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.
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tron
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@ -1,4 +1,4 @@
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# $NetBSD: mi,v 1.338 2011/05/20 21:43:39 joerg Exp $
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# $NetBSD: mi,v 1.339 2011/05/28 15:24:49 tron Exp $
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#
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# Note: don't delete entries from here - mark them as "obsolete" instead.
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#
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@ -324,6 +324,7 @@
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./usr/libdata/debug/usr/tests/kernel/t_mkdir.debug tests-kernel-tests debug,atf
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./usr/libdata/debug/usr/tests/kernel/t_pipe.debug tests-kernel-tests debug,atf
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./usr/libdata/debug/usr/tests/kernel/t_poll3w.debug tests-kernel-tests debug,atf
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./usr/libdata/debug/usr/tests/kernel/t_pollts.debug tests-kernel-tests debug,atf
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./usr/libdata/debug/usr/tests/kernel/t_posix_fadvise.debug tests-kernel-tests debug,atf
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./usr/libdata/debug/usr/tests/kernel/t_rnd.debug tests-kernel-tests debug,atf
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./usr/libdata/debug/usr/tests/kernel/t_sigaction.debug tests-kernel-tests debug,atf
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@ -1743,6 +1744,7 @@
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./usr/tests/kernel/t_mkdir tests-kernel-tests atf
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./usr/tests/kernel/t_pipe tests-kernel-tests atf
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./usr/tests/kernel/t_poll3w tests-kernel-tests atf
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./usr/tests/kernel/t_pollts tests-kernel-tests atf
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./usr/tests/kernel/t_posix_fadvise tests-kernel-tests atf
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./usr/tests/kernel/t_ps_strings tests-kernel-tests atf
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./usr/tests/kernel/t_rnd tests-kernel-tests atf
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@ -1,4 +1,4 @@
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# $NetBSD: Makefile,v 1.10 2011/03/05 18:14:33 pgoyette Exp $
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# $NetBSD: Makefile,v 1.11 2011/05/28 15:24:49 tron Exp $
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NOMAN= # defined
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@ -21,6 +21,7 @@ TESTS_C+= t_writev
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TESTS_C+= t_extattrctl
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TESTS_C+= t_sigaction
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TESTS_C+= t_filedesc
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TESTS_C+= t_pollts
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TESTS_SH= t_umount
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TESTS_SH+= t_ps_strings
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166
tests/kernel/t_pollts.c
Normal file
166
tests/kernel/t_pollts.c
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@ -0,0 +1,166 @@
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/*-
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* Copyright (c) 2011 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Matthias Scheler.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/time.h>
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#include <assert.h>
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#include <fcntl.h>
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#include <paths.h>
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#include <poll.h>
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#include <signal.h>
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#include <unistd.h>
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#include <atf-c.h>
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ATF_TC(pollts);
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ATF_TC_HEAD(pollts, tc)
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{
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atf_tc_set_md_var(tc, "timeout", "10");
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atf_tc_set_md_var(tc, "descr",
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"Basis functionality test for pollts(2)");
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}
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ATF_TC(pollts_sigmask);
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ATF_TC_HEAD(pollts_sigmask, tc)
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{
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atf_tc_set_md_var(tc, "timeout", "10");
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atf_tc_set_md_var(tc, "descr",
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"Check that pollts_sigmask(2) restores the signal mask");
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}
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ATF_TC_BODY(pollts, tc)
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{
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int fds[2];
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struct pollfd pfds[2];
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struct timespec timeout;
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int ret;
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assert(pipe(fds) == 0);
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pfds[0].fd = fds[0];
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pfds[0].events = POLLIN;
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pfds[1].fd = fds[1];
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pfds[1].events = POLLOUT;
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/* Use a timeout of 1 second. */
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timeout.tv_sec = 1;
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timeout.tv_nsec = 0;
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/*
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* Check that we get a timeout waiting for data on the read end
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* of our pipe.
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*/
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pfds[0].revents = -1;
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pfds[1].revents = -1;
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ATF_REQUIRE_EQ_MSG(ret = pollts(&pfds[0], 1, &timeout, NULL), 0,
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"got: %d", ret);
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ATF_REQUIRE_EQ_MSG(pfds[0].revents, 0, "got: %d", pfds[0].revents);
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ATF_REQUIRE_EQ_MSG(pfds[1].revents, -1, "got: %d", pfds[1].revents);
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/* Check that the write end of the pipe as reported as ready. */
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pfds[0].revents = -1;
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pfds[1].revents = -1;
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ATF_REQUIRE_EQ_MSG(ret = pollts(&pfds[1], 1, &timeout, NULL), 1,
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"got: %d", ret);
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ATF_REQUIRE_EQ_MSG(pfds[0].revents, -1, "got: %d", pfds[0].revents);
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ATF_REQUIRE_EQ_MSG(pfds[1].revents, POLLOUT, "got: %d",\
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pfds[1].revents);
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/* Check that only the write end of the pipe as reported as ready. */
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pfds[0].revents = -1;
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pfds[1].revents = -1;
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ATF_REQUIRE_EQ_MSG(ret = pollts(pfds, 2, &timeout, NULL), 1,
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"got: %d", ret);
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ATF_REQUIRE_EQ_MSG(pfds[0].revents, 0, "got: %d", pfds[0].revents);
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ATF_REQUIRE_EQ_MSG(pfds[1].revents, POLLOUT, "got: %d",
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pfds[1].revents);
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/* Write data to our pipe. */
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assert(write(fds[1], "", 1) == 1);
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/* Check that both ends of our pipe are reported as ready. */
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pfds[0].revents = -1;
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pfds[1].revents = -1;
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ATF_REQUIRE_EQ_MSG(ret = pollts(pfds, 2, &timeout, NULL), 2,
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"got: %d", ret);
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ATF_REQUIRE_EQ_MSG(pfds[0].revents, POLLIN, "got: %d",
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pfds[0].revents);
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ATF_REQUIRE_EQ_MSG(pfds[1].revents, POLLOUT, "got: %d",
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pfds[1].revents);
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assert(close(fds[0]) == 0);
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assert(close(fds[1]) == 0);
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}
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ATF_TC_BODY(pollts_sigmask, tc)
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{
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int fd;
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struct pollfd pfd;
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struct timespec timeout;
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sigset_t mask;
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int ret;
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atf_tc_expect_fail("PR kern/44986");
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fd = open(_PATH_DEVNULL, O_RDONLY);
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assert(fd >= 0);
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pfd.fd = fd;
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pfd.events = POLLIN;
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/* Use a timeout of 1 second. */
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timeout.tv_sec = 1;
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timeout.tv_nsec = 0;
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/* Unblock all signals. */
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assert(sigfillset(&mask) == 0);
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assert(sigprocmask(SIG_UNBLOCK, &mask, NULL) == 0);
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/*
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* Check that pollts(2) immediately returns. We block *all*
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* signals during pollts(2).
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*/
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ATF_REQUIRE_EQ_MSG(ret = pollts(&pfd, 1, &timeout, &mask), 1,
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"got: %d", ret);
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/* Check that signals are now longer blocked. */
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assert(sigprocmask(SIG_SETMASK, NULL, &mask) == 0);
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ATF_REQUIRE_MSG(sigismember(&mask, SIGUSR1) == 0,
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"signal mask was changed.");
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assert(close(fd) == 0);
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}
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ATF_TP_ADD_TCS(tp)
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{
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ATF_TP_ADD_TC(tp, pollts);
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ATF_TP_ADD_TC(tp, pollts_sigmask);
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return atf_no_error();
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}
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