boost::shared_ptr -> std::shared_ptr
This commit is contained in:
Eelco Dolstra
parent
9becaa041f
commit
1c2550a2ae
13 changed files with 38 additions and 1467 deletions
2
Makefile
2
Makefile
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@ -20,6 +20,8 @@ makefiles = \
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doc/manual/local.mk \
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doc/manual/local.mk \
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tests/local.mk
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tests/local.mk
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GLOBAL_CXXFLAGS += -std=c++0x
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include Makefile.config
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include Makefile.config
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include mk/lib.mk
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include mk/lib.mk
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@ -1,71 +0,0 @@
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#ifndef BOOST_CHECKED_DELETE_HPP_INCLUDED
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#define BOOST_CHECKED_DELETE_HPP_INCLUDED
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// MS compatible compilers support #pragma once
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#if defined(_MSC_VER) && (_MSC_VER >= 1020)
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# pragma once
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#endif
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//
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// boost/checked_delete.hpp
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//
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// Copyright (c) 1999, 2000, 2001, 2002 boost.org
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// Copyright (c) 2002, 2003 Peter Dimov
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// Copyright (c) 2003 Daniel Frey
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// Copyright (c) 2003 Howard Hinnant
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//
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// Permission to copy, use, modify, sell and distribute this software
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// is granted provided this copyright notice appears in all copies.
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// This software is provided "as is" without express or implied
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// warranty, and with no claim as to its suitability for any purpose.
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//
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// See http://www.boost.org/libs/utility/checked_delete.html for documentation.
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//
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namespace boost
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{
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// verify that types are complete for increased safety
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template<class T> inline void checked_delete(T * x)
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{
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// intentionally complex - simplification causes regressions
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typedef char type_must_be_complete[ sizeof(T)? 1: -1 ];
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(void) sizeof(type_must_be_complete);
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delete x;
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}
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template<class T> inline void checked_array_delete(T * x)
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{
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typedef char type_must_be_complete[ sizeof(T)? 1: -1 ];
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(void) sizeof(type_must_be_complete);
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delete [] x;
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}
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template<class T> struct checked_deleter
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{
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typedef void result_type;
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typedef T * argument_type;
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void operator()(T * x) const
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{
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// boost:: disables ADL
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boost::checked_delete(x);
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}
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};
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template<class T> struct checked_array_deleter
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{
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typedef void result_type;
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typedef T * argument_type;
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void operator()(T * x) const
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{
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boost::checked_array_delete(x);
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}
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};
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} // namespace boost
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#endif // #ifndef BOOST_CHECKED_DELETE_HPP_INCLUDED
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@ -1,555 +0,0 @@
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#ifndef BOOST_DETAIL_SHARED_COUNT_HPP_INCLUDED
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#define BOOST_DETAIL_SHARED_COUNT_HPP_INCLUDED
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// MS compatible compilers support #pragma once
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#if defined(_MSC_VER) && (_MSC_VER >= 1020)
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# pragma once
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#endif
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//
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// detail/shared_count.hpp
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//
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// Copyright (c) 2001, 2002, 2003 Peter Dimov and Multi Media Ltd.
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//
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// Permission to copy, use, modify, sell and distribute this software
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// is granted provided this copyright notice appears in all copies.
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// This software is provided "as is" without express or implied
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// warranty, and with no claim as to its suitability for any purpose.
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//
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//#include <boost/config.hpp>
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#if defined(BOOST_SP_USE_STD_ALLOCATOR) && defined(BOOST_SP_USE_QUICK_ALLOCATOR)
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# error BOOST_SP_USE_STD_ALLOCATOR and BOOST_SP_USE_QUICK_ALLOCATOR are incompatible.
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#endif
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#include <boost/checked_delete.hpp>
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#include <boost/throw_exception.hpp>
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//#include <boost/detail/lightweight_mutex.hpp>
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#if defined(BOOST_SP_USE_QUICK_ALLOCATOR)
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#include <boost/detail/quick_allocator.hpp>
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#endif
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#include <memory> // std::auto_ptr, std::allocator
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#include <functional> // std::less
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#include <exception> // std::exception
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#include <new> // std::bad_alloc
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#include <typeinfo> // std::type_info in get_deleter
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#include <cstddef> // std::size_t
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#ifdef __BORLANDC__
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# pragma warn -8026 // Functions with excep. spec. are not expanded inline
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# pragma warn -8027 // Functions containing try are not expanded inline
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#endif
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namespace boost
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{
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// Debug hooks
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#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
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void sp_scalar_constructor_hook(void * px, std::size_t size, void * pn);
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void sp_array_constructor_hook(void * px);
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void sp_scalar_destructor_hook(void * px, std::size_t size, void * pn);
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void sp_array_destructor_hook(void * px);
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#endif
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// The standard library that comes with Borland C++ 5.5.1
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// defines std::exception and its members as having C calling
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// convention (-pc). When the definition of bad_weak_ptr
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// is compiled with -ps, the compiler issues an error.
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// Hence, the temporary #pragma option -pc below. The version
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// check is deliberately conservative.
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#if defined(__BORLANDC__) && __BORLANDC__ == 0x551
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# pragma option push -pc
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#endif
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class bad_weak_ptr: public std::exception
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{
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public:
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virtual char const * what() const throw()
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{
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return "boost::bad_weak_ptr";
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}
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};
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#if defined(__BORLANDC__) && __BORLANDC__ == 0x551
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# pragma option pop
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#endif
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namespace detail
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{
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class sp_counted_base
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{
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private:
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// typedef detail::lightweight_mutex mutex_type;
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public:
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sp_counted_base(): use_count_(1), weak_count_(1)
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{
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}
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virtual ~sp_counted_base() // nothrow
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{
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}
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// dispose() is called when use_count_ drops to zero, to release
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// the resources managed by *this.
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virtual void dispose() = 0; // nothrow
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// destruct() is called when weak_count_ drops to zero.
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virtual void destruct() // nothrow
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{
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delete this;
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}
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virtual void * get_deleter(std::type_info const & ti) = 0;
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void add_ref_copy()
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{
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#if defined(BOOST_HAS_THREADS)
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mutex_type::scoped_lock lock(mtx_);
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#endif
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++use_count_;
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}
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void add_ref_lock()
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{
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#if defined(BOOST_HAS_THREADS)
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mutex_type::scoped_lock lock(mtx_);
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#endif
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if(use_count_ == 0) boost::throw_exception(boost::bad_weak_ptr());
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++use_count_;
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}
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void release() // nothrow
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{
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{
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#if defined(BOOST_HAS_THREADS)
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mutex_type::scoped_lock lock(mtx_);
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#endif
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long new_use_count = --use_count_;
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if(new_use_count != 0) return;
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}
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dispose();
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weak_release();
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}
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void weak_add_ref() // nothrow
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{
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#if defined(BOOST_HAS_THREADS)
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mutex_type::scoped_lock lock(mtx_);
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#endif
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++weak_count_;
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}
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void weak_release() // nothrow
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{
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long new_weak_count;
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{
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#if defined(BOOST_HAS_THREADS)
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mutex_type::scoped_lock lock(mtx_);
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#endif
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new_weak_count = --weak_count_;
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}
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if(new_weak_count == 0)
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{
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destruct();
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}
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}
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long use_count() const // nothrow
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{
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#if defined(BOOST_HAS_THREADS)
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mutex_type::scoped_lock lock(mtx_);
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#endif
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return use_count_;
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}
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private:
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sp_counted_base(sp_counted_base const &);
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sp_counted_base & operator= (sp_counted_base const &);
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long use_count_; // #shared
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long weak_count_; // #weak + (#shared != 0)
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#if defined(BOOST_HAS_THREADS) || defined(BOOST_LWM_WIN32)
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mutable mutex_type mtx_;
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#endif
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};
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#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
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template<class T> void cbi_call_constructor_hook(sp_counted_base * pn, T * px, checked_deleter<T> const &, int)
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{
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boost::sp_scalar_constructor_hook(px, sizeof(T), pn);
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}
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template<class T> void cbi_call_constructor_hook(sp_counted_base *, T * px, checked_array_deleter<T> const &, int)
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{
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boost::sp_array_constructor_hook(px);
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}
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template<class P, class D> void cbi_call_constructor_hook(sp_counted_base *, P const &, D const &, long)
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{
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}
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template<class T> void cbi_call_destructor_hook(sp_counted_base * pn, T * px, checked_deleter<T> const &, int)
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{
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boost::sp_scalar_destructor_hook(px, sizeof(T), pn);
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}
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template<class T> void cbi_call_destructor_hook(sp_counted_base *, T * px, checked_array_deleter<T> const &, int)
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{
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boost::sp_array_destructor_hook(px);
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}
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template<class P, class D> void cbi_call_destructor_hook(sp_counted_base *, P const &, D const &, long)
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{
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}
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#endif
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//
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// Borland's Codeguard trips up over the -Vx- option here:
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//
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#ifdef __CODEGUARD__
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# pragma option push -Vx-
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#endif
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template<class P, class D> class sp_counted_base_impl: public sp_counted_base
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{
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private:
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P ptr; // copy constructor must not throw
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D del; // copy constructor must not throw
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sp_counted_base_impl(sp_counted_base_impl const &);
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sp_counted_base_impl & operator= (sp_counted_base_impl const &);
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typedef sp_counted_base_impl<P, D> this_type;
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public:
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// pre: initial_use_count <= initial_weak_count, d(p) must not throw
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sp_counted_base_impl(P p, D d): ptr(p), del(d)
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{
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#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
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detail::cbi_call_constructor_hook(this, p, d, 0);
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#endif
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}
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virtual void dispose() // nothrow
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{
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#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
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detail::cbi_call_destructor_hook(this, ptr, del, 0);
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#endif
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del(ptr);
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}
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virtual void * get_deleter(std::type_info const & ti)
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{
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return ti == typeid(D)? &del: 0;
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}
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#if defined(BOOST_SP_USE_STD_ALLOCATOR)
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void * operator new(std::size_t)
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{
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return std::allocator<this_type>().allocate(1, static_cast<this_type *>(0));
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}
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void operator delete(void * p)
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{
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std::allocator<this_type>().deallocate(static_cast<this_type *>(p), 1);
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}
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#endif
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#if defined(BOOST_SP_USE_QUICK_ALLOCATOR)
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void * operator new(std::size_t)
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{
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return quick_allocator<this_type>::alloc();
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}
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void operator delete(void * p)
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{
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quick_allocator<this_type>::dealloc(p);
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}
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#endif
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};
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#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
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int const shared_count_id = 0x2C35F101;
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int const weak_count_id = 0x298C38A4;
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#endif
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class weak_count;
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class shared_count
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{
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private:
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sp_counted_base * pi_;
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#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
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int id_;
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#endif
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friend class weak_count;
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public:
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shared_count(): pi_(0) // nothrow
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#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
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, id_(shared_count_id)
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#endif
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{
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}
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template<class P, class D> shared_count(P p, D d): pi_(0)
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#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
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, id_(shared_count_id)
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#endif
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{
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#ifndef BOOST_NO_EXCEPTIONS
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try
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||||||
{
|
|
||||||
pi_ = new sp_counted_base_impl<P, D>(p, d);
|
|
||||||
}
|
|
||||||
catch(...)
