From 7cb61821b9d1ef399cc8261b159a6d92af0ceae2 Mon Sep 17 00:00:00 2001
From: Michael Kerrisk <mtk.manpages@gmail.com>
Date: Fri, 17 Jul 2020 09:13:31 +0200
Subject: [PATCH] pidfd_open.2: Close the pidfd in EXAMPLE

Close the PID file descriptor in the example program, to hint to
the reader that like every other kind of file descriptor, a PID FD
should be closed.

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
---
 man2/pidfd_open.2 | 1 +
 1 file changed, 1 insertion(+)

diff --git a/man2/pidfd_open.2 b/man2/pidfd_open.2
index 1776700b0..dc5232760 100644
--- a/man2/pidfd_open.2
+++ b/man2/pidfd_open.2
@@ -256,6 +256,7 @@ main(int argc, char *argv[])
     printf("Events (0x%x): POLLIN is %sset\en", pollfd.revents,
             (pollfd.revents & POLLIN) ? "" : "not ");
 
+    close(pidfd);
     exit(EXIT_SUCCESS);
 }
 .fi