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Diffstat (limited to '3rdParty/Boost/src/boost/serialization/detail/shared_count_132.hpp')
-rw-r--r--3rdParty/Boost/src/boost/serialization/detail/shared_count_132.hpp569
1 files changed, 569 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/serialization/detail/shared_count_132.hpp b/3rdParty/Boost/src/boost/serialization/detail/shared_count_132.hpp
new file mode 100644
index 0000000..c42355b
--- /dev/null
+++ b/3rdParty/Boost/src/boost/serialization/detail/shared_count_132.hpp
@@ -0,0 +1,569 @@
+#ifndef BOOST_DETAIL_SHARED_COUNT_132_HPP_INCLUDED
+#define BOOST_DETAIL_SHARED_COUNT_132_HPP_INCLUDED
+
+// MS compatible compilers support #pragma once
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1020)
+# pragma once
+#endif
+
+//
+// detail/shared_count.hpp
+//
+// Copyright (c) 2001, 2002, 2003 Peter Dimov and Multi Media Ltd.
+//
+// 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)
+//
+
+#include <boost/config.hpp>
+
+#if defined(BOOST_SP_USE_STD_ALLOCATOR) && defined(BOOST_SP_USE_QUICK_ALLOCATOR)
+# error BOOST_SP_USE_STD_ALLOCATOR and BOOST_SP_USE_QUICK_ALLOCATOR are incompatible.
+#endif
+
+#include <boost/checked_delete.hpp>
+#include <boost/serialization/throw_exception.hpp>
+#include <boost/detail/lightweight_mutex.hpp>
+
+#if defined(BOOST_SP_USE_QUICK_ALLOCATOR)
+#include <boost/detail/quick_allocator.hpp>
+#endif
+
+#include <memory> // std::auto_ptr, std::allocator
+#include <functional> // std::less
+#include <exception> // std::exception
+#include <new> // std::bad_alloc
+#include <typeinfo> // std::type_info in get_deleter
+#include <cstddef> // std::size_t
+
+#include <boost/config.hpp> // msvc 6.0 needs this for warning suppression
+#if defined(BOOST_NO_STDC_NAMESPACE)
+namespace std{
+ using ::size_t;
+} // namespace std
+#endif
+
+#ifdef __BORLANDC__
+# pragma warn -8026 // Functions with excep. spec. are not expanded inline
+# pragma warn -8027 // Functions containing try are not expanded inline
+#endif
+
+namespace boost_132 {
+
+// Debug hooks
+
+#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
+
+void sp_scalar_constructor_hook(void * px, std::size_t size, void * pn);
+void sp_array_constructor_hook(void * px);
+void sp_scalar_destructor_hook(void * px, std::size_t size, void * pn);
+void sp_array_destructor_hook(void * px);
+
+#endif
+
+
+// The standard library that comes with Borland C++ 5.5.1
+// defines std::exception and its members as having C calling
+// convention (-pc). When the definition of bad_weak_ptr
+// is compiled with -ps, the compiler issues an error.
+// Hence, the temporary #pragma option -pc below. The version
+// check is deliberately conservative.
+
+#if defined(__BORLANDC__) && __BORLANDC__ == 0x551
+# pragma option push -pc
+#endif
+
+class bad_weak_ptr: public std::exception
+{
+public:
+
+ virtual char const * what() const throw()
+ {
+ return "boost::bad_weak_ptr";
+ }
+};
+
+#if defined(__BORLANDC__) && __BORLANDC__ == 0x551
+# pragma option pop
+#endif
+
+namespace detail{
+
+class sp_counted_base
+{
+//private:
+
+ typedef boost::detail::lightweight_mutex mutex_type;
+
+public:
+
+ sp_counted_base(): use_count_(1), weak_count_(1)
+ {
+ }
+
+ virtual ~sp_counted_base() // nothrow
+ {
+ }
+
+ // dispose() is called when use_count_ drops to zero, to release
+ // the resources managed by *this.
+
+ virtual void dispose() = 0; // nothrow
+
+ // destruct() is called when weak_count_ drops to zero.
