585 lines
25 KiB
C++
Executable File
585 lines
25 KiB
C++
Executable File
// (C) Copyright Gennadiy Rozental 2001.
|
|
// (C) Copyright Beman Dawes 2001.
|
|
// 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)
|
|
|
|
// See http://www.boost.org/libs/test for the library home page.
|
|
//
|
|
//!@file
|
|
//!@brief Defines public interface of the Execution Monitor and related classes
|
|
// ***************************************************************************
|
|
|
|
#ifndef BOOST_TEST_EXECUTION_MONITOR_HPP_071894GER
|
|
#define BOOST_TEST_EXECUTION_MONITOR_HPP_071894GER
|
|
|
|
// Boost.Test
|
|
#include <boost/test/detail/global_typedef.hpp>
|
|
#include <boost/test/detail/fwd_decl.hpp>
|
|
#include <boost/test/detail/throw_exception.hpp>
|
|
|
|
#include <boost/test/utils/class_properties.hpp>
|
|
|
|
// Boost
|
|
#include <boost/shared_ptr.hpp>
|
|
#include <boost/scoped_array.hpp>
|
|
#include <boost/type.hpp>
|
|
#include <boost/cstdlib.hpp>
|
|
#include <boost/function/function0.hpp>
|
|
|
|
#include <boost/test/detail/suppress_warnings.hpp>
|
|
|
|
#ifdef BOOST_SEH_BASED_SIGNAL_HANDLING
|
|
|
|
// for the FP constants and control routines
|
|
#include <float.h>
|
|
|
|
#ifndef EM_INVALID
|
|
#define EM_INVALID _EM_INVALID
|
|
#endif
|
|
|
|
#ifndef EM_DENORMAL
|
|
#define EM_DENORMAL _EM_DENORMAL
|
|
#endif
|
|
|
|
#ifndef EM_ZERODIVIDE
|
|
#define EM_ZERODIVIDE _EM_ZERODIVIDE
|
|
#endif
|
|
|
|
#ifndef EM_OVERFLOW
|
|
#define EM_OVERFLOW _EM_OVERFLOW
|
|
#endif
|
|
|
|
#ifndef EM_UNDERFLOW
|
|
#define EM_UNDERFLOW _EM_UNDERFLOW
|
|
#endif
|
|
|
|
#ifndef MCW_EM
|
|
#define MCW_EM _MCW_EM
|
|
#endif
|
|
|
|
#else // based on ISO C standard
|
|
|
|
#if !defined(BOOST_NO_FENV_H)
|
|
#include <boost/detail/fenv.hpp>
|
|
#endif
|
|
|
|
#endif
|
|
|
|
#if defined(BOOST_SEH_BASED_SIGNAL_HANDLING) && !defined(UNDER_CE)
|
|
//! Indicates tha the floating point exception handling is supported
|
|
//! through SEH
|
|
#define BOOST_TEST_FPE_SUPPORT_WITH_SEH__
|
|
#elif !defined(BOOST_SEH_BASED_SIGNAL_HANDLING) && !defined(UNDER_CE)
|
|
#if !defined(BOOST_NO_FENV_H) && !defined(BOOST_CLANG) && \
|
|
defined(__GLIBC__) && defined(__USE_GNU) && \
|
|
!(defined(__UCLIBC__) || defined(__nios2__) || defined(__microblaze__))
|
|
//! Indicates that floating point exception handling is supported for the
|
|
//! non SEH version of it, for the GLIBC extensions only
|
|
// see discussions on the related topic: https://svn.boost.org/trac/boost/ticket/11756
|
|
#define BOOST_TEST_FPE_SUPPORT_WITH_GLIBC_EXTENSIONS__
|
|
#endif
|
|
#endif
|
|
|
|
|
|
// Additional macro documentations not being generated without this hack
|
|
#ifdef BOOST_TEST_DOXYGEN_DOC__
|
|
|
|
//! Disables the support of the alternative stack
|
|
//! during the compilation of the Boost.test framework. This is especially useful
|
|
//! in case it is not possible to detect the lack of alternative stack support for
|
|
//! your compiler (for instance, ESXi).
