mirror of
https://github.com/bitcoin/bitcoin.git
synced 2025-02-02 14:37:42 -03:00
306ccd4927
-BEGIN VERIFY SCRIPT- ./contrib/devtools/copyright_header.py update ./ -END VERIFY SCRIPT- Commits of previous years: - 2021:f47dda2c58- 2020:fa0074e2d8- 2019:aaaaad6ac9
39 lines
1.1 KiB
C++
39 lines
1.1 KiB
C++
// Copyright (c) 2018-2022 The Bitcoin Core developers
|
|
// Distributed under the MIT software license, see the accompanying
|
|
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
|
|
|
|
#ifndef BITCOIN_INTERFACES_HANDLER_H
|
|
#define BITCOIN_INTERFACES_HANDLER_H
|
|
|
|
#include <functional>
|
|
#include <memory>
|
|
|
|
namespace boost {
|
|
namespace signals2 {
|
|
class connection;
|
|
} // namespace signals2
|
|
} // namespace boost
|
|
|
|
namespace interfaces {
|
|
|
|
//! Generic interface for managing an event handler or callback function
|
|
//! registered with another interface. Has a single disconnect method to cancel
|
|
//! the registration and prevent any future notifications.
|
|
class Handler
|
|
{
|
|
public:
|
|
virtual ~Handler() {}
|
|
|
|
//! Disconnect the handler.
|
|
virtual void disconnect() = 0;
|
|
};
|
|
|
|
//! Return handler wrapping a boost signal connection.
|
|
std::unique_ptr<Handler> MakeSignalHandler(boost::signals2::connection connection);
|
|
|
|
//! Return handler wrapping a cleanup function.
|
|
std::unique_ptr<Handler> MakeCleanupHandler(std::function<void()> cleanup);
|
|
|
|
} // namespace interfaces
|
|
|
|
#endif // BITCOIN_INTERFACES_HANDLER_H
|