[LTP] [PATCH V7 04/19] syscalls/timerfd: Add support for time64 tests

Viresh Kumar
2020-06-26T06:22:17Z

This adds support for time64 tests to the existing timerfd_gettime() and
timerfd_settime() syscall tests.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
---
testcases/kernel/syscalls/timerfd/timerfd01.c | 56 ++++++--
testcases/kernel/syscalls/timerfd/timerfd04.c | 54 +++++--
.../syscalls/timerfd/timerfd_gettime01.c | 133 ++++++++---------
.../syscalls/timerfd/timerfd_settime01.c | 136 ++++++++----------
.../syscalls/timerfd/timerfd_settime02.c | 28 +++-
5 files changed, 237 insertions(+), 170 deletions(-)

diff --git a/testcases/kernel/syscalls/timerfd/timerfd01.c b/testcases/kernel/syscalls/timerfd/timerfd01.c
index 45d4c5d5ea0d..90144b843e30 100644
--- a/testcases/kernel/syscalls/timerfd/timerfd01.c
+++ b/testcases/kernel/syscalls/timerfd/timerfd01.c
@@ -17,7 +17,6 @@

#define _GNU_SOURCE
#include <poll.h>
-#include "tst_test.h"
#include "tst_timer.h"
#include "tst_safe_timerfd.h"

@@ -29,25 +28,49 @@ static struct tcase {
{CLOCK_REALTIME, "CLOCK REALTIME"},
};

+static struct test_variants {
+ int (*cgettime)(clockid_t clk_id, void *ts);
+ int (*tfd_gettime)(int fd, void *its);
+ int (*tfd_settime)(int fd, int flags, void *new_value, void *old_value);
+ enum tst_ts_type type;
+ char *desc;
+} variants[] = {
+#if (__NR_timerfd_gettime != __LTP__NR_INVALID_SYSCALL)
+ { .cgettime = sys_clock_gettime, .tfd_gettime = sys_timerfd_gettime, .tfd_settime = sys_timerfd_settime, .type = TST_KERN_OLD_TIMESPEC, .desc = "syscall with old kernel spec"},
+#endif
+
+#if (__NR_timerfd_gettime64 != __LTP__NR_INVALID_SYSCALL)
+ { .cgettime = sys_clock_gettime64, .tfd_gettime = sys_timerfd_gettime64, .tfd_settime = sys_timerfd_settime64, .type = TST_KERN_TIMESPEC, .desc = "syscall time64 with kernel spec"},
+#endif
+};
+
static unsigned long long getustime(int clockid)
{
- struct timespec tp;
+ struct test_variants *tv = &variants[tst_variant];
+ struct tst_ts tp = {.type = tv->type, };

- if (clock_gettime((clockid_t) clockid, &tp)) {
+ if (tv->cgettime((clockid_t) clockid, tst_ts_get(&tp))) {
tst_res(TFAIL | TERRNO, "clock_gettime() failed");
return 0;
}

- return 1000000ULL * tp.tv_sec + tp.tv_nsec / 1000;
+ return 1000000ULL * tst_ts_get_sec(tp) + tst_ts_get_nsec(tp) / 1000;
}

-static void settime(int tfd, struct itimerspec *tmr, int tflags,
+static void settime(int tfd, struct tst_its *tmr, int tflags,
unsigned long long tvalue, int tinterval)
{
- tmr->it_value = tst_timespec_from_us(tvalue);
- tmr->it_interval = tst_timespec_from_us(tinterval);
+ struct test_variants *tv = &variants[tst_variant];
+ struct timespec value = tst_timespec_from_us(tvalue);
+ struct timespec interval = tst_timespec_from_us(tinterval);

- SAFE_TIMERFD_SETTIME(tfd, tflags, tmr, NULL);
+ tst_its_set_interval_sec(tmr, interval.tv_sec);
+ tst_its_set_interval_nsec(tmr, interval.tv_nsec);
+ tst_its_set_value_sec(tmr, value.tv_sec);
+ tst_its_set_value_nsec(tmr, value.tv_nsec);
+
+ if (tv->tfd_settime(tfd, tflags, tst_its_get(tmr), NULL))
+ tst_res(TFAIL, "timerfd_settime() failed");
}

static void waittmr(int tfd, unsigned int exp_ticks)
@@ -78,10 +101,11 @@ static void waittmr(int tfd, unsigned int exp_ticks)

