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prevent hang on vnode EOF.

This commit is contained in:
christos 2017-05-09 21:17:54 +00:00
parent 518a4ef5c5
commit ab25bee7cd
1 changed files with 9 additions and 2 deletions
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11
sbin/mount_portal/puffs_portal.c
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@ -1,4 +1,4 @@
/* $NetBSD: puffs_portal.c,v 1.7 2012/11/04 22:30:23 christos Exp $ */
/* $NetBSD: puffs_portal.c,v 1.8 2017/05/09 21:17:54 christos Exp $ */
/*
* Copyright (c) 2007 Antti Kantee. All Rights Reserved.
@ -28,7 +28,7 @@
#include <sys/cdefs.h>
#ifndef lint
__RCSID("$NetBSD: puffs_portal.c,v 1.7 2012/11/04 22:30:23 christos Exp $");
__RCSID("$NetBSD: puffs_portal.c,v 1.8 2017/05/09 21:17:54 christos Exp $");
#endif /* !lint */
#include <sys/types.h>
@ -180,6 +180,13 @@ readdata(struct puffs_framebuf *pufbuf, int fd, int *done)
do {
n = read(fd, buf, MIN(sizeof(buf), max));
if (n == 0) {
/*
* Deal with EOF here by closing the file descriptor
* and thus causing an error on subsequent accesses.
* This is the last kevent notification we are going
* to be getting for regular files.
*/
close(fd);
if (moved)
break;
else