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-rw-r--r--src/zmq.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/zmq.cpp b/src/zmq.cpp
index a9430d4..80720ae 100644
--- a/src/zmq.cpp
+++ b/src/zmq.cpp
@@ -315,7 +315,8 @@ int zmq_send (void *s_, zmq_msg_t *msg_, int flags_)
int zmq_flush (void *s_)
{
- return (((zmq::socket_base_t*) s_)->flush ());
+ errno = ENOTSUP;
+ return -1;
}
int zmq_recv (void *s_, zmq_msg_t *msg_, int flags_)