|
|
||||||
{
|
|
||||||
d(p); // delete p
|
|
||||||
throw;
|
|
||||||
}
|
|
||||||
|
|
||||||
#else
|
|
||||||
|
|
||||||
pi_ = new sp_counted_base_impl<P, D>(p, d);
|
|
||||||
|
|
||||||
if(pi_ == 0)
|
|
||||||
{
|
|
||||||
d(p); // delete p
|
|
||||||
boost::throw_exception(std::bad_alloc());
|
|
||||||
}
|
|
||||||
|
|
||||||
#endif
|
|
||||||
}
|
|
||||||
|
|
||||||
#ifndef BOOST_NO_AUTO_PTR
|
|
||||||
|
|
||||||
// auto_ptr<Y> is special cased to provide the strong guarantee
|
|
||||||
|
|
||||||
template<class Y>
|
|
||||||
explicit shared_count(std::auto_ptr<Y> & r): pi_(new sp_counted_base_impl< Y *, checked_deleter<Y> >(r.get(), checked_deleter<Y>()))
|
|
||||||
#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
|
|
||||||
, id_(shared_count_id)
|
|
||||||
#endif
|
|
||||||
{
|
|
||||||
r.release();
|
|
||||||
}
|
|
||||||
|
|
||||||
#endif
|
|
||||||
|
|
||||||
~shared_count() // nothrow
|
|
||||||
{
|
|
||||||
if(pi_ != 0) pi_->release();
|
|
||||||
#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
|
|
||||||
id_ = 0;
|
|
||||||
#endif
|
|
||||||
}
|
|
||||||
|
|
||||||
shared_count(shared_count const & r): pi_(r.pi_) // nothrow
|
|
||||||
#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
|
|
||||||
, id_(shared_count_id)
|
|
||||||
#endif
|
|
||||||
{
|
|
||||||
if(pi_ != 0) pi_->add_ref_copy();
|
|
||||||
}
|
|
||||||
|
|
||||||
explicit shared_count(weak_count const & r); // throws bad_weak_ptr when r.use_count() == 0
|
|
||||||
|
|
||||||
shared_count & operator= (shared_count const & r) // nothrow
|
|
||||||
{
|
|
||||||
sp_counted_base * tmp = r.pi_;
|
|
||||||
if(tmp != 0) tmp->add_ref_copy();
|
|
||||||
if(pi_ != 0) pi_->release();
|
|
||||||
pi_ = tmp;
|
|
||||||
|
|
||||||
return *this;
|
|
||||||
}
|
|
||||||
|
|
||||||
void swap(shared_count & r) // nothrow
|
|
||||||
{
|
|
||||||
sp_counted_base * tmp = r.pi_;
|
|
||||||
r.pi_ = pi_;
|
|
||||||
pi_ = tmp;
|
|
||||||
}
|
|
||||||
|
|
||||||
long use_count() const // nothrow
|
|
||||||
{
|
|
||||||
return pi_ != 0? pi_->use_count(): 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
bool unique() const // nothrow
|
|
||||||
{
|
|
||||||
return use_count() == 1;
|
|
||||||
}
|
|
||||||
|
|
||||||
friend inline bool operator==(shared_count const & a, shared_count const & b)
|
|
||||||
{
|
|
||||||
return a.pi_ == b.pi_;
|
|
||||||
}
|
|
||||||
|
|
||||||
friend inline bool operator<(shared_count const & a, shared_count const & b)
|
|
||||||
{
|
|
||||||
return std::less<sp_counted_base *>()(a.pi_, b.pi_);
|
|
||||||
}
|
|
||||||
|
|
||||||
void * get_deleter(std::type_info const & ti) const
|
|
||||||
{
|
|
||||||
return pi_? pi_->get_deleter(ti): 0;
|
|
||||||
}
|
|
||||||
};
|
|
||||||
|
|
||||||
#ifdef __CODEGUARD__
|
|
||||||
# pragma option pop
|
|
||||||
#endif
|
|
||||||
|
|
||||||
|
|
||||||
class weak_count
|
|
||||||
{
|
|
||||||
private:
|
|
||||||
|
|
||||||
sp_counted_base * pi_;
|
|
||||||
|
|
||||||
#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
|
|
||||||
int id_;
|
|
||||||
#endif
|
|
||||||
|
|
||||||
friend class shared_count;
|
|
||||||
|
|
||||||
public:
|
|
||||||
|
|
||||||
weak_count(): pi_(0) // nothrow
|
|
||||||
#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
|
|
||||||
, id_(weak_count_id)
|
|
||||||
#endif
|
|
||||||
{
|
|
||||||
}
|
|
||||||
|
|
||||||
weak_count(shared_count const & r): pi_(r.pi_) // nothrow
|
|
||||||
#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
|
|
||||||
, id_(shared_count_id)
|
|
||||||
#endif
|
|
||||||
{
|
|
||||||
if(pi_ != 0) pi_->weak_add_ref();
|
|
||||||
}
|
|
||||||
|
|
||||||
weak_count(weak_count const & r): pi_(r.pi_) // nothrow
|
|
||||||
#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
|
|
||||||
, id_(shared_count_id)
|
|
||||||
#endif
|
|
||||||
{
|
|
||||||
if(pi_ != 0) pi_->weak_add_ref();
|
|
||||||
}
|
|
||||||
|
|
||||||
~weak_count() // nothrow
|
|
||||||
{
|
|
||||||
if(pi_ != 0) pi_->weak_release();
|
|
||||||
#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
|
|
||||||
id_ = 0;
|
|
||||||
#endif
|
|
||||||
}
|
|
||||||
|
|
||||||
weak_count & operator= (shared_count const & r) // nothrow
|
|
||||||
{
|
|
||||||
sp_counted_base * tmp = r.pi_;
|
|
||||||
if(tmp != 0) tmp->weak_add_ref();
|
|
||||||
if(pi_ != 0) pi_->weak_release();
|
|
||||||
pi_ = tmp;
|
|
||||||
|
|
||||||
return *this;
|
|
||||||
}
|
|
||||||
|
|
||||||
weak_count & operator= (weak_count const & r) // nothrow
|
|
||||||
{
|
|
||||||
sp_counted_base * tmp = r.pi_;
|
|
||||||
if(tmp != 0) tmp->weak_add_ref();
|
|
||||||
if(pi_ != 0) pi_->weak_release();
|
|
||||||
pi_ = tmp;
|
|
||||||
|
|
||||||
return *this;
|
|
||||||
}
|
|
||||||
|
|
||||||
void swap(weak_count & r) // nothrow
|
|
||||||
{
|
|
||||||
sp_counted_base * tmp = r.pi_;
|
|
||||||
r.pi_ = pi_;
|
|
||||||
pi_ = tmp;
|
|
||||||
}
|
|
||||||
|
|
||||||
long use_count() const // nothrow
|
|
||||||
{
|
|
||||||
return pi_ != 0? pi_->use_count(): 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
friend inline bool operator==(weak_count const & a, weak_count const & b)
|
|
||||||
{
|
|
||||||
return a.pi_ == b.pi_;
|
|
||||||
}
|
|
||||||
|
|
||||||
friend inline bool operator<(weak_count const & a, weak_count const & b)
|
|
||||||
{
|
|
||||||
return std::less<sp_counted_base *>()(a.pi_, b.pi_);
|
|
||||||
}
|
|
||||||
};
|
|
||||||
|
|
||||||
inline shared_count::shared_count(weak_count const & r): pi_(r.pi_)
|
|
||||||
#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
|
|
||||||
, id_(shared_count_id)
|
|
||||||
#endif
|
|
||||||
{
|
|
||||||
if(pi_ != 0)
|
|
||||||
{
|
|
||||||
pi_->add_ref_lock();
|
|
||||||
}
|
|
||||||
else
|
|
||||||
{
|
|
||||||
boost::throw_exception(boost::bad_weak_ptr());
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
} // namespace detail
|
|
||||||
|
|
||||||
} // namespace boost
|
|
||||||
|
|
||||||
#ifdef __BORLANDC__
|
|
||||||
# pragma warn .8027 // Functions containing try are not expanded inline
|
|
||||||
# pragma warn .8026 // Functions with excep. spec. are not expanded inline
|
|
||||||
#endif
|
|
||||||
|
|
||||||
#endif // #ifndef BOOST_DETAIL_SHARED_COUNT_HPP_INCLUDED
|
|
||||||
|
|
@ -1,74 +0,0 @@
|
||||||
// Copyright David Abrahams 2002. Permission to copy, use,
|
|
||||||
// modify, sell and distribute this software is granted provided this
|
|
||||||
// copyright notice appears in all copies. This software is provided
|
|
||||||
// "as is" without express or implied warranty, and with no claim as
|
|
||||||
// to its suitability for any purpose.
