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aio / timers: Add a notify callback to QEMUTimerList

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Add a notify pointer to QEMUTimerList so it knows what to notify
on a timer change.

Signed-off-by: Alex Bligh <alex@alex.org.uk>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Alex Bligh 2013-08-21 16:02:50 +01:00 • committed by Stefan Hajnoczi
parent dae21b98b9
commit d5541d8680
3 changed files with 52 additions and 11 deletions
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25
include/qemu/timer.h
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@ -59,6 +59,7 @@ struct QEMUTimerListGroup {
};
typedef void QEMUTimerCB(void *opaque);
typedef void QEMUTimerListNotifyCB(void *opaque);
struct QEMUTimer {
int64_t expire_time; /* in nanoseconds */
@ -137,13 +138,16 @@ QEMUTimerList *qemu_clock_get_main_loop_timerlist(QEMUClock *clock);
/**
* timerlist_new:
* @type: the clock type to associate with the timerlist
* @cb: the callback to call on notification
* @opaque: the opaque pointer to pass to the callback
*
* Create a new timerlist associated with the clock of
* type @type.
*
* Returns: a pointer to the QEMUTimerList created
*/
QEMUTimerList *timerlist_new(QEMUClockType type);
QEMUTimerList *timerlist_new(QEMUClockType type,
QEMUTimerListNotifyCB *cb, void *opaque);
/**
* timerlist_free:
@ -223,14 +227,29 @@ QEMUClock *timerlist_get_clock(QEMUTimerList *timer_list);
*/
bool timerlist_run_timers(QEMUTimerList *timer_list);
/**
* timerlist_notify:
* @timer_list: the timer list to use
*
* call the notifier callback associated with the timer list.
*/
void timerlist_notify(QEMUTimerList *timer_list);
/**
* timerlistgroup_init:
* @tlg: the timer list group
* @cb: the callback to call when a notify is required
* @opaque: the opaque pointer to be passed to the callback.
*
* Initialise a timer list group. This must already be
* allocated in memory and zeroed.
* allocated in memory and zeroed. The notifier callback is
* called whenever a clock in the timer list group is
* reenabled or whenever a timer associated with any timer
* list is modified. If @cb is specified as null, qemu_notify()
* is used instead.
*/
void timerlistgroup_init(QEMUTimerListGroup *tlg);
void timerlistgroup_init(QEMUTimerListGroup *tlg,
QEMUTimerListNotifyCB *cb, void *opaque);
/**
* timerlistgroup_deinit: