/usr/include/caf/exception.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_EXCEPTION_HPP
#define CAF_EXCEPTION_HPP
#include <string>
#include <cstdint>
#include <exception>
#include <stdexcept>
namespace caf {
/**
* Base class for exceptions.
*/
class caf_exception : public std::exception {
public:
~caf_exception() noexcept;
caf_exception() = delete;
caf_exception(const caf_exception&) = default;
caf_exception& operator=(const caf_exception&) = default;
/**
* Returns the error message.
*/
const char* what() const noexcept;
protected:
/**
* Creates an exception with the error string `what_str`.
*/
caf_exception(std::string&& what_str);
/**
* Creates an exception with the error string `what_str`.
*/
caf_exception(const std::string& what_str);
private:
std::string m_what;
};
/**
* Thrown if an actor finished execution.
*/
class actor_exited : public caf_exception {
public:
~actor_exited() noexcept;
actor_exited(uint32_t exit_reason);
actor_exited(const actor_exited&) = default;
actor_exited& operator=(const actor_exited&) = default;
/**
* Returns the exit reason.
*/
inline uint32_t reason() const noexcept;
private:
uint32_t m_reason;
};
/**
* Thrown to indicate that either an actor publishing failed or
* the middleman was unable to connect to a remote host.
*/
class network_error : public caf_exception {
using super = caf_exception;
public:
~network_error() noexcept;
network_error(std::string&& what_str);
network_error(const std::string& what_str);
network_error(const network_error&) = default;
network_error& operator=(const network_error&) = default;
};
/**
* Thrown to indicate that an actor publishing failed because
* the requested port could not be used.
*/
class bind_failure : public network_error {
using super = network_error;
public:
~bind_failure() noexcept;
bind_failure(std::string&& what_str);
bind_failure(const std::string& what_str);
bind_failure(const bind_failure&) = default;
bind_failure& operator=(const bind_failure&) = default;
};
inline uint32_t actor_exited::reason() const noexcept {
return m_reason;
}
} // namespace caf
#endif // CAF_EXCEPTION_HPP
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