Add a regression test for poll(2) based on the test for pollts(2).

tests/syscall/Makefile

@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.28 2011/05/28 16:12:56 tron Exp $
+# $NetBSD: Makefile,v 1.29 2011/06/01 19:43:10 tron Exp $
 
 .include <bsd.own.mk>
 
@@ -6,7 +6,7 @@ TESTSDIR=	${TESTSBASE}/syscall
 
 TESTS_C+=	t_access t_cmsg t_dup t_fsync
 TESTS_C+=	t_getgroups t_getpid t_getrusage t_getsid t_gettimeofday
-TESTS_C+=	t_itimer t_kill t_mmap t_mprotect t_msync t_nanosleep
+TESTS_C+=	t_itimer t_kill t_mmap t_mprotect t_msync t_nanosleep t_poll
 TESTS_C+=	t_pollts t_pselect t_setrlimit t_setuid t_timer t_umask
 
 LDADD.t_getpid+=	-lpthread

tests/syscall/t_poll.c

@@ -0,0 +1,135 @@
+/*	$NetBSD: t_poll.c,v 1.1 2011/06/01 19:43:10 tron Exp $	*/
+
+/*-
+ * 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 <errno.h>
+#include <fcntl.h>
+#include <paths.h>
+#include <poll.h>
+#include <unistd.h>
+
+#include <atf-c.h>
+
+ATF_TC(poll_basic);
+ATF_TC_HEAD(poll_basic, tc)
+{
+	atf_tc_set_md_var(tc, "timeout", "10");
+	atf_tc_set_md_var(tc, "descr",
+	    "Basis functionality test for poll(2)");
+}
+
+ATF_TC_BODY(poll_basic, tc)
+{
+	int fds[2];
+	struct pollfd pfds[2];
+	int ret;
+
+	ATF_REQUIRE_EQ(pipe(fds), 0);
+
+	pfds[0].fd = fds[0];
+	pfds[0].events = POLLIN;
+	pfds[1].fd = fds[1];
+	pfds[1].events = POLLOUT;
+
+	/*
+	 * 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 = poll(&pfds[0], 1, 1), 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 = poll(&pfds[1], 1, 1), 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 = poll(pfds, 2, 1), 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. */
+	ATF_REQUIRE_EQ(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 = poll(pfds, 2, 1), 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);
+
+	ATF_REQUIRE_EQ(close(fds[0]), 0);
+	ATF_REQUIRE_EQ(close(fds[1]), 0);
+}
+
+ATF_TC(poll_err);
+ATF_TC_HEAD(poll_err, tc)
+{
+	atf_tc_set_md_var(tc, "descr", "Check errors from poll(2)");
+}
+
+ATF_TC_BODY(poll_err, tc)
+{
+	struct pollfd pfd;
+	int fd = 0;
+
+	pfd.fd = fd;
+	pfd.events = POLLIN;
+
+	errno = 0;
+	ATF_REQUIRE_ERRNO(EFAULT, poll((struct pollfd *)-1, 1, -1) == -1);
+
+	errno = 0;
+	ATF_REQUIRE_ERRNO(EINVAL, poll(&pfd, 1, -2) == -1);
+}
+
+ATF_TP_ADD_TCS(tp)
+{
+
+	ATF_TP_ADD_TC(tp, poll_basic);
+	ATF_TP_ADD_TC(tp, poll_err);
+
+	return atf_no_error();
+}