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-rw-r--r--include/zmq.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/zmq.h b/include/zmq.h
index e860146..9745adf 100644
--- a/include/zmq.h
+++ b/include/zmq.h
@@ -144,6 +144,7 @@ ZMQ_EXPORT size_t zmq_msg_size (zmq_msg_t *msg);
/* 0MQ infrastructure (a.k.a. context) initialisation & termination. */
/******************************************************************************/
+/* This flag is obsolete and has no effect. To be removed in next version. */
#define ZMQ_POLL 1
ZMQ_EXPORT void *zmq_init (int app_threads, int io_threads, int flags);