From: Guido van Rossum <guido@python.org>
Date: Tue, 7 Oct 1997 14:37:31 +0000 (+0000)
Subject: Be more careful with closing fd's 0,1,2.
X-Git-Tag: v1.5a4~57
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=d6449a2b118c26c9e322ebd6aeaf567896fdcd78;p=python

Be more careful with closing fd's 0,1,2.
---

diff --git a/Demo/tkinter/guido/ShellWindow.py b/Demo/tkinter/guido/ShellWindow.py
index 0b59daacbf..98fe30f70d 100755
--- a/Demo/tkinter/guido/ShellWindow.py
+++ b/Demo/tkinter/guido/ShellWindow.py
@@ -110,9 +110,11 @@ def spawn(prog, args):
 	pid = os.fork()
 	if pid == 0:
 		# Child
-		os.close(0)
-		os.close(1)
-		os.close(2)
+		for i in 0, 1, 2:
+		    try:
+			os.close(i)
+		    except os.error:
+			pass
 		if os.dup(p2cread) <> 0:
 			sys.stderr.write('popen2: bad read dup\n')
 		if os.dup(c2pwrite) <> 1: