source: mainline/kernel/test/thread/thread1.c@ de38873

/*
 * Copyright (c) 2005 Jakub Vana
 * Copyright (c) 2005 Jakub Jermar
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include <test.h>
#include <atomic.h>
#include <proc/thread.h>

#include <arch.h>

#define THREADS  5

static atomic_t finish;
static atomic_t threads_finished;

static void threadtest(void *data)
{
        thread_detach(THREAD);

        while (atomic_load(&finish)) {
                TPRINTF("%" PRIu64 " ", THREAD->tid);
                thread_usleep(100000);
        }
        atomic_inc(&threads_finished);
}

const char *test_thread1(void)
{
        unsigned int i;
        size_t total = 0;

        atomic_store(&finish, 1);
        atomic_store(&threads_finished, 0);

        for (i = 0; i < THREADS; i++) {
                thread_t *t;
                if (!(t = thread_create(threadtest, NULL, TASK,
                    THREAD_FLAG_NONE, "threadtest"))) {
                        TPRINTF("Could not create thread %d\n", i);
                        break;
                }
                thread_ready(t);
                total++;
        }

        TPRINTF("Running threads for 10 seconds...\n");
        thread_sleep(10);

        atomic_store(&finish, 0);
        while (atomic_load(&threads_finished) < total) {
                TPRINTF("Threads left: %zu\n", total - atomic_load(&threads_finished));
                thread_sleep(1);
        }

        return NULL;
}