|
|
||||||
#ifndef WORKAROUND_DWA2002126_HPP
|
|
||||||
# define WORKAROUND_DWA2002126_HPP
|
|
||||||
|
|
||||||
// Compiler/library version workaround macro
|
|
||||||
//
|
|
||||||
// Usage:
|
|
||||||
//
|
|
||||||
// #if BOOST_WORKAROUND(BOOST_MSVC, <= 1200)
|
|
||||||
// ... // workaround code here
|
|
||||||
// #endif
|
|
||||||
//
|
|
||||||
// When BOOST_STRICT_CONFIG is defined, expands to 0. Otherwise, the
|
|
||||||
// first argument must be undefined or expand to a numeric
|
|
||||||
// value. The above expands to:
|
|
||||||
//
|
|
||||||
// (BOOST_MSVC) != 0 && (BOOST_MSVC) <= 1200
|
|
||||||
//
|
|
||||||
// When used for workarounds that apply to the latest known version
|
|
||||||
// and all earlier versions of a compiler, the following convention
|
|
||||||
// should be observed:
|
|
||||||
//
|
|
||||||
// #if BOOST_WORKAROUND(BOOST_MSVC, BOOST_TESTED_AT(1301))
|
|
||||||
//
|
|
||||||
// The version number in this case corresponds to the last version in
|
|
||||||
// which the workaround was known to have been required. When
|
|
||||||
// BOOST_DETECT_OUTDATED_WORKAROUNDS is not the defined, the macro
|
|
||||||
// BOOST_TESTED_AT(x) expands to "!= 0", which effectively activates
|
|
||||||
// the workaround for any version of the compiler. When
|
|
||||||
// BOOST_DETECT_OUTDATED_WORKAROUNDS is defined, a compiler warning or
|
|
||||||
// error will be issued if the compiler version exceeds the argument
|
|
||||||
// to BOOST_TESTED_AT(). This can be used to locate workarounds which
|
|
||||||
// may be obsoleted by newer versions.
|
|
||||||
|
|
||||||
# ifndef BOOST_STRICT_CONFIG
|
|
||||||
|
|
||||||
# define BOOST_WORKAROUND(symbol, test) \
|
|
||||||
((symbol != 0) && (1 % (( (symbol test) ) + 1)))
|
|
||||||
// ^ ^ ^ ^
|
|
||||||
// The extra level of parenthesis nesting above, along with the
|
|
||||||
// BOOST_OPEN_PAREN indirection below, is required to satisfy the
|
|
||||||
// broken preprocessor in MWCW 8.3 and earlier.
|
|
||||||
//
|
|
||||||
// The basic mechanism works as follows:
|
|
||||||
// (symbol test) + 1 => if (symbol test) then 2 else 1
|
|
||||||
// 1 % ((symbol test) + 1) => if (symbol test) then 1 else 0
|
|
||||||
//
|
|
||||||
// The complication with % is for cooperation with BOOST_TESTED_AT().
|
|
||||||
// When "test" is BOOST_TESTED_AT(x) and
|
|
||||||
// BOOST_DETECT_OUTDATED_WORKAROUNDS is #defined,
|
|
||||||
//
|
|
||||||
// symbol test => if (symbol <= x) then 1 else -1
|
|
||||||
// (symbol test) + 1 => if (symbol <= x) then 2 else 0
|
|
||||||
// 1 % ((symbol test) + 1) => if (symbol <= x) then 1 else divide-by-zero
|
|
||||||
//
|
|
||||||
|
|
||||||
# ifdef BOOST_DETECT_OUTDATED_WORKAROUNDS
|
|
||||||
# define BOOST_OPEN_PAREN (
|
|
||||||
# define BOOST_TESTED_AT(value) > value) ?(-1): BOOST_OPEN_PAREN 1
|
|
||||||
# else
|
|
||||||
# define BOOST_TESTED_AT(value) != ((value)-(value))
|
|
||||||
# endif
|
|
||||||
|
|
||||||
# else
|
|
||||||
|
|
||||||
# define BOOST_WORKAROUND(symbol, test) 0
|
|
||||||
|
|
||||||
# endif
|
|
||||||
|
|
||||||
#endif // WORKAROUND_DWA2002126_HPP
|
|
||||||
|
|
@ -1,68 +0,0 @@
|
||||||
#ifndef BOOST_ENABLE_SHARED_FROM_THIS_HPP_INCLUDED
|
|
||||||
#define BOOST_ENABLE_SHARED_FROM_THIS_HPP_INCLUDED
|
|
||||||
|
|
||||||
//
|
|
||||||
// enable_shared_from_this.hpp
|
|
||||||
//
|
|
||||||
// Copyright (c) 2002 Peter Dimov
|
|
||||||
//
|
|
||||||
// Permission to copy, use, modify, sell and distribute this software
|
|
||||||
// is granted provided this copyright notice appears in all copies.
|
|
||||||
// This software is provided "as is" without express or implied
|
|
||||||
// warranty, and with no claim as to its suitability for any purpose.
|
|
||||||
//
|
|
||||||
// http://www.boost.org/libs/smart_ptr/enable_shared_from_this.html
|
|
||||||
//
|
|
||||||
|
|
||||||
#include <boost/weak_ptr.hpp>
|
|
||||||
#include <boost/shared_ptr.hpp>
|
|
||||||
#include <boost/assert.hpp>
|
|
||||||
//#include <boost/config.hpp>
|
|
||||||
|
|
||||||
namespace boost
|
|
||||||
{
|
|
||||||
|
|
||||||
template<class T> class enable_shared_from_this
|
|
||||||
{
|
|
||||||
protected:
|
|
||||||
|
|
||||||
enable_shared_from_this()
|
|
||||||
{
|
|
||||||
}
|
|
||||||
|
|
||||||
enable_shared_from_this(enable_shared_from_this const &)
|
|
||||||
{
|
|
||||||
}
|
|
||||||
|
|
||||||
enable_shared_from_this & operator=(enable_shared_from_this const &)
|
|
||||||
{
|
|
||||||
return *this;
|
|
||||||
}
|
|
||||||
|
|
||||||
~enable_shared_from_this()
|
|
||||||
{
|
|
||||||
}
|
|
||||||
|
|
||||||
public:
|
|
||||||
|
|
||||||
shared_ptr<T> shared_from_this()
|
|
||||||
{
|
|
||||||
shared_ptr<T> p(_internal_weak_this);
|
|
||||||
BOOST_ASSERT(p.get() == this);
|
|
||||||
return p;
|
|
||||||
}
|
|
||||||
|
|
||||||
shared_ptr<T const> shared_from_this() const
|
|
||||||
{
|
|
||||||
shared_ptr<T const> p(_internal_weak_this);
|
|
||||||
BOOST_ASSERT(p.get() == this);
|
|
||||||
return p;
|
|
||||||
}
|
|
||||||
|
|
||||||
typedef T _internal_element_type; // for bcc 5.5.1
|
|
||||||
weak_ptr<_internal_element_type> _internal_weak_this;
|
|
||||||
};
|
|
||||||
|
|
||||||
} // namespace boost
|
|
||||||
|
|
||||||
#endif // #ifndef BOOST_ENABLE_SHARED_FROM_THIS_HPP_INCLUDED
|
|
||||||
|
|
@ -1,474 +0,0 @@
|
||||||
#ifndef BOOST_SHARED_PTR_HPP_INCLUDED
|
|
||||||
#define BOOST_SHARED_PTR_HPP_INCLUDED
|
|
||||||
|
|
||||||
//
|
|
||||||
// shared_ptr.hpp
|
|
||||||
//
|
|
||||||
// (C) Copyright Greg Colvin and Beman Dawes 1998, 1999.