|
|
#define BOOST_TEST_DISABLE_ALT_STACK
|
|
|
|
#endif
|
|
|
|
//____________________________________________________________________________//
|
|
|
|
namespace boost {
|
|
|
|
/// @defgroup ExecutionMonitor Function Execution Monitor
|
|
/// @{
|
|
/// @section Intro Introduction
|
|
/// Sometimes we need to call a function and make sure that no user or system originated exceptions are being thrown by it. Uniform exception reporting
|
|
/// is also may be convenient. That's the purpose of the Boost.Test's Execution Monitor.
|
|
///
|
|
/// The Execution Monitor is a lower-level component of the Boost Test Library. It is the base for implementing all other Boost.Test components, but also
|
|
/// can be used standalone to get controlled execution of error-prone functions with a uniform error notification. The Execution Monitor calls a user-supplied
|
|
/// function in a controlled environment, relieving users from messy error detection.
|
|
///
|
|
/// The Execution Monitor usage is demonstrated in the example exec_mon_example.
|
|
///
|
|
/// @section DesignRationale Design Rationale
|
|
///
|
|
/// The Execution Monitor design assumes that it can be used when no (or almost no) memory available. Also the Execution Monitor
|
|
/// is intended to be portable to as many platforms as possible.
|
|
///
|
|
/// @section UserGuide User's guide
|
|
/// The Execution Monitor is designed to solve the problem of executing potentially dangerous function that may result in any number of error conditions,
|
|
/// in monitored environment that should prevent any undesirable exceptions to propagate out of function call and produce consistent result report for all outcomes.
|
|
/// The Execution Monitor is able to produce informative report for all standard C++ exceptions and intrinsic types. All other exceptions are reported as unknown.
|
|
/// If you prefer different message for your exception type or need to perform any action, the Execution Monitor supports custom exception translators.
|
|
/// There are several other parameters of the monitored environment can be configured by setting appropriate properties of the Execution Monitor.
|
|
///
|
|
/// All symbols in the Execution Monitor implementation are located in the namespace boost. To use the Execution Monitor you need to:
|
|
/// -# include @c boost/test/execution_monitor.hpp
|
|
/// -# Make an instance of execution_monitor.
|
|
/// -# Optionally register custom exception translators for exception classes which require special processing.
|
|
///
|
|
/// @subsection FuncExec Monitored function execution
|
|
///
|
|
/// The class execution_monitor can monitor functions with the following signatures:
|
|
/// - int ()
|
|
/// - void ()
|
|
///
|
|
/// This function is expected to be self sufficient part of your application. You can't pass any arguments to this function directly. Instead you
|
|
/// should bind them into executable nullary function using bind function (either standard or boost variant). Neither you can return any other value,
|
|
/// but an integer result code. If necessary you can bind output parameters by reference or use some other more complicated nullary functor, which
|
|
/// maintains state. This includes class methods, static class methods etc.
|
|
///
|
|
/// To start the monitored function, invoke the method execution_monitor::execute and pass the monitored function as an argument. If the call succeeds,
|
|
/// the method returns the result code produced by the monitored function. If any of the following conditions occur:
|
|
/// - Uncaught C++ exception
|
|
/// - Hardware or software signal, trap, or other exception
|
|
/// - Timeout reached
|
|
/// - Debug assert event occurred (under Microsoft Visual C++ or compatible compiler)
|
|
///
|
|
/// then the method throws the execution_exception. The exception contains unique error_code value identifying the error condition and the detailed message
|
|
/// that can be used to report the error.
