From 6ad118192332934d5d1e9985a3e46dfa0ecd34e3 Mon Sep 17 00:00:00 2001
From: ligd <liguiding1@xiaomi.com>
Date: Tue, 29 Dec 2020 17:25:04 +0800
Subject: [PATCH] serial: should include <signal.h> explicitly

Change-Id: I20260ad3bcceb30207c9c12041dd95de41e13777
Signed-off-by: ligd <liguiding1@xiaomi.com>
---
 drivers/serial/serial_dma.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/serial/serial_dma.c b/drivers/serial/serial_dma.c
index b3915c0121..87010543f9 100644
--- a/drivers/serial/serial_dma.c
+++ b/drivers/serial/serial_dma.c
@@ -42,6 +42,7 @@
 #include <sys/types.h>
 #include <stdint.h>
 #include <debug.h>
+#include <signal.h>
 
 #include <nuttx/serial/serial.h>