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Annotation of OSKit-Mach/include/mach/thread_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/thread_special_ports.h
        !            28:  *
        !            29:  *     Defines codes for special_purpose thread ports.  These are NOT
        !            30:  *     port identifiers - they are only used for the thread_get_special_port
        !            31:  *     and thread_set_special_port routines.
        !            32:  *     
        !            33:  */
        !            34: 
        !            35: #ifndef        _MACH_THREAD_SPECIAL_PORTS_H_
        !            36: #define _MACH_THREAD_SPECIAL_PORTS_H_
        !            37: 
        !            38: #ifdef MACH_KERNEL
        !            39: #include <mach_ipc_compat.h>
        !            40: #endif /* MACH_KERNEL */
        !            41: 
        !            42: #define THREAD_KERNEL_PORT     1       /* Represents the thread to the outside
        !            43:                                           world.*/
        !            44: #define THREAD_EXCEPTION_PORT  3       /* Exception messages for the thread
        !            45:                                           are sent to this port. */
        !            46: 
        !            47: /*
        !            48:  *     Definitions for ease of use
        !            49:  */
        !            50: 
        !            51: #define thread_get_kernel_port(thread, port)   \
        !            52:                (thread_get_special_port((thread), THREAD_KERNEL_PORT, (port)))
        !            53: 
        !            54: #define thread_set_kernel_port(thread, port)   \
        !            55:                (thread_set_special_port((thread), THREAD_KERNEL_PORT, (port)))
        !            56: 
        !            57: #define thread_get_exception_port(thread, port)        \
        !            58:                (thread_get_special_port((thread), THREAD_EXCEPTION_PORT, (port)))
        !            59: 
        !            60: #define thread_set_exception_port(thread, port)        \
        !            61:                (thread_set_special_port((thread), THREAD_EXCEPTION_PORT, (port)))
        !            62: 
        !            63: 
        !            64: /* Definitions for the old IPC interface. */
        !            65: 
        !            66: #if    MACH_IPC_COMPAT
        !            67: 
        !            68: #define THREAD_REPLY_PORT      2       /* Default reply port for the thread's
        !            69:                                           use. */
        !            70: 
        !            71: #define thread_get_reply_port(thread, port)    \
        !            72:                (thread_get_special_port((thread), THREAD_REPLY_PORT, (port)))
        !            73: 
        !            74: #define thread_set_reply_port(thread, port)    \
        !            75:                (thread_set_special_port((thread), THREAD_REPLY_PORT, (port)))
        !            76: 
        !            77: #endif /* MACH_IPC_COMPAT */
        !            78: 
        !            79: #endif /* _MACH_THREAD_SPECIAL_PORTS_H_ */

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