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1120 pj 1
/*
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 * Project: S.Ha.R.K.
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 *
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 * Coordinators:
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 *   Giorgio Buttazzo    <giorgio@sssup.it>
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 *   Paolo Gai           <pj@gandalf.sssup.it>
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 *
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 * Authors     :
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 *   Paolo Gai           <pj@gandalf.sssup.it>
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 *   (see the web pages for full authors list)
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 *
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 * ReTiS Lab (Scuola Superiore S.Anna - Pisa - Italy)
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 *
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 * http://www.sssup.it
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 * http://retis.sssup.it
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 * http://shark.sssup.it
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 */
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/*
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 * Copyright (C) 2000 Giorgio Buttazzo, Paolo Gai
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 *
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 * This program is free software; you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License as published by
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 * the Free Software Foundation; either version 2 of the License, or
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 * (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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 *
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 *
1547 pj 37
 * CVS :        $Id: intsem.c,v 1.3 2005-01-08 14:31:38 pj Exp $
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 this test is a simple main() function with one other task.
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 This test verify the correctness of the internal_sem functions.
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*/
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#include "kernel/kern.h"
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#include <kernel/int_sem.h>
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internal_sem_t s;
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TASK pippo(void *a)
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{
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  int i=0;
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  struct timespec t;
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  do {
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    sys_gettime(&t);
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    if (i==0 && t.tv_sec == (int)a) {
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      i = 1;
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      cprintf("before internal_sem_wait %d\n",(int)a);
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      internal_sem_wait(&s);
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      cprintf("after internal_sem_wait %d\n",(int)a);
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    }
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    if (i==1 && t.tv_sec == 2+(int)a) {
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      i = 2;
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      cprintf("before internal_sem_post %d\n",(int)a);
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      internal_sem_post(&s);
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      cprintf("after internal_sem_post %d\n",(int)a);
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      return 0;
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    }
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  } while (1);
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}
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int main(int argc, char **argv)
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{
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  NRT_TASK_MODEL m;
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  PID p2,p3;
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  struct timespec t;
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  nrt_task_default_model(m);
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  nrt_task_def_group(m,1);
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  nrt_task_def_arg(m,(void *)1);
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  p2 = task_create("pippo1", pippo, &m, NULL);
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  if (p2 == NIL)
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  { cprintf("Can't create pippo1 task...\n"); return 1; }
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  nrt_task_def_arg(m,(void *)2);
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  p3 = task_create("pippo2", pippo, &m, NULL);
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  if (p3 == NIL)
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  { cprintf("Can't create pippo2 task...\n"); return 1; }
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  internal_sem_init(&s,1);
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  group_activate(1);
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  do {
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    sys_gettime(&t);
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  } while (t.tv_sec < 10);
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  exit(0);
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  return 0;
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}