From 80b7394a950c224e64d7d7e3330b275830da961a Mon Sep 17 00:00:00 2001
From: "chao.an" <anchao@xiaomi.com>
Date: Mon, 7 Jun 2021 11:12:12 +0800
Subject: [PATCH] sys/poll: add POLLRDHUP definition

Change-Id: I1117279d9a620138789256d699ae32d47eab3a90
Signed-off-by: chao.an <anchao@xiaomi.com>
---
 include/sys/poll.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/sys/poll.h b/include/sys/poll.h
index b0b784d70c..015874fb1c 100644
--- a/include/sys/poll.h
+++ b/include/sys/poll.h
@@ -74,6 +74,7 @@
 
 #define POLLERR      (0x08)
 #define POLLHUP      (0x10)
+#define POLLRDHUP    (0x10)  /* NuttX does not support shutdown(fd, SHUT_RD) */
 #define POLLNVAL     (0x20)
 
 #define POLLFD       (0x00)