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livetrax/patches/shared_ptr.patch
Carl Hetherington 9d2873c9f0 Add shared_ptr debugging patch, as I keep losing it. 
git-svn-id: svn://localhost/ardour2/branches/3.0@12038 d708f5d6-7413-0410-9779-e7cbd77b26cf
2012-04-19 21:54:00 +00:00

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--- shared_ptr.hpp.KEEP 2011-02-09 11:54:05.203963701 -0500
+++ shared_ptr.hpp 2011-02-10 08:27:24.643133773 -0500
@@ -55,6 +55,13 @@
# pragma warning(disable:4284) // odd return type for operator->
#endif
+#ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
+void boost_debug_shared_ptr_operator_equals (void const *, void const *, int, void const*, int);
+void boost_debug_shared_ptr_reset (void const *, void const *, int, void const*, int);
+void boost_debug_shared_ptr_destructor (void const *, void const *, int);
+void boost_debug_shared_ptr_constructor (void const *, void const *, int);
+#endif
+
namespace boost
{
@@ -181,12 +188,31 @@
shared_ptr(): px(0), pn() // never throws in 1.30+
{
+#ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
+ boost_debug_shared_ptr_constructor (this, px, use_count());
+#endif
+ }
+
+ ~shared_ptr()
+ {
+#ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
+ boost_debug_shared_ptr_destructor (this, get(), use_count());
+#endif
+ }
+
+ shared_ptr(const shared_ptr<T>& r ) : px (r.px), pn (r.pn) {
+#ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
+ boost_debug_shared_ptr_constructor (this, px, use_count());
+#endif
}
template<class Y>
explicit shared_ptr( Y * p ): px( p ), pn( p ) // Y must be complete
{
boost::detail::sp_enable_shared_from_this( this, p, p );
+#ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
+ boost_debug_shared_ptr_constructor (this, px, use_count());
+#endif
}
//
@@ -197,7 +223,10 @@
template<class Y, class D> shared_ptr(Y * p, D d): px(p), pn(p, d)
{
- boost::detail::sp_enable_shared_from_this( this, p, p );
+ boost::detail::sp_enable_shared_from_this( this, p, p );
+#ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
+ boost_debug_shared_ptr_constructor (this, px, 9249 /*use_count()*/);
+#endif
}
// As above, but with allocator. A's copy constructor shall not throw.
@@ -205,6 +234,9 @@
template<class Y, class D, class A> shared_ptr( Y * p, D d, A a ): px( p ), pn( p, d, a )
{
boost::detail::sp_enable_shared_from_this( this, p, p );
+#ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
+ boost_debug_shared_ptr_constructor (this, px, use_count());
+#endif
}
// generated copy constructor, destructor are fine
@@ -214,6 +246,9 @@
{
// it is now safe to copy r.px, as pn(r.pn) did not throw
px = r.px;
+#ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
+ boost_debug_shared_ptr_constructor (this, px, use_count());
+#endif
}
template<class Y>
@@ -223,6 +258,9 @@
{
px = r.px;
}
+#ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
+ boost_debug_shared_ptr_constructor (this, px, use_count());
+#endif
}
template<class Y>
@@ -237,22 +275,34 @@
#endif
: px( r.px ), pn( r.pn ) // never throws
{
+#ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
+ boost_debug_shared_ptr_constructor (this, px, use_count());
+#endif
}
// aliasing
template< class Y >
shared_ptr( shared_ptr<Y> const & r, T * p ): px( p ), pn( r.pn ) // never throws
{
+#ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
+ boost_debug_shared_ptr_constructor (this, px, use_count());
+#endif
}
template<class Y>
shared_ptr(shared_ptr<Y> const & r, boost::detail::static_cast_tag): px(static_cast<element_type *>(r.px)), pn(r.pn)
{
+#ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
+ boost_debug_shared_ptr_constructor (this, px, use_count());
+#endif
}
template<class Y>
shared_ptr(shared_ptr<Y> const & r, boost::detail::const_cast_tag): px(const_cast<element_type *>(r.px)), pn(r.pn)
{
+#ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
+ boost_debug_shared_ptr_constructor (this, px, use_count());
+#endif
}
template<class Y>
@@ -262,6 +312,9 @@
{
pn = boost::detail::shared_count();
}
