1 files changed, 215 insertions, 0 deletions

diff --git a/src/regress/lib/libc/sys/t_getitimer.c b/src/regress/lib/libc/sys/t_getitimer.c
new file mode 100644
index 0000000000..b6cc4102bb
--- /dev/null
+++ b/src/regress/lib/libc/sys/t_getitimer.c
@@ -0,0 +1,215 @@
+/*      $OpenBSD: t_getitimer.c,v 1.1.1.1 2019/11/19 19:57:03 bluhm Exp $       */
+/* $NetBSD: t_getitimer.c,v 1.2 2012/03/22 18:20:46 christos 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 "macros.h"
+
+#include <sys/cdefs.h>
+__RCSID("$NetBSD: t_getitimer.c,v 1.2 2012/03/22 18:20:46 christos Exp $");
+
+#include <sys/time.h>
+
+#include "atf-c.h"
+#include <errno.h>
+#include <limits.h>
+#include <signal.h>
+#include <string.h>
+#include <unistd.h>
+
+static bool     fail;
+static void     sighandler(int);
+
+static void
+sighandler(int signo)
+{
+
+        if (signo == SIGALRM || signo == SIGVTALRM)
+                fail = false;
+}
+
+ATF_TC(getitimer_empty);
+ATF_TC_HEAD(getitimer_empty, tc)
+{
+        atf_tc_set_md_var(tc, "descr", "getitimer(2) before setitimer(2)");
+}
+
+ATF_TC_BODY(getitimer_empty, tc)
+{
+        struct itimerval it;
+
+        /*
+         * Verify that the passed structure remains
+         * empty after calling getitimer(2) but before
+         * actually arming the timer with setitimer(2).
+         */
+        (void)memset(&it, 0, sizeof(struct itimerval));
+
+        ATF_REQUIRE(getitimer(ITIMER_REAL, &it) == 0);
+
+        if (it.it_value.tv_sec != 0 || it.it_value.tv_usec != 0)
+                goto fail;
+
+        ATF_REQUIRE(getitimer(ITIMER_VIRTUAL, &it) == 0);
+
+        if (it.it_value.tv_sec != 0 || it.it_value.tv_usec != 0)
+                goto fail;
+
+        ATF_REQUIRE(getitimer(ITIMER_PROF, &it) == 0);
+
+        if (it.it_value.tv_sec != 0 || it.it_value.tv_usec != 0)
+                goto fail;
+
+        return;
+
+fail:
+        atf_tc_fail("getitimer(2) modfied the timer before it was armed");
+}
+
+ATF_TC(getitimer_err);
+ATF_TC_HEAD(getitimer_err, tc)
+{
+        atf_tc_set_md_var(tc, "descr", "Test errors from getitimer(2)");
+}
+
+ATF_TC_BODY(getitimer_err, tc)
+{
+        struct itimerval it;
+
+        errno = 0;
+        ATF_REQUIRE_ERRNO(EINVAL, getitimer(-1, &it) == -1);
+
+        errno = 0;
+        ATF_REQUIRE_ERRNO(EINVAL, getitimer(INT_MAX, &it) == -1);
+
+        errno = 0;
+        ATF_REQUIRE_ERRNO(EFAULT, getitimer(ITIMER_REAL, (void *)-1) == -1);
+}
+
+ATF_TC(setitimer_basic);
+ATF_TC_HEAD(setitimer_basic, tc)
+{
+        atf_tc_set_md_var(tc, "descr", "A basic test of setitimer(2)");
+}
+
+ATF_TC_BODY(setitimer_basic, tc)
+{
+        struct itimerval it;
+
+        it.it_value.tv_sec = 0;
+        it.it_value.tv_usec = 100;
+
+        it.it_interval.tv_sec = 0;
+        it.it_interval.tv_usec = 0;
+
+        fail = true;
+
+        ATF_REQUIRE(signal(SIGALRM, sighandler) != SIG_ERR);
+        ATF_REQUIRE(setitimer(ITIMER_REAL, &it, NULL) == 0);
+
+        /*
+         * Although the interaction between
+         * setitimer(2) and sleep(3) can be
+         * unspecified, it is assumed that one
+         * second suspension will be enough for
+         * the timer to fire.
+         */
+        (void)sleep(1);
+
+        if (fail != false)
+                atf_tc_fail("timer did not fire");
+}
+
+ATF_TC(setitimer_err);
+ATF_TC_HEAD(setitimer_err, tc)
+{
+        atf_tc_set_md_var(tc, "descr", "Test errors from setitimer(2)"
+            " (PR standards/44927)");
+}
+
+ATF_TC_BODY(setitimer_err, tc)
+{
+        struct itimerval it, ot;
+
+        errno = 0;
+        ATF_REQUIRE_ERRNO(EINVAL, setitimer(-1, &it, &ot) == -1);
+
+        errno = 0;
+        ATF_REQUIRE_ERRNO(EINVAL, setitimer(INT_MAX, &it, &ot) == -1);
+
+        errno = 0;
+        ATF_REQUIRE_ERRNO(EFAULT, setitimer(ITIMER_REAL,(void*)-1, &ot) == -1);
+}
+
+ATF_TC(setitimer_old);
+ATF_TC_HEAD(setitimer_old, tc)
+{
+        atf_tc_set_md_var(tc, "descr", "Test old values from setitimer(2)");
+}
+
+ATF_TC_BODY(setitimer_old, tc)
+{
+        struct itimerval it, ot;
+
+        /*
+         * Make two calls; the second one
+         * should store the old values.
+         */
+        it.it_value.tv_sec = 4;
+        it.it_value.tv_usec = 3;
+
+        it.it_interval.tv_sec = 0;
+        it.it_interval.tv_usec = 0;
+
+        ATF_REQUIRE(setitimer(ITIMER_REAL, &it, &ot) == 0);
+
+        it.it_value.tv_sec = 2;
+        it.it_value.tv_usec = 1;
+
+        it.it_interval.tv_sec = 0;
+        it.it_interval.tv_usec = 0;
+
+        ATF_REQUIRE(setitimer(ITIMER_REAL, &it, &ot) == 0);
+
+        if (ot.it_value.tv_sec != 4 || ot.it_value.tv_usec != 3)
+                atf_tc_fail("setitimer(2) did not store old values");
+}
+
+ATF_TP_ADD_TCS(tp)
+{
+
+        ATF_TP_ADD_TC(tp, getitimer_empty);
+        ATF_TP_ADD_TC(tp, getitimer_err);
+        ATF_TP_ADD_TC(tp, setitimer_basic);
+        ATF_TP_ADD_TC(tp, setitimer_err);
+        ATF_TP_ADD_TC(tp, setitimer_old);
+
+        return atf_no_error();
+}