printk(KERN_ERR "xterm_fd : failed to allocate xterm_wait\n");
return(-ENOMEM);
}
+
+ /* This is a locked semaphore... */
*data = ((struct xterm_wait)
{ .sem = __SEMAPHORE_INITIALIZER(data->sem, 0),
.fd = socket,
err = um_request_irq(XTERM_IRQ, socket, IRQ_READ, xterm_interrupt,
SA_INTERRUPT | SA_SHIRQ | SA_SAMPLE_RANDOM,
"xterm", data);
- if(err){
+ if (err){
printk(KERN_ERR "xterm_fd : failed to get IRQ for xterm, "
"err = %d\n", err);
ret = err;
goto out;
}
+
+ /* ... so here we wait for an xterm interrupt.
+ *
+ * XXX Note, if the xterm doesn't work for some reason (eg. DISPLAY
+ * isn't set) this will hang... */
down(&data->sem);
+ free_irq_by_irq_and_dev(XTERM_IRQ, data);
free_irq(XTERM_IRQ, data);
ret = data->new_fd;