+
+ virtual void destruct() // nothrow
+ {
+ delete this;
+ }
+
+ virtual void * get_deleter(std::type_info const & ti) = 0;
+
+ void add_ref_copy()
+ {
+#if defined(BOOST_HAS_THREADS)
+ mutex_type::scoped_lock lock(mtx_);
+#endif
+ ++use_count_;
+ }
+
+ void add_ref_lock()
+ {
+#if defined(BOOST_HAS_THREADS)
+ mutex_type::scoped_lock lock(mtx_);
+#endif
+ if(use_count_ == 0) boost::serialization::throw_exception(bad_weak_ptr());
+ ++use_count_;
+ }
+
+ void release() // nothrow
+ {
+ {
+#if defined(BOOST_HAS_THREADS)
+ mutex_type::scoped_lock lock(mtx_);
+#endif
+ long new_use_count = --use_count_;
+
+ if(new_use_count != 0) return;
+ }
+
+ dispose();
+ weak_release();
+ }
+
+ void weak_add_ref() // nothrow
+ {
+#if defined(BOOST_HAS_THREADS)
+ mutex_type::scoped_lock lock(mtx_);
+#endif
+ ++weak_count_;
+ }
+
+ void weak_release() // nothrow
+ {
+ long new_weak_count;
+
+ {
+#if defined(BOOST_HAS_THREADS)
+ mutex_type::scoped_lock lock(mtx_);
+#endif
+ new_weak_count = --weak_count_;
+ }
+
+ if(new_weak_count == 0)
+ {
+ destruct();
+ }
+ }
+
+ long use_count() const // nothrow
+ {
+#if defined(BOOST_HAS_THREADS)
+ mutex_type::scoped_lock lock(mtx_);
+#endif
+ return use_count_;
+ }
+
+//private:
+public:
+ sp_counted_base(sp_counted_base const &);
+ sp_counted_base & operator= (sp_counted_base const &);
+
+ long use_count_; // #shared
+ long weak_count_; // #weak + (#shared != 0)
+
+#if defined(BOOST_HAS_THREADS) || defined(BOOST_LWM_WIN32)
+ mutable mutex_type mtx_;
+#endif
+};
+
+#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
+
+template<class T> void cbi_call_constructor_hook(sp_counted_base * pn, T * px, checked_deleter< T > const &, int)
+{
+ boost::sp_scalar_constructor_hook(px, sizeof(T), pn);
+}
+
+template<class T> void cbi_call_constructor_hook(sp_counted_base *, T * px, checked_array_deleter< T > const &, int)
+{
+ boost::sp_array_constructor_hook(px);
+}
+
+template<class P, class D> void cbi_call_constructor_hook(sp_counted_base *, P const &, D const &, long)
+{
+}
+
+template<class T> void cbi_call_destructor_hook(sp_counted_base * pn, T * px, checked_deleter< T > const &, int)
+{
+ boost::sp_scalar_destructor_hook(px, sizeof(T), pn);
+}
+
+template<class T> void cbi_call_destructor_hook(sp_counted_base *, T * px, checked_array_deleter< T > const &, int)
+{
+ boost::sp_array_destructor_hook(px);
+}
+
+template<class P, class D> void cbi_call_destructor_hook(sp_counted_base *, P const &, D const &, long)
+{
+}
+
+#endif
+
+//
+// Borland's Codeguard trips up over the -Vx- option here:
+//
+#ifdef __CODEGUARD__
+# pragma option push -Vx-
+#endif
+
+template<class P, class D> class sp_counted_base_impl: public sp_counted_base
+{
+//private:
+public:
+ P ptr; // copy constructor must not throw
+ D del; // copy constructor must not throw
+
+ sp_counted_base_impl(sp_counted_base_impl const &);
+ sp_counted_base_impl & operator= (sp_counted_base_impl const &);
+
+ typedef sp_counted_base_impl<P, D> this_type;
+
+public:
+
+ // pre: initial_use_count <= initial_weak_count, d(p) must not throw
+
+ sp_counted_base_impl(P p, D d): ptr(p), del(d)
+ {
+#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
+ detail::cbi_call_constructor_hook(this, p, d, 0);
+#endif
+ }
+
+ virtual void dispose() // nothrow
+ {
+#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
+ detail::cbi_call_destructor_hook(this, ptr, del, 0);
+#endif
+ del(ptr);
+ }
+
+ virtual void * get_deleter(std::type_info const & ti)
+ {
+ return ti == typeid(D)? &del: 0;
+ }
+
+#if defined(BOOST_SP_USE_STD_ALLOCATOR)
+
+ void * operator new(std::size_t)
+ {
+ return std::allocator<this_type>().allocate(1, static_cast<this_type *>(0));
+ }
+
+ void operator delete(void * p)
+ {
+ std::allocator<this_type>().deallocate(static_cast<this_type *>(p), 1);
+ }
+
+#endif
+
+#if defined(BOOST_SP_USE_QUICK_ALLOCATOR)
+
+ void * operator new(std::size_t)
+ {
+ return boost::detail::quick_allocator<this_type>::alloc();
+ }
+
+ void operator delete(void * p)
+ {
+ boost::detail::quick_allocator<this_type>::dealloc(p);
+ }
+
+#endif
+};
+
+#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
+
+int const shared_count_id = 0x2C35F101;
+int const weak_count_id = 0x298C38A4;
+
+#endif
+
+class weak_count;
+
+class shared_count
+{
+//private:
+public:
+ sp_counted_base * pi_;
+
+#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
+ int id_;
+#endif
+
+ friend class weak_count;
+
+public:
+
+ shared_count(): pi_(0) // nothrow
+#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
+ , id_(shared_count_id)
+#endif
+ {
+ }
+
+ template<class P, class D> shared_count(P p, D d): pi_(0)
+#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
+ , id_(shared_count_id)
+#endif
+ {
+#ifndef BOOST_NO_EXCEPTIONS
+
+ try
+ {
+ 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::serialization::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 *,
+ boost::checked_deleter<Y>
+ >(r.get(), boost::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 != 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::serialization::throw_exception(bad_weak_ptr());
+ }
+}
+
+} // namespace detail
+
+} // namespace boost
+
+BOOST_SERIALIZATION_ASSUME_ABSTRACT(boost_132::detail::sp_counted_base)
+
+#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