Archipelago » qemu

/* XXX For some odd reason we sometimes hang inside KVM forever. I'd guess it's

 *     a race condition where we actually have a level triggered interrupt, but

 *     the infrastructure can't expose that yet, so the guest ACKs it, goes to

 *     sleep and never gets notified that there's still an interrupt pending.

 *

 *     As a quick workaround, let's just wake up every 500 ms. That way we can

 *     assure that we're always reinjecting interrupts in time.

 */

static QEMUTimer *idle_timer;

static void do_nothing(void *opaque)

{

    qemu_mod_timer(idle_timer, qemu_get_clock(vm_clock) +

                   (get_ticks_per_sec() / 2));

}

    if (!idle_timer) {

        idle_timer = qemu_new_timer(vm_clock, do_nothing, NULL);

        qemu_mod_timer(idle_timer, qemu_get_clock(vm_clock) +

                       (get_ticks_per_sec() / 2));

    }