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Annotation of XNU/osfmk/ipc/ipc_pset.h, revision 1.1

1.1     ! root        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  [email protected]
        !            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_ */

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