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Annotation of OSKit-Mach/include/mach/thread_special_ports.h, revision 1.1.1.1

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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