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/*
* Project: S.Ha.R.K.
*
* Coordinators:
* Giorgio Buttazzo <giorgio@sssup.it>
* Paolo Gai <pj@gandalf.sssup.it>
*
* Authors :
* Paolo Gai <pj@gandalf.sssup.it>
* (see the web pages for full authors list)
*
* ReTiS Lab (Scuola Superiore S.Anna - Pisa - Italy)
*
* http://www.sssup.it
* http://retis.sssup.it
* http://shark.sssup.it
*/
/*
* Copyright (C) 2000 Giorgio Buttazzo, 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
*
*
* CVS : $Id: intsem.c,v 1.2 2004-04-17 11:36:14 giacomo Exp $
this test is a simple main() function with one other task.
This test verify the correctness of the internal_sem functions.
*/
#include "kernel/kern.h"
#include <kernel/int_sem.h>
internal_sem_t s;
TASK pippo(void *a)
{
int i=0;
struct timespec t;
do {
sys_gettime(&t);
if (i==0 && t.tv_sec == (int)a) {
i = 1;
cprintf("before internal_sem_wait %d\n",(int)a);
internal_sem_wait(&s);
cprintf("after internal_sem_wait %d\n",(int)a);
}
if (i==1 && t.tv_sec == 2+(int)a) {
i = 2;
cprintf("before internal_sem_post %d\n",(int)a);
internal_sem_post(&s);
cprintf("after internal_sem_post %d\n",(int)a);
return 0;
}
} while (1);
}
int main(int argc, char **argv)
{
NRT_TASK_MODEL m;
PID p2,p3;
struct timespec t;
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)
{ cprintf("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)
{ cprintf("Can't create pippo2 task...\n"); return 1; }
internal_sem_init(&s,1);
group_activate(1);
do {
sys_gettime(&t);
} while (t.tv_sec < 10);
sys_end();
return 0;
}