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Rework vm_state_change notifiers (Jan Kiszka)

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Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6402 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
aliguori 2009-01-22 17:15:29 +00:00
parent 5c047c0d3f
commit 9781e0401a
4 changed files with 12 additions and 37 deletions
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29
vl.c
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@ -3451,37 +3451,21 @@ void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
qemu_free (e);
}
static void vm_state_notify(int running)
static void vm_state_notify(int running, int reason)
{
VMChangeStateEntry *e;
for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
e->cb(e->opaque, running);
e->cb(e->opaque, running, reason);
}
}
/* XXX: support several handlers */
static VMStopHandler *vm_stop_cb;
static void *vm_stop_opaque;
int qemu_add_vm_stop_handler(VMStopHandler *cb, void *opaque)
{
vm_stop_cb = cb;
vm_stop_opaque = opaque;
return 0;
}
void qemu_del_vm_stop_handler(VMStopHandler *cb, void *opaque)
{
vm_stop_cb = NULL;
}
void vm_start(void)
{
if (!vm_running) {
cpu_enable_ticks();
vm_running = 1;
vm_state_notify(1);
vm_state_notify(1, 0);
qemu_rearm_alarm_timer(alarm_timer);
}
}
@ -3491,12 +3475,7 @@ void vm_stop(int reason)
if (vm_running) {
cpu_disable_ticks();
vm_running = 0;
if (reason != 0) {
if (vm_stop_cb) {
vm_stop_cb(vm_stop_opaque, reason);
}
}
vm_state_notify(0);
vm_state_notify(0, reason);
}
}