|
|
///
|
|
/// @subsection Reporting Errors reporting and translation
|
|
///
|
|
/// If you need to report an error inside monitored function execution you have to throw an exception. Do not use the execution_exception - it's not intended
|
|
/// to be used for this purpose. The simplest choice is to use one of the following C++ types as an exception:
|
|
/// - C string
|
|
/// - std:string
|
|
/// - any exception class in std::exception hierarchy
|
|
/// - boost::exception
|
|
///
|
|
/// execution_monitor will catch and report these types of exceptions. If exception is thrown which is unknown to execution_monitor, it can only
|
|
/// report the fact of the exception. So in case if you prefer to use your own exception types or can't govern what exceptions are generated by monitored
|
|
/// function and would like to see proper error message in a report, execution_monitor can be configured with custom "translator" routine, which will have
|
|
/// a chance to either record the fact of the exception itself or translate it into one of standard exceptions and rethrow (or both). The translator routine
|
|
/// is registered per exception type and is invoked when exception of this class (or one inherited from it) is thrown inside monitored routine. You can
|
|
/// register as many independent translators as you like. See execution_monitor::register_exception_translator specification for requirements on translator
|
|
/// function.
|
|
///
|
|
/// Finally, if you need to abort the monitored function execution without reporting any errors, you can throw an exception execution_aborted. As a result
|
|
/// the execution is aborted and zero result code is produced by the method execution_monitor::execute.
|
|
///
|
|
/// @subsection Parameters Supported parameters
|
|
///
|
|
/// The Execution Monitor behavior is configurable through the set of parameters (properties) associated with the instance of the monitor. See execution_monitor
|
|
/// specification for a list of supported parameters and their semantic.
|
|
|
|
// ************************************************************************** //
|
|
// ************** detail::translator_holder_base ************** //
|
|
// ************************************************************************** //
|
|
|
|
namespace detail {
|
|
|
|
class translator_holder_base;
|
|
typedef boost::shared_ptr<translator_holder_base> translator_holder_base_ptr;
|
|
|
|
class BOOST_TEST_DECL translator_holder_base {
|
|
protected:
|
|
typedef boost::unit_test::const_string const_string;
|
|
public:
|
|
// Constructor
|
|
translator_holder_base( translator_holder_base_ptr next, const_string tag )
|
|
: m_next( next )
|
|
, m_tag( std::string() + tag )
|
|
{
|
|
}
|
|
|
|
// Destructor
|
|
virtual ~translator_holder_base() {}
|
|
|
|
// translator holder interface
|
|
// invokes the function F inside the try/catch guarding against specific exception
|
|
virtual int operator()( boost::function<int ()> const& F ) = 0;
|
|
|
|
// erases specific translator holder from the chain
|
|
translator_holder_base_ptr erase( translator_holder_base_ptr this_, const_string tag )
|
|
{
|
|
if( m_next )
|
|
m_next = m_next->erase( m_next, tag );
|
|
|
|
return m_tag == tag ? m_next : this_;
|
|
}
|
|
#ifndef BOOST_NO_RTTI
|
|
virtual translator_holder_base_ptr erase( translator_holder_base_ptr this_, std::type_info const& ) = 0;
|
|
template<typename ExceptionType>
|
|
translator_holder_base_ptr erase( translator_holder_base_ptr this_, boost::type<ExceptionType>* = 0 )
|
|
{
|
|
if( m_next )
|
|
m_next = m_next->erase<ExceptionType>( m_next );
|
|
|
|
return erase( this_, typeid(ExceptionType) );
|
|
}
|
|
#endif
|
|
|
|
protected:
|
|
// Data members
|
|
translator_holder_base_ptr m_next;
|
|
std::string m_tag;
|
|
};
|
|
|
|
} // namespace detail
|
|
|
|
// ************************************************************************** //
|
|
/// @class execution_exception
|
|
/// @brief This class is used to report any kind of an failure during execution of a monitored function inside of execution_monitor
|
|
///
|
|
/// The instance of this class is thrown out of execution_monitor::execute invocation when failure is detected. Regardless of a kind of failure occurred
|
|
/// the instance will provide a uniform way to catch and report it.
|
|
///
|
|
/// One important design rationale for this class is that we should be ready to work after fatal memory corruptions or out of memory conditions. To facilitate
|
|
/// this class never allocates any memory and assumes that strings it refers to are either some constants or live in a some kind of persistent (preallocated) memory.