|
|
||||||
// Copyright (c) 2001, 2002, 2003 Peter Dimov
|
|
||||||
//
|
|
||||||
// Permission to copy, use, modify, sell and distribute this software
|
|
||||||
// is granted provided this copyright notice appears in all copies.
|
|
||||||
// This software is provided "as is" without express or implied
|
|
||||||
// warranty, and with no claim as to its suitability for any purpose.
|
|
||||||
//
|
|
||||||
// See http://www.boost.org/libs/smart_ptr/shared_ptr.htm for documentation.
|
|
||||||
//
|
|
||||||
|
|
||||||
//#include <boost/config.hpp> // for broken compiler workarounds
|
|
||||||
|
|
||||||
#if defined(BOOST_NO_MEMBER_TEMPLATES) && !defined(BOOST_MSVC6_MEMBER_TEMPLATES)
|
|
||||||
#include <boost/detail/shared_ptr_nmt.hpp>
|
|
||||||
#else
|
|
||||||
|
|
||||||
#include <boost/assert.hpp>
|
|
||||||
#include <boost/checked_delete.hpp>
|
|
||||||
#include <boost/throw_exception.hpp>
|
|
||||||
#include <boost/detail/shared_count.hpp>
|
|
||||||
#include <boost/detail/workaround.hpp>
|
|
||||||
|
|
||||||
#include <memory> // for std::auto_ptr
|
|
||||||
#include <algorithm> // for std::swap
|
|
||||||
#include <functional> // for std::less
|
|
||||||
#include <typeinfo> // for std::bad_cast
|
|
||||||
#include <iosfwd> // for std::basic_ostream
|
|
||||||
|
|
||||||
#ifdef BOOST_MSVC // moved here to work around VC++ compiler crash
|
|
||||||
# pragma warning(push)
|
|
||||||
# pragma warning(disable:4284) // odd return type for operator->
|
|
||||||
#endif
|
|
||||||
|
|
||||||
namespace boost
|
|
||||||
{
|
|
||||||
|
|
||||||
template<class T> class weak_ptr;
|
|
||||||
template<class T> class enable_shared_from_this;
|
|
||||||
|
|
||||||
namespace detail
|
|
||||||
{
|
|
||||||
|
|
||||||
struct static_cast_tag {};
|
|
||||||
struct const_cast_tag {};
|
|
||||||
struct dynamic_cast_tag {};
|
|
||||||
struct polymorphic_cast_tag {};
|
|
||||||
|
|
||||||
template<class T> struct shared_ptr_traits
|
|
||||||
{
|
|
||||||
typedef T & reference;
|
|
||||||
};
|
|
||||||
|
|
||||||
template<> struct shared_ptr_traits<void>
|
|
||||||
{
|
|
||||||
typedef void reference;
|
|
||||||
};
|
|
||||||
|
|
||||||
#if !defined(BOOST_NO_CV_VOID_SPECIALIZATIONS)
|
|
||||||
|
|
||||||
template<> struct shared_ptr_traits<void const>
|
|
||||||
{
|
|
||||||
typedef void reference;
|
|
||||||
};
|
|
||||||
|
|
||||||
template<> struct shared_ptr_traits<void volatile>
|
|
||||||
{
|
|
||||||
typedef void reference;
|
|
||||||
};
|
|
||||||
|
|
||||||
template<> struct shared_ptr_traits<void const volatile>
|
|
||||||
{
|
|
||||||
typedef void reference;
|
|
||||||
};
|
|
||||||
|
|
||||||
#endif
|
|
||||||
|
|
||||||
// enable_shared_from_this support
|
|
||||||
|
|
||||||
template<class T, class Y> void sp_enable_shared_from_this(boost::enable_shared_from_this<T> * pe, Y * px, shared_count const & pn)
|
|
||||||
{
|
|
||||||
if(pe != 0) pe->_internal_weak_this._internal_assign(px, pn);
|
|
||||||
}
|
|
||||||
|
|
||||||
inline void sp_enable_shared_from_this(void const volatile *, void const volatile *, shared_count const &)
|
|
||||||
{
|
|
||||||
}
|
|
||||||
|
|
||||||
} // namespace detail
|
|
||||||
|
|
||||||
|
|
||||||
//
|
|
||||||
// shared_ptr
|
|
||||||
//
|
|
||||||
// An enhanced relative of scoped_ptr with reference counted copy semantics.
|
|
||||||
// The object pointed to is deleted when the last shared_ptr pointing to it
|
|
||||||
// is destroyed or reset.
|
|
||||||
//
|
|
||||||
|
|
||||||
template<class T> class shared_ptr
|
|
||||||
{
|
|
||||||
private:
|
|
||||||
|
|
||||||
// Borland 5.5.1 specific workaround
|
|
||||||
typedef shared_ptr<T> this_type;
|
|
||||||
|
|
||||||
public:
|
|
||||||
|
|
||||||
typedef T element_type;
|
|
||||||
typedef T value_type;
|
|
||||||
typedef T * pointer;
|
|
||||||
typedef typename detail::shared_ptr_traits<T>::reference reference;
|
|
||||||
|
|
||||||
shared_ptr(): px(0), pn() // never throws in 1.30+
|
|
||||||
{
|
|
||||||
}
|
|
||||||
|
|
||||||
template<class Y>
|
|
||||||
explicit shared_ptr(Y * p): px(p), pn(p, checked_deleter<Y>()) // Y must be complete
|
|
||||||
{
|
|
||||||
detail::sp_enable_shared_from_this(p, p, pn);
|
|
||||||
}
|
|
||||||
|
|
||||||
//
|
|
||||||
// Requirements: D's copy constructor must not throw
|
|
||||||
//
|
|
||||||
// shared_ptr will release p by calling d(p)
|
|
||||||
//
|
|
||||||
|
|
||||||
template<class Y, class D> shared_ptr(Y * p, D d): px(p), pn(p, d)
|
|
||||||
{
|
|
||||||
detail::sp_enable_shared_from_this(p, p, pn);
|
|
||||||
}
|
|
||||||
|
|
||||||
// generated copy constructor, assignment, destructor are fine...