static void run(unsigned int n)
{
+ struct test_variants *tv = &variants[tst_variant];
int tfd;
unsigned long long tnow;
uint64_t uticks;
- struct itimerspec tmr;
+ struct tst_its tmr = {.type = tv->type, };
struct tcase *clks = &tcases[n];

tst_res(TINFO, "testing %s", clks->name);
@@ -102,11 +126,12 @@ static void run(unsigned int n)
settime(tfd, &tmr, TFD_TIMER_ABSTIME, tnow + 50 * 1000, 50 * 1000);

memset(&tmr, 0, sizeof(tmr));
- if (timerfd_gettime(tfd, &tmr))
- tst_res(TFAIL | TERRNO, "timerfd_gettime() failed");
+ tmr.type = tv->type;

+ if (tv->tfd_gettime(tfd, tst_its_get(&tmr)))
+ tst_res(TFAIL | TERRNO, "timerfd_gettime() failed");

- if (tmr.it_value.tv_sec != 0 || tmr.it_value.tv_nsec > 50 * 1000000)
+ if (tst_its_get_value_sec(tmr) != 0 || tst_its_get_value_nsec(tmr) > 50 * 1000000)
tst_res(TFAIL, "Timer read back value not relative");
else
tst_res(TPASS, "Timer read back value is relative");
@@ -132,8 +157,15 @@ static void run(unsigned int n)
SAFE_CLOSE(tfd);
}

+static void setup(void)
+{
+ tst_res(TINFO, "Testing variant: %s", variants[tst_variant].desc);
+}
+
static struct tst_test test = {
.test = run,
.tcnt = ARRAY_SIZE(tcases),
+ .test_variants = ARRAY_SIZE(variants),
+ .setup = setup,
.min_kver = "2.6.25",
};
diff --git a/testcases/kernel/syscalls/timerfd/timerfd04.c b/testcases/kernel/syscalls/timerfd/timerfd04.c
index 7197fc67ed47..49d50d00022a 100644
--- a/testcases/kernel/syscalls/timerfd/timerfd04.c
+++ b/testcases/kernel/syscalls/timerfd/timerfd04.c
@@ -19,7 +19,6 @@
#include "tst_safe_timerfd.h"
#include "tst_timer.h"
#include "lapi/namespaces_constants.h"
-#include "tst_test.h"

#define SLEEP_US 40000

@@ -35,26 +34,59 @@ static struct tcase {
{CLOCK_BOOTTIME, CLOCK_BOOTTIME, -10},
};

+static struct test_variants {
+ int (*cgettime)(clockid_t clk_id, void *ts);
+ int (*tfd_settime)(int fd, int flags, void *new_value, void *old_value);
+ enum tst_ts_type type;
+ char *desc;
+} variants[] = {
+#if (__NR_timerfd_settime != __LTP__NR_INVALID_SYSCALL)
+ { .cgettime = sys_clock_gettime, .tfd_settime = sys_timerfd_settime, .type = TST_KERN_OLD_TIMESPEC, .desc = "syscall with old kernel spec"},
+#endif
+
+#if (__NR_timerfd_settime64 != __LTP__NR_INVALID_SYSCALL)
+ { .cgettime = sys_clock_gettime64, .tfd_settime = sys_timerfd_settime64, .type = TST_KERN_TIMESPEC, .desc = "syscall time64 with kernel spec"},
+#endif
+};
+
+static void setup(void)
+{
+ tst_res(TINFO, "Testing variant: %s", variants[tst_variant].desc);
+}
+
static void verify_timerfd(unsigned int n)
{
- struct timespec start, end;
- struct itimerspec it = {};
+ struct test_variants *tv = &variants[tst_variant];
+ struct tst_ts start, end;
+ struct tst_its it;
struct tcase *tc = &tcases[n];

+ start.type = end.type = it.type = tv->type;
SAFE_UNSHARE(CLONE_NEWTIME);

SAFE_FILE_PRINTF("/proc/self/timens_offsets", "%d %d 0",
tc->clk_off, tc->off);

- SAFE_CLOCK_GETTIME(tc->clk_id, &start);
+ if (tv->cgettime(tc->clk_id, tst_ts_get(&start))) {
+ tst_res(TFAIL | TTERRNO, "clock_gettime(2) failed for clock %s",
+ tst_clock_name(tc->clk_id));
+ return;
+ }

