1 /* 2 * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved. 3 * 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. The rights granted to you under the License 10 * may not be used to create, or enable the creation or redistribution of, 11 * unlawful or unlicensed copies of an Apple operating system, or to 12 * circumvent, violate, or enable the circumvention or violation of, any 13 * terms of an Apple operating system software license agreement. 14 * 15 * Please obtain a copy of the License at 16 * http://www.opensource.apple.com/apsl/ and read it before using this file. 17 * 18 * The Original Code and all software distributed under the License are 19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23 * Please see the License for the specific language governing rights and 24 * limitations under the License. 25 * 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27 */ 28 /* 29 * @OSF_COPYRIGHT@ 30 */ 31 /* 32 * Mach Operating System 33 * Copyright (c) 1991,1990,1989 Carnegie Mellon University 34 * All Rights Reserved. 35 * 36 * Permission to use, copy, modify and distribute this software and its 37 * documentation is hereby granted, provided that both the copyright 38 * notice and this permission notice appear in all copies of the 39 * software, derivative works or modified versions, and any portions 40 * thereof, and that both notices appear in supporting documentation. 41 * 42 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 43 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR 44 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 45 * 46 * Carnegie Mellon requests users of this software to return to 47 * 48 * Software Distribution Coordinator or [email protected] 49 * School of Computer Science 50 * Carnegie Mellon University 51 * Pittsburgh PA 15213-3890 52 * 53 * any improvements or extensions that they make and grant Carnegie Mellon 54 * the rights to redistribute these changes. 55 */ 56 /* 57 */ 58 /* 59 * File: ipc/ipc_port.h 60 * Author: Rich Draves 61 * Date: 1989 62 * 63 * Implementation specific complement to mach/port.h. 64 */ 65 66 #ifndef _IPC_PORT_H_ 67 #define _IPC_PORT_H_ 68 69 #include <mach/port.h> 70 #include <ipc/ipc_space.h> 71 72 #define MACH_PORT_NGEN(name) MACH_PORT_MAKE(0, MACH_PORT_GEN(name)) 73 74 /* 75 * Typedefs for code cleanliness. These must all have 76 * the same (unsigned) type as mach_port_name_t. 77 */ 78 79 80 #define MACH_PORT_UREFS_MAX ((mach_port_urefs_t) ((1 << 16) - 1)) 81 82 #define MACH_PORT_UREFS_OVERFLOW(urefs, delta) \ 83 (((delta) > 0) && \ 84 ((((urefs) + (delta)) <= (urefs)) || \ 85 (((urefs) + (delta)) >= MACH_PORT_UREFS_MAX))) 86 87 #define MACH_PORT_UREFS_UNDERFLOW(urefs, delta) \ 88 (((delta) < 0) && (((mach_port_urefs_t)-(delta)) > (urefs))) 89 90 __BEGIN_DECLS 91 extern void mach_port_guard_exception( 92 mach_port_name_t name, 93 uint64_t inguard, 94 uint64_t portguard, 95 unsigned reason); 96 97 extern void mach_port_guard_exception_immovable( 98 ipc_space_t space, 99 mach_port_name_t name, 100 mach_port_t port, 101 uint64_t portguard); 102 103 extern void mach_port_guard_exception_pinned( 104 ipc_space_t space, 105 mach_port_name_t name, 106 __unused mach_port_t port, 107 uint64_t portguard); 108 __END_DECLS 109 110 #endif /* _IPC_PORT_H_ */ 111