Add two test cases for pollts(2):

- The first tests basic functionality e.g. timeouts and correct events.
- The second tests whether pollts(2) correctly restores the signal mask.
  This test currently fails because of PR kern/44986.
This commit is contained in:
tron 2011-05-28 15:24:49 +00:00
parent abe8ec29d9
commit 3b708a2134
3 changed files with 171 additions and 2 deletions

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@ -1,4 +1,4 @@
# $NetBSD: mi,v 1.338 2011/05/20 21:43:39 joerg Exp $
# $NetBSD: mi,v 1.339 2011/05/28 15:24:49 tron Exp $
#
# Note: don't delete entries from here - mark them as "obsolete" instead.
#
@ -324,6 +324,7 @@
./usr/libdata/debug/usr/tests/kernel/t_mkdir.debug tests-kernel-tests debug,atf
./usr/libdata/debug/usr/tests/kernel/t_pipe.debug tests-kernel-tests debug,atf
./usr/libdata/debug/usr/tests/kernel/t_poll3w.debug tests-kernel-tests debug,atf
./usr/libdata/debug/usr/tests/kernel/t_pollts.debug tests-kernel-tests debug,atf
./usr/libdata/debug/usr/tests/kernel/t_posix_fadvise.debug tests-kernel-tests debug,atf
./usr/libdata/debug/usr/tests/kernel/t_rnd.debug tests-kernel-tests debug,atf
./usr/libdata/debug/usr/tests/kernel/t_sigaction.debug tests-kernel-tests debug,atf
@ -1743,6 +1744,7 @@
./usr/tests/kernel/t_mkdir tests-kernel-tests atf
./usr/tests/kernel/t_pipe tests-kernel-tests atf
./usr/tests/kernel/t_poll3w tests-kernel-tests atf
./usr/tests/kernel/t_pollts tests-kernel-tests atf
./usr/tests/kernel/t_posix_fadvise tests-kernel-tests atf
./usr/tests/kernel/t_ps_strings tests-kernel-tests atf
./usr/tests/kernel/t_rnd tests-kernel-tests atf

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@ -1,4 +1,4 @@
# $NetBSD: Makefile,v 1.10 2011/03/05 18:14:33 pgoyette Exp $
# $NetBSD: Makefile,v 1.11 2011/05/28 15:24:49 tron Exp $
NOMAN= # defined
@ -21,6 +21,7 @@ TESTS_C+= t_writev
TESTS_C+= t_extattrctl
TESTS_C+= t_sigaction
TESTS_C+= t_filedesc
TESTS_C+= t_pollts
TESTS_SH= t_umount
TESTS_SH+= t_ps_strings

166
tests/kernel/t_pollts.c Normal file
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@ -0,0 +1,166 @@
/*-
* Copyright (c) 2011 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Matthias Scheler.
*
* 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/time.h>
#include <assert.h>
#include <fcntl.h>
#include <paths.h>
#include <poll.h>
#include <signal.h>
#include <unistd.h>
#include <atf-c.h>
ATF_TC(pollts);
ATF_TC_HEAD(pollts, tc)
{
atf_tc_set_md_var(tc, "timeout", "10");
atf_tc_set_md_var(tc, "descr",
"Basis functionality test for pollts(2)");
}
ATF_TC(pollts_sigmask);
ATF_TC_HEAD(pollts_sigmask, tc)
{
atf_tc_set_md_var(tc, "timeout", "10");
atf_tc_set_md_var(tc, "descr",
"Check that pollts_sigmask(2) restores the signal mask");
}
ATF_TC_BODY(pollts, tc)
{
int fds[2];
struct pollfd pfds[2];
struct timespec timeout;
int ret;
assert(pipe(fds) == 0);
pfds[0].fd = fds[0];
pfds[0].events = POLLIN;
pfds[1].fd = fds[1];
pfds[1].events = POLLOUT;
/* Use a timeout of 1 second. */
timeout.tv_sec = 1;
timeout.tv_nsec = 0;
/*
* Check that we get a timeout waiting for data on the read end
* of our pipe.
*/
pfds[0].revents = -1;
pfds[1].revents = -1;
ATF_REQUIRE_EQ_MSG(ret = pollts(&pfds[0], 1, &timeout, NULL), 0,
"got: %d", ret);
ATF_REQUIRE_EQ_MSG(pfds[0].revents, 0, "got: %d", pfds[0].revents);
ATF_REQUIRE_EQ_MSG(pfds[1].revents, -1, "got: %d", pfds[1].revents);
/* Check that the write end of the pipe as reported as ready. */
pfds[0].revents = -1;
pfds[1].revents = -1;
ATF_REQUIRE_EQ_MSG(ret = pollts(&pfds[1], 1, &timeout, NULL), 1,
"got: %d", ret);
ATF_REQUIRE_EQ_MSG(pfds[0].revents, -1, "got: %d", pfds[0].revents);
ATF_REQUIRE_EQ_MSG(pfds[1].revents, POLLOUT, "got: %d",\
pfds[1].revents);
/* Check that only the write end of the pipe as reported as ready. */
pfds[0].revents = -1;
pfds[1].revents = -1;
ATF_REQUIRE_EQ_MSG(ret = pollts(pfds, 2, &timeout, NULL), 1,
"got: %d", ret);
ATF_REQUIRE_EQ_MSG(pfds[0].revents, 0, "got: %d", pfds[0].revents);
ATF_REQUIRE_EQ_MSG(pfds[1].revents, POLLOUT, "got: %d",
pfds[1].revents);
/* Write data to our pipe. */
assert(write(fds[1], "", 1) == 1);
/* Check that both ends of our pipe are reported as ready. */
pfds[0].revents = -1;
pfds[1].revents = -1;
ATF_REQUIRE_EQ_MSG(ret = pollts(pfds, 2, &timeout, NULL), 2,
"got: %d", ret);
ATF_REQUIRE_EQ_MSG(pfds[0].revents, POLLIN, "got: %d",
pfds[0].revents);
ATF_REQUIRE_EQ_MSG(pfds[1].revents, POLLOUT, "got: %d",
pfds[1].revents);
assert(close(fds[0]) == 0);
assert(close(fds[1]) == 0);
}
ATF_TC_BODY(pollts_sigmask, tc)
{
int fd;
struct pollfd pfd;
struct timespec timeout;
sigset_t mask;
int ret;
atf_tc_expect_fail("PR kern/44986");
fd = open(_PATH_DEVNULL, O_RDONLY);
assert(fd >= 0);
pfd.fd = fd;
pfd.events = POLLIN;
/* Use a timeout of 1 second. */
timeout.tv_sec = 1;
timeout.tv_nsec = 0;
/* Unblock all signals. */
assert(sigfillset(&mask) == 0);
assert(sigprocmask(SIG_UNBLOCK, &mask, NULL) == 0);
/*
* Check that pollts(2) immediately returns. We block *all*
* signals during pollts(2).
*/
ATF_REQUIRE_EQ_MSG(ret = pollts(&pfd, 1, &timeout, &mask), 1,
"got: %d", ret);
/* Check that signals are now longer blocked. */
assert(sigprocmask(SIG_SETMASK, NULL, &mask) == 0);
ATF_REQUIRE_MSG(sigismember(&mask, SIGUSR1) == 0,
"signal mask was changed.");
assert(close(fd) == 0);
}
ATF_TP_ADD_TCS(tp)
{
ATF_TP_ADD_TC(tp, pollts);
ATF_TP_ADD_TC(tp, pollts_sigmask);
return atf_no_error();
}