Query a timer.
#include "gestures/timer.h"
int gesture_timer_query(struct gesture_base *gesture,
int timer_id,
int *pending,
_Uint64t *expiry)
A pointer to the gesture.
The id of the timer to query.
Returns the current state of the timer.
Returns the expiry time of the timer.
This function returns information about the timer. If the timer is valid, the return value is set to 0, the parameter pending is set to the timer's current pending state (destroyed timer will result in a -1 return value), and expiry is set to the timer's expiry time.
0 if the timer is valid, -1 otherwise.