i_poll_events.hpp

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/* SPDX-License-Identifier: MPL-2.0 */
 
#ifndef __ZMQ_I_POLL_EVENTS_HPP_INCLUDED__
#define __ZMQ_I_POLL_EVENTS_HPP_INCLUDED__
 
#include "macros.hpp"
 
namespace zmq
{
// Virtual interface to be exposed by object that want to be notified
// about events on file descriptors.
 
struct i_poll_events
{
    virtual ~i_poll_events () ZMQ_DEFAULT;
 
    // Called by I/O thread when file descriptor is ready for reading.
    virtual void in_event () = 0;
 
    // Called by I/O thread when file descriptor is ready for writing.
    virtual void out_event () = 0;
 
    // Called when timer expires.
    virtual void timer_event (int id_) = 0;
};
}
 
#endif