
ipc_space_t space,
mach_port_name_t name,
__unused mach_port_t port,
uint64_t portguard);
__END_DECLS
#endif /* _IPC_PORT_H_ */