|
|
// ************************************************************************** //
|
|
|
|
class BOOST_SYMBOL_VISIBLE execution_exception {
|
|
typedef boost::unit_test::const_string const_string;
|
|
public:
|
|
/// These values are sometimes used as program return codes.
|
|
/// The particular values have been chosen to avoid conflicts with
|
|
/// commonly used program return codes: values < 100 are often user
|
|
/// assigned, values > 255 are sometimes used to report system errors.
|
|
/// Gaps in values allow for orderly expansion.
|
|
///
|
|
/// @note(1) Only uncaught C++ exceptions are treated as errors.
|
|
/// If a function catches a C++ exception, it never reaches
|
|
/// the execution_monitor.
|
|
///
|
|
/// The implementation decides what is a system_fatal_error and what is
|
|
/// just a system_exception. Fatal errors are so likely to have corrupted
|
|
/// machine state (like a stack overflow or addressing exception) that it
|
|
/// is unreasonable to continue execution.
|
|
///
|
|
/// @note(2) These errors include Unix signals and Windows structured
|
|
/// exceptions. They are often initiated by hardware traps.
|
|
enum error_code {
|
|
no_error = 0, ///< for completeness only; never returned
|
|
user_error = 200, ///< user reported non-fatal error
|
|
cpp_exception_error = 205, ///< see note (1) above
|
|
system_error = 210, ///< see note (2) above
|
|
timeout_error = 215, ///< only detectable on certain platforms
|
|
user_fatal_error = 220, ///< user reported fatal error
|
|
system_fatal_error = 225 ///< see note (2) above
|
|
};
|
|
|
|
/// Simple model for the location of failure in a source code
|
|
struct BOOST_TEST_DECL location {
|
|
explicit location( char const* file_name = 0, size_t line_num = 0, char const* func = 0 );
|
|
explicit location( const_string file_name, size_t line_num = 0, char const* func = 0 );
|
|
|
|
const_string m_file_name; ///< File name
|
|
size_t m_line_num; ///< Line number
|
|
const_string m_function; ///< Function name
|
|
};
|
|
|
|
/// @name Constructors
|
|
|
|
/// Constructs instance based on message, location and error code
|
|
|
|
/// @param[in] ec error code
|
|
/// @param[in] what_msg error message
|
|
/// @param[in] location error location
|
|
execution_exception( error_code ec, const_string what_msg, location const& location );
|
|
|
|
/// @name Access methods
|
|
|
|
/// Exception error code
|
|
error_code code() const { return m_error_code; }
|
|
/// Exception message
|
|
const_string what() const { return m_what; }
|
|
/// Exception location
|
|
location const& where() const { return m_location; }
|
|
///@}
|
|
|
|
private:
|
|
// Data members
|
|
error_code m_error_code;
|
|
const_string m_what;
|
|
location m_location;
|
|
}; // execution_exception
|
|
|
|
// ************************************************************************** //
|
|
/// @brief Function execution monitor
|
|
|
|
/// This class is used to uniformly detect and report an occurrence of several types of signals and exceptions, reducing various
|
|
/// errors to a uniform execution_exception that is returned to a caller.
|
|
///
|
|
/// The execution_monitor behavior can be customized through a set of public parameters (properties) associated with the execution_monitor instance.
|
|
/// All parameters are implemented as public unit_test::readwrite_property data members of the class execution_monitor.
|
|
// ************************************************************************** //
|
|
|
|
class BOOST_TEST_DECL execution_monitor {
|
|
typedef boost::unit_test::const_string const_string;
|
|
public:
|
|
|
|
/// Default constructor initializes all execution monitor properties
|
|
execution_monitor();
|
|
|
|
/// Should monitor catch system errors.
|
|
///
|
|
/// The @em p_catch_system_errors property is a boolean flag (default value is true) specifying whether or not execution_monitor should trap system
|
|
/// errors/system level exceptions/signals, which would cause program to crash in a regular case (without execution_monitor).
|
|
/// Set this property to false, for example, if you wish to force coredump file creation. The Unit Test Framework provides a
|
|
/// runtime parameter @c \-\-catch_system_errors=yes to alter the behavior in monitored test cases.
