scoutos / prex-0.9.0 / usr / test / task / task.c @ 03e9c04a
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/*
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* Copyright (c) 2005-2006, Kohsuke Ohtani
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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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* 1. 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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* 2. 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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* 3. Neither the name of the author nor the names of any co-contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*
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* task.c - test program for kernel task services.
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*/
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#include <sys/prex.h> |
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#include <stdio.h> |
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#include <stdlib.h> |
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#define NR_THREADS 16 |
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static char stack[NR_THREADS][1024]; |
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static void |
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test_thread(void)
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{ |
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printf("New thread %x is started\n", (u_int)thread_self());
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for (;;) {
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timer_sleep(100, 0); |
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printf("@");
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} |
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} |
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int
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main(int argc, char *argv[]) |
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{ |
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task_t task; |
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thread_t t; |
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int i, error;
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printf("Task test program\n");
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sys_log("Task test program\n");
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/*
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* Boost priority of this thread
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*/
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thread_setpri(thread_self(), 90);
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/*
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* Create test task
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*/
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#ifdef CONFIG_MMU
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error = task_create(task_self(), VM_COPY, &task); |
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#else
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error = task_create(task_self(), VM_SHARE, &task); |
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#endif
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if (error) {
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printf("task_create failed. error=%d\n", error);
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exit(1);
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} |
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/*
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* Run threads
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*/
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for (i = 0; i < NR_THREADS; i++) { |
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error = thread_create(task, &t); |
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printf("thread_create: error=%d\n", error);
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error = thread_load(t, test_thread, stack[i]+1024);
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printf("thread_load: error=%d\n", error);
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thread_resume(t); |
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} |
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/*
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* Sleep for a while
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*/
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timer_sleep(1000, 0); |
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/*
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* Suspend test task
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*/
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printf("\nSuspend test task.\n");
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error = task_suspend(task); |
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if (error)
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panic("task suspend failed");
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/*
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* Sleep for a while
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*/
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printf("Sleep\n");
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timer_sleep(500, 0); |
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printf("\nResume test task.\n");
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error = task_resume(task); |
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if (error)
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panic("task resume failed");
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/*
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* Sleep for a while
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*/
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timer_sleep(3000, 0); |
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printf("\nResume task, again.\n");
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error = task_resume(task); |
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if (error)
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printf("Error - OK!\n");
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timer_sleep(1000, 0); |
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printf("\nTerminate task.\n");
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task_terminate(task); |
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printf("\nTest OK!\n");
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return 0; |
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} |