/usr/include/caf/mailbox_element.hpp is in libcaf-dev 0.13.2-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* ____ _ _____ *
* / ___| / \ | ___| C++ *
* | | / _ \ | |_ Actor *
* | |___ / ___ \| _| Framework *
* \____/_/ \_|_| *
* *
* Copyright (C) 2011 - 2015 *
* Dominik Charousset <dominik.charousset (at) haw-hamburg.de> *
* *
* Distributed under the terms and conditions of the BSD 3-Clause License or *
* (at your option) under the terms and conditions of the Boost Software *
* License 1.0. See accompanying files LICENSE and LICENSE_ALTERNATIVE. *
* *
* If you did not receive a copy of the license files, see *
* http://opensource.org/licenses/BSD-3-Clause and *
* http://www.boost.org/LICENSE_1_0.txt. *
******************************************************************************/
#ifndef CAF_MAILBOX_ELEMENT_HPP
#define CAF_MAILBOX_ELEMENT_HPP
#include <cstddef>
#include "caf/extend.hpp"
#include "caf/message.hpp"
#include "caf/actor_addr.hpp"
#include "caf/message_id.hpp"
#include "caf/ref_counted.hpp"
#include "caf/detail/memory.hpp"
#include "caf/detail/embedded.hpp"
#include "caf/detail/disposer.hpp"
#include "caf/detail/tuple_vals.hpp"
#include "caf/detail/pair_storage.hpp"
#include "caf/detail/message_data.hpp"
#include "caf/detail/memory_cache_flag_type.hpp"
namespace caf {
class mailbox_element : public memory_managed {
public:
static constexpr auto memory_cache_flag = detail::needs_embedding;
mailbox_element* next; // intrusive next pointer
mailbox_element* prev; // intrusive previous pointer
bool marked; // denotes if this node is currently processed
actor_addr sender;
message_id mid;
message msg; // 'content field'
mailbox_element();
mailbox_element(actor_addr sender, message_id id);
mailbox_element(actor_addr sender, message_id id, message data);
~mailbox_element();
mailbox_element(mailbox_element&&) = delete;
mailbox_element(const mailbox_element&) = delete;
mailbox_element& operator=(mailbox_element&&) = delete;
mailbox_element& operator=(const mailbox_element&) = delete;
using unique_ptr = std::unique_ptr<mailbox_element, detail::disposer>;
static unique_ptr make(actor_addr sender, message_id id, message msg);
template <class... Ts>
static unique_ptr make_joint(actor_addr sender, message_id id, Ts&&... xs) {
using value_storage =
detail::tuple_vals<
typename unbox_message_element<
typename detail::strip_and_convert<Ts>::type
>::type...
>;
std::integral_constant<size_t, 2> tk;
using storage = detail::pair_storage<mailbox_element, value_storage>;
auto ptr = detail::memory::create<storage>(tk, std::move(sender), id,
std::forward<Ts>(xs)...);
ptr->first.msg.reset(&(ptr->second), false);
return unique_ptr{&(ptr->first)};
}
inline bool is_high_priority() const {
return mid.is_high_priority();
}
};
using mailbox_element_ptr = std::unique_ptr<mailbox_element, detail::disposer>;
} // namespace caf
#endif // CAF_MAILBOX_ELEMENT_HPP
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