process_debugger.hpp

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// ===-- include/proclib/process_debugger.hpp ------------- -*- C++ -*- --=== //
// Copyright (c) 2014 Matt Bisson.  All rights reserved.

#pragma once
#ifndef PROCLIB_PROCESS_DEBUGGER_HPP
#define PROCLIB_PROCESS_DEBUGGER_HPP

#include "proclib_ns.hpp"

#include <psystem/framework/memory.hpp>
#include <psystem/framework/not_copyable.hpp>

namespace proclib {

class base_debug_event_listener;

class process_debugger
    : psystem::not_copyable
{
public:
    using event_listener_id_t = int32_t;

    static constexpr event_listener_id_t invalid_event_listener_id = -1;

public:
    explicit process_debugger(psystem::process_id_t pid);

    ~process_debugger();

public:
    base_debug_event_listener& get_events() const noexcept;

    psystem::process_id_t get_process_id() const noexcept;

public:
    event_listener_id_t add_event_listener(
        std::shared_ptr<base_debug_event_listener> const& l);

    bool remove_event_listener(event_listener_id_t id);

    void set_kill_process_on_exit(bool kill_on_exit);

private:
    psystem::process_id_t const m_process_id;

    // PImpl pattern (somewhat) -- make a pointer to the data that will be used
    // for real work so we can forward declare it and avoid a direct header
    // dependency.
    struct dispatching_event_listener;

    std::unique_ptr<dispatching_event_listener> const m_events;
};

} // namespace proclib

#endif // PROCLIB_PROCESS_DEBUGGER_HPP