diff options
| -rw-r--r-- | indra/llcommon/llthreadsafequeue.h | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/indra/llcommon/llthreadsafequeue.h b/indra/llcommon/llthreadsafequeue.h index c57520c01f..1dffad6b89 100644 --- a/indra/llcommon/llthreadsafequeue.h +++ b/indra/llcommon/llthreadsafequeue.h @@ -191,9 +191,11 @@ protected: template <typename T> bool push_(lock_t& lock, T&& element); // while lock is locked, really pop the head element, if we can + bool pop_(lock_t& lock, ElementT& element); + // pop_() with an explicit predicate indicating whether the head element + // is ready to be popped template <typename PRED> - bool pop_(lock_t& lock, ElementT& element, - PRED&& pred=[](const ElementT&){ return true; }); + bool pop_(lock_t& lock, ElementT& element, PRED&& pred); }; /***************************************************************************** @@ -385,6 +387,16 @@ bool LLThreadSafeQueue<ElementT, QueueT>::tryPushUntil( // while lock is locked, really pop the head element, if we can template <typename ElementT, typename QueueT> +bool LLThreadSafeQueue<ElementT, QueueT>::pop_(lock_t& lock, ElementT& element) +{ + // default predicate: head element, if present, is always ready to pop + return pop_(lock, element, [](const ElementT&){ return true; }); +} + + +// pop_() with an explicit predicate indicating whether the head element +// is ready to be popped +template <typename ElementT, typename QueueT> template <typename PRED> bool LLThreadSafeQueue<ElementT, QueueT>::pop_( lock_t& lock, ElementT& element, PRED&& pred) |