From 96b7677ddc8e49da045ca770703df065f10db280 Mon Sep 17 00:00:00 2001
From: Nathan Kent <nate@nkent.net>
Date: Wed, 25 Sep 2019 18:46:38 -0400
Subject: Add option for preferring new messages on SUB0

---
 docs/man/nng_sub.7.adoc | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'docs/man/nng_sub.7.adoc')

diff --git a/docs/man/nng_sub.7.adoc b/docs/man/nng_sub.7.adoc
index cd9af727..aef1a9e4 100644
--- a/docs/man/nng_sub.7.adoc
+++ b/docs/man/nng_sub.7.adoc
@@ -73,6 +73,13 @@ TIP: To receive all messages, an empty topic (zero length) can be used.
    Note that if the topic was not previously subscribed to with
    `NNG_OPT_SUB_SUBSCRIBE` then an `NNG_ENOENT` error will result.
 
+((`NNG_OPT_SUB_PREFNEW`))::
+
+   (`bool`)
+   This read/write option specifies the behavior of the subscriber when the queue is full.
+   When `true` (the default), the subscriber will make room in the queue by removing the oldest message.
+   When `false`, the subscriber will reject messages if the message queue does not have room.
+
 === Protocol Headers
 
 The _sub_ protocol has no protocol-specific headers.
-- 
cgit v1.2.3-70-g09d2

