The Design and Implementation of the FreeBSD Operating System, Second Edition
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FreeBSD/Linux Kernel Cross Reference
sys/mach/task_special_ports.h

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    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  Software.Distribution@CS.CMU.EDU
   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  * HISTORY
   28  * $Log:        task_special_ports.h,v $
   29  * Revision 2.6  93/01/14  17:47:53  danner
   30  *      Cleanup.
   31  *      [92/06/10            pds]
   32  * 
   33  * Revision 2.5  92/01/15  13:44:54  rpd
   34  *      Changed MACH_IPC_COMPAT conditionals to default to not present.
   35  * 
   36  * Revision 2.4  91/05/14  17:00:57  mrt
   37  *      Correcting copyright
   38  * 
   39  * Revision 2.3  91/02/05  17:36:29  mrt
   40  *      Changed to new Mach copyright
   41  *      [91/02/01  17:21:29  mrt]
   42  * 
   43  * Revision 2.2  90/06/02  15:00:03  rpd
   44  *      Converted to new IPC.
   45  *      [90/03/26  22:40:08  rpd]
   46  * 
   47  * Revision 2.1  89/08/03  16:06:01  rwd
   48  * Created.
   49  * 
   50  * Revision 2.3  89/02/25  18:41:12  gm0w
   51  *      Changes for cleanup.
   52  * 
   53  * 17-Jan-88  David Golub (dbg) at Carnegie-Mellon University
   54  *      Created.
   55  *
   56  */
   57 /*
   58  *      File:   mach/task_special_ports.h
   59  *
   60  *      Defines codes for special_purpose task ports.  These are NOT
   61  *      port identifiers - they are only used for the task_get_special_port
   62  *      and task_set_special_port routines.
   63  *      
   64  */
   65 
   66 #ifndef _MACH_TASK_SPECIAL_PORTS_H_
   67 #define _MACH_TASK_SPECIAL_PORTS_H_
   68 
   69 #ifdef  KERNEL
   70 #include <mach_ipc_compat.h>
   71 #endif  /* KERNEL */
   72 
   73 #define TASK_KERNEL_PORT        1       /* Represents task to the outside
   74                                            world.*/
   75 #define TASK_EXCEPTION_PORT     3       /* Exception messages for task are
   76                                            sent to this port. */
   77 #define TASK_BOOTSTRAP_PORT     4       /* Bootstrap environment for task. */
   78 
   79 /*
   80  *      Definitions for ease of use
   81  */
   82 
   83 #define task_get_kernel_port(task, port)        \
   84                 (task_get_special_port((task), TASK_KERNEL_PORT, (port)))
   85 
   86 #define task_set_kernel_port(task, port)        \
   87                 (task_set_special_port((task), TASK_KERNEL_PORT, (port)))
   88 
   89 #define task_get_exception_port(task, port)     \
   90                 (task_get_special_port((task), TASK_EXCEPTION_PORT, (port)))
   91 
   92 #define task_set_exception_port(task, port)     \
   93                 (task_set_special_port((task), TASK_EXCEPTION_PORT, (port)))
   94 
   95 #define task_get_bootstrap_port(task, port)     \
   96                 (task_get_special_port((task), TASK_BOOTSTRAP_PORT, (port)))
   97 
   98 #define task_set_bootstrap_port(task, port)     \
   99                 (task_set_special_port((task), TASK_BOOTSTRAP_PORT, (port)))
  100 
  101 
  102 /* Definitions for the old IPC interface. */
  103 
  104 #if     MACH_IPC_COMPAT
  105 
  106 #define TASK_NOTIFY_PORT        2       /* Task receives kernel IPC
  107                                            notifications here. */
  108 
  109 #define task_get_notify_port(task, port)        \
  110                 (task_get_special_port((task), TASK_NOTIFY_PORT, (port)))
  111 
  112 #define task_set_notify_port(task, port)        \
  113                 (task_set_special_port((task), TASK_NOTIFY_PORT, (port)))
  114 
  115 #endif  /* MACH_IPC_COMPAT */
  116 
  117 #endif  /* _MACH_TASK_SPECIAL_PORTS_H_ */

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