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Avoid memcpy over a spinlock, because g++ 8 warns

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This commit is contained in:
Peter Dimov
2019-04-22 02:17:28 +03:00
parent 7c76fb385d
commit 2122c7753c
1 changed files with 7 additions and 2 deletions
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9
include/boost/smart_ptr/atomic_shared_ptr.hpp
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@ -63,6 +63,11 @@ public:
{ {
} }
atomic_shared_ptr( shared_ptr<T> p ) BOOST_SP_NOEXCEPT
: p_( std::move( p ) ), l_ BOOST_DETAIL_SPINLOCK_INIT
{
}
#else #else
atomic_shared_ptr() BOOST_SP_NOEXCEPT atomic_shared_ptr() BOOST_SP_NOEXCEPT
@ -71,8 +76,6 @@ public:
std::memcpy( &l_, &init, sizeof( init ) ); std::memcpy( &l_, &init, sizeof( init ) );
} }
#endif
atomic_shared_ptr( shared_ptr<T> p ) BOOST_SP_NOEXCEPT atomic_shared_ptr( shared_ptr<T> p ) BOOST_SP_NOEXCEPT
#if !defined( BOOST_NO_CXX11_RVALUE_REFERENCES ) #if !defined( BOOST_NO_CXX11_RVALUE_REFERENCES )
: p_( std::move( p ) ) : p_( std::move( p ) )
@ -84,6 +87,8 @@ public:
std::memcpy( &l_, &init, sizeof( init ) ); std::memcpy( &l_, &init, sizeof( init ) );
} }
#endif
atomic_shared_ptr& operator=( shared_ptr<T> r ) BOOST_SP_NOEXCEPT atomic_shared_ptr& operator=( shared_ptr<T> r ) BOOST_SP_NOEXCEPT
{ {
boost::detail::spinlock::scoped_lock lock( l_ ); boost::detail::spinlock::scoped_lock lock( l_ );