rusefi/firmware/controllers/system/timer/event_queue.h

55 lines
1.2 KiB
C++

/**
* @file event_queue.h
*
* @date Apr 17, 2014
* @author Andrey Belomutskiy, (c) 2012-2020
*/
#pragma once
#include "scheduler.h"
#include "utlist.h"
#include <rusefi/expected.h>
#define QUEUE_LENGTH_LIMIT 1000
/**
* Execution sorted linked list
*/
class EventQueue {
public:
// See comment in EventQueue::executeAll for info about lateDelay - it sets the
// time gap between events for which we will wait instead of rescheduling the next
// event in a group of events near one another.
explicit EventQueue(efidur_t lateDelay = 0);
/**
* O(size) - linear search in sorted linked list
*/
bool insertTask(scheduling_s *scheduling, efitick_t timeX, action_s action);
void remove(scheduling_s* scheduling);
int executeAll(efitick_t now);
bool executeOne(efitick_t now);
expected<efitick_t> getNextEventTime(efitick_t nowUs) const;
void clear();
int size() const;
scheduling_s *getElementAtIndexForUnitText(int index);
scheduling_s * getHead();
scheduling_s* getFreeScheduling();
void tryReturnScheduling(scheduling_s* sched);
private:
void assertListIsSorted() const;
/**
* this list is sorted
*/
scheduling_s *m_head = nullptr;
const efidur_t m_lateDelay;
scheduling_s* m_freelist = nullptr;
scheduling_s m_pool[64];
};