int main(int argc, char *argv[])
{
int choice = 1;
choice = check_model();
switch(choice) {
//test the data size on kernel and application.
case 1:
{
data_size(argc, argv);
break;
}
//test the fasync signal handle method.
case 2:
{
fasync_handle(argc, argv);
break;
}
//test the input and output method by poll.
case 3:
{
io_poll(argc, argv);
break;
}
//test the concole which recv the kernel message.
case 4:
{
concole_ctl(argc, argv);
break;
}
//test the page difference by compared dev map addr.
case 5:
{
mem_cmp(argc, argv);
break;
}
//test the input and ouput on all dev ports.
case 6:
{
port_io(argc, argv);
break;
}
//default do nothing
default:
{
break;
}
}
return 0;
}
int
port_write (port_t *port, void *buf, int size)
{
int ret;
pthread_mutex_lock (&port->wlock); /* 同時に書ける人は、ひとりのみ */
ret = port_io (port, buf, size, WRITE);
pthread_mutex_unlock (&port->wlock);
return ret;
}
int
port_read (port_t *port, void *buf, int size)
{
int ret;
pthread_mutex_lock (&port->rlock); /* 同時に読める人は、ひとりのみ */
ret = port_io (port, buf, size, READ);
pthread_mutex_unlock (&port->rlock);
return ret;
}
