// RequestPortPool.h

#ifndef USERLAND_FS_REQUEST_PORT_POOL_H
#define USERLAND_FS_REQUEST_PORT_POOL_H

#include <OS.h>

#include "Locker.h"

namespace UserlandFSUtil {

class RequestPort;

}

using UserlandFSUtil::RequestPort;

class RequestPortPool : public Locker {
public:
                                                                RequestPortPool();
                                                                ~RequestPortPool();

                        status_t                        InitCheck() const;

                        bool                            IsDisconnected() const;

                        status_t                        AddPort(RequestPort* port);

                        RequestPort*            AcquirePort();
                        void                            ReleasePort(RequestPort* port);

private:
                        friend class KernelDebug;

                        struct PortAcquirationInfo {
                                RequestPort*    port;
                                thread_id               owner;
                                int32                   count;
                        };

                        PortAcquirationInfo*    fPorts;
                        int32                           fPortCount;
                        int32                           fFreePorts;
                        sem_id                          fFreePortSemaphore;
                        volatile bool           fDisconnected;
};

#endif  // USERLAND_FS_REQUEST_PORT_POOL_H