FreeBSD/Linux Kernel Cross Reference
sys/mach/notify.h

     /* 
      * Mach Operating System
      * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University
      * All Rights Reserved.
      * 
      * Permission to use, copy, modify and distribute this software and its
      * documentation is hereby granted, provided that both the copyright
      * notice and this permission notice appear in all copies of the
      * software, derivative works or modified versions, and any portions
     * thereof, and that both notices appear in supporting documentation.
     * 
     * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
     * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
     * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
     * 
     * Carnegie Mellon requests users of this software to return to
     * 
     *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
     *  School of Computer Science
     *  Carnegie Mellon University
     *  Pittsburgh PA 15213-3890
     * 
     * any improvements or extensions that they make and grant Carnegie Mellon
     * the rights to redistribute these changes.
     */
    /*
     * HISTORY
     * $Log:        notify.h,v $
     * Revision 2.6  93/01/14  17:46:19  danner
     *      Cleanup.
     *      [92/06/10            pds]
     * 
     * Revision 2.5  92/01/15  13:44:41  rpd
     *      Changed MACH_IPC_COMPAT conditionals to default to not present.
     * 
     * Revision 2.4  91/05/14  16:58:21  mrt
     *      Correcting copyright
     * 
     * Revision 2.3  91/02/05  17:35:18  mrt
     *      Changed to new Mach copyright
     *      [91/02/01  17:20:02  mrt]
     * 
     * Revision 2.2  90/06/02  14:59:32  rpd
     *      Converted to new IPC.
     *      [90/03/26  22:38:14  rpd]
     * 
     * Revision 2.7.7.1  90/02/20  22:24:32  rpd
     *      Revised for new IPC.
     *      [90/02/19  23:38:57  rpd]
     * 
     *
     * Condensed history:
     *      Moved ownership rights under MACH_IPC_XXXHACK (rpd).
     *      Added NOTIFY_PORT_DESTROYED (rpd).
     *      Added notification message structure definition (mwyoung).
     *      Created, based on Accent values (mwyoung).
     */
    /*
     *      File:   mach/notify.h
     *
     *      Kernel notification message definitions.
     */
    
    #ifndef _MACH_NOTIFY_H_
    #define _MACH_NOTIFY_H_
    
    #ifdef  KERNEL
    #include <mach_ipc_compat.h>
    #endif  /* KERNEL */
    
    #include <mach/port.h>
    #include <mach/message.h>
    
    /*
     *  An alternative specification of the notification interface
     *  may be found in mach/notify.defs.
     */
    
    #define MACH_NOTIFY_FIRST               0100
    #define MACH_NOTIFY_PORT_DELETED        (MACH_NOTIFY_FIRST + 001 )
                            /* A send or send-once right was deleted. */
    #define MACH_NOTIFY_MSG_ACCEPTED        (MACH_NOTIFY_FIRST + 002)
                            /* A MACH_SEND_NOTIFY msg was accepted */
    #define MACH_NOTIFY_PORT_DESTROYED      (MACH_NOTIFY_FIRST + 005)
                            /* A receive right was (would have been) deallocated */
    #define MACH_NOTIFY_NO_SENDERS          (MACH_NOTIFY_FIRST + 006)
                            /* Receive right has no extant send rights */
    #define MACH_NOTIFY_SEND_ONCE           (MACH_NOTIFY_FIRST + 007)
                            /* An extant send-once right died */
    #define MACH_NOTIFY_DEAD_NAME           (MACH_NOTIFY_FIRST + 010)
                            /* Send or send-once right died, leaving a dead-name */
    #define MACH_NOTIFY_LAST                (MACH_NOTIFY_FIRST + 015)
    
    typedef struct {
        mach_msg_header_t   not_header;
        mach_msg_type_t     not_type;       /* MACH_MSG_TYPE_PORT_NAME */
        mach_port_t         not_port;
    } mach_port_deleted_notification_t;
    
   typedef struct {
       mach_msg_header_t   not_header;
       mach_msg_type_t     not_type;       /* MACH_MSG_TYPE_PORT_NAME */
       mach_port_t         not_port;
   } mach_msg_accepted_notification_t;
   
   typedef struct {
       mach_msg_header_t   not_header;
       mach_msg_type_t     not_type;       /* MACH_MSG_TYPE_PORT_RECEIVE */
       mach_port_t         not_port;
   } mach_port_destroyed_notification_t;
   
   typedef struct {
       mach_msg_header_t   not_header;
       mach_msg_type_t     not_type;       /* MACH_MSG_TYPE_INTEGER_32 */
       unsigned int        not_count;
   } mach_no_senders_notification_t;
   
   typedef struct {
       mach_msg_header_t   not_header;
   } mach_send_once_notification_t;
   
   typedef struct {
       mach_msg_header_t   not_header;
       mach_msg_type_t     not_type;       /* MACH_MSG_TYPE_PORT_NAME */
       mach_port_t         not_port;
   } mach_dead_name_notification_t;
   
   
   /* Definitions for the old IPC interface. */
   
   #if     MACH_IPC_COMPAT
   
   /*
    *      Notifications sent upon interesting system events.
    */
   
   #define NOTIFY_FIRST                    0100
   #define NOTIFY_PORT_DELETED             ( NOTIFY_FIRST + 001 )
   #define NOTIFY_MSG_ACCEPTED             ( NOTIFY_FIRST + 002 )
   #define NOTIFY_OWNERSHIP_RIGHTS         ( NOTIFY_FIRST + 003 )
   #define NOTIFY_RECEIVE_RIGHTS           ( NOTIFY_FIRST + 004 )
   #define NOTIFY_PORT_DESTROYED           ( NOTIFY_FIRST + 005 )
   #define NOTIFY_NO_MORE_SENDERS          ( NOTIFY_FIRST + 006 )
   #define NOTIFY_LAST                     ( NOTIFY_FIRST + 015 )
   
   typedef struct {
           msg_header_t    notify_header;
           msg_type_t      notify_type;
           port_t          notify_port;
   } notification_t;
   
   #endif  /* MACH_IPC_COMPAT */
   
   #endif  /* _MACH_NOTIFY_H_ */

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