From 7503f7bf330901dd290fb48bcdaff2b27e39377f Mon Sep 17 00:00:00 2001
From: zhangshoukui <zhangshoukui@xiaomi.com>
Date: Wed, 5 Jun 2024 11:01:04 +0800
Subject: [PATCH] popen: Replace fcntl with ioctl

The fcntl interface sets the O_CLOEXEC property by calling the ioctl interface. Let's call the ioctl interface directly.

Signed-off-by: zhangshoukui <zhangshoukui@xiaomi.com>
---
 system/popen/popen.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/system/popen/popen.c b/system/popen/popen.c
index 254f86ae6..a873f3864 100644
--- a/system/popen/popen.c
+++ b/system/popen/popen.c
@@ -25,6 +25,7 @@
 #include <nuttx/config.h>
 
 #include <sys/wait.h>
+#include <sys/ioctl.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>
@@ -322,7 +323,7 @@ FILE *popen(FAR const char *command, FAR const char *mode)
 
   if (strchr(mode, 'e') == NULL)
     {
-      fcntl(retfd, F_SETFD, 0);
+      ioctl(retfd, FIOCLEX, 0);
     }
 
   /* Finale and return input input/output stream */