coroutine/src/exceptions.cpp at develop · boostorg/coroutine

37 lines (30 loc) · 993 Bytes

// Copyright Oliver Kowalke 2009.

// 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)

#include "boost/coroutine/exceptions.hpp"

namespace boost {

namespace coroutines {

class coroutine_error_category : public system::error_category

{

public:

virtual const char* name() const BOOST_NOEXCEPT

{ return "coroutine"; }

virtual std::string message( int ev) const

{

switch (BOOST_SCOPED_ENUM_NATIVE(coroutine_errc)(ev))

{

case coroutine_errc::no_data:

return std::string("Operation not permitted because coroutine "

"has no valid result.");

}

return std::string("unspecified coroutine_errc value\n");

}

};

BOOST_COROUTINES_DECL

system::error_category const& coroutine_category() BOOST_NOEXCEPT

{

static coroutines::coroutine_error_category cat;

return cat;

}

}}

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