[thirdparty/squid.git] / src / base / AsyncCallQueue.h


/*
 * $Id$
 *
 */

#ifndef SQUID_ASYNCCALLQUEUE_H
#define SQUID_ASYNCCALLQUEUE_H

#include "squid-old.h"
#include "base/AsyncCall.h"

//class AsyncCall;

// The queue of asynchronous calls. All calls are fired during a single main
// loop iteration until the queue is exhausted
class AsyncCallQueue
{
public:
    // there is only one queue
    static AsyncCallQueue &Instance();

    // make this async call when we get a chance
    void schedule(AsyncCall::Pointer &call);

    // fire all scheduled calls; returns true if at least one was fired
    bool fire();

private:
    AsyncCallQueue();

    void fireNext();

    AsyncCall::Pointer theHead;
    AsyncCall::Pointer theTail;

    static AsyncCallQueue *TheInstance;
};

#endif /* SQUID_ASYNCCALLQUEUE_H */
Commit	Line	Data
cfa20cf5	1
cfa20cf5	2	/*
262a0e14	3	* $Id$
cfa20cf5	4	*
	5	*/
	6
	7	#ifndef SQUID_ASYNCCALLQUEUE_H
	8	#define SQUID_ASYNCCALLQUEUE_H
	9
f7f3304a	10	#include "squid-old.h"
882255af	11	#include "base/AsyncCall.h"
cfa20cf5	12
	13	//class AsyncCall;
	14
	15	// The queue of asynchronous calls. All calls are fired during a single main
	16	// loop iteration until the queue is exhausted
	17	class AsyncCallQueue
	18	{
	19	public:
	20	// there is only one queue
26ac0430	21	static AsyncCallQueue &Instance();
cfa20cf5	22
cfa20cf5	23	// make this async call when we get a chance
26ac0430	24	void schedule(AsyncCall::Pointer &call);
cfa20cf5	25
	26	// fire all scheduled calls; returns true if at least one was fired
	27	bool fire();
	28
	29	private:
	30	AsyncCallQueue();
	31
	32	void fireNext();
	33
	34	AsyncCall::Pointer theHead;
	35	AsyncCall::Pointer theTail;
	36
	37	static AsyncCallQueue *TheInstance;
	38	};
	39
	40	#endif /* SQUID_ASYNCCALLQUEUE_H */