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/*
* Copyright 2018 Google, Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer;
* redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Authors: Gabe Black
*/
#ifndef __SYSTEMC_EXT_CHANNEL_SC_FIFO_IN_IF_HH__
#define __SYSTEMC_EXT_CHANNEL_SC_FIFO_IN_IF_HH__
#include "../core/sc_interface.hh"
namespace sc_core
{
class sc_event;
template <class T>
class sc_fifo_nonblocking_in_if : virtual public sc_interface
{
public:
virtual bool nb_read(T &) = 0;
virtual const sc_event &data_written_event() const = 0;
};
template <class T>
class sc_fifo_blocking_in_if : virtual public sc_interface
{
public:
virtual void read(T &) = 0;
virtual T read() = 0;
};
template <class T>
class sc_fifo_in_if : public sc_fifo_nonblocking_in_if<T>,
public sc_fifo_blocking_in_if<T>
{
public:
virtual int num_available() const = 0;
protected:
sc_fifo_in_if() : sc_interface() {}
private:
// Disabled
sc_fifo_in_if(const sc_fifo_in_if<T> &);
sc_fifo_in_if<T> &operator = (const sc_fifo_in_if<T> &) { return *this; }
};
} // namespace sc_core
#endif //__SYSTEMC_EXT_CHANNEL_SC_FIFO_IN_IF_HH__
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