[ceph.git] / ceph / src / common / ThrottleInterface.h

// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab

#pragma once

#include <cstdint>

class ThrottleInterface {
public:
  virtual ~ThrottleInterface() {}
  /**
   * take the specified number of slots from the stock regardless the throttling
   * @param c number of slots to take
   * @returns the total number of taken slots
   */
  virtual int64_t take(int64_t c = 1) = 0;
  /**
   * put slots back to the stock
   * @param c number of slots to return
   * @returns number of requests being hold after this
   */
  virtual int64_t put(int64_t c = 1) = 0;
};
Commit	Line	Data
11fdf7f2 TL	1	// -- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t --
	2	// vim: ts=8 sw=2 smarttab
	3
	4	#pragma once
	5
	6	#include <cstdint>
	7
	8	class ThrottleInterface {
	9	public:
	10	virtual ~ThrottleInterface() {}
	11	/**
	12	* take the specified number of slots from the stock regardless the throttling
	13	* @param c number of slots to take
	14	* @returns the total number of taken slots
	15	*/
	16	virtual int64_t take(int64_t c = 1) = 0;
	17	/**
	18	* put slots back to the stock
	19	* @param c number of slots to return
	20	* @returns number of requests being hold after this
	21	*/
	22	virtual int64_t put(int64_t c = 1) = 0;
	23	};