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add O_CLOEXEC

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christos 2021-02-17 21:09:39 +00:00
parent 394b9005c2
commit af632fea2b
1 changed files with 4 additions and 3 deletions
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7
usr.bin/mail/dotlock.c
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@ -1,4 +1,4 @@
/* $NetBSD: dotlock.c,v 1.13 2015/07/04 22:45:08 christos Exp $ */
/* $NetBSD: dotlock.c,v 1.14 2021/02/17 21:09:39 christos Exp $ */
/*
* Copyright (c) 1996 Christos Zoulas. All rights reserved.
@ -26,7 +26,7 @@
#include <sys/cdefs.h>
#ifndef lint
__RCSID("$NetBSD: dotlock.c,v 1.13 2015/07/04 22:45:08 christos Exp $");
__RCSID("$NetBSD: dotlock.c,v 1.14 2021/02/17 21:09:39 christos Exp $");
#endif
#include "rcv.h"
@ -81,7 +81,8 @@ create_exclusive(const char *fname)
* We try to create the unique filename.
*/
for (ntries = 0; ; ntries++) {
fd = open(path, O_WRONLY|O_CREAT|O_TRUNC|O_EXCL|O_SYNC, 0);
fd = open(path,
O_WRONLY|O_CREAT|O_TRUNC|O_EXCL|O_SYNC|O_CLOEXEC, 0);
if (fd != -1) {
(void)close(fd);
break;