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Add BOOST_SP_NOEXCEPT to sp_counted_base_clang.hpp

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Peter Dimov
2019-01-28 20:52:28 +02:00
parent 51d8167fbf
commit 053779f3ee
1 changed files with 17 additions and 16 deletions
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33
include/boost/smart_ptr/detail/sp_counted_base_clang.hpp
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@@ -16,6 +16,7 @@
// http://www.boost.org/LICENSE_1_0.txt // http://www.boost.org/LICENSE_1_0.txt
#include <boost/detail/sp_typeinfo.hpp> #include <boost/detail/sp_typeinfo.hpp>
#include <boost/smart_ptr/detail/sp_noexcept.hpp>
#include <boost/config.hpp> #include <boost/config.hpp>
#include <boost/cstdint.hpp> #include <boost/cstdint.hpp>
@@ -27,17 +28,17 @@ namespace detail
typedef _Atomic( boost::int_least32_t ) atomic_int_least32_t; typedef _Atomic( boost::int_least32_t ) atomic_int_least32_t;
inline void atomic_increment( atomic_int_least32_t * pw ) inline void atomic_increment( atomic_int_least32_t * pw ) BOOST_SP_NOEXCEPT
{ {
__c11_atomic_fetch_add( pw, 1, __ATOMIC_RELAXED ); __c11_atomic_fetch_add( pw, 1, __ATOMIC_RELAXED );
} }
inline boost::int_least32_t atomic_decrement( atomic_int_least32_t * pw ) inline boost::int_least32_t atomic_decrement( atomic_int_least32_t * pw ) BOOST_SP_NOEXCEPT
{ {
return __c11_atomic_fetch_sub( pw, 1, __ATOMIC_ACQ_REL ); return __c11_atomic_fetch_sub( pw, 1, __ATOMIC_ACQ_REL );
} }
inline boost::int_least32_t atomic_conditional_increment( atomic_int_least32_t * pw ) inline boost::int_least32_t atomic_conditional_increment( atomic_int_least32_t * pw ) BOOST_SP_NOEXCEPT
{ {
// long r = *pw; // long r = *pw;
// if( r != 0 ) ++*pw; // if( r != 0 ) ++*pw;
@@ -76,43 +77,43 @@ private:
public: public:
sp_counted_base() sp_counted_base() BOOST_SP_NOEXCEPT
{ {
__c11_atomic_init( &use_count_, 1 ); __c11_atomic_init( &use_count_, 1 );
__c11_atomic_init( &weak_count_, 1 ); __c11_atomic_init( &weak_count_, 1 );
} }
virtual ~sp_counted_base() // nothrow virtual ~sp_counted_base() /*BOOST_SP_NOEXCEPT*/
{ {
} }
// dispose() is called when use_count_ drops to zero, to release // dispose() is called when use_count_ drops to zero, to release
// the resources managed by *this. // the resources managed by *this.
virtual void dispose() = 0; // nothrow virtual void dispose() BOOST_SP_NOEXCEPT = 0; // nothrow
// destroy() is called when weak_count_ drops to zero. // destroy() is called when weak_count_ drops to zero.
virtual void destroy() // nothrow virtual void destroy() BOOST_SP_NOEXCEPT // nothrow
{ {
delete this; delete this;
} }
virtual void * get_deleter( sp_typeinfo const & ti ) = 0; virtual void * get_deleter( sp_typeinfo const & ti ) BOOST_SP_NOEXCEPT = 0;
virtual void * get_local_deleter( sp_typeinfo const & ti ) = 0; virtual void * get_local_deleter( sp_typeinfo const & ti ) BOOST_SP_NOEXCEPT = 0;
virtual void * get_untyped_deleter() = 0; virtual void * get_untyped_deleter() BOOST_SP_NOEXCEPT = 0;
void add_ref_copy() void add_ref_copy() BOOST_SP_NOEXCEPT
{ {
atomic_increment( &use_count_ ); atomic_increment( &use_count_ );
} }
bool add_ref_lock() // true on success bool add_ref_lock() BOOST_SP_NOEXCEPT // true on success
{ {
return atomic_conditional_increment( &use_count_ ) != 0; return atomic_conditional_increment( &use_count_ ) != 0;
} }
void release() // nothrow void release() BOOST_SP_NOEXCEPT
{ {
if( atomic_decrement( &use_count_ ) == 1 ) if( atomic_decrement( &use_count_ ) == 1 )
{ {
@@ -121,12 +122,12 @@ public:
} }
} }
void weak_add_ref() // nothrow void weak_add_ref() BOOST_SP_NOEXCEPT
{ {
atomic_increment( &weak_count_ ); atomic_increment( &weak_count_ );
} }
void weak_release() // nothrow void weak_release() BOOST_SP_NOEXCEPT
{ {
if( atomic_decrement( &weak_count_ ) == 1 ) if( atomic_decrement( &weak_count_ ) == 1 )
{ {
@@ -134,7 +135,7 @@ public:
} }
} }
long use_count() const // nothrow long use_count() const BOOST_SP_NOEXCEPT
{ {
return __c11_atomic_load( const_cast< atomic_int_least32_t* >( &use_count_ ), __ATOMIC_ACQUIRE ); return __c11_atomic_load( const_cast< atomic_int_least32_t* >( &use_count_ ), __ATOMIC_ACQUIRE );
} }