From cbcaedf3699619739f33c3671d0dcb8b97847b92 Mon Sep 17 00:00:00 2001
From: Thomas de Zeeuw <thomasdezeeuw@gmail.com>
Date: Sat, 12 Jun 2021 20:39:12 +0200
Subject: [PATCH] Set FD_CLOEXEC flag on duplicated kqueue Poll

Same as commit c52635c76a59be28d0bf287a0bad6d6871a2e36c, but for kqueue.
---
 src/sys/unix/selector/kqueue.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/sys/unix/selector/kqueue.rs b/src/sys/unix/selector/kqueue.rs
index 34f534028..c5b337bca 100644
--- a/src/sys/unix/selector/kqueue.rs
+++ b/src/sys/unix/selector/kqueue.rs
@@ -87,7 +87,7 @@ impl Selector {
     }
 
     pub fn try_clone(&self) -> io::Result<Selector> {
-        syscall!(dup(self.kq)).map(|kq| Selector {
+        syscall!(fcntl(self.kq, libc::F_DUPFD_CLOEXEC)).map(|kq| Selector {
             // It's the same selector, so we use the same id.
             #[cfg(debug_assertions)]
             id: self.id,