diff options
| -rw-r--r-- | src/ypipe.hpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/ypipe.hpp b/src/ypipe.hpp index 26f021c..1785b71 100644 --- a/src/ypipe.hpp +++ b/src/ypipe.hpp @@ -127,7 +127,7 @@ namespace zmq inline bool check_read () { // Was the value prefetched already? If so, return. - if (&queue.front () != r) + if (&queue.front () != r && r) return true; // There's no prefetched value, so let us prefetch more values. |