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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 1.3 2005-01-08 14:31:38 pj 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);
exit(0);
return 0;
}