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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
*/
/**
------------
CVS : $Id: sig.c,v 1.2 2002-11-11 08:20:44 pj Exp $
File: $File$
Revision: $Revision: 1.2 $
Last update: $Date: 2002-11-11 08:20:44 $
------------
**/
/*
* Copyright (C) 2000 Paolo Gai and Giorgio Buttazzo
*
* 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
*
*/
/*
Test Number 5:
this test is a simple main() function with one other task
This test can be useful to test functions like:
sys_gettime
sigemptyset
sigaddset
hartik_deliver_pending_signals
sys_end
task_sigmask
sigaction
sigqueue
task_signal
*/
#include "kernel/kern.h"
TASK goofy
(void *arg
)
{
struct timespec t
;
cprintf
("Goofy: waiting 2 secs...\n");
do {
sys_gettime
(&t
);
} while (t.
tv_sec < 2); // wait until 2 sec
cprintf
("Goofy: ok, I'm ready :-)\n");
return 0;
}
void catchit
(int signo
, siginfo_t
*info
, void *extra
)
{
cprintf
("Current Running Task = %d signo=%d code=%d value=%d from pid=%d\n",
exec_shadow
,
info
->si_signo
, info
->si_code
,
info
->si_value.
sival_int, info
->si_task
);
}
int main
(int argc
, char **argv
)
{
struct timespec t
;
NRT_TASK_MODEL m
;
PID p2
;
sigset_t newmask
;
sigset_t oldmask
;
struct sigaction action
;
union sigval sval
;
clear
();
/* Set the signal action */
action.
sa_flags = SA_SIGINFO
;
action.
sa_sigaction = catchit
;
action.
sa_handler = 0;
action.
sa_mask = 0;
if (sigaction
(SIGUSR1
, &action
, NULL
) == -1) {
perror("Error using sigaction.");
return -1;
}
action.
sa_flags = 0;
action.
sa_handler = (void (*)(int))catchit
;
if (sigaction
(SIGILL
, &action
, NULL
) == -1) {
perror("Error using sigaction.");
return -1;
}
/* create another task */
nrt_task_default_model
(m
);
nrt_task_def_group
(m
,1);
p2
= task_create
("goofy", goofy
, &m
, NULL
);
if (p2
== NIL
)
{
cprintf
("Can't create goofy task...\n");
return 1;
}
group_activate
(1);
/* block the signal for the main task */
sigemptyset
(&newmask
);
sigaddset
(&newmask
,SIGUSR1
);
task_sigmask
(SIG_BLOCK
, &newmask
, &oldmask
); // pthread_sigmask
cprintf
("main: Sending 2 signals ...\n");
sval.
sival_int = 123;
sigqueue
(0,SIGUSR1
,sval
);
sval.
sival_int = 999;
sigqueue
(0,SIGUSR1
,sval
);
cprintf
("main: Now sending a signal to myself,"
" then wait until 4 secs...\n");
task_signal
(0 /* main */, SIGILL
); // pthread_kill
NULL_TIMESPEC
(&t
);
do {
sys_gettime
(&t
);
} while (t.
tv_sec < 4); // wait until 4 s
cprintf
("main: ending...\n");
return 0;
}