boost/interprocess/exceptions.hpp
//////////////////////////////////////////////////////////////////////////////
//
// (C) Copyright Ion Gaztanaga 2005-2012. 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/interprocess for documentation.
//
//////////////////////////////////////////////////////////////////////////////
#ifndef BOOST_INTERPROCESS_EXCEPTIONS_HPP
#define BOOST_INTERPROCESS_EXCEPTIONS_HPP
#if (defined _MSC_VER) && (_MSC_VER >= 1200)
# pragma once
#endif
#include <boost/interprocess/detail/config_begin.hpp>
#include <boost/interprocess/detail/workaround.hpp>
#include <boost/interprocess/errors.hpp>
#include <stdexcept>
#include <new>
//!\file
//!Describes exceptions thrown by interprocess classes
namespace boost {
namespace interprocess {
//!This class is the base class of all exceptions
//!thrown by boost::interprocess
class interprocess_exception : public std::exception
{
public:
interprocess_exception(const char *err/*error_code_t ec = other_error*/)
: m_err(other_error)
{
// try { m_str = "boost::interprocess_exception::library_error"; }
try { m_str = err; }
catch (...) {}
}
/*
interprocess_exception(native_error_t sys_err_code)
: m_err(sys_err_code)
{
try { fill_system_message(m_err.get_native_error(), m_str); }
catch (...) {}
}*/
interprocess_exception(const error_info &err_info, const char *str = 0)
: m_err(err_info)
{
try{
if(m_err.get_native_error() != 0){
fill_system_message(m_err.get_native_error(), m_str);
}
else if(str){
m_str = str;
}
else{
m_str = "boost::interprocess_exception::library_error";
}
}
catch(...){}
}
virtual ~interprocess_exception() throw(){}
virtual const char * what() const throw()
{ return m_str.c_str(); }
native_error_t get_native_error()const { return m_err.get_native_error(); }
// Note: a value of other_error implies a library (rather than system) error
error_code_t get_error_code() const { return m_err.get_error_code(); }
/// @cond
private:
error_info m_err;
std::string m_str;
/// @endcond
};
//!This is the exception thrown by shared interprocess_mutex family when a deadlock situation
//!is detected or when using a interprocess_condition the interprocess_mutex is not locked
class lock_exception : public interprocess_exception
{
public:
lock_exception()
: interprocess_exception(lock_error)
{}
virtual const char* what() const throw()
{ return "boost::interprocess::lock_exception"; }
};
//!This is the exception thrown by named interprocess_semaphore when a deadlock situation
//!is detected or when an error is detected in the post/wait operation
/*
class sem_exception : public interprocess_exception
{
public:
sem_exception()
: interprocess_exception(lock_error)
{}
virtual const char* what() const throw()
{ return "boost::interprocess::sem_exception"; }
};
*/
//!This is the exception thrown by synchronization objects when there is
//!an error in a wait() function
/*
class wait_exception : public interprocess_exception
{
public:
virtual const char* what() const throw()
{ return "boost::interprocess::wait_exception"; }
};
*/
//!This exception is thrown when a named object is created
//!in "open_only" mode and the resource was not already created
/*
class not_previously_created : public interprocess_exception
{
public:
virtual const char* what() const throw()
{ return "boost::interprocess::not_previously_created"; }
};
*/
//!This exception is thrown when a memory request can't be
//!fulfilled.
class bad_alloc : public interprocess_exception
{
public:
bad_alloc() : interprocess_exception("::boost::interprocess::bad_alloc"){}
virtual const char* what() const throw()
{ return "boost::interprocess::bad_alloc"; }
};
} // namespace interprocess {
} // namespace boost
#include <boost/interprocess/detail/config_end.hpp>
#endif // BOOST_INTERPROCESS_EXCEPTIONS_HPP