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Annotation of kernel/mach/task_special_ports.h, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
                      3:  *
                      4:  * @APPLE_LICENSE_HEADER_START@
                      5:  * 
                      6:  * Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
                      7:  * Reserved.  This file contains Original Code and/or Modifications of
                      8:  * Original Code as defined in and that are subject to the Apple Public
                      9:  * Source License Version 1.1 (the "License").  You may not use this file
                     10:  * except in compliance with the License.  Please obtain a copy of the
                     11:  * License at http://www.apple.com/publicsource and read it before using
                     12:  * this file.
                     13:  * 
                     14:  * The Original Code and all software distributed under the License are
                     15:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
                     16:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
                     17:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
                     18:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
                     19:  * License for the specific language governing rights and limitations
                     20:  * under the License.
                     21:  * 
                     22:  * @APPLE_LICENSE_HEADER_END@
                     23:  */
                     24: 
                     25: /* 
                     26:  * Mach Operating System
                     27:  * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University
                     28:  * All Rights Reserved.
                     29:  * 
                     30:  * Permission to use, copy, modify and distribute this software and its
                     31:  * documentation is hereby granted, provided that both the copyright
                     32:  * notice and this permission notice appear in all copies of the
                     33:  * software, derivative works or modified versions, and any portions
                     34:  * thereof, and that both notices appear in supporting documentation.
                     35:  * 
                     36:  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
                     37:  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
                     38:  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
                     39:  * 
                     40:  * Carnegie Mellon requests users of this software to return to
                     41:  * 
                     42:  *  Software Distribution Coordinator  or  [email protected]
                     43:  *  School of Computer Science
                     44:  *  Carnegie Mellon University
                     45:  *  Pittsburgh PA 15213-3890
                     46:  * 
                     47:  * any improvements or extensions that they make and grant Carnegie Mellon
                     48:  * the rights to redistribute these changes.
                     49:  */
                     50: /*
                     51:  *     File:   mach/task_special_ports.h
                     52:  *
                     53:  *     Defines codes for special_purpose task ports.  These are NOT
                     54:  *     port identifiers - they are only used for the task_get_special_port
                     55:  *     and task_set_special_port routines.
                     56:  *     
                     57:  */
                     58: 
                     59: #ifndef        _MACH_TASK_SPECIAL_PORTS_H_
                     60: #define _MACH_TASK_SPECIAL_PORTS_H_
                     61: 
                     62: #define TASK_KERNEL_PORT       1       /* Represents task to the outside
                     63:                                           world.*/
                     64: #define TASK_EXCEPTION_PORT    3       /* Exception messages for task are
                     65:                                           sent to this port. */
                     66: #define TASK_BOOTSTRAP_PORT    4       /* Bootstrap environment for task. */
                     67: 
                     68: /*
                     69:  *     Definitions for ease of use
                     70:  */
                     71: 
                     72: #define task_get_kernel_port(task, port)       \
                     73:                (task_get_special_port((task), TASK_KERNEL_PORT, (port)))
                     74: 
                     75: #define task_set_kernel_port(task, port)       \
                     76:                (task_set_special_port((task), TASK_KERNEL_PORT, (port)))
                     77: 
                     78: #define task_get_exception_port(task, port)    \
                     79:                (task_get_special_port((task), TASK_EXCEPTION_PORT, (port)))
                     80: 
                     81: #define task_set_exception_port(task, port)    \
                     82:                (task_set_special_port((task), TASK_EXCEPTION_PORT, (port)))
                     83: 
                     84: #define task_get_bootstrap_port(task, port)    \
                     85:                (task_get_special_port((task), TASK_BOOTSTRAP_PORT, (port)))
                     86: 
                     87: #define task_set_bootstrap_port(task, port)    \
                     88:                (task_set_special_port((task), TASK_BOOTSTRAP_PORT, (port)))
                     89: 
                     90: 
                     91: /* Definitions for the old IPC interface. */
                     92: 
                     93: #define TASK_NOTIFY_PORT       2       /* Task receives kernel IPC
                     94:                                           notifications here. */
                     95: 
                     96: #define task_get_notify_port(task, port)       \
                     97:                (task_get_special_port((task), TASK_NOTIFY_PORT, (port)))
                     98: 
                     99: #define task_set_notify_port(task, port)       \
                    100:                (task_set_special_port((task), TASK_NOTIFY_PORT, (port)))
                    101: 
                    102: #endif /* _MACH_TASK_SPECIAL_PORTS_H_ */

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