|
|
unit_test::readwrite_property<bool> p_catch_system_errors;
|
|
|
|
/// Should monitor try to attach debugger in case of caught system error.
|
|
///
|
|
/// The @em p_auto_start_dbg property is a boolean flag (default value is false) specifying whether or not execution_monitor should try to attach debugger
|
|
/// in case system error is caught.
|
|
unit_test::readwrite_property<bool> p_auto_start_dbg;
|
|
|
|
|
|
/// Specifies the seconds that elapse before a timer_error occurs.
|
|
///
|
|
/// The @em p_timeout property is an integer timeout (in microseconds) for monitored function execution. Use this parameter to monitor code with possible deadlocks
|
|
/// or infinite loops. This feature is only available for some operating systems (not yet Microsoft Windows).
|
|
unit_test::readwrite_property<unsigned long int> p_timeout;
|
|
|
|
/// Should monitor use alternative stack for the signal catching.
|
|
///
|
|
/// The @em p_use_alt_stack property is a boolean flag (default value is false) specifying whether or not execution_monitor should use an alternative stack
|
|
/// for the sigaction based signal catching. When enabled the signals are delivered to the execution_monitor on a stack different from current execution
|
|
/// stack, which is safer in case if it is corrupted by monitored function. For more details on alternative stack handling see appropriate manuals.
|
|
unit_test::readwrite_property<bool> p_use_alt_stack;
|
|
|
|
/// Should monitor try to detect hardware floating point exceptions (!= 0), and which specific exception to catch.
|
|
///
|
|
/// The @em p_detect_fp_exceptions property is a boolean flag (default value is false) specifying whether or not execution_monitor should install hardware
|
|
/// traps for the floating point exception on platforms where it's supported.
|
|
unit_test::readwrite_property<unsigned> p_detect_fp_exceptions;
|
|
|
|
|
|
// @name Monitoring entry points
|
|
|
|
/// @brief Execution monitor entry point for functions returning integer value
|
|
///
|
|
/// This method executes supplied function F inside a try/catch block and also may include other unspecified platform dependent error detection code.
|
|
///
|
|
/// This method throws an execution_exception on an uncaught C++ exception, a hardware or software signal, trap, or other user exception.
|
|
///
|
|
/// @note execute() doesn't consider it an error for F to return a non-zero value.
|
|
/// @param[in] F Function to monitor
|
|
/// @returns value returned by function call F().
|
|
/// @see vexecute
|
|
int execute( boost::function<int ()> const& F );
|
|
|
|
/// @brief Execution monitor entry point for functions returning void
|
|
///
|
|
/// This method is semantically identical to execution_monitor::execute, but doesn't produce any result code.
|
|
/// @param[in] F Function to monitor
|
|
/// @see execute
|
|
void vexecute( boost::function<void ()> const& F );
|
|
// @}
|
|
|
|
// @name Exception translator registration
|
|
|
|
/// @brief Registers custom (user supplied) exception translator
|
|
|
|
/// This method template registers a translator for an exception type specified as a first template argument. For example
|
|
/// @code
|
|
/// void myExceptTr( MyException const& ex ) { /*do something with the exception here*/}
|
|
/// em.register_exception_translator<MyException>( myExceptTr );
|
|
/// @endcode
|
|
/// The translator should be any unary function/functor object which accepts MyException const&. This can be free standing function
|
|
/// or bound class method. The second argument is an optional string tag you can associate with this translator routine. The only reason
|
|
/// to specify the tag is if you plan to erase the translator eventually. This can be useful in scenario when you reuse the same
|
|
/// execution_monitor instance to monitor different routines and need to register a translator specific to the routine being monitored.
|
|
/// While it is possible to erase the translator based on an exception type it was registered for, tag string provides simpler way of doing this.
