diff options
Diffstat (limited to 'contrib/netbsd-tests/kernel/kqueue/read/t_file2.c')
-rw-r--r-- | contrib/netbsd-tests/kernel/kqueue/read/t_file2.c | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/contrib/netbsd-tests/kernel/kqueue/read/t_file2.c b/contrib/netbsd-tests/kernel/kqueue/read/t_file2.c new file mode 100644 index 0000000..c77d283 --- /dev/null +++ b/contrib/netbsd-tests/kernel/kqueue/read/t_file2.c @@ -0,0 +1,79 @@ +/* $NetBSD: t_file2.c,v 1.3 2010/11/07 17:51:20 jmmv Exp $ */ + +/*- + * Copyright (c) 2002, 2008 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by Jaromir Dolecek. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED + * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#include <sys/cdefs.h> +__COPYRIGHT("@(#) Copyright (c) 2008\ + The NetBSD Foundation, inc. All rights reserved."); +__RCSID("$NetBSD: t_file2.c,v 1.3 2010/11/07 17:51:20 jmmv Exp $"); + +#include <sys/event.h> + +#include <fcntl.h> +#include <unistd.h> + +#include <atf-c.h> + +#include "../../../h_macros.h" + +ATF_TC(file2); +ATF_TC_HEAD(file2, tc) +{ + atf_tc_set_md_var(tc, "descr", + "Checks EVFILT_READ for regular files. This test used to " + "trigger deadlock caused by problem fixed in revision 1.79.2.10 " + "of sys/kern/kern_descrip.c"); +} +ATF_TC_BODY(file2, tc) +{ + int fd1, fd2, kq; + struct kevent event[1]; + + RL(fd1 = open("afile", O_RDONLY|O_CREAT, 0644)); + RL(fd2 = open("bfile", O_RDONLY|O_CREAT, 0644)); + +#if 1 /* XXX: why was this disabled? */ + RL(lseek(fd1, 0, SEEK_END)); +#endif + + RL(kq = kqueue()); + + EV_SET(&event[0], fd1, EVFILT_READ, EV_ADD|EV_ENABLE, 0, 0, 0); + RL(kevent(kq, event, 1, NULL, 0, NULL)); + + RL(dup2(fd2, fd1)); +} + +ATF_TP_ADD_TCS(tp) +{ + ATF_TP_ADD_TC(tp, file2); + + return atf_no_error(); +} |