scoutos / prex-0.9.0 / usr / test / thread / thread.c @ 03e9c04a
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/*
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* Copyright (c) 2005, 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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* thread.c - test to run threads
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*/
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#include <sys/prex.h> |
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#include <stdio.h> |
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static char stack[1024]; |
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static thread_t
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thread_run(void (*start)(void), char *stack) |
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{ |
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thread_t t; |
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int error;
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if ((error = thread_create(task_self(), &t)) != 0) |
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panic("thread_create() is failed");
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if ((error = thread_load(t, start, stack)) != 0) |
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panic("thread_load() is failed");
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if ((error = thread_resume(t)) != 0) |
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panic("thread_resume() is failed");
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return t;
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} |
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static void |
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test_thread(void)
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{ |
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printf("test thread is starting...\n");
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for (;;)
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putchar('@');
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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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int error;
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thread_t self, t; |
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printf("Thread test program\n");
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self = thread_self(); |
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/*
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* Create new thread
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*/
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printf("Start test thread\n");
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t = thread_run(test_thread, stack+1024);
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/*
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* Wait 1 sec
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*/
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timer_sleep(3000, 0); |
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/*
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* Suspend test thread
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*/
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printf("\nSuspend test thread\n");
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error = thread_suspend(t); |
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/*
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* Wait 2 sec
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*/
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timer_sleep(2000, 0); |
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/*
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* Resume test thread
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*/
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printf("\nResume test thread\n");
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error = thread_resume(t); |
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/*
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* Wait 100 msec
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*/
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timer_sleep(100, 0); |
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/*
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* Suspend test thread
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*/
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thread_suspend(t); |
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/*
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* Wait 2 sec
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*/
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timer_sleep(2000, 0); |
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/*
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* Resume test thread
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*/
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thread_resume(t); |
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/*
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* We can check this thread can run 10 times than test thread,
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*/
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for (;;)
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putchar('!');
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return 0; |
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} |