X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/d7e50217d7adf6e52786a38bcaa4cd698cb9a79e..4ba76501152d51ccb5647018f3192c6096367d48:/osfmk/ipc/port.h diff --git a/osfmk/ipc/port.h b/osfmk/ipc/port.h index 544f5bc90..5b24a9885 100644 --- a/osfmk/ipc/port.h +++ b/osfmk/ipc/port.h @@ -1,17 +1,20 @@ /* - * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. + * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved. + * + * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * - * @APPLE_LICENSE_HEADER_START@ - * - * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved. - * * 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. Please obtain a copy of the License at - * http://www.opensource.apple.com/apsl/ and read it before using this - * file. - * + * 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, @@ -19,34 +22,34 @@ * 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_LICENSE_HEADER_END@ + * + * @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. */ @@ -60,30 +63,35 @@ * Implementation specific complement to mach/port.h. */ -#ifndef _IPC_PORT_H_ +#ifndef _IPC_PORT_H_ #define _IPC_PORT_H_ #include -#define MACH_PORT_NGEN(name) MACH_PORT_MAKE(0, MACH_PORT_GEN(name)) +#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. */ -typedef mach_port_name_t mach_port_index_t; /* index values */ -typedef mach_port_name_t mach_port_gen_t; /* generation numbers */ +#define MACH_PORT_UREFS_MAX ((mach_port_urefs_t) ((1 << 16) - 1)) -#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_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))) -#define MACH_PORT_UREFS_UNDERFLOW(urefs, delta) \ - (((delta) < 0) && (-(delta) > (urefs))) +__BEGIN_DECLS +extern void mach_port_guard_exception( + mach_port_name_t name, + uint64_t inguard, + uint64_t portguard, + unsigned reason); +__END_DECLS -#endif /* _IPC_PORT_H_ */ +#endif /* _IPC_PORT_H_ */