From fbf64f9d9addb60153732298ec7e9bf592831bf2 Mon Sep 17 00:00:00 2001
From: Miloslav Trmac <mitr@fedoraproject.org>
Date: Wed, 27 Aug 2014 13:29:02 +0200
Subject: [PATCH 01/14] Do not close sockets

orig dist-git commit: f02674e96a7888a7322611b45f6b63a1f5db0fef
---
 sh.misc.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/sh.misc.c b/sh.misc.c
index 08ec30d..08d110f 100644
--- a/sh.misc.c
+++ b/sh.misc.c
@@ -257,6 +257,7 @@ void
 closem(void)
 {
     int f, num_files;
+    struct stat st;
 
 #ifdef NLS_BUGS
 #ifdef NLS_CATALOGS
@@ -274,6 +275,16 @@ closem(void)
 #ifdef MALLOC_TRACE
 	    && f != 25
 #endif /* MALLOC_TRACE */
+#ifdef S_ISSOCK
+           /* NSS modules (e.g. Linux nss_ldap) might keep sockets open.
+            * If we close such a socket, both the NSS module and tcsh think
+            * they "own" the descriptor.
+            *
+            * Not closing sockets does not make the cleanup use of closem()
+            * less reliable because tcsh never creates sockets.
+            */
+           && fstat(f, &st) == 0 && !S_ISSOCK(st.st_mode)
+#endif
 	    )
 	  {
 	    xclose(f);
-- 
1.9.3