[src/tls-maxphys]: src/tests/kernel/kqueue Unbreak the NOTE_TRACK event of EV...

[joerg <joerg%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/38213047fd99
branches:  tls-maxphys
changeset: 852960:38213047fd99
user:      joerg <joerg%NetBSD.org@localhost>
date:      Sat Nov 17 21:55:25 2012 +0000

description:
Unbreak the NOTE_TRACK event of EVFILT_PROC. When attaching to the child
process, proc_find can't be used as the child is still in state SIDL.

diffstat:

 tests/kernel/kqueue/t_proc3.c |  99 +++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 99 insertions(+), 0 deletions(-)

diffs (103 lines):

diff -r dc2cfb64f4a6 -r 38213047fd99 tests/kernel/kqueue/t_proc3.c
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/kernel/kqueue/t_proc3.c     Sat Nov 17 21:55:25 2012 +0000
@@ -0,0 +1,99 @@
+/* $NetBSD: t_proc3.c,v 1.1.2.2 2012/11/17 21:55:25 joerg Exp $ */
+
+/*-
+ * Copyright (c) 2012 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Joerg Sonnenberger.
+ *
+ * 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>
+__RCSID("$NetBSD: t_proc3.c,v 1.1.2.2 2012/11/17 21:55:25 joerg Exp $");
+
+#include <sys/event.h>
+#include <sys/time.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+
+#include <err.h>
+#include <pwd.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#include <atf-c.h>
+
+#include "../../h_macros.h"
+
+ATF_TC(proc3);
+ATF_TC_HEAD(proc3, tc)
+{
+       atf_tc_set_md_var(tc, "descr",
+           "Checks EVFILT_PROC for NOTE_TRACK on self bug ");
+}
+
+ATF_TC_BODY(proc3, tc)
+{
+       pid_t pid = 0;
+       int kq, status;
+       struct kevent ke;
+       struct timespec timeout;
+
+       RL(kq = kqueue());
+
+       EV_SET(&ke, getpid(), EVFILT_PROC, EV_ADD, NOTE_TRACK, 0, 0);
+
+       RL(kevent(kq, &ke, 1, NULL, 0, NULL));
+
+       RL(pid = fork());
+       if (pid == 0) {
+               _exit(EXIT_SUCCESS);
+               /* NOTREACHED */
+       }
+
+       RL(waitpid(pid, &status, 0));
+       ATF_REQUIRE(WIFEXITED(status));
+       ATF_REQUIRE_EQ(WEXITSTATUS(status), EXIT_SUCCESS);
+
+       timeout.tv_sec = 0;
+       timeout.tv_nsec = 0;
+       ke.ident = 0;
+       ke.fflags = 0;
+       ke.flags = EV_ENABLE;
+
+       RL(kevent(kq, NULL, 0, &ke, 1, &timeout));
+       RL(close(kq));
+
+       ATF_REQUIRE(ke.fflags & NOTE_CHILD);
+       ATF_REQUIRE((ke.fflags & NOTE_TRACKERR) == 0);
+       ATF_REQUIRE_EQ((pid_t)ke.ident, pid);
+}
+
+ATF_TP_ADD_TCS(tp)
+{
+       ATF_TP_ADD_TC(tp, proc3);
+
+       return atf_no_error();
+}