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111 lines
3.0 KiB
C++
111 lines
3.0 KiB
C++
//////////////////////////////////////////////////////////////////////////////
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//
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// (C) Copyright Ion Gaztanaga 2005-2015. 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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//
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// See http://www.boost.org/libs/interprocess for documentation.
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//
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//////////////////////////////////////////////////////////////////////////////
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#ifndef BOOST_INTERPROCESS_EXCEPTIONS_HPP
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#define BOOST_INTERPROCESS_EXCEPTIONS_HPP
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#ifndef BOOST_CONFIG_HPP
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# include <boost/config.hpp>
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#endif
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#
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#if defined(BOOST_HAS_PRAGMA_ONCE)
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# pragma once
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#endif
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#include <boost/interprocess/detail/config_begin.hpp>
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#include <boost/interprocess/detail/workaround.hpp>
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#include <boost/interprocess/errors.hpp>
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#include <stdexcept>
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//!\file
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//!Describes exceptions thrown by interprocess classes
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namespace boost {
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namespace interprocess {
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//!This class is the base class of all exceptions
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//!thrown by boost::interprocess
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class BOOST_SYMBOL_VISIBLE interprocess_exception : public std::exception
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{
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public:
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interprocess_exception(const char *err)
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: m_err(other_error)
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{
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try { m_str = err; }
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catch (...) {}
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}
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interprocess_exception(const error_info &err_info, const char *str = 0)
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: m_err(err_info)
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{
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try{
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if(m_err.get_native_error() != 0){
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fill_system_message(m_err.get_native_error(), m_str);
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}
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else if(str){
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m_str = str;
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}
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else{
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m_str = "boost::interprocess_exception::library_error";
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}
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}
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catch(...){}
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}
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virtual ~interprocess_exception() throw(){}
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virtual const char * what() const throw()
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{ return m_str.c_str(); }
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native_error_t get_native_error()const { return m_err.get_native_error(); }
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// Note: a value of other_error implies a library (rather than system) error
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error_code_t get_error_code() const { return m_err.get_error_code(); }
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#if !defined(BOOST_INTERPROCESS_DOXYGEN_INVOKED)
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private:
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error_info m_err;
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std::string m_str;
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#endif //#ifndef BOOST_INTERPROCESS_DOXYGEN_INVOKED
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};
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//!This is the exception thrown by shared interprocess_mutex family when a deadlock situation
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//!is detected or when using a interprocess_condition the interprocess_mutex is not locked
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class BOOST_SYMBOL_VISIBLE lock_exception : public interprocess_exception
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{
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public:
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lock_exception()
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: interprocess_exception(lock_error)
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{}
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virtual const char* what() const throw()
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{ return "boost::interprocess::lock_exception"; }
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};
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//!This exception is thrown when a memory request can't be
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//!fulfilled.
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class BOOST_SYMBOL_VISIBLE bad_alloc : public interprocess_exception
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{
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public:
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bad_alloc() : interprocess_exception("::boost::interprocess::bad_alloc"){}
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virtual const char* what() const throw()
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{ return "boost::interprocess::bad_alloc"; }
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};
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} // namespace interprocess {
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} // namespace boost
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#include <boost/interprocess/detail/config_end.hpp>
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#endif // BOOST_INTERPROCESS_EXCEPTIONS_HPP
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