75 lines
1.4 KiB
C++
75 lines
1.4 KiB
C++
/*
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* \brief Test for the 'Thread_base::join()' function
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* \author Norman Feske
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* \date 2012-11-16
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*/
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/*
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* Copyright (C) 2012-2013 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU General Public License version 2.
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*/
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#include <base/printf.h>
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#include <base/thread.h>
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#include <timer_session/connection.h>
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using namespace Genode;
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struct Worker : Genode::Thread<4096>
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{
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Timer::Session &timer;
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unsigned const result_value;
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unsigned volatile result;
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void entry()
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{
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PLOG("worker thread is up");
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timer.msleep(250);
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PLOG("worker is leaving the entry function with result=%u...",
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result_value);
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result = result_value;
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}
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Worker(Timer::Session &timer, int result_value)
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:
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timer(timer), result_value(result_value), result(~0)
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{
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start();
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}
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};
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/**
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* Main program
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*/
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int main(int, char **)
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{
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printf("--- thread join test ---\n");
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Timer::Connection timer;
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for (unsigned i = 0; i < 10; i++) {
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/*
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* A worker thread is created in each iteration. Just before
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* leaving the entry function, the worker assigns the result
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* to 'Worker::result' variable. By validating this value,
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* we determine whether the worker has finished or not.
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*/
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Worker worker(timer, i);
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worker.join();
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if (worker.result != i) {
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PERR("work remains unfinished after 'join()' returned");
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return -1;
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}
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}
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printf("--- signalling test finished ---\n");
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return 0;
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}
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