80 lines
2.5 KiB
C
80 lines
2.5 KiB
C
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/* $NetBSD: t_file2.c,v 1.3 2010/11/07 17:51:20 jmmv Exp $ */
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/*-
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* Copyright (c) 2002, 2008 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Jaromir Dolecek.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__COPYRIGHT("@(#) Copyright (c) 2008\
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The NetBSD Foundation, inc. All rights reserved.");
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__RCSID("$NetBSD: t_file2.c,v 1.3 2010/11/07 17:51:20 jmmv Exp $");
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#include <sys/event.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <atf-c.h>
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#include "../../../h_macros.h"
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ATF_TC(file2);
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ATF_TC_HEAD(file2, tc)
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{
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atf_tc_set_md_var(tc, "descr",
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"Checks EVFILT_READ for regular files. This test used to "
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"trigger deadlock caused by problem fixed in revision 1.79.2.10 "
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"of sys/kern/kern_descrip.c");
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}
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ATF_TC_BODY(file2, tc)
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{
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int fd1, fd2, kq;
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struct kevent event[1];
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RL(fd1 = open("afile", O_RDONLY|O_CREAT, 0644));
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RL(fd2 = open("bfile", O_RDONLY|O_CREAT, 0644));
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#if 1 /* XXX: why was this disabled? */
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RL(lseek(fd1, 0, SEEK_END));
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#endif
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RL(kq = kqueue());
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EV_SET(&event[0], fd1, EVFILT_READ, EV_ADD|EV_ENABLE, 0, 0, 0);
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RL(kevent(kq, event, 1, NULL, 0, NULL));
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RL(dup2(fd2, fd1));
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}
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ATF_TP_ADD_TCS(tp)
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{
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ATF_TP_ADD_TC(tp, file2);
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return atf_no_error();
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}
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