osfmk/kern/ipc_subsystem.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * The contents of this file constitute Original Code as defined in and
   7  * are subject to the Apple Public Source License Version 1.1 (the
   8  * "License").  You may not use this file except in compliance with the
   9  * License.  Please obtain a copy of the License at
  10  * http://www.apple.com/publicsource and read it before using this file.
  11  *
  12  * This Original Code and all software distributed under the License are
  13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  17  * License for the specific language governing rights and limitations
  18  * under the License.
  19  *
  20  * @APPLE_LICENSE_HEADER_END@
  21  */
  22 /*
  23  * @OSF_COPYRIGHT@
  24  */
  25 /*
  26  * HISTORY
  27  *
  28  * Revision 1.1.1.1  1998/09/22 21:05:34  wsanchez
  29  * Import of Mac OS X kernel (~semeria)
  30  *
  31  * Revision 1.1.1.1  1998/03/07 02:25:55  wsanchez
  32  * Import of OSF Mach kernel (~mburg)
  33  *
  34  * Revision 1.1.5.1  1994/09/23  02:20:11  ezf
  35  *      change marker to not FREE
  36  *      [1994/09/22  21:33:42  ezf]
  37  *
  38  * Revision 1.1.3.1  1994/01/20  11:05:50  emcmanus
  39  *      Copied for submission.
  40  *      [1994/01/20  11:04:35  emcmanus]
  41  *
  42  * Revision 1.1.1.2  1994/01/13  02:41:12  condict
  43  *      Declarations for kern/ipc_subsystem.c
  44  *
  45  * $EndLog$
  46  */
  47
  48 #ifndef _KERN_IPC_SUBSYSTEM_H_
  49 #define _KERN_IPC_SUBSYSTEM_H_
  50
  51 #include <mach/boolean.h>
  52 #include <mach/port.h>
  53 #include <kern/subsystem.h>
  54 #include <ipc/ipc_port.h>
  55 #include <ipc/ipc_object.h>
  56
  57
  58 /* Initialize a subsystem's IPC state */
  59 extern void ipc_subsystem_init(
  60         subsystem_t             subsystem);
  61
  62 /* Enable a subsystem for IPC access */
  63 extern void ipc_subsystem_enable(
  64         subsystem_t             subsystem);
  65
  66 /* Disable IPC access to a subsystem */
  67 extern void ipc_subsystem_disable(
  68         subsystem_t             subsystem);
  69
  70 /* Clean up and destroy a subsystem's IPC state */
  71 extern void ipc_subsystem_terminate(
  72         subsystem_t             subsystem);
  73
  74 /* Convert from a port to a subsystem */
  75 extern subsystem_t convert_port_to_subsystem(
  76         ipc_port_t      port);
  77
  78 /* Convert from a subsystem to a port */
  79 extern ipc_port_t convert_subsystem_to_port(
  80         subsystem_t     subsystem);
  81
  82 #endif  /* _KERN_IPC_SUBSYSTEM_H_ */