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t_proc3.c revision 1.1 
      1 /* $NetBSD: t_proc3.c,v 1.1 2012/11/17 21:55:24 joerg 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 1.1 2012/11/17 21:55:24 joerg 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, 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