+#ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
+ boost_debug_shared_ptr_constructor (this, px, use_count());
+#endif
}
template<class Y>
@@ -271,6 +324,9 @@
{
boost::throw_exception(std::bad_cast());
}
+#ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
+ boost_debug_shared_ptr_constructor (this, px, use_count());
+#endif
}
#ifndef BOOST_NO_AUTO_PTR
@@ -281,6 +337,9 @@
Y * tmp = r.get();
pn = boost::detail::shared_count(r);
boost::detail::sp_enable_shared_from_this( this, tmp, tmp );
+#ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
+ boost_debug_shared_ptr_constructor (this, px, use_count());
+#endif
}
#if !defined( BOOST_NO_SFINAE ) && !defined( BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION )
@@ -291,6 +350,9 @@
typename Ap::element_type * tmp = r.get();
pn = boost::detail::shared_count( r );
boost::detail::sp_enable_shared_from_this( this, tmp, tmp );
+#ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
+ boost_debug_shared_ptr_constructor (this, px, use_count());
+#endif
}
@@ -302,6 +364,9 @@
shared_ptr & operator=( shared_ptr const & r ) // never throws
{
+#ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
+ boost_debug_shared_ptr_operator_equals (this, get(), use_count(), r.get(), r.use_count());
+#endif
this_type(r).swap(*this);
return *this;
}
@@ -311,6 +376,9 @@
template<class Y>
shared_ptr & operator=(shared_ptr<Y> const & r) // never throws
{
+#ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
+ boost_debug_shared_ptr_operator_equals (this, get(), use_count(), r.get(), r.use_count());
+#endif
this_type(r).swap(*this);
return *this;
}
@@ -322,6 +390,9 @@
template<class Y>
shared_ptr & operator=( std::auto_ptr<Y> & r )
{
+#ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
+ boost_debug_shared_ptr_operator_equals (this, get(), use_count(), r.get(), r.use_count());
+#endif
this_type(r).swap(*this);
return *this;
}
@@ -348,6 +419,9 @@
{
pn.swap( r.pn );
r.px = 0;
+#ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
+ boost_debug_shared_ptr_constructor (this, px, use_count());
+#endif
}
template<class Y>
@@ -364,10 +438,16 @@
{
pn.swap( r.pn );
r.px = 0;
+#ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
+ boost_debug_shared_ptr_constructor (this, px, use_count());
+#endif
}
shared_ptr & operator=( shared_ptr && r ) // never throws
{
+#ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
+ boost_debug_shared_ptr_operator_equals (this, get(), use_count(), r.get(), r.use_count());
+#endif
this_type( static_cast< shared_ptr && >( r ) ).swap( *this );
return *this;
}
@@ -375,6 +455,9 @@
template<class Y>
shared_ptr & operator=( shared_ptr<Y> && r ) // never throws
{
+#ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
+ boost_debug_shared_ptr_operator_equals (this, get(), use_count(), r.get(), r.use_count());
+#endif
this_type( static_cast< shared_ptr<Y> && >( r ) ).swap( *this );
return *this;
}
@@ -383,27 +466,42 @@
void reset() // never throws in 1.30+
{
+#ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
+ boost_debug_shared_ptr_reset (this, get(), use_count(), 0, 0);
+#endif
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
+#ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
+ boost_debug_shared_ptr_reset (this, get(), use_count(), p, 0);
+#endif
this_type(p).swap(*this);
}
template<class Y, class D> void reset( Y * p, D d )
{
+#ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
+ boost_debug_shared_ptr_reset (this, get(), use_count(), p, 0);
+#endif
this_type( p, d ).swap( *this );
}
template<class Y, class D, class A> void reset( Y * p, D d, A a )
{
+#ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
+ boost_debug_shared_ptr_reset (this, get(), use_count(), p, 0);
+#endif
this_type( p, d, a ).swap( *this );
}
template<class Y> void reset( shared_ptr<Y> const & r, T * p )
{
+#ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
+ boost_debug_shared_ptr_reset (this, get(), use_count(), r.get(), r.use_count());
+#endif
this_type( r, p ).swap( *this );
}
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