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/*!
* A simple test program for exercising the threads API.
*
* ----------------------------------------------------------------
*
* @begin[license]
* Copyright (C) 2003 Jason Hickey, Caltech
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* Author: Jason Hickey
* @end[license]
*/
#include <stdio.h>
#include "sthread.h"
/*
* Thread 1 prints "Hello".
* Thread 2 prints "Goodbye".
*
* In this version of the code,
* thread scheduling is explicit.
*/
/*! This thread-function prints "Hello" over and over again! */
static void loop1(void *arg) {
while(1) {
printf("Hello\n");
sthread_yield();
}
}
/*! This thread-function prints "Goodbye" over and over again! */
static void loop2(void *arg) {
while(1) {
printf("Goodbye\n");
sthread_yield();
}
}
/*
* The main function starts the two loops in separate threads,
* the start the thread scheduler.
*/
int main(int argc, char **argv) {
sthread_create(loop1, NULL);
sthread_create(loop2, NULL);
sthread_start();
return 0;
}