- it.it_value = tst_timespec_add_us(start, 1000000 * tc->off + SLEEP_US);
+ end = tst_ts_add_us(start, 1000000 * tc->off + SLEEP_US);
+ tst_its_set_interval_sec(&it, 0);
+ tst_its_set_interval_nsec(&it, 0);
+ tst_its_set_value_sec(&it, tst_ts_get_sec(end));
+ tst_its_set_value_nsec(&it, tst_ts_get_nsec(end));

if (!SAFE_FORK()) {
uint64_t exp;
int fd = SAFE_TIMERFD_CREATE(tc->clk_id, 0);

- SAFE_TIMERFD_SETTIME(fd, TFD_TIMER_ABSTIME, &it, NULL);
+ if (tv->tfd_settime(fd, TFD_TIMER_ABSTIME, tst_its_get(&it), NULL)) {
+ tst_res(TFAIL, "timerfd_settime() failed");
+ return;
+ }

SAFE_READ(1, fd, &exp, sizeof(exp));

@@ -67,9 +99,13 @@ static void verify_timerfd(unsigned int n)

SAFE_WAIT(NULL);

- SAFE_CLOCK_GETTIME(CLOCK_MONOTONIC, &end);
+ if (tv->cgettime(CLOCK_MONOTONIC, tst_ts_get(&end))) {
+ tst_res(TFAIL | TTERRNO, "clock_gettime(2) failed for clock %s",
+ tst_clock_name(CLOCK_MONOTONIC));
+ return;
+ }

- long long diff = tst_timespec_diff_us(end, start);
+ long long diff = tst_ts_diff_us(end, start);

if (diff > 5 * SLEEP_US) {
tst_res(TFAIL, "timerfd %s slept too long %lli",
@@ -90,6 +126,8 @@ static void verify_timerfd(unsigned int n)
static struct tst_test test = {
.tcnt = ARRAY_SIZE(tcases),
.test = verify_timerfd,
+ .test_variants = ARRAY_SIZE(variants),
+ .setup = setup,
.needs_root = 1,
.forks_child = 1,
.needs_kconfigs = (const char *[]) {
diff --git a/testcases/kernel/syscalls/timerfd/timerfd_gettime01.c b/testcases/kernel/syscalls/timerfd/timerfd_gettime01.c
index 5f3240bdc7d7..49f5aa59a96b 100644
--- a/testcases/kernel/syscalls/timerfd/timerfd_gettime01.c
+++ b/testcases/kernel/syscalls/timerfd/timerfd_gettime01.c
@@ -1,20 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (c) 2014 Fujitsu Ltd.
* Author: Zeng Linggang <zenglg.jy@cn.fujitsu.com>
*
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of version 2 of the GNU General Public License as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it would be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-/*
* DESCRIPTION
* Verify that,
* 1. fd is not a valid file descriptor, EBADF would return.
@@ -24,99 +12,96 @@

#define _GNU_SOURCE

-#include <errno.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-
-#include "test.h"
-#include "safe_macros.h"
-#include "lapi/timerfd.h"
+#include "tst_timer.h"
+#include "tst_safe_timerfd.h"

char *TCID = "timerfd_gettime01";

static int bad_clockfd = -1;
static int clockfd;
static int fd;
+static void *bad_addr;

static struct test_case_t {
int *fd;
- struct itimerspec *curr_value;
+ struct tst_its *curr_value;
int exp_errno;
} test_cases[] = {
{&bad_clockfd, NULL, EBADF},
- {&clockfd, (struct itimerspec *)-1, EFAULT},
+ {&clockfd, NULL, EFAULT},
{&fd, NULL, EINVAL},
};

-int TST_TOTAL = ARRAY_SIZE(test_cases);
-static void setup(void);
-static void timerfd_gettime_verify(const struct test_case_t *);
-static void cleanup(void);
+static struct test_variants {
+ int (*tfd_gettime)(int fd, void *its);
+ char *desc;
+} variants[] = {
+#if (__NR_timerfd_gettime != __LTP__NR_INVALID_SYSCALL)
+ { .tfd_gettime = sys_timerfd_gettime, .desc = "syscall with old kernel spec"},
+#endif
+
+#if (__NR_timerfd_gettime64 != __LTP__NR_INVALID_SYSCALL)
+ { .tfd_gettime = sys_timerfd_gettime64, .desc = "syscall time64 with kernel spec"},
+#endif
+};

