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Introduce powerdown_notifiers

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Notifier will be used for signaling powerdown request to guest in
a more general way and intended to replace very specific
qemu_irq_rise(qemu_system_powerdown) and will allow to remove global
variable qemu_system_powerdown.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Igor Mammedov 2012-09-05 23:06:21 +02:00 • committed by Anthony Liguori
parent d9b41bcda9
commit a9552c8edb
2 changed files with 9 additions and 0 deletions
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1
sysemu.h
View file

@ -52,6 +52,7 @@ void qemu_system_wakeup_enable(WakeupReason reason, bool enabled);
void qemu_register_wakeup_notifier(Notifier *notifier); void qemu_register_wakeup_notifier(Notifier *notifier);
void qemu_system_shutdown_request(void); void qemu_system_shutdown_request(void);
void qemu_system_powerdown_request(void); void qemu_system_powerdown_request(void);
void qemu_register_powerdown_notifier(Notifier *notifier);
void qemu_system_debug_request(void); void qemu_system_debug_request(void);
void qemu_system_vmstop_request(RunState reason); void qemu_system_vmstop_request(RunState reason);
int qemu_shutdown_requested_get(void); int qemu_shutdown_requested_get(void);

8
vl.c
View file

@ -1355,6 +1355,8 @@ static int powerdown_requested;
static int debug_requested; static int debug_requested;
static int suspend_requested; static int suspend_requested;
static int wakeup_requested; static int wakeup_requested;
static NotifierList powerdown_notifiers =
NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
static NotifierList suspend_notifiers = static NotifierList suspend_notifiers =
NOTIFIER_LIST_INITIALIZER(suspend_notifiers); NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
static NotifierList wakeup_notifiers = static NotifierList wakeup_notifiers =
@ -1569,6 +1571,11 @@ void qemu_system_powerdown_request(void)
qemu_notify_event(); qemu_notify_event();
} }
void qemu_register_powerdown_notifier(Notifier *notifier)
{
notifier_list_add(&powerdown_notifiers, notifier);
}
void qemu_system_debug_request(void) void qemu_system_debug_request(void)
{ {
debug_requested = 1; debug_requested = 1;
@ -1620,6 +1627,7 @@ static bool main_loop_should_exit(void)
} }
if (qemu_powerdown_requested()) { if (qemu_powerdown_requested()) {
monitor_protocol_event(QEVENT_POWERDOWN, NULL); monitor_protocol_event(QEVENT_POWERDOWN, NULL);
notifier_list_notify(&powerdown_notifiers, NULL);
qemu_irq_raise(qemu_system_powerdown); qemu_irq_raise(qemu_system_powerdown);
} }
if (qemu_vmstop_requested(&r)) { if (qemu_vmstop_requested(&r)) {