projects / apple / xnu.git / blame
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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 | * Mach Operating System | |
| 27 | * Copyright (c) 1991,1990,1989 Carnegie Mellon University | |
| 28 | * All Rights Reserved. | |
| 29 | * | |
| 30 | * Permission to use, copy, modify and distribute this software and its | |
| 31 | * documentation is hereby granted, provided that both the copyright | |
| 32 | * notice and this permission notice appear in all copies of the | |
| 33 | * software, derivative works or modified versions, and any portions | |
| 34 | * thereof, and that both notices appear in supporting documentation. | |
| 35 | * | |
| 36 | * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" | |
| 37 | * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR | |
| 38 | * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. | |
| 39 | * | |
| 40 | * Carnegie Mellon requests users of this software to return to | |
| 41 | * | |
| 42 | * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU | |
| 43 | * School of Computer Science | |
| 44 | * Carnegie Mellon University | |
| 45 | * Pittsburgh PA 15213-3890 | |
| 46 | * | |
| 47 | * any improvements or extensions that they make and grant Carnegie Mellon | |
| 48 | * the rights to redistribute these changes. | |
| 49 | */ | |
| 50 | /* | |
| 51 | */ | |
| 52 | /* | |
| 53 | * File: ipc/ipc_pset.h | |
| 54 | * Author: Rich Draves | |
| 55 | * Date: 1989 | |
| 56 | * | |
| 57 | * Definitions for port sets. | |
| 58 | */ | |
| 59 | ||
| 60 | #ifndef _IPC_IPC_PSET_H_ | |
| 61 | #define _IPC_IPC_PSET_H_ | |
| 62 | ||
| 63 | #include <mach/port.h> | |
| 64 | #include <mach/kern_return.h> | |
| 65 | #include <kern/ipc_kobject.h> | |
| 66 | #include <ipc/ipc_object.h> | |
| 67 | #include <ipc/ipc_mqueue.h> | |
| 68 | #include <kern/thread_pool.h> | |
| 69 | ||
| 70 | #include <mach_kdb.h> | |
| 71 | ||
| 72 | typedef struct ipc_pset { | |
| 73 | ||
| 74 | /* | |
| 75 | * Initial sub-structure in common with all ipc_objects. | |
| 76 | */ | |
| 77 | struct ipc_object ips_object; | |
| 78 | ||
| 79 | struct ipc_mqueue ips_messages; | |
| 80 | struct ipc_pset *ips_pset_self; /* self (used from ipsm) */ | |
| 81 | } *ipc_pset_t; | |
| 82 | ||
| 83 | typedef struct ipc_pset_mqueue { | |
| 84 | struct ipc_mqueue ipsm_messages; | |
| 85 | struct ipc_pset *ipsm_pset; | |
| 86 | } *ipc_pset_mqueue_t; | |
| 87 | ||
| 88 | #define ips_references ips_object.io_references | |
| 89 | #define ips_local_name ips_object.io_receiver_name | |
| 90 | #define ips_thread_pool ips_object.io_thread_pool | |
| 91 | ||
| 92 | #define IPS_NULL ((ipc_pset_t) IO_NULL) | |
| 93 | ||
| 94 | #define ips_active(pset) io_active(&(pset)->ips_object) | |
| 95 | #define ips_lock(pset) io_lock(&(pset)->ips_object) | |
| 96 | #define ips_lock_try(pset) io_lock_try(&(pset)->ips_object) | |
| 97 | #define ips_unlock(pset) io_unlock(&(pset)->ips_object) | |
| 98 | #define ips_check_unlock(pset) io_check_unlock(&(pset)->ips_object) | |
| 99 | #define ips_reference(pset) io_reference(&(pset)->ips_object) | |
| 100 | #define ips_release(pset) io_release(&(pset)->ips_object) | |
| 101 | ||
| 102 | /* Allocate a port set */ | |
| 103 | extern kern_return_t ipc_pset_alloc( | |
| 104 | ipc_space_t space, | |
| 105 | mach_port_name_t *namep, | |
| 106 | ipc_pset_t *psetp); | |
| 107 | ||
| 108 | /* Allocate a port set, with a specific name */ | |
| 109 | extern kern_return_t ipc_pset_alloc_name( | |
| 110 | ipc_space_t space, | |
| 111 | mach_port_name_t name, | |
| 112 | ipc_pset_t *psetp); | |
| 113 | ||
| 114 | /* Add a port to a port set */ | |
| 115 | extern kern_return_t ipc_pset_add( | |
| 116 | ipc_pset_t pset, | |
| 117 | ipc_port_t port); | |
| 118 | ||
| 119 | /* Remove a port from a port set */ | |
| 120 | extern kern_return_t ipc_pset_remove( | |
| 121 | ipc_pset_t pset, | |
| 122 | ipc_port_t port); | |
| 123 | ||
| 124 | /* Remove a port from all its current port sets */ | |
| 125 | extern kern_return_t ipc_pset_remove_all( | |
| 126 | ipc_port_t port); | |
| 127 | ||
| 128 | /* Destroy a port_set */ | |
| 129 | extern void ipc_pset_destroy( | |
| 130 | ipc_pset_t pset); | |
| 131 | ||
| 132 | #define ipc_pset_reference(pset) \ | |
| 133 | ipc_object_reference(&(pset)->ips_object) | |
| 134 | ||
| 135 | #define ipc_pset_release(pset) \ | |
| 136 | ipc_object_release(&(pset)->ips_object) | |
| 137 | ||
| 138 | ||
| 139 | #if MACH_KDB | |
| 140 | int ipc_list_count(struct ipc_kmsg *base); | |
| 141 | #endif /* MACH_KDB */ | |
| 142 | ||
| 143 | #endif /* _IPC_IPC_PSET_H_ */ |