boost/fiber/exceptions.hpp

//
//          Copyright Oliver Kowalke 2013.
// Distributed under the Boost Software License, Version 1.0.
//    (See accompanying file LICENSE_1_0.txt or copy at
//          http://www.boost.org/LICENSE_1_0.txt)
// based on boost.thread
#ifndef BOOST_fiber_errorS_H
#define BOOST_fiber_errorS_H
#include <future>
#include <stdexcept>
#include <string>
#include <system_error>
#include <boost/config.hpp>
#include <boost/fiber/detail/config.hpp>
#ifdef BOOST_HAS_ABI_HEADERS
#  include BOOST_ABI_PREFIX
#endif
namespace boost {
namespace fibers {
class fiber_error : public std::system_error {
public:
    fiber_error( std::error_code ec) :
        std::system_error( ec) {
    }
    fiber_error( std::error_code ec, const char * what_arg) :
        std::system_error( ec, what_arg) {
    }
    fiber_error( std::error_code ec, std::string const& what_arg) :
        std::system_error( ec, what_arg) {
    }
    virtual ~fiber_error() = default;
};
class lock_error : public fiber_error {
public:
    lock_error( std::error_code ec) :
        fiber_error( ec) {
    }
    lock_error( std::error_code ec, const char * what_arg) :
        fiber_error( ec, what_arg) {
    }
    lock_error( std::error_code ec, std::string const& what_arg) :
        fiber_error( ec, what_arg) {
    }
};
enum class future_errc {
    broken_promise = 1,
    future_already_retrieved,
    promise_already_satisfied,
    no_state
};
BOOST_FIBERS_DECL
std::error_category const& future_category() noexcept;
}}
namespace std {
template<>
struct is_error_code_enum< boost::fibers::future_errc > : public true_type {
};
inline
std::error_code make_error_code( boost::fibers::future_errc e) noexcept {
    return std::error_code( static_cast< int >( e), boost::fibers::future_category() );
}
inline
std::error_condition make_error_condition( boost::fibers::future_errc e) noexcept {
    return std::error_condition( static_cast< int >( e), boost::fibers::future_category() );
}
}
namespace boost {
namespace fibers {
class future_error : public fiber_error {
public:
    future_error( std::error_code ec) :
        fiber_error( ec) {
    }
};
class future_uninitialized : public future_error {
public:
    future_uninitialized() :
        future_error( std::make_error_code( future_errc::no_state) ) {
    }
};
class future_already_retrieved : public future_error {
public:
    future_already_retrieved() :
        future_error( std::make_error_code( future_errc::future_already_retrieved) ) {
    }
};
class broken_promise : public future_error {
public:
    broken_promise() :
        future_error( std::make_error_code( future_errc::broken_promise) ) {
    }
};
class promise_already_satisfied : public future_error {
public:
    promise_already_satisfied() :
        future_error( std::make_error_code( future_errc::promise_already_satisfied) ) {
    }
};
class promise_uninitialized : public future_error {
public:
    promise_uninitialized() :
        future_error( std::make_error_code( future_errc::no_state) ) {
    }
};
class packaged_task_uninitialized : public future_error {
public:
    packaged_task_uninitialized() :
        future_error( std::make_error_code( future_errc::no_state) ) {
    }
};
}}
#ifdef BOOST_HAS_ABI_HEADERS
#  include BOOST_ABI_SUFFIX
#endif
#endif // BOOST_fiber_errorS_H