tests: add clock_xettime.test

* tests/clock_xettime.c: New file.
* tests/clock_xettime.test: New test.
* tests/Makefile.am (check_PROGRAMS): Add clock_xettime.
(TESTS): Add clock_xettime.test.
* tests/.gitignore: Add clock_xettime.

tests/.gitignore

@@ -2,6 +2,7 @@ adjtimex
 aio
 bpf
 caps
+clock_xettime
 epoll_create1
 eventfd
 execve

tests/Makefile.am

@@ -15,6 +15,7 @@ check_PROGRAMS = \
 	aio \
 	bpf \
 	caps \
+	clock_xettime \
 	epoll_create1 \
 	eventfd \
 	execve \
@@ -82,6 +83,7 @@ check_PROGRAMS = \
 	xetitimer \
 	# end of check_PROGRAMS
 
+clock_xettime_LDADD = -lrt
 filter_unavailable_LDADD = -lpthread
 mmap64_CFLAGS = $(AM_CFLAGS) -D_FILE_OFFSET_BITS=64
 mq_LDADD = -lrt
@@ -101,6 +103,7 @@ TESTS = \
 	aio.test \
 	bpf.test \
 	caps.test \
+	clock_xettime.test \
 	dumpio.test \
 	epoll_create1.test \
 	eventfd.test \

tests/clock_xettime.c

@@ -0,0 +1,81 @@
+/*
+ * 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.
+ */
+
+#include <stdio.h>
+#include <stdint.h>
+#include <time.h>
+#include <unistd.h>
+#include <sys/syscall.h>
+
+#if defined __NR_clock_getres \
+ && defined __NR_clock_gettime \
+ && defined __NR_clock_settime
+
+int
+main(void)
+{
+	struct {
+		struct timespec ts;
+		uint32_t pad[2];
+	} t = {
+		.pad = { 0xdeadbeef, 0xbadc0ded }
+	};
+
+	if (syscall(__NR_clock_getres, CLOCK_REALTIME, &t.ts))
+		return 77;
+	printf("clock_getres(CLOCK_REALTIME, {%jd, %jd}) = 0\n",
+	       (intmax_t) t.ts.tv_sec,
+	       (intmax_t) t.ts.tv_nsec);
+
+	if (syscall(__NR_clock_gettime, CLOCK_PROCESS_CPUTIME_ID, &t.ts))
+		return 77;
+	printf("clock_gettime(CLOCK_PROCESS_CPUTIME_ID, {%jd, %jd}) = 0\n",
+	       (intmax_t) t.ts.tv_sec,
+	       (intmax_t) t.ts.tv_nsec);
+
+	t.ts.tv_sec = 0xdeface1;
+	t.ts.tv_nsec = 0xdeface2;
+	if (!syscall(__NR_clock_settime, CLOCK_THREAD_CPUTIME_ID, &t.ts))
+		return 77;
+	printf("clock_settime(CLOCK_THREAD_CPUTIME_ID, {%jd, %jd})"
+	       " = -1 EINVAL (Invalid argument)\n",
+	       (intmax_t) t.ts.tv_sec,
+	       (intmax_t) t.ts.tv_nsec);
+
+	puts("+++ exited with 0 +++");
+	return 0;
+}
+
+#else
+
+int
+main(void)
+{
+	return 77;
+}
+
+#endif

tests/clock_xettime.test

@@ -0,0 +1,14 @@
+#!/bin/sh
+
+# Check clock_getres, clock_gettime, and clock_settime syscalls decoding.
+
+. "${srcdir=.}/init.sh"
+
+run_prog > /dev/null
+OUT="$LOG.out"
+syscalls=clock_getres,clock_gettime,clock_settime
+run_strace -a36 -e trace=$syscalls $args > "$OUT"
+match_diff "$OUT" "$LOG"
+rm -f "$OUT"
+
+exit 0