|
|
||||||
|
|
||||||
// except that Borland C++ has a bug, and g++ with -Wsynth warns
|
|
||||||
#if defined(__BORLANDC__) || defined(__GNUC__)
|
|
||||||
|
|
||||||
shared_ptr & operator=(shared_ptr const & r) // never throws
|
|
||||||
{
|
|
||||||
px = r.px;
|
|
||||||
pn = r.pn; // shared_count::op= doesn't throw
|
|
||||||
return *this;
|
|
||||||
}
|
|
||||||
|
|
||||||
#endif
|
|
||||||
|
|
||||||
template<class Y>
|
|
||||||
explicit shared_ptr(weak_ptr<Y> const & r): pn(r.pn) // may throw
|
|
||||||
{
|
|
||||||
// it is now safe to copy r.px, as pn(r.pn) did not throw
|
|
||||||
px = r.px;
|
|
||||||
}
|
|
||||||
|
|
||||||
template<class Y>
|
|
||||||
shared_ptr(shared_ptr<Y> const & r): px(r.px), pn(r.pn) // never throws
|
|
||||||
{
|
|
||||||
}
|
|
||||||
|
|
||||||
template<class Y>
|
|
||||||
shared_ptr(shared_ptr<Y> const & r, detail::static_cast_tag): px(static_cast<element_type *>(r.px)), pn(r.pn)
|
|
||||||
{
|
|
||||||
}
|
|
||||||
|
|
||||||
template<class Y>
|
|
||||||
shared_ptr(shared_ptr<Y> const & r, detail::const_cast_tag): px(const_cast<element_type *>(r.px)), pn(r.pn)
|
|
||||||
{
|
|
||||||
}
|
|
||||||
|
|
||||||
template<class Y>
|
|
||||||
shared_ptr(shared_ptr<Y> const & r, detail::dynamic_cast_tag): px(dynamic_cast<element_type *>(r.px)), pn(r.pn)
|
|
||||||
{
|
|
||||||
if(px == 0) // need to allocate new counter -- the cast failed
|
|
||||||
{
|
|
||||||
pn = detail::shared_count();
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
template<class Y>
|
|
||||||
shared_ptr(shared_ptr<Y> const & r, detail::polymorphic_cast_tag): px(dynamic_cast<element_type *>(r.px)), pn(r.pn)
|
|
||||||
{
|
|
||||||
if(px == 0)
|
|
||||||
{
|
|
||||||
boost::throw_exception(std::bad_cast());
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
#ifndef BOOST_NO_AUTO_PTR
|
|
||||||
|
|
||||||
template<class Y>
|
|
||||||
explicit shared_ptr(std::auto_ptr<Y> & r): px(r.get()), pn()
|
|
||||||
{
|
|
||||||
Y * tmp = r.get();
|
|
||||||
pn = detail::shared_count(r);
|
|
||||||
detail::sp_enable_shared_from_this(tmp, tmp, pn);
|
|
||||||
}
|
|
||||||
|
|
||||||
#endif
|
|
||||||
|
|
||||||
#if !defined(BOOST_MSVC) || (BOOST_MSVC > 1200)
|
|
||||||
|
|
||||||
template<class Y>
|
|
||||||
shared_ptr & operator=(shared_ptr<Y> const & r) // never throws
|
|
||||||
{
|
|
||||||
px = r.px;
|
|
||||||
pn = r.pn; // shared_count::op= doesn't throw
|
|
||||||
return *this;
|
|
||||||
}
|
|
||||||
|
|
||||||
#endif
|
|
||||||
|
|
||||||
#ifndef BOOST_NO_AUTO_PTR
|
|
||||||
|
|
||||||
template<class Y>
|
|
||||||
shared_ptr & operator=(std::auto_ptr<Y> & r)
|
|
||||||
{
|
|
||||||
this_type(r).swap(*this);
|
|
||||||
return *this;
|
|
||||||
}
|
|
||||||
|
|
||||||
#endif
|
|
||||||
|
|
||||||
void reset() // never throws in 1.30+
|
|
||||||
{
|
|
||||||
this_type().swap(*this);
|
|
||||||
}
|
|
||||||
|
|
||||||
template<class Y> void reset(Y * p) // Y must be complete
|
|
||||||
{
|
|
||||||
BOOST_ASSERT(p == 0 || p != px); // catch self-reset errors
|
|
||||||
this_type(p).swap(*this);
|
|
||||||
}
|
|
||||||
|
|
||||||
template<class Y, class D> void reset(Y * p, D d)
|
|
||||||
{
|
|
||||||
this_type(p, d).swap(*this);
|
|
||||||
}
|
|
||||||
|
|
||||||
reference operator* () const // never throws
|
|
||||||
{
|
|
||||||
BOOST_ASSERT(px != 0);
|
|
||||||
return *px;
|
|
||||||
}
|
|
||||||
|
|
||||||
T * operator-> () const // never throws
|
|
||||||
{
|
|
||||||
BOOST_ASSERT(px != 0);
|
|
||||||
return px;
|
|
||||||
}
|
|
||||||
|
|
||||||
T * get() const // never throws
|
|
||||||
{
|
|
||||||
return px;
|
|
||||||
}
|
|
||||||
|
|
||||||
// implicit conversion to "bool"
|
|
||||||
|
|
||||||
#if defined(__SUNPRO_CC) && BOOST_WORKAROUND(__SUNPRO_CC, <= 0x530)
|
|
||||||
|
|
||||||
operator bool () const
|
|
||||||
{
|
|
||||||
return px != 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
#elif defined(__MWERKS__) && BOOST_WORKAROUND(__MWERKS__, BOOST_TESTED_AT(0x3003))
|
|
||||||
typedef T * (this_type::*unspecified_bool_type)() const;
|
|
||||||
|
|
||||||
operator unspecified_bool_type() const // never throws
|
|
||||||
{
|
|
||||||
return px == 0? 0: &this_type::get;
|
|
||||||
}
|
|
||||||
|
|
||||||
#else
|
|
||||||
|
|
||||||
typedef T * this_type::*unspecified_bool_type;
|
|
||||||
|
|
||||||
operator unspecified_bool_type() const // never throws
|
|
||||||
{
|
|
||||||
return px == 0? 0: &this_type::px;
|
|
||||||
}
|
|
||||||
|
|
||||||
#endif
|
|
||||||
|
|
||||||
// operator! is redundant, but some compilers need it
|
|
||||||
|
|
||||||
bool operator! () const // never throws
|
|
||||||
{
|
|
||||||
return px == 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
bool unique() const // never throws
|
|
||||||
{
|
|
||||||
return pn.unique();
|
|
||||||
}
|
|
||||||
|
|
||||||
long use_count() const // never throws
|
|
||||||
{
|
|
||||||
return pn.use_count();
|
|
||||||
}
|
|
||||||
|
|
||||||
void swap(shared_ptr<T> & other) // never throws
|
|
||||||
{
|
|
||||||
std::swap(px, other.px);
|
|
||||||
pn.swap(other.pn);
|
|
||||||
}
|
|
||||||
|
|
||||||
template<class Y> bool _internal_less(shared_ptr<Y> const & rhs) const
|
|
||||||
{
|
|
||||||
return pn < rhs.pn;
|
|
||||||
}
|
|
||||||
|
|
||||||
void * _internal_get_deleter(std::type_info const & ti) const
|
|
||||||
{
|
|
||||||
return pn.get_deleter(ti);
|
|
||||||
}
|
|
||||||
|
|
||||||
// Tasteless as this may seem, making all members public allows member templates
|
|
||||||
// to work in the absence of member template friends. (Matthew Langston)
|
|
||||||
|
|
||||||
#if 0
|
|
||||||
|
|
||||||
private:
|
|
||||||
|
|
||||||
template<class Y> friend class shared_ptr;
|
|
||||||
template<class Y> friend class weak_ptr;
|
|
||||||
|
|
||||||
|
|
||||||
#endif
|
|
||||||
|
|
||||||
T * px; // contained pointer
|
|
||||||
detail::shared_count pn; // reference counter
|
|
||||||
|
|
||||||
}; // shared_ptr
|
|
||||||
|
|
||||||
template<class T, class U> inline bool operator==(shared_ptr<T> const & a, shared_ptr<U> const & b)
|
|
||||||
{
|
|
||||||
return a.get() == b.get();
|
|
||||||
}
|
|
||||||
|
|
||||||
template<class T, class U> inline bool operator!=(shared_ptr<T> const & a, shared_ptr<U> const & b)
|
|
||||||
{
|
|
||||||
return a.get() != b.get();
|
|
||||||
}
|
|
||||||
|
|
||||||
#if __GNUC__ == 2 && __GNUC_MINOR__ <= 96
|
|
||||||
|
|
||||||
// Resolve the ambiguity between our op!= and the one in rel_ops
|
|
||||||
|
|
||||||
template<class T> inline bool operator!=(shared_ptr<T> const & a, shared_ptr<T> const & b)
|
|
||||||
{
|
|
||||||
return a.get() != b.get();
|
|
||||||
}
|
|
||||||
|
|
||||||
#endif
|
|
||||||
|
|
||||||
template<class T, class U> inline bool operator<(shared_ptr<T> const & a, shared_ptr<U> const & b)
|
|
||||||
{
|
|
||||||
return a._internal_less(b);
|
|
||||||
}
|
|
||||||
|
|
||||||
template<class T> inline void swap(shared_ptr<T> & a, shared_ptr<T> & b)
|
|
||||||
{
|
|
||||||
a.swap(b);
|
|
||||||
}
|
|
||||||
|
|
||||||
template<class T, class U> shared_ptr<T> static_pointer_cast(shared_ptr<U> const & r)
|
|
||||||
{
|
|
||||||
return shared_ptr<T>(r, detail::static_cast_tag());
|
|
||||||
}
|
|
||||||
|
|
||||||
template<class T, class U> shared_ptr<T> const_pointer_cast(shared_ptr<U> const & r)
|
|
||||||
{
|
|
||||||
return shared_ptr<T>(r, detail::const_cast_tag());
|
|
||||||
}
|
|
||||||
|
|
||||||
template<class T, class U> shared_ptr<T> dynamic_pointer_cast(shared_ptr<U> const & r)
|
|
||||||
{
|
|
||||||
return shared_ptr<T>(r, detail::dynamic_cast_tag());
|
|
||||||
}
|
|
||||||
|
|
||||||
// shared_*_cast names are deprecated. Use *_pointer_cast instead.
