// Copyright (2019-2023) Paul Scherrer Institute

#ifndef JUNGFRAUJOCH_ZEROCOPYRETURNVALUE_H
#define JUNGFRAUJOCH_ZEROCOPYRETURNVALUE_H

#include "ThreadSafeFIFO.h"

class ZeroCopyReturnValue {
    void *ptr;
    uint32_t handle;
    ThreadSafeFIFO<uint32_t> *fifo;
public:
    ZeroCopyReturnValue(void *in_ptr,
                        ThreadSafeFIFO<uint32_t> &in_fifo,
                        uint32_t in_handle) :
    ptr(in_ptr), fifo(&in_fifo), handle(in_handle) {}

    void *get_ptr() const {
        return ptr;
    }

    void release() const {
        fifo->PutBlocking(handle);
    }
};

#endif //JUNGFRAUJOCH_ZEROCOPYRETURNVALUE_H