-int main(int argc, char *argv[])
+static void setup(void)
{
- int lc;
- int i;
-
- tst_parse_opts(argc, argv, NULL, NULL);
-
- setup();
+ tst_res(TINFO, "Testing variant: %s", variants[tst_variant].desc);
+ bad_addr = tst_get_bad_addr(NULL);

- for (lc = 0; TEST_LOOPING(lc); lc++) {
- tst_count = 0;
- for (i = 0; i < TST_TOTAL; i++)
- timerfd_gettime_verify(&test_cases[i]);
+ clockfd = timerfd_create(CLOCK_REALTIME, 0);
+ if (clockfd == -1) {
+ tst_brk(TFAIL | TERRNO, "timerfd_create() fail");
+ return;
}

- cleanup();
- tst_exit();
+ fd = SAFE_OPEN("test_file", O_RDWR | O_CREAT, 0644);
}

-static void setup(void)
+static void cleanup(void)
{
- if ((tst_kvercmp(2, 6, 25)) < 0)
- tst_brkm(TCONF, NULL, "This test needs kernel 2.6.25 or newer");
-
- tst_sig(NOFORK, DEF_HANDLER, cleanup);
-
- TEST_PAUSE;
-
- tst_tmpdir();
-
- clockfd = timerfd_create(CLOCK_REALTIME, 0);
- if (clockfd == -1)
- tst_brkm(TBROK | TERRNO, cleanup, "timerfd_create() fail");
+ if (clockfd > 0)
+ close(clockfd);

- fd = SAFE_OPEN(cleanup, "test_file", O_RDWR | O_CREAT, 0644);
+ if (fd > 0)
+ close(fd);
}

-static void timerfd_gettime_verify(const struct test_case_t *test)
+static void run(unsigned int n)
{
- TEST(timerfd_gettime(*test->fd, test->curr_value));
+ struct test_variants *tv = &variants[tst_variant];
+ struct test_case_t *test = &test_cases[n];
+ void *its;

- if (TEST_RETURN != -1) {
- tst_resm(TFAIL, "timerfd_gettime() succeeded unexpectedly");
+ if (test->exp_errno == EFAULT)
+ its = bad_addr;
+ else
+ its = tst_its_get(test->curr_value);
+
+ TEST(tv->tfd_gettime(*test->fd, its));
+
+ if (TST_RET != -1) {
+ tst_res(TFAIL, "timerfd_gettime() succeeded unexpectedly");
return;
}

- if (TEST_ERRNO == test->exp_errno) {
- tst_resm(TPASS | TTERRNO,
- "timerfd_gettime() failed as expected");
+ if (TST_ERR == test->exp_errno) {
+ tst_res(TPASS | TTERRNO,
+ "timerfd_gettime() failed as expected");
} else {
- tst_resm(TFAIL | TTERRNO,
- "timerfd_gettime() failed unexpectedly; expected: "
- "%d - %s", test->exp_errno, strerror(test->exp_errno));
+ tst_res(TFAIL | TTERRNO,
+ "timerfd_gettime() failed unexpectedly; expected: "
+ "%d - %s", test->exp_errno, strerror(test->exp_errno));
}
}

-static void cleanup(void)
-{
- if (clockfd > 0)
- close(clockfd);
-
- if (fd > 0)
- close(fd);
-
- tst_rmdir();
-}
+static struct tst_test test = {
+ .test = run,
+ .tcnt = ARRAY_SIZE(test_cases),
+ .test_variants = ARRAY_SIZE(variants),
+ .setup = setup,
+ .cleanup = cleanup,
+ .needs_tmpdir = 1,
+ .min_kver = "2.6.25",
+};
diff --git a/testcases/kernel/syscalls/timerfd/timerfd_settime01.c b/testcases/kernel/syscalls/timerfd/timerfd_settime01.c
index 2e65d23ae825..2fd64c1c6a04 100644
--- a/testcases/kernel/syscalls/timerfd/timerfd_settime01.c
+++ b/testcases/kernel/syscalls/timerfd/timerfd_settime01.c
@@ -1,20 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (c) 2014 Fujitsu Ltd.
* Author: Zeng Linggang <zenglg.jy@cn.fujitsu.com>
*
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of version 2 of the GNU General Public License as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it would be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-/*
* DESCRIPTION
* Verify that,
* 1. fd is not a valid file descriptor, EBADF would return.
@@ -25,13 +13,7 @@

