/usr/include/caf/default_attachable.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_DEFAULT_ATTACHABLE_HPP
#define CAF_DEFAULT_ATTACHABLE_HPP
#include "caf/actor_addr.hpp"
#include "caf/attachable.hpp"
namespace caf {
class default_attachable : public attachable {
public:
enum observe_type {
monitor,
link
};
struct observe_token {
actor_addr observer;
observe_type type;
static constexpr size_t token_type = attachable::token::observer;
};
void actor_exited(abstract_actor* self, uint32_t reason) override;
bool matches(const token& what) override;
inline static attachable_ptr make_monitor(actor_addr observer) {
return attachable_ptr{new default_attachable(std::move(observer), monitor)};
}
inline static attachable_ptr make_link(actor_addr observer) {
return attachable_ptr{new default_attachable(std::move(observer), link)};
}
class predicate {
public:
inline predicate(actor_addr observer, observe_type type)
: m_observer(std::move(observer)),
m_type(type) {
// nop
}
inline bool operator()(const attachable_ptr& ptr) const {
return ptr->matches(observe_token{m_observer, m_type});
}
private:
actor_addr m_observer;
observe_type m_type;
};
private:
default_attachable(actor_addr observer, observe_type type);
actor_addr m_observer;
observe_type m_type;
};
} // namespace caf
#endif // CAF_DEFAULT_ATTACHABLE_HPP
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