--- /dev/null
+/*
+ * Copyright (c) 2015 Dmitry V. Levin <ldv@altlinux.org>
+ * All rights reserved.
+ *
+ * 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.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
+ */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <stdio.h>
+#include <stdint.h>
+#include <time.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <sys/syscall.h>
+
+#if defined __NR_timerfd_create \
+ && defined __NR_timerfd_gettime \
+ && defined __NR_timerfd_settime \
+ && defined O_CLOEXEC
+
+int
+main(void)
+{
+ (void) close(0);
+ if (syscall(__NR_timerfd_create, CLOCK_MONOTONIC, O_CLOEXEC | O_NONBLOCK))
+ return 77;
+ puts("timerfd_create(CLOCK_MONOTONIC, TFD_CLOEXEC|TFD_NONBLOCK) = 0");
+
+ struct {
+ struct itimerspec its;
+ uint32_t pad[4];
+ } old = {
+ .pad = { 0xdeadbeef, 0xbadc0ded, 0xdeadbeef, 0xbadc0ded }
+ }, new = {
+ .its = {
+ .it_interval = { 0xdeface1, 0xdeface2 },
+ .it_value = { 0xdeface3, 0xdeface4 }
+ },
+ .pad = { 0xdeadbeef, 0xbadc0ded, 0xdeadbeef, 0xbadc0ded }
+ };
+
+ if (syscall(__NR_timerfd_settime, 0, 0, &new.its, &old.its))
+ return 77;
+ printf("timerfd_settime(0, 0"
+ ", {it_interval={%jd, %jd}, it_value={%jd, %jd}}"
+ ", {it_interval={%jd, %jd}, it_value={%jd, %jd}}"
+ ") = 0\n",
+ (intmax_t) new.its.it_interval.tv_sec,
+ (intmax_t) new.its.it_interval.tv_nsec,
+ (intmax_t) new.its.it_value.tv_sec,
+ (intmax_t) new.its.it_value.tv_nsec,
+ (intmax_t) old.its.it_interval.tv_sec,
+ (intmax_t) old.its.it_interval.tv_nsec,
+ (intmax_t) old.its.it_value.tv_sec,
+ (intmax_t) old.its.it_value.tv_nsec);
+
+ if (syscall(__NR_timerfd_gettime, 0, &old.its))
+ return 77;
+ printf("timerfd_gettime(0"
+ ", {it_interval={%jd, %jd}, it_value={%jd, %jd}}"
+ ") = 0\n",
+ (intmax_t) old.its.it_interval.tv_sec,
+ (intmax_t) old.its.it_interval.tv_nsec,
+ (intmax_t) old.its.it_value.tv_sec,
+ (intmax_t) old.its.it_value.tv_nsec);
+
+ puts("+++ exited with 0 +++");
+ return 0;
+}
+
+#else
+
+int
+main(void)
+{
+ return 77;
+}
+
+#endif