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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: ptest3.c,v 1.4 2005-01-08 14:36:11 pj Exp $
File: $File$
Revision: $Revision: 1.4 $
Last update: $Date: 2005-01-08 14:36:11 $
------------
Posix test 3:
timers...
it creates two periodic timers that queues signals, a periodic timer
that create tasks and an one-shot timer.
non standard function used:
cprintf
sys_gettime
keyboard stuffs
**/
/*
* 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 <sys/types.h>
#include <pthread.h>
#include <time.h>
#include <kernel/kern.h>
int count25 = 0, count26 = 0;
void signal_handler(int signo, siginfo_t *info, void *extra)
{
switch (signo) {
case 25:
count25++;
break;
case 26:
count26++;
break;
}
cprintf("Signal %d code=%s value=%d task=%d count25=%d count26=%d time=%ldusec\n",
info->si_signo,
(info->si_code == SI_TIMER) ? "Timer" : "Other",
info->si_value.sival_int,
info->si_task,
count25,
count26,
sys_gettime(NULL));
}
void task_timer(union sigval value)
{
cprintf("task_timer: value = %d, time = %ldusec\n",
value.sival_int, sys_gettime(NULL));
}
int main(int argc, char **argv)
{
int err;
timer_t timer1, timer2, timer3;
struct itimerspec timeout1, timeout2, timeout3, nulltimeout;
struct sigaction sig_act;
struct sigevent ev25, ev26, evtask;
pthread_attr_t task_attr;
struct sched_param task_param;
sig_act.sa_sigaction = (void *) signal_handler;
sig_act.sa_flags = SA_SIGINFO;
sigemptyset(&sig_act.sa_mask);
sigaction(25, &sig_act, NULL);
sigaction(26, &sig_act, NULL);
// set ev25, ev26, evtask
ev25.sigev_notify = SIGEV_SIGNAL;
ev25.sigev_signo = 25;
ev25.sigev_value.sival_int = 555;
ev26.sigev_notify = SIGEV_SIGNAL;
ev26.sigev_signo = 26;
ev26.sigev_value.sival_int = 666;
evtask.sigev_notify = SIGEV_THREAD;
evtask.sigev_value.sival_int = 777;
evtask.sigev_notify_function = task_timer;
evtask.sigev_notify_attributes = &task_attr;
pthread_attr_init(&task_attr);
pthread_attr_setdetachstate(&task_attr, PTHREAD_CREATE_DETACHED);
pthread_attr_setschedpolicy(&task_attr, SCHED_FIFO);
task_param.sched_priority = 10;
pthread_attr_setschedparam(&task_attr, &task_param);
// set timeout1, timeout2, nulltimeout
timeout1.it_interval.tv_sec = 0;
timeout1.it_interval.tv_nsec = 500000000;
timeout1.it_value.tv_sec = 3;
timeout1.it_value.tv_nsec = 0;
timeout2.it_interval.tv_sec = 0;
timeout2.it_interval.tv_nsec = 200000000;
timeout2.it_value.tv_sec = 7;
timeout2.it_value.tv_nsec = 0;
timeout3.it_interval.tv_sec = 0;
timeout3.it_interval.tv_nsec = 300000000;
timeout3.it_value.tv_sec = 5;
timeout3.it_value.tv_nsec = 0;
NULL_TIMESPEC(&nulltimeout.it_value);
NULL_TIMESPEC(&nulltimeout.it_interval);
// create the timers
err = timer_create(CLOCK_REALTIME, &ev25, &timer1);
if (err == -1) { cprintf("main: unable to create timer 1\n"); }
err = timer_create(CLOCK_REALTIME, &ev26, &timer2);
if (err == -1) { cprintf("main: unable to create timer 2\n"); }
err = timer_create(CLOCK_REALTIME, &evtask, &timer3);
if (err == -1) { cprintf("main: unable to create timer 3\n"); }
// arm the timers
err = timer_settime(timer1, TIMER_ABSTIME, &timeout1, NULL);
if (err == -1) { cprintf("main: unable to set timer 1\n"); }
err = timer_settime(timer2, 0, &timeout2, NULL);
if (err == -1) { cprintf("main: unable to set timer 2\n"); }
err = timer_settime(timer3, TIMER_ABSTIME, &timeout3, NULL);
if (err == -1) { cprintf("main: unable to set timer 3\n"); }
cprintf("main: waiting signals...\n");
while (sys_gettime(NULL) < 8500000) {
//kern_deliver_pending_signals();
}
cprintf("main: disarm the timer2\n");
err = timer_settime(timer2, 0, &nulltimeout, &timeout2);
if (err == -1) { cprintf("main: unable to disarm timer 2\n"); }
cprintf("main: timer2 disarmed, itvalue=%ld.%ld\n",
timeout2.it_value.tv_sec,timeout2.it_value.tv_nsec/1000);
while (sys_gettime(NULL) < 10000000) {
//kern_deliver_pending_signals();
}
cprintf("main: disarm the timer1\n");
err = timer_settime(timer1, TIMER_ABSTIME, &nulltimeout, &timeout1);
if (err == -1) { cprintf("main: unable to disarm timer 1\n"); }
cprintf("main: timer1 disarmed, itvalue=%ld.%ld\n",
timeout1.it_value.tv_sec,timeout1.it_value.tv_nsec/1000);
while (sys_gettime(NULL) < 12000000) {
//kern_deliver_pending_signals();
}
cprintf("main: arm timer1\n");
timeout1.it_interval.tv_sec = 0;
timeout1.it_interval.tv_nsec = 0;
timeout1.it_value.tv_sec = 13;
timeout1.it_value.tv_nsec = 0;
err = timer_settime(timer1, TIMER_ABSTIME, &timeout1, NULL);
if (err == -1) { cprintf("main: unable to arm timer 1\n"); }
while (sys_gettime(NULL) < 14000000) {
//kern_deliver_pending_signals();
}
cprintf("main: ending...\n");
return 0;
}