Function drmgr_register_restore_state_ex_event 

pub unsafe extern "C" fn drmgr_register_restore_state_ex_event(
    func: Option<unsafe extern "C" fn(drcontext: *mut c_void, restore_memory: bool_, info: *mut dr_restore_state_info_t) -> bool_>,
) -> bool_

Registers a callback function for the restore state extended event, which behaves just like DR’s restore state event dr_register_restore_state_ex_event(). \return whether successful.