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965 palkovsky 1
/*
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 * Copyright (C) 2006 Ondrej Palkovsky
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 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 *
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 * - Redistributions of source code must retain the above copyright
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 *   notice, this list of conditions and the following disclaimer.
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 * - Redistributions in binary form must reproduce the above copyright
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 *   notice, this list of conditions and the following disclaimer in the
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 *   documentation and/or other materials provided with the distribution.
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 * - The name of the author may not be used to endorse or promote products
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 *   derived from this software without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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#include <ipc/ipc.h>
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#include <ipc/ns.h>
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#include <print.h>
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#include <proc/thread.h>
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#include <arch.h>
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#include <panic.h>
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static answerbox_t ns_answerbox;
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/**   */
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static void ns_thread(void *data)
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{
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    call_t *call;
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    printf("Name service started.\n");
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    while (1) {
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        call = ipc_wait_for_call(&ns_answerbox, 0);
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        switch (IPC_GET_METHOD(call->data)) {
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        case NS_PING:
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            printf("Ping.\n");
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            IPC_SET_RETVAL(call->data, 0);
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            break;
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        default:
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            printf("Unsupported name service call.\n");
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            IPC_SET_RETVAL(call->data, -1);
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        }
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        ipc_answer(&ns_answerbox, call);
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    }
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}
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/** Name service initialization and start
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 *
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 * This must be started before any task that communicates with name service
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 */
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void ns_start(void)
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{
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    thread_t *t;
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    ipc_answerbox_init(&ns_answerbox);
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    ipc_phone_0 = &ns_answerbox;
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    if ((t = thread_create(ns_thread, NULL, TASK, 0)))
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        thread_ready(t);
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    else
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        panic("thread_create/phonecompany");
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}