diff options
Diffstat (limited to 'TAO/orbsvcs/orbsvcs/Notify/Refcountable_Guard_T.inl')
| -rw-r--r-- | TAO/orbsvcs/orbsvcs/Notify/Refcountable_Guard_T.inl | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/TAO/orbsvcs/orbsvcs/Notify/Refcountable_Guard_T.inl b/TAO/orbsvcs/orbsvcs/Notify/Refcountable_Guard_T.inl index 21f9b81ce7d..e8a6d882dda 100644 --- a/TAO/orbsvcs/orbsvcs/Notify/Refcountable_Guard_T.inl +++ b/TAO/orbsvcs/orbsvcs/Notify/Refcountable_Guard_T.inl @@ -1,5 +1,7 @@ // $Id$ +#include "ace/Log_Msg.h" + template <class T> ACE_INLINE TAO_Notify_Refcountable_Guard_T<T>::TAO_Notify_Refcountable_Guard_T (T *t) : t_ (t) @@ -56,7 +58,9 @@ TAO_Notify_Refcountable_Guard_T<T>::operator = ( const TAO_Notify_Refcountable_Guard_T<T> & rhs) { // note exception safe assignment. see Sutter's "Exceptional C++" - swap (TAO_Notify_Refcountable_Guard_T<T> (rhs.t_)); + // note it's worth the following optimization to avoid threadsafe increment/decrement refcounters + if (this->t_ != rhs.t_) + swap (TAO_Notify_Refcountable_Guard_T<T> (rhs.t_)); return *this; } @@ -67,5 +71,5 @@ TAO_Notify_Refcountable_Guard_T<T>::swap (TAO_Notify_Refcountable_Guard_T & rhs) { T* pt = rhs.t_; rhs.t_ = this->t_; - this->t_ = rhs.t_; + this->t_ = pt; } |