From bfbedceea0607cc661cd4170f28c2448f39f7b2c Mon Sep 17 00:00:00 2001
From: Gregory Nutt <gnutt@nuttx.org>
Date: Wed, 24 Jan 2018 06:50:20 -0600
Subject: [PATCH] Update some comments.

---
 net/inet/inet_sockif.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/net/inet/inet_sockif.c b/net/inet/inet_sockif.c
index 9ab4be7336e..d9c56ad76d8 100644
--- a/net/inet/inet_sockif.c
+++ b/net/inet/inet_sockif.c
@@ -286,6 +286,10 @@ static sockcaps_t inet_sockcaps(FAR struct socket *psock)
     {
 #ifdef NET_TCP_HAVE_STACK
       case SOCK_STREAM:
+        /* REVISIT:  Non-blocking recv() depends on CONFIG_NET_TCP_READAHEAD,
+         * but non-blocking send() depends on CONFIG_NET_TCP_WRITE_BUFFERS.
+         */
+
 #ifdef CONFIG_NET_TCP_READAHEAD
         return SOCKCAP_NONBLOCKING;
 #else
@@ -295,6 +299,10 @@ static sockcaps_t inet_sockcaps(FAR struct socket *psock)
 
 #ifdef NET_UDP_HAVE_STACK
       case SOCK_DGRAM:
+        /* REVISIT:  Non-blocking recvfrom() depends on CONFIG_NET_UDP_READAHEAD,
+         * but non-blocking sendto() depends on CONFIG_NET_UDP_WRITE_BUFFERS.
+         */
+
 #ifdef CONFIG_NET_UDP_READAHEAD
         return SOCKCAP_NONBLOCKING;
 #else