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none.hpp
/*
* Copyright (c) 2014, Peter Thorson. All rights reserved.
*
* 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 WebSocket++ Project 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 PETER THORSON 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.
*
*/
#ifndef WEBSOCKETPP_CONCURRENCY_NONE_HPP
#define WEBSOCKETPP_CONCURRENCY_NONE_HPP
namespace websocketpp {
/// Concurrency handling support
namespace concurrency {
/// Implementation for no-op locking primitives
namespace none_impl {
/// A fake mutex implementation that does nothing
class fake_mutex {
public:
fake_mutex() {}
~fake_mutex() {}
};
/// A fake lock guard implementation that does nothing
class fake_lock_guard {
public:
explicit fake_lock_guard(fake_mutex) {}
~fake_lock_guard() {}
};
} // namespace none_impl
/// Stub concurrency policy that implements the interface using no-ops.
/**
* This policy documents the concurrency policy interface using no-ops. It can
* be used as a reference or base for building a new concurrency policy. It can
* also be used as is to disable all locking for endpoints used in purely single
* threaded programs.
*/
class none {
public:
/// The type of a mutex primitive
/**
* std::mutex is an example.
*/
typedef none_impl::fake_mutex mutex_type;
/// The type of a scoped/RAII lock primitive.
/**
* The scoped lock constructor should take a mutex_type as a parameter,
* acquire that lock, and release it in its destructor. std::lock_guard is
* an example.
*/
typedef none_impl::fake_lock_guard scoped_lock_type;
};
} // namespace concurrency
} // namespace websocketpp
#endif // WEBSOCKETPP_CONCURRENCY_ASYNC_HPP
websocketpp::concurrency::none_impl::fake_lock_guard
A fake lock guard implementation that does nothing.
Definition none.hpp:46
websocketpp::concurrency::none_impl::fake_mutex
A fake mutex implementation that does nothing.
Definition none.hpp:39
websocketpp::concurrency::none
Stub concurrency policy that implements the interface using no-ops.
Definition none.hpp:60
websocketpp::concurrency::none::mutex_type
none_impl::fake_mutex mutex_type
The type of a mutex primitive.
Definition none.hpp:66
websocketpp::concurrency::none::scoped_lock_type
none_impl::fake_lock_guard scoped_lock_type
The type of a scoped/RAII lock primitive.
Definition none.hpp:74
websocketpp::concurrency::none_impl
Implementation for no-op locking primitives.
Definition none.hpp:37
websocketpp::concurrency
Concurrency handling support.
Definition basic.hpp:34
websocketpp
Namespace for the WebSocket++ project.
Definition asio_no_tls_client.hpp:34