From: Karel Zak <kzak@redhat.com>
Date: Thu, 14 Nov 2013 13:38:06 +0000 (+0100)
Subject: script: restore errno in signal handler
X-Git-Tag: v2.25-rc1~733
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=185b1bc7f4efdbca3d40465b85590d000df0f528;p=thirdparty%2Futil-linux.git

script: restore errno in signal handler

References: https://plus.google.com/+LennartPoetteringTheOneAndOnly/posts/gHSscCJkakd
Signed-off-by: Karel Zak <kzak@redhat.com>
---

diff --git a/term-utils/script.c b/term-utils/script.c
index a0cad8cbc2..1de0c3a816 100644
--- a/term-utils/script.c
+++ b/term-utils/script.c
@@ -327,12 +327,15 @@ void
 finish(int dummy __attribute__ ((__unused__))) {
 	int status;
 	pid_t pid;
+	int errsv = errno;
 
 	while ((pid = wait3(&status, WNOHANG, 0)) > 0)
 		if (pid == child) {
 			childstatus = status;
 			die = 1;
 		}
+
+	errno = errsv;
 }
 
 void