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_internal_accept_owner now checks if _owned isn't already true.

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[SVN r43856]
This commit is contained in:
Peter Dimov
2008-03-25 15:46:40 +00:00
parent af7d4fabad
commit dc6a8f0696
2 changed files with 24 additions and 4 deletions
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16
include/boost/enable_shared_from_this.hpp
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@ -94,10 +94,18 @@ public:
void _internal_accept_owner(shared_ptr<U> &owner) const void _internal_accept_owner(shared_ptr<U> &owner) const
{ {
init_internal_shared_once(); init_internal_shared_once();
get_deleter<detail::sp_deleter_wrapper>(_internal_shared_this)->set_deleter(owner);
owner.reset( _internal_shared_this, owner.get() ); if( !_owned )
_internal_shared_this.reset(); {
_owned = true; detail::sp_deleter_wrapper * pd = get_deleter<detail::sp_deleter_wrapper>(_internal_shared_this);
BOOST_ASSERT( pd != 0 );
pd->set_deleter(owner);
owner.reset( _internal_shared_this, owner.get() );
_internal_shared_this.reset();
_owned = true;
}
} }
}; };

12
test/esft_regtest.cpp
View File

@ -162,11 +162,23 @@ void test3()
BOOST_TEST( pv.get() == p ); BOOST_TEST( pv.get() == p );
} }
struct null_deleter
{
void operator()( void const* ) const {}
};
void test4()
{
boost::shared_ptr<V> pv( new V );
boost::shared_ptr<V> pv2( pv.get(), null_deleter() );
}
int main() int main()
{ {
test(); test();
test2(); test2();
test3(); test3();
test4();
return boost::report_errors(); return boost::report_errors();
} }