/* * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * The contents of this file constitute Original Code as defined in and * are subject to the Apple Public Source License Version 1.1 (the * "License"). You may not use this file except in compliance with the * License. Please obtain a copy of the License at * http://www.apple.com/publicsource and read it before using this file. * * This 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 OR NON-INFRINGEMENT. Please see the * License for the specific language governing rights and limitations * under the License. * * @APPLE_LICENSE_HEADER_END@ */ /* * @OSF_COPYRIGHT@ */ /* * Define Basic IPC types available to callers. * These are not intended to be used directly, but * are used to define other types available through * port.h and mach_types.h for in-kernel entities. */ #ifndef _IPC_TYPES_H_ #define _IPC_TYPES_H_ #ifdef KERNEL_PRIVATE #if !defined(MACH_KERNEL_PRIVATE) /* * For kernel code that resides outside of mach * we define empty structs so that everything will * remain strongly typed, without giving out * implementation details. */ struct ipc_object ; struct ipc_space ; struct ipc_port ; #endif /* !MACH_KERNEL_PRIVATE */ typedef struct ipc_object *ipc_object_t; typedef struct ipc_space *ipc_space_t; typedef struct ipc_port *ipc_port_t; #define IPC_OBJECT_NULL ((ipc_object_t) 0) #define IPC_OBJECT_DEAD ((ipc_object_t)~0) #define IPC_OBJECT_VALID(io) (((io) != IPC_OBJECT_NULL) && \ ((io) != IPC_OBJECT_DEAD)) #define IPC_PORT_NULL ((ipc_port_t) 0) #define IPC_PORT_DEAD ((ipc_port_t)~0) #define IPC_PORT_VALID(port) (((port) != IPC_PORT_NULL) && \ ((port) != IPC_PORT_DEAD)) #define IPC_SPACE_NULL ((ipc_space_t) 0) #endif /* KERNEL_PRIVATE */ #endif /* _IPC_TYPES_H_ */