[LTP] [PATCH V7 02/19] syscalls/timer_gettime: Add support for time64 tests

[Viresh Kumar]

This adds support for time64 tests to the existing timer_gettime()
syscall tests.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
---
 .../syscalls/timer_gettime/timer_gettime01.c  | 135 ++++++++----------
 1 file changed, 63 insertions(+), 72 deletions(-)

diff --git a/testcases/kernel/syscalls/timer_gettime/timer_gettime01.c b/testcases/kernel/syscalls/timer_gettime/timer_gettime01.c
index 1c75f1cf0e45..f7083917317c 100644
--- a/testcases/kernel/syscalls/timer_gettime/timer_gettime01.c
+++ b/testcases/kernel/syscalls/timer_gettime/timer_gettime01.c
@@ -1,24 +1,10 @@
-/******************************************************************************
- * Copyright (c) Crackerjack Project., 2007                                   *
- * Porting from Crackerjack to LTP is done by:                                *
- *              Manas Kumar Nayak <maknayak@in.ibm.com>                       *
- * Copyright (c) 2013 Cyril Hrubis <chrubis@suse.cz>                          *
- *                                                                            *
- * This program is free software;  you can redistribute it and/or modify      *
- * it under the terms of the GNU General Public License as published by       *
- * the Free Software Foundation; either version 2 of the License, or          *
- * (at your option) any later version.                                        *
- *                                                                            *
- * This program is distributed in the hope that it will be useful,            *
- * but WITHOUT ANY WARRANTY;  without even the implied warranty of            *
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See                  *
- * the GNU General Public License for more details.                           *
- *                                                                            *
- * You should have received a copy of the GNU General Public License          *
- * along with this program;  if not, write to the Free Software Foundation,   *
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA           *
- *                                                                            *
- ******************************************************************************/
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (c) Crackerjack Project., 2007
+ * Porting from Crackerjack to LTP is done by:
+ *	Manas Kumar Nayak <maknayak@in.ibm.com>
+ * Copyright (c) 2013 Cyril Hrubis <chrubis@suse.cz>
+ */
 
 #include <time.h>
 #include <signal.h>
@@ -26,71 +12,76 @@
 #include <stdio.h>
 #include <errno.h>
 
-#include "test.h"
-#include "lapi/syscalls.h"
+#include "tst_timer.h"
 
-char *TCID = "timer_gettime01";
-int TST_TOTAL = 3;
+static struct test_variants {
+	int (*func)(timer_t timer, void *its);
+	enum tst_ts_type type;
+	char *desc;
+} variants[] = {
+#if (__NR_timer_gettime != __LTP__NR_INVALID_SYSCALL)
+	{ .func = sys_timer_gettime, .type = TST_KERN_OLD_TIMESPEC, .desc = "syscall with old kernel spec"},
+#endif
 
-static void cleanup(void)
-{
-	tst_rmdir();
-}
+#if (__NR_timer_gettime64 != __LTP__NR_INVALID_SYSCALL)
+	{ .func = sys_timer_gettime64, .type = TST_KERN_TIMESPEC, .desc = "syscall time64 with kernel spec"},
+#endif
+};
 
-static void setup(void)
-{
-	TEST_PAUSE;
-	tst_tmpdir();
-}
+static timer_t timer;
 
-int main(int ac, char **av)
+static void setup(void)
 {
-	int lc;
-
 	struct sigevent ev;
-	struct itimerspec spec;
-	int timer;
 
-	tst_parse_opts(ac, av, NULL, NULL);
-
-	setup();
+	tst_res(TINFO, "Testing variant: %s", variants[tst_variant].desc);
 
 	ev.sigev_value = (union sigval) 0;
 	ev.sigev_signo = SIGALRM;
 	ev.sigev_notify = SIGEV_SIGNAL;
-	TEST(ltp_syscall(__NR_timer_create, CLOCK_REALTIME, &ev, &timer));
-
-	if (TEST_RETURN != 0)
-		tst_brkm(TBROK | TERRNO, cleanup, "Failed to create timer");
 
-	for (lc = 0; TEST_LOOPING(lc); ++lc) {
-		tst_count = 0;
+	TEST(tst_syscall(__NR_timer_create, CLOCK_REALTIME, &ev, &timer));
 
-		TEST(ltp_syscall(__NR_timer_gettime, timer, &spec));
-		if (TEST_RETURN == 0) {
-			tst_resm(TPASS, "timer_gettime(CLOCK_REALTIME) Passed");
-		} else {
-			tst_resm(TFAIL | TERRNO,
-			         "timer_gettime(CLOCK_REALTIME) Failed");
-		}
-
-		TEST(ltp_syscall(__NR_timer_gettime, -1, &spec));
-		if (TEST_RETURN == -1 && TEST_ERRNO == EINVAL) {
-			tst_resm(TPASS,	"timer_gettime(-1) Failed: EINVAL");
-		} else {
-			tst_resm(TFAIL | TERRNO,
-			         "timer_gettime(-1) = %li", TEST_RETURN);
-		}
+	if (TST_RET) {
+		tst_res(TFAIL | TTERRNO, "timer_create() failed");
+		return;
+	}
+}
 
-		TEST(ltp_syscall(__NR_timer_gettime, timer, NULL));
-		if (TEST_RETURN == -1 && TEST_ERRNO == EFAULT) {
-			tst_resm(TPASS,	"timer_gettime(NULL) Failed: EFAULT");
-		} else {
-			tst_resm(TFAIL | TERRNO,
-			         "timer_gettime(-1) = %li", TEST_RETURN);
-		}
+static void verify(void)
+{
+	struct test_variants *tv = &variants[tst_variant];
+	struct tst_its spec = {.type = tv->type, };
+
+	TEST(tv->func(timer, tst_its_get(&spec)));
+	if (TST_RET == 0) {
+		if (tst_its_get_interval_sec(spec) ||
+		    tst_its_get_interval_nsec(spec) ||
+		    tst_its_get_value_sec(spec) ||
+		    tst_its_get_value_nsec(spec))
+			tst_res(TFAIL, "timespec should have been zeroed");
+		else
+			tst_res(TPASS, "timer_gettime() Passed");
+	} else {
+		tst_res(TFAIL | TTERRNO, "timer_gettime() Failed");
 	}
 
-	cleanup();
-	tst_exit();
+	TEST(tv->func((timer_t)-1, tst_its_get(&spec)));
+	if (TST_RET == -1 && TST_ERR == EINVAL)
+		tst_res(TPASS, "timer_gettime(-1) Failed: EINVAL");
+	else
+		tst_res(TFAIL | TTERRNO, "timer_gettime(-1) = %li", TST_RET);
+
+	TEST(tv->func(timer, NULL));
+	if (TST_RET == -1 && TST_ERR == EFAULT)
+		tst_res(TPASS, "timer_gettime(NULL) Failed: EFAULT");
+	else
+		tst_res(TFAIL | TTERRNO, "timer_gettime(-1) = %li", TST_RET);
 }
+
+static struct tst_test test = {
+	.test_all = verify,
+	.test_variants = ARRAY_SIZE(variants),
+	.setup = setup,
+	.needs_tmpdir = 1,
+};
-- 
2.25.0.rc1.19.g042ed3e048af