42 lines
1.7 KiB
C++
42 lines
1.7 KiB
C++
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// boost/cstdlib.hpp header ------------------------------------------------//
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// Copyright Beman Dawes 2001. Distributed under the Boost
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// Software License, Version 1.0. (See accompanying file
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// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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// See http://www.boost.org/libs/utility/cstdlib.html for documentation.
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// Revision History
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// 26 Feb 01 Initial version (Beman Dawes)
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#ifndef BOOST_CSTDLIB_HPP
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#define BOOST_CSTDLIB_HPP
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#include <cstdlib>
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namespace boost
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{
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// The intent is to propose the following for addition to namespace std
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// in the C++ Standard Library, and to then deprecate EXIT_SUCCESS and
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// EXIT_FAILURE. As an implementation detail, this header defines the
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// new constants in terms of EXIT_SUCCESS and EXIT_FAILURE. In a new
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// standard, the constants would be implementation-defined, although it
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// might be worthwhile to "suggest" (which a standard is allowed to do)
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// values of 0 and 1 respectively.
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// Rationale for having multiple failure values: some environments may
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// wish to distinguish between different classes of errors.
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// Rationale for choice of values: programs often use values < 100 for
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// their own error reporting. Values > 255 are sometimes reserved for
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// system detected errors. 200/201 were suggested to minimize conflict.
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const int exit_success = EXIT_SUCCESS; // implementation-defined value
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const int exit_failure = EXIT_FAILURE; // implementation-defined value
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const int exit_exception_failure = 200; // otherwise uncaught exception
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const int exit_test_failure = 201; // report_error or
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// report_critical_error called.
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}
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#endif
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