static int __init alsa_seq_oss_init(void)
{
int rc;
if ((rc = register_device()) < 0)
goto error;
if ((rc = register_proc()) < 0) {
unregister_device();
goto error;
}
if ((rc = snd_seq_oss_create_client()) < 0) {
unregister_proc();
unregister_device();
goto error;
}
rc = snd_seq_driver_register(&seq_oss_synth_driver);
if (rc < 0) {
snd_seq_oss_delete_client();
unregister_proc();
unregister_device();
goto error;
}
/* success */
snd_seq_oss_synth_init();
error:
return rc;
}
static int __init alsa_seq_oss_init(void)
{
int rc;
static struct snd_seq_dev_ops ops = {
snd_seq_oss_synth_register,
snd_seq_oss_synth_unregister,
};
snd_seq_autoload_lock();
if ((rc = register_device()) < 0)
goto error;
if ((rc = register_proc()) < 0) {
unregister_device();
goto error;
}
if ((rc = snd_seq_oss_create_client()) < 0) {
unregister_proc();
unregister_device();
goto error;
}
if ((rc = snd_seq_device_register_driver(SNDRV_SEQ_DEV_ID_OSS, &ops,
sizeof(struct snd_seq_oss_reg))) < 0) {
snd_seq_oss_delete_client();
unregister_proc();
unregister_device();
goto error;
}
/* success */
snd_seq_oss_synth_init();
error:
snd_seq_autoload_unlock();
return rc;
}
int main()
{
struct timeval t1, t2;
printf("Input a number representing the number of timers for factorial: ");
scanf("%d",&ROUND);
printf("Input a number representing the rate of period over processing: ");
scanf("%d",&PERIOD_PRO_RATIO);
printf("Input a number representing the number of repeating jobs: ");
scanf("%d",&JOB_NUM);
// estimate the job time
int comp_time = get_job_time();
int period = PERIOD_PRO_RATIO * comp_time;
printf("cal job time: %d ms \n", comp_time);
// register in the module
int pid = register_proc(period, comp_time);
printf("computation time: %d ms, period: %d ms \n", comp_time,period);
// verify the process was admitted
if (!verify(pid))
{
printf("process %d was not admitted!\n", pid);
exit(1);
}
yield(pid);
// real-time loop
int i;
for (i=0; i<JOB_NUM; i++){
system("cat /proc/mp2/status");
gettimeofday(&t1,NULL);
printf("Start Time of this job with ID %d : %d sec \n",pid,t1.tv_sec);
do_job();
gettimeofday(&t2,NULL);
printf("End Time of this job with ID %d : %d sec \n",pid,t2.tv_sec);
yield(pid);
}
deregister(pid);
// read the list of processes
//system("cat /proc/mp2/status");
printf("Test application ends.\n");
return 0;
}