|
|
||||||
|
|
||||||
template<class T, class U> shared_ptr<T> shared_static_cast(shared_ptr<U> const & r)
|
|
||||||
{
|
|
||||||
return shared_ptr<T>(r, detail::static_cast_tag());
|
|
||||||
}
|
|
||||||
|
|
||||||
template<class T, class U> shared_ptr<T> shared_dynamic_cast(shared_ptr<U> const & r)
|
|
||||||
{
|
|
||||||
return shared_ptr<T>(r, detail::dynamic_cast_tag());
|
|
||||||
}
|
|
||||||
|
|
||||||
template<class T, class U> shared_ptr<T> shared_polymorphic_cast(shared_ptr<U> const & r)
|
|
||||||
{
|
|
||||||
return shared_ptr<T>(r, detail::polymorphic_cast_tag());
|
|
||||||
}
|
|
||||||
|
|
||||||
template<class T, class U> shared_ptr<T> shared_polymorphic_downcast(shared_ptr<U> const & r)
|
|
||||||
{
|
|
||||||
BOOST_ASSERT(dynamic_cast<T *>(r.get()) == r.get());
|
|
||||||
return shared_static_cast<T>(r);
|
|
||||||
}
|
|
||||||
|
|
||||||
// get_pointer() enables boost::mem_fn to recognize shared_ptr
|
|
||||||
|
|
||||||
template<class T> inline T * get_pointer(shared_ptr<T> const & p)
|
|
||||||
{
|
|
||||||
return p.get();
|
|
||||||
}
|
|
||||||
|
|
||||||
// operator<<
|
|
||||||
|
|
||||||
#if defined(__GNUC__) && (__GNUC__ < 3)
|
|
||||||
|
|
||||||
template<class Y> std::ostream & operator<< (std::ostream & os, shared_ptr<Y> const & p)
|
|
||||||
{
|
|
||||||
os << p.get();
|
|
||||||
return os;
|
|
||||||
}
|
|
||||||
|
|
||||||
#else
|
|
||||||
|
|
||||||
# if defined(BOOST_MSVC) && BOOST_WORKAROUND(BOOST_MSVC, <= 1200 && __SGI_STL_PORT)
|
|
||||||
// MSVC6 has problems finding std::basic_ostream through the using declaration in namespace _STL
|
|
||||||
using std::basic_ostream;
|
|
||||||
template<class E, class T, class Y> basic_ostream<E, T> & operator<< (basic_ostream<E, T> & os, shared_ptr<Y> const & p)
|
|
||||||
# else
|
|
||||||
template<class E, class T, class Y> std::basic_ostream<E, T> & operator<< (std::basic_ostream<E, T> & os, shared_ptr<Y> const & p)
|
|
||||||
# endif
|
|
||||||
{
|
|
||||||
os << p.get();
|
|
||||||
return os;
|
|
||||||
}
|
|
||||||
|
|
||||||
#endif
|
|
||||||
|
|
||||||
// get_deleter (experimental)
|
|
||||||
|
|
||||||
#if (defined(__GNUC__) && (__GNUC__ < 3)) || (defined(__EDG_VERSION__) && (__EDG_VERSION__ <= 238))
|
|
||||||
|
|
||||||
// g++ 2.9x doesn't allow static_cast<X const *>(void *)
|
|
||||||
// apparently EDG 2.38 also doesn't accept it
|
|
||||||
|
|
||||||
template<class D, class T> D * get_deleter(shared_ptr<T> const & p)
|
|
||||||
{
|
|
||||||
void const * q = p._internal_get_deleter(typeid(D));
|
|
||||||
return const_cast<D *>(static_cast<D const *>(q));
|
|
||||||
}
|
|
||||||
|
|
||||||
#else
|
|
||||||
|
|
||||||
template<class D, class T> D * get_deleter(shared_ptr<T> const & p)
|
|
||||||
{
|
|
||||||
return static_cast<D *>(p._internal_get_deleter(typeid(D)));
|
|
||||||
}
|
|
||||||
|
|
||||||
#endif
|
|
||||||
|
|
||||||
} // namespace boost
|
|
||||||
|
|
||||||
#ifdef BOOST_MSVC
|
|
||||||
# pragma warning(pop)
|
|
||||||
#endif
|
|
||||||
|
|
||||||
#endif // #if defined(BOOST_NO_MEMBER_TEMPLATES) && !defined(BOOST_MSVC6_MEMBER_TEMPLATES)
|
|
||||||
|
|
||||||
#endif // #ifndef BOOST_SHARED_PTR_HPP_INCLUDED
|
|
||||||
|
|
@ -1,193 +0,0 @@
|
||||||
#ifndef BOOST_WEAK_PTR_HPP_INCLUDED
|
|
||||||
#define BOOST_WEAK_PTR_HPP_INCLUDED
|
|
||||||
|
|
||||||
//
|
|
||||||
// weak_ptr.hpp
|
|
||||||
//
|
|
||||||
// Copyright (c) 2001, 2002, 2003 Peter Dimov
|
|
||||||
//
|
|
||||||
// Permission to copy, use, modify, sell and distribute this software
|
|
||||||
// is granted provided this copyright notice appears in all copies.
|
|
||||||
// This software is provided "as is" without express or implied
|
|
||||||
// warranty, and with no claim as to its suitability for any purpose.
|
|
||||||
//
|
|
||||||
// See http://www.boost.org/libs/smart_ptr/weak_ptr.htm for documentation.
|
|
||||||
//
|
|
||||||
|
|
||||||
#include <boost/shared_ptr.hpp>
|
|
||||||
|
|
||||||
#ifdef BOOST_MSVC // moved here to work around VC++ compiler crash
|
|
||||||
# pragma warning(push)
|
|
||||||
# pragma warning(disable:4284) // odd return type for operator->
|
|
||||||
#endif
|
|
||||||
|
|
||||||
namespace boost
|
|
||||||
{
|
|
||||||
|
|
||||||
template<class T> class weak_ptr
|
|
||||||
{
|
|
||||||
private:
|
|
||||||
|
|
||||||
// Borland 5.5.1 specific workarounds
|
|
||||||
typedef weak_ptr<T> this_type;
|
|
||||||
|
|
||||||
public:
|
|
||||||
|
|
||||||
typedef T element_type;
|
|
||||||
|
|
||||||
weak_ptr(): px(0), pn() // never throws in 1.30+
|
|
||||||
{
|
|
||||||
}
|
|
||||||
|
|
||||||
// generated copy constructor, assignment, destructor are fine
|
|
||||||
|
|
||||||
|
|
||||||
//
|
|
||||||
// The "obvious" converting constructor implementation:
|
|
||||||
//
|
|
||||||
// template<class Y>
|
|
||||||
// weak_ptr(weak_ptr<Y> const & r): px(r.px), pn(r.pn) // never throws
|
|
||||||
// {
|
|
||||||
// }
|
|
||||||
//
|
|
||||||
// has a serious problem.
|
|
||||||
//
|
|
||||||
// r.px may already have been invalidated. The px(r.px)
|
|
||||||
// conversion may require access to *r.px (virtual inheritance).
|
|
||||||
//
|
|
||||||
// It is not possible to avoid spurious access violations since
|
|
||||||
// in multithreaded programs r.px may be invalidated at any point.
|
|
||||||
//
|
|
||||||
|
|
||||||
template<class Y>
|
|
||||||
weak_ptr(weak_ptr<Y> const & r): pn(r.pn) // never throws
|
|
||||||
{
|
|
||||||
px = r.lock().get();
|
|
||||||
}
|
|
||||||
|
|
||||||
template<class Y>
|
|
||||||
weak_ptr(shared_ptr<Y> const & r): px(r.px), pn(r.pn) // never throws
|
|
||||||
{
|
|
||||||
}
|
|
||||||
|
|
||||||
#if !defined(BOOST_MSVC) || (BOOST_MSVC > 1200)
|
|
||||||
|
|
||||||
template<class Y>
|
|
||||||
weak_ptr & operator=(weak_ptr<Y> const & r) // never throws
|
|
||||||
{
|
|
||||||
px = r.lock().get();
|
|
||||||
pn = r.pn;
|
|
||||||
return *this;
|
|
||||||
}
|
|
||||||
|
|
||||||
template<class Y>
|
|
||||||
weak_ptr & operator=(shared_ptr<Y> const & r) // never throws
|
|
||||||
{
|
|
||||||
px = r.px;
|
|
||||||
pn = r.pn;
|
|
||||||
return *this;
|
|
||||||
}
|
|
||||||
|
|
||||||
#endif
|
|
||||||
|
|
||||||
shared_ptr<T> lock() const // never throws
|
|
||||||
{
|
|
||||||
#if defined(BOOST_HAS_THREADS)
|
|
||||||
|
|
||||||
// optimization: avoid throw overhead
|
|
||||||
if(expired())
|
|
||||||
{
|
|
||||||
return shared_ptr<element_type>();
|
|
||||||
}
|
|
||||||
|
|
||||||
try
|
|
||||||
{
|
|
||||||
return shared_ptr<element_type>(*this);
|
|
||||||
}
|
|
||||||
catch(bad_weak_ptr const &)
|
|
||||||
{
|
|
||||||
// Q: how can we get here?
|
|
||||||
// A: another thread may have invalidated r after the use_count test above.
