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Annotation of driverkit/Examples/IOStub/main.m, 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: /*     Copyright (c) 1992 NeXT Computer, Inc.  All rights reserved. 
        !            25:  *
        !            26:  * main.m - top-level module for IOStub example, Distributed Objects
        !            27:  *         version.
        !            28:  *
        !            29:  * HISTORY
        !            30:  * 09-Jun-92    Doug Mitchell at NeXT
        !            31:  *      Created. 
        !            32:  */
        !            33: 
        !            34: #import "IOStub.h"
        !            35: #import <driverkit/generalFuncs.h>
        !            36: #import <remote/NXConnection.h>
        !            37: #import <objc/error.h>
        !            38: #import <mach/cthreads.h>
        !            39: #import <mach/mach.h>
        !            40: #import <driverkit/debugging.h>
        !            41: 
        !            42: #define        NUM_STUB_DEVICES        2
        !            43: #define        THREADS_PER_DEVICE      2
        !            44: 
        !            45: int main(int arcg, char **argv)
        !            46: {
        !            47:        id stub;
        !            48:        id roserver;
        !            49:        int stubNum;
        !            50:        int threadNum;
        !            51:        
        !            52:        IOInitDDM(500, "IOStubXpr");
        !            53:        IOInitGeneralFuncs();
        !            54:        for(stubNum=0; stubNum<NUM_STUB_DEVICES; stubNum++) {
        !            55:                stub = [[IOStub alloc] init];
        !            56:                if(stub == nil) {
        !            57:                        IOLog("IOSTub: can\'t init\n");
        !            58:                        exit(1);
        !            59:                }
        !            60:                if([stub initStub:stubNum] == nil) {
        !            61:                        IOLog("IOStub: initStub failed\n");
        !            62:                        exit(1);
        !            63:                }
        !            64:                
        !            65:                /*
        !            66:                 * Set up an NXConnection, the means by which all clients
        !            67:                 * communicate with us.
        !            68:                 */
        !            69:                NX_DURING {
        !            70:                        roserver = [NXConnection registerRoot:stub
        !            71:                                 withName:[stub name]];
        !            72:                } NX_HANDLER {
        !            73:                        IOLog("registerRoot raised %d\n", 
        !            74:                                NXLocalHandler.code);
        !            75:                        exit(1);
        !            76:                } NX_ENDHANDLER
        !            77:                
        !            78:                if(roserver == nil) {
        !            79:                        IOLog("registerRoot returned nil\n");
        !            80:                        exit(1);
        !            81:                }
        !            82:                
        !            83:                /*
        !            84:                 * Start up "API threads".
        !            85:                 */
        !            86:                for(threadNum=0; threadNum<THREADS_PER_DEVICE; threadNum++) {
        !            87:                        NX_DURING {
        !            88:                                [roserver runInNewThread];
        !            89:                        } NX_HANDLER {
        !            90:                                IOLog("runInNewThread raised %d\n", 
        !            91:                                        NXLocalHandler.code);
        !            92:                                exit(1);
        !            93:                        } NX_ENDHANDLER;
        !            94:                }
        !            95:        } 
        !            96:        
        !            97:        /*
        !            98:         * Success. This thread is done; all subsequent work is done by 
        !            99:         * the IOStub objects' I/O threads (started in initStub:) and
        !           100:         * by the NXProxy threads.
        !           101:         */
        !           102:        cthread_exit(0);
        !           103:        return 0;       
        !           104: }
        !           105: 

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