From 8f4902956168cf0a76ca40747bf0c9068e2824bf Mon Sep 17 00:00:00 2001
From: Paul Smith <psmith@gnu.org>
Date: Sat, 24 Sep 2022 18:31:51 -0400
Subject: [PATCH] * src/posixos.c (osync_clear): Don't close invalid FDs.

---
 src/posixos.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/posixos.c b/src/posixos.c
index 8693b74e..d587f9c8 100644
--- a/src/posixos.c
+++ b/src/posixos.c
@@ -668,7 +668,7 @@ osync_parse_mutex (const char *mutex)
 void
 osync_clear ()
 {
-  if (osync_handle)
+  if (osync_handle >= 0)
     {
       close (osync_handle);
       osync_handle = -1;