|
|
||||||
return shared_ptr<element_type>();
|
|
||||||
}
|
|
||||||
|
|
||||||
#else
|
|
||||||
|
|
||||||
// optimization: avoid try/catch overhead when single threaded
|
|
||||||
return expired()? shared_ptr<element_type>(): shared_ptr<element_type>(*this);
|
|
||||||
|
|
||||||
#endif
|
|
||||||
}
|
|
||||||
|
|
||||||
long use_count() const // never throws
|
|
||||||
{
|
|
||||||
return pn.use_count();
|
|
||||||
}
|
|
||||||
|
|
||||||
bool expired() const // never throws
|
|
||||||
{
|
|
||||||
return pn.use_count() == 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
void reset() // never throws in 1.30+
|
|
||||||
{
|
|
||||||
this_type().swap(*this);
|
|
||||||
}
|
|
||||||
|
|
||||||
void swap(this_type & other) // never throws
|
|
||||||
{
|
|
||||||
std::swap(px, other.px);
|
|
||||||
pn.swap(other.pn);
|
|
||||||
}
|
|
||||||
|
|
||||||
void _internal_assign(T * px2, detail::shared_count const & pn2)
|
|
||||||
{
|
|
||||||
px = px2;
|
|
||||||
pn = pn2;
|
|
||||||
}
|
|
||||||
|
|
||||||
template<class Y> bool _internal_less(weak_ptr<Y> const & rhs) const
|
|
||||||
{
|
|
||||||
return pn < rhs.pn;
|
|
||||||
}
|
|
||||||
|
|
||||||
// Tasteless as this may seem, making all members public allows member templates
|
|
||||||
// to work in the absence of member template friends. (Matthew Langston)
|
|
||||||
|
|
||||||
#if 0
|
|
||||||
|
|
||||||
private:
|
|
||||||
|
|
||||||
template<class Y> friend class weak_ptr;
|
|
||||||
template<class Y> friend class shared_ptr;
|
|
||||||
|
|
||||||
#endif
|
|
||||||
|
|
||||||
T * px; // contained pointer
|
|
||||||
detail::weak_count pn; // reference counter
|
|
||||||
|
|
||||||
}; // weak_ptr
|
|
||||||
|
|
||||||
template<class T, class U> inline bool operator<(weak_ptr<T> const & a, weak_ptr<U> const & b)
|
|
||||||
{
|
|
||||||
return a._internal_less(b);
|
|
||||||
}
|
|
||||||
|
|
||||||
template<class T> void swap(weak_ptr<T> & a, weak_ptr<T> & b)
|
|
||||||
{
|
|
||||||
a.swap(b);
|
|
||||||
}
|
|
||||||
|
|
||||||
// deprecated, provided for backward compatibility
|
|
||||||
template<class T> shared_ptr<T> make_shared(weak_ptr<T> const & r)
|
|
||||||
{
|
|
||||||
return r.lock();
|
|
||||||
}
|
|
||||||
|
|
||||||
} // namespace boost
|
|
||||||
|
|
||||||
#ifdef BOOST_MSVC
|
|
||||||
# pragma warning(pop)
|
|
||||||
#endif
|
|
||||||
|
|
||||||
#endif // #ifndef BOOST_WEAK_PTR_HPP_INCLUDED
|
|
||||||
|
|
@ -6,6 +6,7 @@
|
||||||
#include "globals.hh"
|
#include "globals.hh"
|
||||||
#include "eval-inline.hh"
|
#include "eval-inline.hh"
|
||||||
|
|
||||||
|
#include <algorithm>
|
||||||
#include <cstring>
|
#include <cstring>
|
||||||
#include <unistd.h>
|
#include <unistd.h>
|
||||||
#include <sys/time.h>
|
#include <sys/time.h>
|
||||||
|
|
|
||||||
|
|
@ -12,9 +12,6 @@
|
||||||
#include <map>
|
#include <map>
|
||||||
#include <sstream>
|
#include <sstream>
|
||||||
#include <algorithm>
|
#include <algorithm>
|
||||||
#include <boost/shared_ptr.hpp>
|
|
||||||
#include <boost/weak_ptr.hpp>
|
|
||||||
#include <boost/enable_shared_from_this.hpp>
|
|
||||||
|
|
||||||
#include <time.h>
|
#include <time.h>
|
||||||
#include <sys/time.h>
|
#include <sys/time.h>
|
||||||
|
|
@ -84,19 +81,19 @@ struct HookInstance;
|
||||||
|
|
||||||
/* A pointer to a goal. */
|
/* A pointer to a goal. */
|
||||||
class Goal;
|
class Goal;
|
||||||
typedef boost::shared_ptr<Goal> GoalPtr;
|
typedef std::shared_ptr<Goal> GoalPtr;
|
||||||
typedef boost::weak_ptr<Goal> WeakGoalPtr;
|
typedef std::weak_ptr<Goal> WeakGoalPtr;
|
||||||
|
|
||||||
/* Set of goals. */
|
/* Set of goals. */
|
||||||
typedef set<GoalPtr> Goals;
|
typedef set<GoalPtr> Goals;
|
||||||
typedef set<WeakGoalPtr> WeakGoals;
|
typedef list<WeakGoalPtr> WeakGoals;
|
||||||
|
|
||||||
/* A map of paths to goals (and the other way around). */
|
/* A map of paths to goals (and the other way around). */
|
||||||
typedef map<Path, WeakGoalPtr> WeakGoalMap;
|
typedef map<Path, WeakGoalPtr> WeakGoalMap;
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
class Goal : public boost::enable_shared_from_this<Goal>
|
class Goal : public std::enable_shared_from_this<Goal>
|
||||||
{
|
{
|
||||||
public:
|
public:
|
||||||
typedef enum {ecBusy, ecSuccess, ecFailed, ecNoSubstituters, ecIncompleteClosure} ExitCode;
|
typedef enum {ecBusy, ecSuccess, ecFailed, ecNoSubstituters, ecIncompleteClosure} ExitCode;
|
||||||
|
|
@ -242,7 +239,7 @@ public:
|
||||||
|
|
||||||
LocalStore & store;
|
LocalStore & store;
|
||||||
|
|
||||||
boost::shared_ptr<HookInstance> hook;
|
std::shared_ptr<HookInstance> hook;
|
||||||
|
|
||||||
Worker(LocalStore & store);
|
Worker(LocalStore & store);
|
||||||
~Worker();
|
~Worker();
|
||||||
|
|
@ -300,10 +297,19 @@ public:
|
||||||
//////////////////////////////////////////////////////////////////////
|
//////////////////////////////////////////////////////////////////////
|
||||||
|
|
||||||
|
|
||||||
|
void addToWeakGoals(WeakGoals & goals, GoalPtr p)
|
||||||
|
{
|
||||||
|
// FIXME: necessary?