|
|
/// @tparam ExceptionType type of the exception we register a translator for
|
|
/// @tparam ExceptionTranslator type of the translator we register for this exception
|
|
/// @param[in] tr translator function object with the signature <em> void (ExceptionType const&)</em>
|
|
/// @param[in] tag tag associated with this translator
|
|
template<typename ExceptionType, typename ExceptionTranslator>
|
|
void register_exception_translator( ExceptionTranslator const& tr, const_string tag = const_string(), boost::type<ExceptionType>* = 0 );
|
|
|
|
/// @brief Erases custom exception translator based on a tag
|
|
|
|
/// Use the same tag as the one used during translator registration
|
|
/// @param[in] tag tag associated with translator you wants to erase
|
|
void erase_exception_translator( const_string tag )
|
|
{
|
|
m_custom_translators = m_custom_translators->erase( m_custom_translators, tag );
|
|
}
|
|
#ifndef BOOST_NO_RTTI
|
|
/// @brief Erases custom exception translator based on an exception type
|
|
///
|
|
/// tparam ExceptionType Exception type for which you want to erase the translator
|
|
template<typename ExceptionType>
|
|
void erase_exception_translator( boost::type<ExceptionType>* = 0 )
|
|
{
|
|
m_custom_translators = m_custom_translators->erase<ExceptionType>( m_custom_translators );
|
|
}
|
|
//@}
|
|
#endif
|
|
|
|
private:
|
|
// implementation helpers
|
|
int catch_signals( boost::function<int ()> const& F );
|
|
|
|
// Data members
|
|
detail::translator_holder_base_ptr m_custom_translators;
|
|
boost::scoped_array<char> m_alt_stack;
|
|
}; // execution_monitor
|
|
|
|
// ************************************************************************** //
|
|
// ************** detail::translator_holder ************** //
|
|
// ************************************************************************** //
|
|
|
|
namespace detail {
|
|
|
|
template<typename ExceptionType, typename ExceptionTranslator>
|
|
class translator_holder : public translator_holder_base
|
|
{
|
|
public:
|
|
explicit translator_holder( ExceptionTranslator const& tr, translator_holder_base_ptr& next, const_string tag = const_string() )
|
|
: translator_holder_base( next, tag ), m_translator( tr ) {}
|
|
|
|
// translator holder interface
|
|
int operator()( boost::function<int ()> const& F ) BOOST_OVERRIDE
|
|
{
|
|
BOOST_TEST_I_TRY {
|
|
return m_next ? (*m_next)( F ) : F();
|
|
}
|
|
BOOST_TEST_I_CATCH( ExceptionType, e ) {
|
|
m_translator( e );
|
|
return boost::exit_exception_failure;
|
|
}
|
|
}
|
|
#ifndef BOOST_NO_RTTI
|
|
translator_holder_base_ptr erase( translator_holder_base_ptr this_, std::type_info const& ti ) BOOST_OVERRIDE
|
|
{
|
|
return ti == typeid(ExceptionType) ? m_next : this_;
|
|
}
|
|
#endif
|
|
|
|
private:
|
|
// Data members
|
|
ExceptionTranslator m_translator;
|
|
};
|
|
|
|
} // namespace detail
|
|
|
|
template<typename ExceptionType, typename ExceptionTranslator>
|
|
void
|
|
execution_monitor::register_exception_translator( ExceptionTranslator const& tr, const_string tag, boost::type<ExceptionType>* )
|
|
{
|
|
m_custom_translators.reset(
|
|
new detail::translator_holder<ExceptionType,ExceptionTranslator>( tr, m_custom_translators, tag ) );
|
|
}
|
|
|
|
// ************************************************************************** //
|
|
/// @class execution_aborted
|
|
/// @brief This is a trivial default constructible class. Use it to report graceful abortion of a monitored function execution.
