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Annotation of driverkit/libDriver/Kernel/portFuncs.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
        !             3:  *
        !             4:  * @APPLE_LICENSE_HEADER_START@
        !             5:  * 
        !             6:  * Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
        !             7:  * Reserved.  This file contains Original Code and/or Modifications of
        !             8:  * Original Code as defined in and that are subject to the Apple Public
        !             9:  * Source License Version 1.1 (the "License").  You may not use this file
        !            10:  * except in compliance with the License.  Please obtain a copy of the
        !            11:  * License at http://www.apple.com/publicsource and read it before using
        !            12:  * this file.
        !            13:  * 
        !            14:  * The Original Code and all software distributed under the License are
        !            15:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
        !            16:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
        !            17:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
        !            18:  * FITNESS FOR A PARTICULAR PURPOSE OR NON- INFRINGEMENT.  Please see the
        !            19:  * License for the specific language governing rights and limitations
        !            20:  * under the License.
        !            21:  * 
        !            22:  * @APPLE_LICENSE_HEADER_END@
        !            23:  */
        !            24: /*
        !            25:  * portFuncs.h
        !            26:  *
        !            27:  * Copyright (c) 1991, NeXT Computer, Inc.  All rights reserved.
        !            28:  *
        !            29:  *      Audio driver deamon main thread.
        !            30:  *
        !            31:  * HISTORY
        !            32:  *      06/26/92/mtm    Original coding.
        !            33:  */
        !            34: #import <mach/mach_user_internal.h>
        !            35: #import <mach/mach_interface.h>
        !            36: 
        !            37: #import <kernserv/prototypes.h>                // task_self
        !            38: #import <driverkit/generalFuncs.h>
        !            39: 
        !            40: /*
        !            41:  * Allocate a port.
        !            42:  */
        !            43: static inline port_t allocatePort(void)
        !            44: {
        !            45:     kern_return_t krtn;
        !            46:     port_t aPort;
        !            47:     
        !            48:     krtn = port_allocate(task_self(), &aPort);
        !            49:     if (krtn) {
        !            50:        IOLog("Audio: port_allocate");
        !            51:        //IOPanic("allocatePort");
        !            52:     }
        !            53:     return aPort;
        !            54: }
        !            55: 
        !            56: /*
        !            57:  * Deallocate a port.
        !            58:  */
        !            59: static inline void deallocatePort(port_t aPort)
        !            60: {
        !            61:     kern_return_t krtn;
        !            62: 
        !            63:     krtn = port_deallocate(task_self(), aPort);
        !            64:     if (krtn) {
        !            65:        IOLog("Audio: port_deallocate\n" );
        !            66:        //IOPanic("deallocatePort");
        !            67:     }
        !            68: }
        !            69: 
        !            70: /*
        !            71:  * Add a port to a port set.
        !            72:  */
        !            73: static inline void addPort(port_t aPortSet, port_t aPort)
        !            74: {
        !            75:     kern_return_t krtn;
        !            76: 
        !            77:     krtn = port_set_add(task_self(), aPortSet, aPort);
        !            78:     if (krtn) {
        !            79:        IOLog("Audio: port_set_add\n" );
        !            80:        //IOPanic("addPort");
        !            81:     }
        !            82: }
        !            83: 
        !            84: /*
        !            85:  * Allocate a port set.
        !            86:  */
        !            87: static inline port_t allocatePortSet(void)
        !            88: {
        !            89:     kern_return_t krtn;
        !            90:     port_set_name_t aPortSet;
        !            91: 
        !            92:     krtn = port_set_allocate(task_self(), &aPortSet);
        !            93:     if (krtn) {
        !            94:        IOLog("Audio: port_set_allocate: %d\n", krtn);
        !            95:        //IOPanic("allocatePortSet");
        !            96:     }
        !            97:     return aPortSet;
        !            98: }

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