static ssize_t
mycdrv_write (struct file *file, const char __user * buf, size_t lbuf,
loff_t * ppos)
{
int nbytes = mycdrv_generic_write (file, buf, lbuf, ppos);
printk (KERN_INFO "process %i (%s) awakening the readers...\n",
current->pid, current->comm);
wake_up_interruptible (&wq);
atomic_set (&data_ready, 1);
return nbytes;
}
static ssize_t
mycdrv_write(struct file *file, const char __user * buf, size_t lbuf,
loff_t * ppos)
{
static int len = 100;
pr_info(" Entering the WRITE function\n");
pr_info(" my current task pid is %d\n", (int)current->pid);
init_timer(&my_timer); /* intialize */
my_timer.function = my_timer_function;
my_timer.expires = jiffies + HZ; /* one second delay */
my_timer.data = len;
add_timer(&my_timer);
pr_info("Adding timer at jiffies = %ld\n", jiffies);
len += 100;
return mycdrv_generic_write(file, buf, lbuf, ppos);
}
