File: [local] / prex-old / usr / test / task / task.c (download)
Revision 1.1.1.1 (vendor branch), Tue Jun 3 09:38:52 2008 UTC (16 years, 3 months ago) by nbrk
Branch: MAIN, KOHSUKE
CVS Tags: PREX_0_8_BASE, PREX_0_7_BASE, HEAD Changes since 1.1: +0 -0 lines
Yeah, this is an initial import of Prex, portable real-time microkernel
operating system. I wanna hack it for non-profit but fun, so let it in.
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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 <prex/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 th;
int i, err;
printf("Task test program\n");
sys_log("Task test program\n");
/*
* Boost priority of this thread
*/
thread_setprio(thread_self(), 90);
/*
* Create test task
*/
#ifdef CONFIG_MMU
err = task_create(task_self(), VM_COPY, &task);
#else
err = task_create(task_self(), VM_SHARE, &task);
#endif
if (err) {
printf("task_create failed. err=%d\n", err);
exit(1);
}
/*
* Run threads
*/
for (i = 0; i < NR_THREADS; i++) {
err = thread_create(task, &th);
printf("thread_create: err=%d\n", err);
err = thread_load(th, test_thread, stack[i]+1024);
printf("thread_load: err=%d\n", err);
thread_resume(th);
}
/*
* Sleep for a while
*/
timer_sleep(1000, 0);
/*
* Suspend test task
*/
printf("\nSuspend test task.\n");
err = task_suspend(task);
if (err)
panic("task suspend failed");
/*
* Sleep for a while
*/
printf("Sleep\n");
timer_sleep(500, 0);
printf("\nResume test task.\n");
err = task_resume(task);
if (err)
panic("task resume failed");
/*
* Sleep for a while
*/
timer_sleep(3000, 0);
printf("\nResume task, again.\n");
err = task_resume(task);
if (err)
printf("Error - OK!\n");
timer_sleep(1000, 0);
printf("\nTerminate task.\n");
task_terminate(task);
printf("\nTest OK!\n");
return 0;
}