|
|
// ************************************************************************** //
|
|
|
|
struct BOOST_SYMBOL_VISIBLE execution_aborted {};
|
|
|
|
// ************************************************************************** //
|
|
// ************** system_error ************** //
|
|
// ************************************************************************** //
|
|
|
|
class system_error {
|
|
public:
|
|
// Constructor
|
|
explicit system_error( char const* exp );
|
|
|
|
long const p_errno;
|
|
char const* const p_failed_exp;
|
|
};
|
|
|
|
//!@internal
|
|
#define BOOST_TEST_SYS_ASSERT( cond ) BOOST_TEST_I_ASSRT( cond, ::boost::system_error( BOOST_STRINGIZE( exp ) ) )
|
|
|
|
// ************************************************************************** //
|
|
// **************Floating point exception management interface ************** //
|
|
// ************************************************************************** //
|
|
|
|
namespace fpe {
|
|
|
|
enum masks {
|
|
BOOST_FPE_OFF = 0,
|
|
|
|
#if defined(BOOST_TEST_FPE_SUPPORT_WITH_SEH__) /* *** */
|
|
BOOST_FPE_DIVBYZERO = EM_ZERODIVIDE,
|
|
BOOST_FPE_INEXACT = EM_INEXACT,
|
|
BOOST_FPE_INVALID = EM_INVALID,
|
|
BOOST_FPE_OVERFLOW = EM_OVERFLOW,
|
|
BOOST_FPE_UNDERFLOW = EM_UNDERFLOW|EM_DENORMAL,
|
|
|
|
BOOST_FPE_ALL = MCW_EM,
|
|
|
|
#elif !defined(BOOST_TEST_FPE_SUPPORT_WITH_GLIBC_EXTENSIONS__)/* *** */
|
|
BOOST_FPE_DIVBYZERO = BOOST_FPE_OFF,
|
|
BOOST_FPE_INEXACT = BOOST_FPE_OFF,
|
|
BOOST_FPE_INVALID = BOOST_FPE_OFF,
|
|
BOOST_FPE_OVERFLOW = BOOST_FPE_OFF,
|
|
BOOST_FPE_UNDERFLOW = BOOST_FPE_OFF,
|
|
BOOST_FPE_ALL = BOOST_FPE_OFF,
|
|
#else /* *** */
|
|
|
|
#if defined(FE_DIVBYZERO)
|
|
BOOST_FPE_DIVBYZERO = FE_DIVBYZERO,
|
|
#else
|
|
BOOST_FPE_DIVBYZERO = BOOST_FPE_OFF,
|
|
#endif
|
|
|
|
#if defined(FE_INEXACT)
|
|
BOOST_FPE_INEXACT = FE_INEXACT,
|
|
#else
|
|
BOOST_FPE_INEXACT = BOOST_FPE_OFF,
|
|
#endif
|
|
|
|
#if defined(FE_INVALID)
|
|
BOOST_FPE_INVALID = FE_INVALID,
|
|
#else
|
|
BOOST_FPE_INVALID = BOOST_FPE_OFF,
|
|
#endif
|
|
|
|
#if defined(FE_OVERFLOW)
|
|
BOOST_FPE_OVERFLOW = FE_OVERFLOW,
|
|
#else
|
|
BOOST_FPE_OVERFLOW = BOOST_FPE_OFF,
|
|
#endif
|
|
|
|
#if defined(FE_UNDERFLOW)
|
|
BOOST_FPE_UNDERFLOW = FE_UNDERFLOW,
|
|
#else
|
|
BOOST_FPE_UNDERFLOW = BOOST_FPE_OFF,
|
|
#endif
|
|
|
|
#if defined(FE_ALL_EXCEPT)
|
|
BOOST_FPE_ALL = FE_ALL_EXCEPT,
|
|
#else
|
|
BOOST_FPE_ALL = BOOST_FPE_OFF,
|
|
#endif
|
|
|
|
#endif /* *** */
|
|
BOOST_FPE_INV = BOOST_FPE_ALL+1
|
|
};
|
|
|
|
//____________________________________________________________________________//
|
|
|
|
// return the previous set of enabled exceptions when successful, and BOOST_FPE_INV otherwise
|
|
unsigned BOOST_TEST_DECL enable( unsigned mask );
|
|
unsigned BOOST_TEST_DECL disable( unsigned mask );
|
|
|
|
//____________________________________________________________________________//
|
|
|
|
} // namespace fpe
|
|
|
|
///@}
|
|
|
|
} // namespace boost
|
|
|
|
|
|
#include <boost/test/detail/enable_warnings.hpp>
|
|
|
|
#endif
|