1 files changed, 150 insertions, 0 deletions
diff --git a/contrib/netbsd-tests/lib/libc/gen/t_alarm.c b/contrib/netbsd-tests/lib/libc/gen/t_alarm.c
new file mode 100644
index 0000000..d9e903d1
--- /dev/null
+++ b/contrib/netbsd-tests/lib/libc/gen/t_alarm.c
@@ -0,0 +1,150 @@
+/* $NetBSD: t_alarm.c,v 1.2 2011/05/10 06:58:17 jruoho Exp $ */
+
+/*-
+ * Copyright (c) 2011 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Jukka Ruohonen.
+ *
+ * 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_alarm.c,v 1.2 2011/05/10 06:58:17 jruoho Exp $");
+
+#include <sys/wait.h>
+
+#include <atf-c.h>
+#include <stdlib.h>
+#include <signal.h>
+#include <unistd.h>
+
+static bool	fail;
+static void	handler(int);
+
+static void
+handler(int signo)
+{
+
+	if (signo == SIGALRM)
+		fail = false;
+}
+
+ATF_TC(alarm_basic);
+ATF_TC_HEAD(alarm_basic, tc)
+{
+	atf_tc_set_md_var(tc, "descr", "A basic test of alarm(3)");
+}
+
+ATF_TC_BODY(alarm_basic, tc)
+{
+
+	ATF_REQUIRE(signal(SIGALRM, handler) == 0);
+
+	fail = true;
+
+	(void)alarm(1);
+	(void)sleep(2);
+
+	if (fail != false)
+		atf_tc_fail("alarm(3) failed to deliver signal");
+}
+
+ATF_TC(alarm_fork);
+ATF_TC_HEAD(alarm_fork, tc)
+{
+	atf_tc_set_md_var(tc, "descr", "Does fork(2) clear a pending alarm?");
+}
+
+ATF_TC_BODY(alarm_fork, tc)
+{
+	unsigned int rv;
+	pid_t pid;
+	int sta;
+
+	/*
+	 * Any pending alarms should be
+	 * cleared in the child process.
+	 */
+	(void)alarm(60);
+
+	pid = fork();
+	ATF_REQUIRE(pid >= 0);
+
+	if (pid == 0) {
+
+		rv = alarm(0);
+
+		if (rv != 0)
+			_exit(EXIT_FAILURE);
+
+		_exit(EXIT_SUCCESS);
+	}
+
+	(void)alarm(0);
+	(void)wait(&sta);
+
+	if (WIFEXITED(sta) == 0 || WEXITSTATUS(sta) != EXIT_SUCCESS)
+		atf_tc_fail("pending alarm was not cleared for child");
+}
+
+ATF_TC(alarm_previous);
+ATF_TC_HEAD(alarm_previous, tc)
+{
+	atf_tc_set_md_var(tc, "descr", "Test return value from alarm(3)");
+}
+
+ATF_TC_BODY(alarm_previous, tc)
+{
+	unsigned int rv;
+
+	/*
+	 * See that alarm(3) returns the amount
+	 * left on the timer from the previous call.
+	*/
+	rv = alarm(60);
+
+	if (rv != 0)
+		goto fail;
+
+	rv = alarm(0);
+
+	if (rv < 50)
+		goto fail;
+
+	(void)alarm(0);
+
+	return;
+
+fail:
+	atf_tc_fail("invalid return value from alarm(3)");
+}
+
+ATF_TP_ADD_TCS(tp)
+{
+
+	ATF_TP_ADD_TC(tp, alarm_basic);
+	ATF_TP_ADD_TC(tp, alarm_fork);
+	ATF_TP_ADD_TC(tp, alarm_previous);
+
+	return atf_no_error();
+}