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set MSG_CMSG_CLOEXEC when receiving file descriptors.

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All file descriptors opened via priv_open_device() can benefit of
the close-on-exec flag.
ok kettenis@.
This commit is contained in:
matthieu
2018-08-06 20:11:34 +00:00
parent 857c4a5264
commit d9aef29941
1 changed files with 2 additions and 2 deletions
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4
xserver/os/privsep.c
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@@ -1,4 +1,4 @@
/* $OpenBSD: privsep.c,v 1.28 2015/11/11 21:07:49 matthieu Exp $ */
/* $OpenBSD: privsep.c,v 1.29 2018/08/06 20:11:34 matthieu Exp $ */
/*
* Copyright 2001 Niels Provos <provos@citi.umich.edu>
* All rights reserved.
@@ -207,7 +207,7 @@ receive_fd(int s)
msg.msg_controllen = sizeof(cmsgbuf.buf);
do
n = recvmsg(s, &msg, 0);
n = recvmsg(s, &msg, MSG_CMSG_CLOEXEC);
while (n == -1 && errno == EINTR);
if (n != sizeof(int)) {