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Close write-end of daemonpipe in reader to get EOF if the writer

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goes awol.
This commit is contained in:
pooka 2008-12-12 19:56:12 +00:00
parent 710e4c1a30
commit a75f7c7343
1 changed files with 5 additions and 3 deletions
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8
lib/libpuffs/puffs.c
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@ -1,4 +1,4 @@
/* $NetBSD: puffs.c,v 1.94 2008/12/12 19:45:16 pooka Exp $ */
/* $NetBSD: puffs.c,v 1.95 2008/12/12 19:56:12 pooka Exp $ */
/*
* Copyright (c) 2005, 2006, 2007 Antti Kantee. All Rights Reserved.
@ -31,7 +31,7 @@
#include <sys/cdefs.h>
#if !defined(lint)
__RCSID("$NetBSD: puffs.c,v 1.94 2008/12/12 19:45:16 pooka Exp $");
__RCSID("$NetBSD: puffs.c,v 1.95 2008/12/12 19:56:12 pooka Exp $");
#endif /* !lint */
#include <sys/param.h>
@ -428,10 +428,12 @@ puffs_daemon(struct puffs_usermount *pu, int nochdir, int noclose)
pu->pu_state |= PU_PUFFSDAEMON;
if (parent) {
close(pu->pu_dpipe[1]);
n = read(pu->pu_dpipe[0], &value, sizeof(int));
if (n == -1)
err(1, "puffs_daemon");
assert(n == sizeof(value));
if (n != sizeof(value))
errx(1, "puffs_daemon got %d bytes", n);
if (value) {
errno = value;
err(1, "puffs_daemon");