/usr/include/caf/resumable.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_RESUMABLE_HPP
#define CAF_RESUMABLE_HPP
#include <cstddef> // size_t
namespace caf {
class execution_unit;
/**
* A cooperatively executed task managed by one or more
* instances of `execution_unit`.
*/
class resumable {
public:
enum resume_result {
resume_later,
awaiting_message,
done,
shutdown_execution_unit
};
resumable() = default;
virtual ~resumable();
/**
* Initializes this object, e.g., by increasing the the reference count.
*/
virtual void attach_to_scheduler() = 0;
/**
* Uninitializes this object, e.g., by decrementing the the reference count.
*/
virtual void detach_from_scheduler() = 0;
/**
* Resume any pending computation until it is either finished
* or needs to be re-scheduled later.
*/
virtual resume_result resume(execution_unit*, size_t max_throughput) = 0;
};
} // namespace caf
#endif // CAF_RESUMABLE_HPP
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