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/*

 * Copyright (c) 2005-2006, Kohsuke Ohtani

 * All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 * 1. Redistributions of source code must retain the above copyright

 *    notice, this list of conditions and the following disclaimer.

 * 2. 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.

 * 3. Neither the name of the author nor the names of any co-contributors

 *    may be used to endorse or promote products derived from this software

 *    without specific prior written permission.

 *

 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.

 */

/*

 * task.c - test program for kernel task services.

 */

#include <sys/prex.h>

#include <stdio.h>

#include <stdlib.h>

#define NR_THREADS 16

static char stack[NR_THREADS][1024];

static void

test_thread(void)

{

        printf("New thread %x is started\n", (u_int)thread_self());

        for (;;) {

                timer_sleep(100, 0);

                printf("@");

        }

}

int

main(int argc, char *argv[])

{

        task_t task;

        thread_t t;

        int i, error;

        printf("Task test program\n");

        sys_log("Task test program\n");

        /*

         * Boost priority of this thread

         */

        thread_setpri(thread_self(), 90);

        /*

         * Create test task

         */

#ifdef CONFIG_MMU

        error = task_create(task_self(), VM_COPY, &task);

#else

        error = task_create(task_self(), VM_SHARE, &task);

#endif

        if (error) {

                printf("task_create failed. error=%d\n", error);

                exit(1);

        }

        /*

         * Run threads

         */

        for (i = 0; i < NR_THREADS; i++) {

                error = thread_create(task, &t);

                printf("thread_create: error=%d\n", error);

                error = thread_load(t, test_thread, stack[i]+1024);

                printf("thread_load: error=%d\n", error);

                thread_resume(t);

        }

        /*

         * Sleep for a while

         */

        timer_sleep(1000, 0);

        /*

         * Suspend test task

         */

        printf("\nSuspend test task.\n");

        error = task_suspend(task);

        if (error)

                panic("task suspend failed");

        /*

         * Sleep for a while

         */

        printf("Sleep\n");

        timer_sleep(500, 0);

        printf("\nResume test task.\n");

        error = task_resume(task);

        if (error)

                panic("task resume failed");

        /*

         * Sleep for a while

         */

        timer_sleep(3000, 0);

        printf("\nResume task, again.\n");

        error = task_resume(task);

        if (error)

                printf("Error - OK!\n");

        timer_sleep(1000, 0);

        printf("\nTerminate task.\n");

        task_terminate(task);

        printf("\nTest OK!\n");

        return 0;

}