|
||||||
|
foreach (WeakGoals::iterator, i, goals)
|
||||||
|
if (i->lock() == p) return;
|
||||||
|
goals.push_back(p);
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
void Goal::addWaitee(GoalPtr waitee)
|
void Goal::addWaitee(GoalPtr waitee)
|
||||||
{
|
{
|
||||||
waitees.insert(waitee);
|
waitees.insert(waitee);
|
||||||
waitee->waiters.insert(shared_from_this());
|
addToWeakGoals(waitee->waiters, shared_from_this());
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
|
|
@ -329,7 +335,7 @@ void Goal::waiteeDone(GoalPtr waitee, ExitCode result)
|
||||||
GoalPtr goal = *i;
|
GoalPtr goal = *i;
|
||||||
WeakGoals waiters2;
|
WeakGoals waiters2;
|
||||||
foreach (WeakGoals::iterator, j, goal->waiters)
|
foreach (WeakGoals::iterator, j, goal->waiters)
|
||||||
if (j->lock() != shared_from_this()) waiters2.insert(*j);
|
if (j->lock() != shared_from_this()) waiters2.push_back(*j);
|
||||||
goal->waiters = waiters2;
|
goal->waiters = waiters2;
|
||||||
}
|
}
|
||||||
waitees.clear();
|
waitees.clear();
|
||||||
|
|
@ -735,7 +741,7 @@ private:
|
||||||
Pipe builderOut;
|
Pipe builderOut;
|
||||||
|
|
||||||
/* The build hook. */
|
/* The build hook. */
|
||||||
boost::shared_ptr<HookInstance> hook;
|
std::shared_ptr<HookInstance> hook;
|
||||||
|
|
||||||
/* Whether we're currently doing a chroot build. */
|
/* Whether we're currently doing a chroot build. */
|
||||||
bool useChroot;
|
bool useChroot;
|
||||||
|
|
@ -743,7 +749,7 @@ private:
|
||||||
Path chrootRootDir;
|
Path chrootRootDir;
|
||||||
|
|
||||||
/* RAII object to delete the chroot directory. */
|
/* RAII object to delete the chroot directory. */
|
||||||
boost::shared_ptr<AutoDelete> autoDelChroot;
|
std::shared_ptr<AutoDelete> autoDelChroot;
|
||||||
|
|
||||||
/* All inputs that are regular files. */
|
/* All inputs that are regular files. */
|
||||||
PathSet regularInputPaths;
|
PathSet regularInputPaths;
|
||||||
|
|
@ -1512,7 +1518,7 @@ HookReply DerivationGoal::tryBuildHook()
|
||||||
if (!settings.useBuildHook || getEnv("NIX_BUILD_HOOK") == "") return rpDecline;
|
if (!settings.useBuildHook || getEnv("NIX_BUILD_HOOK") == "") return rpDecline;
|
||||||
|
|
||||||
if (!worker.hook)
|
if (!worker.hook)
|
||||||
worker.hook = boost::shared_ptr<HookInstance>(new HookInstance);
|
worker.hook = std::shared_ptr<HookInstance>(new HookInstance);
|
||||||
|
|
||||||
/* Tell the hook about system features (beyond the system type)
|
/* Tell the hook about system features (beyond the system type)
|
||||||
required from the build machine. (The hook could parse the
|
required from the build machine. (The hook could parse the
|
||||||
|
|
@ -1784,7 +1790,7 @@ void DerivationGoal::startBuilder()
|
||||||
if (pathExists(chrootRootDir)) deletePath(chrootRootDir);
|
if (pathExists(chrootRootDir)) deletePath(chrootRootDir);
|
||||||
|
|
||||||
/* Clean up the chroot directory automatically. */
|
/* Clean up the chroot directory automatically. */
|
||||||
autoDelChroot = boost::shared_ptr<AutoDelete>(new AutoDelete(chrootRootDir));
|
autoDelChroot = std::shared_ptr<AutoDelete>(new AutoDelete(chrootRootDir));
|
||||||
|
|
||||||
printMsg(lvlChatty, format("setting up chroot environment in `%1%'") % chrootRootDir);
|
printMsg(lvlChatty, format("setting up chroot environment in `%1%'") % chrootRootDir);
|
||||||
|
|
||||||
|
|
@ -2557,7 +2563,7 @@ private:
|
||||||
Pid pid;
|
Pid pid;
|
||||||
|
|
||||||
/* Lock on the store path. */
|
/* Lock on the store path. */
|
||||||
boost::shared_ptr<PathLocks> outputLock;
|
std::shared_ptr<PathLocks> outputLock;
|
||||||
|
|
||||||
/* Whether to try to repair a valid path. */
|
/* Whether to try to repair a valid path. */
|
||||||
bool repair;
|
bool repair;
|
||||||
|
|
@ -2734,7 +2740,7 @@ void SubstitutionGoal::tryToRun()
|
||||||
}
|
}
|
||||||
|
|
||||||
/* Acquire a lock on the output path. */
|
/* Acquire a lock on the output path. */
|
||||||
outputLock = boost::shared_ptr<PathLocks>(new PathLocks);
|
outputLock = std::shared_ptr<PathLocks>(new PathLocks);
|
||||||
if (!outputLock->lockPaths(singleton<PathSet>(storePath), "", false)) {
|
if (!outputLock->lockPaths(singleton<PathSet>(storePath), "", false)) {
|
||||||
worker.waitForAWhile(shared_from_this());
|
worker.waitForAWhile(shared_from_this());
|
||||||
return;
|
return;
|
||||||
|
|
@ -3012,7 +3018,7 @@ void Worker::removeGoal(GoalPtr goal)
|
||||||
void Worker::wakeUp(GoalPtr goal)
|
void Worker::wakeUp(GoalPtr goal)
|
||||||
{
|
{
|
||||||
goal->trace("woken up");
|
goal->trace("woken up");
|
||||||
awake.insert(goal);
|
addToWeakGoals(awake, goal);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
|
|
@ -3070,21 +3076,21 @@ void Worker::waitForBuildSlot(GoalPtr goal)
|
||||||
if (getNrLocalBuilds() < settings.maxBuildJobs)
|
if (getNrLocalBuilds() < settings.maxBuildJobs)
|
||||||
wakeUp(goal); /* we can do it right away */
|
wakeUp(goal); /* we can do it right away */
|
||||||
else
|
else
|
||||||
wantingToBuild.insert(goal);
|
addToWeakGoals(wantingToBuild, goal);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
void Worker::waitForAnyGoal(GoalPtr goal)
|
void Worker::waitForAnyGoal(GoalPtr goal)
|
||||||
{
|
{
|
||||||
debug("wait for any goal");
|
debug("wait for any goal");
|
||||||
waitingForAnyGoal.insert(goal);
|
addToWeakGoals(waitingForAnyGoal, goal);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
void Worker::waitForAWhile(GoalPtr goal)
|
void Worker::waitForAWhile(GoalPtr goal)
|
||||||
{
|
{
|
||||||
debug("wait for a while");
|
debug("wait for a while");
|
||||||
waitingForAWhile.insert(goal);
|
addToWeakGoals(waitingForAWhile, goal);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
|
|
|
||||||
|
|
@ -2,8 +2,6 @@
|
||||||
#include "misc.hh"
|
#include "misc.hh"
|
||||||
#include "local-store.hh"
|
#include "local-store.hh"
|
||||||
|
|
||||||
#include <boost/shared_ptr.hpp>
|
|
||||||
|
|
||||||
#include <functional>
|
#include <functional>
|
||||||
#include <queue>
|
#include <queue>
|
||||||
#include <algorithm>
|
#include <algorithm>
|
||||||
|
|
@ -224,7 +222,7 @@ struct RemoveTempRoots
|
||||||
static RemoveTempRoots autoRemoveTempRoots __attribute__((unused));
|
static RemoveTempRoots autoRemoveTempRoots __attribute__((unused));
|
||||||
|
|
||||||
|
|
||||||
typedef boost::shared_ptr<AutoCloseFD> FDPtr;
|
typedef std::shared_ptr<AutoCloseFD> FDPtr;
|
||||||
typedef list<FDPtr> FDs;
|
typedef list<FDPtr> FDs;
|
||||||
|
|
||||||
|
|
||||||
|
|
|
||||||
|
|
@ -316,15 +316,15 @@ void exportPaths(StoreAPI & store, const Paths & paths,
|
||||||
namespace nix {
|
namespace nix {
|
||||||
|
|
||||||
|
|
||||||
boost::shared_ptr<StoreAPI> store;
|
std::shared_ptr<StoreAPI> store;
|
||||||
|
|
||||||
|
|
||||||
boost::shared_ptr<StoreAPI> openStore(bool reserveSpace)
|
std::shared_ptr<StoreAPI> openStore(bool reserveSpace)
|
||||||
{
|
{
|
||||||
if (getEnv("NIX_REMOTE") == "")
|
if (getEnv("NIX_REMOTE") == "")
|
||||||
return boost::shared_ptr<StoreAPI>(new LocalStore(reserveSpace));
|
return std::shared_ptr<StoreAPI>(new LocalStore(reserveSpace));
|
||||||
else
|
else
|
||||||
return boost::shared_ptr<StoreAPI>(new RemoteStore());
|
return std::shared_ptr<StoreAPI>(new RemoteStore());
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
|
|
|
||||||
|
|
@ -5,8 +5,7 @@
|
||||||
|
|
||||||
#include <string>
|
#include <string>
|
||||||
#include <map>
|
#include <map>
|
||||||
|
#include <memory>
|
||||||
#include <boost/shared_ptr.hpp>
|
|
||||||
|
|
||||||
|
|
||||||
namespace nix {
|
namespace nix {
|
||||||
|
|
@ -337,12 +336,12 @@ Paths topoSortPaths(StoreAPI & store, const PathSet & paths);
|
||||||
|
|
||||||
/* For now, there is a single global store API object, but we'll
|
/* For now, there is a single global store API object, but we'll
|
||||||
purify that in the future. */
|
purify that in the future. */
|
||||||
extern boost::shared_ptr<StoreAPI> store;
|
extern std::shared_ptr<StoreAPI> store;
|
||||||
|
|
||||||
|
|
||||||
/* Factory method: open the Nix database, either through the local or
|
/* Factory method: open the Nix database, either through the local or
|
||||||
remote implementation. */
|
remote implementation. */
|
||||||
boost::shared_ptr<StoreAPI> openStore(bool reserveSpace = true);
|
std::shared_ptr<StoreAPI> openStore(bool reserveSpace = true);
|
||||||
|
|
||||||
|
|
||||||
/* Display a set of paths in human-readable form (i.e., between quotes
|
/* Display a set of paths in human-readable form (i.e., between quotes
|
||||||
|
|
|
||||||
|
|
@ -702,7 +702,7 @@ static void processConnection(bool trusted)
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
/* Open the store. */
|
/* Open the store. */
|
||||||
store = boost::shared_ptr<StoreAPI>(new LocalStore(reserveSpace));
|
store = std::shared_ptr<StoreAPI>(new LocalStore(reserveSpace));
|
||||||
|
|
||||||
stopWork();
|
stopWork();
|
||||||
to.flush();
|
to.flush();
|
||||||
|
|
|
||||||
Loading…
Add table
Add a link
Reference in a new issue