From 2028539cb168d652dfa77e5b85b382c319b3a99a Mon Sep 17 00:00:00 2001
From: Bart Schaefer <schaefer@zsh.org>
Date: Fri, 9 Dec 2022 19:30:35 -0800
Subject: 51161: correct errno after closing xtrace FD

---
 Src/exec.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'Src/exec.c')

diff --git a/Src/exec.c b/Src/exec.c
index 1810fca5e..a1059af5e 100644
--- a/Src/exec.c
+++ b/Src/exec.c
@@ -4336,10 +4336,13 @@ execcmd_exec(Estate state, Execcmd_params eparams,
 	}
     }
     if (newxtrerr) {
+	int eno = errno;
 	fil = fileno(newxtrerr);
 	fclose(newxtrerr);
 	xtrerr = oxtrerr;
+	/* Call zclose() to clean up internal tables, ignore EBADF */
 	zclose(fil);
+	errno = eno;
     }
 
     zsfree(STTYval);
-- 
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