From 3277f1b7fe53cbaf94a0acfb4c91146517cb23b0 Mon Sep 17 00:00:00 2001
From: Simon Cozens <simon@netthink.co.uk>
Date: Wed, 10 Jan 2001 18:39:35 +0000
Subject: [PATCH] Fix my_pclose segfault Message-ID:
 <20010110183934.A25640@pembro26.pmb.ox.ac.uk>

p4raw-id: //depot/perl@8391
---
 util.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/util.c b/util.c
index 1261b98..c9174fe 100644
--- a/util.c
+++ b/util.c
@@ -2663,7 +2663,9 @@ Perl_my_pclose(pTHX_ PerlIO *ptr)
     LOCK_FDPID_MUTEX;
     svp = av_fetch(PL_fdpid,PerlIO_fileno(ptr),TRUE);
     UNLOCK_FDPID_MUTEX;
-    pid = SvIVX(*svp);
+    pid = SvIV(*svp);
+    if (!pid)
+        return 0;
     SvREFCNT_dec(*svp);
     *svp = &PL_sv_undef;
 #ifdef OS2
-- 
2.7.4