1 /* $NetBSD: t_file2.c,v 1.4 2017/01/13 21:30:41 christos Exp $ */ 2 3 /*- 4 * Copyright (c) 2002, 2008 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jaromir Dolecek. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 __COPYRIGHT("@(#) Copyright (c) 2008\ 34 The NetBSD Foundation, inc. All rights reserved."); 35 __RCSID("$NetBSD: t_file2.c,v 1.4 2017/01/13 21:30:41 christos Exp $"); 36 37 #include <sys/event.h> 38 39 #include <fcntl.h> 40 #include <unistd.h> 41 42 #include <atf-c.h> 43 44 #include "h_macros.h" 45 46 ATF_TC(file2); 47 ATF_TC_HEAD(file2, tc) 48 { 49 atf_tc_set_md_var(tc, "descr", 50 "Checks EVFILT_READ for regular files. This test used to " 51 "trigger deadlock caused by problem fixed in revision 1.79.2.10 " 52 "of sys/kern/kern_descrip.c"); 53 } 54 ATF_TC_BODY(file2, tc) 55 { 56 int fd1, fd2, kq; 57 struct kevent event[1]; 58 59 RL(fd1 = open("afile", O_RDONLY|O_CREAT, 0644)); 60 RL(fd2 = open("bfile", O_RDONLY|O_CREAT, 0644)); 61 62 #if 1 /* XXX: why was this disabled? */ 63 RL(lseek(fd1, 0, SEEK_END)); 64 #endif 65 66 RL(kq = kqueue()); 67 68 EV_SET(&event[0], fd1, EVFILT_READ, EV_ADD|EV_ENABLE, 0, 0, 0); 69 RL(kevent(kq, event, 1, NULL, 0, NULL)); 70 71 RL(dup2(fd2, fd1)); 72 } 73 74 ATF_TP_ADD_TCS(tp) 75 { 76 ATF_TP_ADD_TC(tp, file2); 77 78 return atf_no_error(); 79 } 80