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Annotation of OSKit-Mach/include/mach/task_special_ports.h, revision 1.1

1.1     ! root        1: /* 
        !             2:  * Mach Operating System
        !             3:  * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University
        !             4:  * All Rights Reserved.
        !             5:  * 
        !             6:  * Permission to use, copy, modify and distribute this software and its
        !             7:  * documentation is hereby granted, provided that both the copyright
        !             8:  * notice and this permission notice appear in all copies of the
        !             9:  * software, derivative works or modified versions, and any portions
        !            10:  * thereof, and that both notices appear in supporting documentation.
        !            11:  * 
        !            12:  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
        !            13:  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
        !            14:  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
        !            15:  * 
        !            16:  * Carnegie Mellon requests users of this software to return to
        !            17:  * 
        !            18:  *  Software Distribution Coordinator  or  [email protected]
        !            19:  *  School of Computer Science
        !            20:  *  Carnegie Mellon University
        !            21:  *  Pittsburgh PA 15213-3890
        !            22:  * 
        !            23:  * any improvements or extensions that they make and grant Carnegie Mellon
        !            24:  * the rights to redistribute these changes.
        !            25:  */
        !            26: /*
        !            27:  *     File:   mach/task_special_ports.h
        !            28:  *
        !            29:  *     Defines codes for special_purpose task ports.  These are NOT
        !            30:  *     port identifiers - they are only used for the task_get_special_port
        !            31:  *     and task_set_special_port routines.
        !            32:  *     
        !            33:  */
        !            34: 
        !            35: #ifndef        _MACH_TASK_SPECIAL_PORTS_H_
        !            36: #define _MACH_TASK_SPECIAL_PORTS_H_
        !            37: 
        !            38: #ifdef MACH_KERNEL
        !            39: #include <mach_ipc_compat.h>
        !            40: #endif /* MACH_KERNEL */
        !            41: 
        !            42: #define TASK_KERNEL_PORT       1       /* Represents task to the outside
        !            43:                                           world.*/
        !            44: #define TASK_EXCEPTION_PORT    3       /* Exception messages for task are
        !            45:                                           sent to this port. */
        !            46: #define TASK_BOOTSTRAP_PORT    4       /* Bootstrap environment for task. */
        !            47: 
        !            48: /*
        !            49:  *     Definitions for ease of use
        !            50:  */
        !            51: 
        !            52: #define task_get_kernel_port(task, port)       \
        !            53:                (task_get_special_port((task), TASK_KERNEL_PORT, (port)))
        !            54: 
        !            55: #define task_set_kernel_port(task, port)       \
        !            56:                (task_set_special_port((task), TASK_KERNEL_PORT, (port)))
        !            57: 
        !            58: #define task_get_exception_port(task, port)    \
        !            59:                (task_get_special_port((task), TASK_EXCEPTION_PORT, (port)))
        !            60: 
        !            61: #define task_set_exception_port(task, port)    \
        !            62:                (task_set_special_port((task), TASK_EXCEPTION_PORT, (port)))
        !            63: 
        !            64: #define task_get_bootstrap_port(task, port)    \
        !            65:                (task_get_special_port((task), TASK_BOOTSTRAP_PORT, (port)))
        !            66: 
        !            67: #define task_set_bootstrap_port(task, port)    \
        !            68:                (task_set_special_port((task), TASK_BOOTSTRAP_PORT, (port)))
        !            69: 
        !            70: 
        !            71: /* Definitions for the old IPC interface. */
        !            72: 
        !            73: #if    MACH_IPC_COMPAT
        !            74: 
        !            75: #define TASK_NOTIFY_PORT       2       /* Task receives kernel IPC
        !            76:                                           notifications here. */
        !            77: 
        !            78: #define task_get_notify_port(task, port)       \
        !            79:                (task_get_special_port((task), TASK_NOTIFY_PORT, (port)))
        !            80: 
        !            81: #define task_set_notify_port(task, port)       \
        !            82:                (task_set_special_port((task), TASK_NOTIFY_PORT, (port)))
        !            83: 
        !            84: #endif /* MACH_IPC_COMPAT */
        !            85: 
        !            86: #endif /* _MACH_TASK_SPECIAL_PORTS_H_ */

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