1 /* $NetBSD: t_proc3.c,v 1.3 2017/01/13 21:30:41 christos Exp $ */ 2 3 /*- 4 * Copyright (c) 2012 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Joerg Sonnenberger. 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 __RCSID("$NetBSD: t_proc3.c,v 1.3 2017/01/13 21:30:41 christos Exp $"); 34 35 #include <sys/event.h> 36 #include <sys/time.h> 37 #include <sys/types.h> 38 #include <sys/wait.h> 39 40 #include <err.h> 41 #include <pwd.h> 42 #include <stdio.h> 43 #include <stdlib.h> 44 #include <unistd.h> 45 46 #include <atf-c.h> 47 48 #include "h_macros.h" 49 50 ATF_TC(proc3); 51 ATF_TC_HEAD(proc3, tc) 52 { 53 atf_tc_set_md_var(tc, "descr", 54 "Checks EVFILT_PROC for NOTE_TRACK on self bug "); 55 } 56 57 ATF_TC_BODY(proc3, tc) 58 { 59 pid_t pid = 0; 60 int kq, status; 61 struct kevent ke; 62 struct timespec timeout; 63 64 RL(kq = kqueue()); 65 66 EV_SET(&ke, (uintptr_t)getpid(), EVFILT_PROC, EV_ADD, NOTE_TRACK, 0, 0); 67 68 RL(kevent(kq, &ke, 1, NULL, 0, NULL)); 69 70 RL(pid = fork()); 71 if (pid == 0) { 72 _exit(EXIT_SUCCESS); 73 /* NOTREACHED */ 74 } 75 76 RL(waitpid(pid, &status, 0)); 77 ATF_REQUIRE(WIFEXITED(status)); 78 ATF_REQUIRE_EQ(WEXITSTATUS(status), EXIT_SUCCESS); 79 80 timeout.tv_sec = 0; 81 timeout.tv_nsec = 0; 82 ke.ident = 0; 83 ke.fflags = 0; 84 ke.flags = EV_ENABLE; 85 86 RL(kevent(kq, NULL, 0, &ke, 1, &timeout)); 87 RL(close(kq)); 88 89 ATF_REQUIRE(ke.fflags & NOTE_CHILD); 90 ATF_REQUIRE((ke.fflags & NOTE_TRACKERR) == 0); 91 ATF_REQUIRE_EQ((pid_t)ke.ident, pid); 92 } 93 94 ATF_TP_ADD_TCS(tp) 95 { 96 ATF_TP_ADD_TC(tp, proc3); 97 98 return atf_no_error(); 99 } 100