haiku/src/servers/package/JobQueue.h

57 lines
937 B
C++

/*
* Copyright 2013-2014, Haiku, Inc. All Rights Reserved.
* Distributed under the terms of the MIT License.
*
* Authors:
* Ingo Weinhold <ingo_weinhold@gmx.de>
*/
#ifndef JOB_QUEUE_H
#define JOB_QUEUE_H
#include <pthread.h>
#include "Job.h"
class JobQueue {
public:
class Filter;
public:
JobQueue();
~JobQueue();
status_t Init();
void Close();
bool QueueJob(Job* job);
// acquires a reference, if successful
Job* DequeueJob();
// returns a reference
void DeleteJobs(Filter* filter);
private:
typedef DoublyLinkedList<Job> JobList;
private:
pthread_mutex_t fMutex;
pthread_cond_t fNewJobCondition;
bool fMutexInitialized;
bool fNewJobConditionInitialized;
JobList fJobs;
bool fClosed;
};
class JobQueue::Filter {
public:
virtual ~Filter();
virtual bool FilterJob(Job* job) = 0;
};
#endif // JOB_QUEUE_H