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/*
* Project: HARTIK (HA-rd R-eal TI-me K-ernel)
*
* Coordinators: Giorgio Buttazzo <giorgio@sssup.it>
* Gerardo Lamastra <gerardo@sssup.it>
*
* Authors : Paolo Gai <pj@hartik.sssup.it>
* (see authors.txt for full list of hartik's authors)
*
* ReTiS Lab (Scuola Superiore S.Anna - Pisa - Italy)
*
* http://www.sssup.it
* http://retis.sssup.it
* http://hartik.sssup.it
*/
/**
------------
CVS : $Id: teste.c,v 1.1.1.1 2002-09-02 09:37:48 pj Exp $
File: $File$
Revision: $Revision: 1.1.1.1 $
Last update: $Date: 2002-09-02 09:37:48 $
------------
Test Number 14 (E):
this test is a simple main() function with one other task.
This test verify the correctness of the sem module.
**/
/*
* Copyright (C) 2000 Paolo Gai
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include "kernel/kern.h"
#include <modules/sem.h>
sem_t s;
TASK pippo(void *a)
{
int i=0;
struct timespec t;
// int last = 0;
do {
kern_cli();
ll_gettime(TIME_EXACT, &t);
kern_sti();
if (i==0 && t.tv_sec == (int)a) {
i = 1;
kern_printf("before sem_wait %d\n",(int)a);
sem_wait(&s);
kern_printf("after sem_wait %d\n",(int)a);
}
if (i==1 && t.tv_sec == 2+(int)a) {
i = 2;
kern_printf("before sem_post %d\n",(int)a);
sem_post(&s);
kern_printf("after sem_post %d\n",(int)a);
return 0;
}
} while (1);
}
int main(int argc, char **argv)
{
// struct timespec t;
// int i;
NRT_TASK_MODEL m;
PID p2,p3;
nrt_task_default_model(m);
nrt_task_def_group(m,1);
nrt_task_def_arg(m,(void *)1);
p2 = task_create("pippo1", pippo, &m, NULL);
if (p2 == NIL)
{ kern_printf("Can't create pippo1 task...\n"); return 1; }
nrt_task_def_arg(m,(void *)2);
p3 = task_create("pippo2", pippo, &m, NULL);
if (p3 == NIL)
{ kern_printf("Can't create pippo2 task...\n"); return 1; }
sem_init(&s,0,1);
group_activate(1);
return 0;
}