#define _GNU_SOURCE

-#include <errno.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-
-#include "test.h"
-#include "safe_macros.h"
+#include "tst_timer.h"
#include "lapi/timerfd.h"

char *TCID = "timerfd_settime01";
@@ -39,80 +21,51 @@ char *TCID = "timerfd_settime01";
static int bad_clockfd = -1;
static int clockfd;
static int fd;
+static void *bad_addr;

static struct test_case_t {
int *fd;
int flags;
- struct itimerspec *old_value;
+ struct tst_its *old_value;
int exp_errno;
} test_cases[] = {
{&bad_clockfd, 0, NULL, EBADF},
- {&clockfd, 0, (struct itimerspec *)-1, EFAULT},
+ {&clockfd, 0, NULL, EFAULT},
{&fd, 0, NULL, EINVAL},
{&clockfd, -1, NULL, EINVAL},
};

-int TST_TOTAL = ARRAY_SIZE(test_cases);
-static void setup(void);
-static void timerfd_settime_verify(const struct test_case_t *);
-static void cleanup(void);
-static struct itimerspec new_value;
+static struct tst_its new_value;

-int main(int argc, char *argv[])
-{
- int lc;
- int i;
-
- tst_parse_opts(argc, argv, NULL, NULL);
+static struct test_variants {
+ int (*tfd_settime)(int fd, int flags, void *new_value, void *old_value);
+ enum tst_ts_type type;
+ char *desc;
+} variants[] = {
+#if (__NR_timerfd_settime != __LTP__NR_INVALID_SYSCALL)
+ { .tfd_settime = sys_timerfd_settime, .type = TST_KERN_OLD_TIMESPEC, .desc = "syscall with old kernel spec"},
+#endif

- setup();
-
- for (lc = 0; TEST_LOOPING(lc); lc++) {
- tst_count = 0;
- for (i = 0; i < TST_TOTAL; i++)
- timerfd_settime_verify(&test_cases[i]);
- }
-
- cleanup();
- tst_exit();
-}
+#if (__NR_timerfd_settime64 != __LTP__NR_INVALID_SYSCALL)
+ { .tfd_settime = sys_timerfd_settime64, .type = TST_KERN_TIMESPEC, .desc = "syscall time64 with kernel spec"},
+#endif
+};

static void setup(void)
{
- if ((tst_kvercmp(2, 6, 25)) < 0)
- tst_brkm(TCONF, NULL, "This test needs kernel 2.6.25 or newer");
-
- tst_sig(NOFORK, DEF_HANDLER, cleanup);
+ struct test_variants *tv = &variants[tst_variant];

- TEST_PAUSE;
-
- tst_tmpdir();
+ tst_res(TINFO, "Testing variant: %s", tv->desc);
+ bad_addr = tst_get_bad_addr(NULL);
+ new_value.type = tv->type;

clockfd = timerfd_create(CLOCK_REALTIME, 0);
- if (clockfd == -1)
- tst_brkm(TBROK | TERRNO, cleanup, "timerfd_create() fail");
-
- fd = SAFE_OPEN(cleanup, "test_file", O_RDWR | O_CREAT, 0644);
-}
-
-static void timerfd_settime_verify(const struct test_case_t *test)
-{
- TEST(timerfd_settime(*test->fd, test->flags, &new_value,
- test->old_value));
-
- if (TEST_RETURN != -1) {
- tst_resm(TFAIL, "timerfd_settime() succeeded unexpectedly");
+ if (clockfd == -1) {
+ tst_brk(TFAIL | TERRNO, "timerfd_create() fail");
return;
}

- if (TEST_ERRNO == test->exp_errno) {
- tst_resm(TPASS | TTERRNO,
- "timerfd_settime() failed as expected");
- } else {
- tst_resm(TFAIL | TTERRNO,
- "timerfd_settime() failed unexpectedly; expected: "
- "%d - %s", test->exp_errno, strerror(test->exp_errno));
- }
+ fd = SAFE_OPEN("test_file", O_RDWR | O_CREAT, 0644);
}

static void cleanup(void)
@@ -122,6 +75,43 @@ static void cleanup(void)

if (fd > 0)
close(fd);
+}
+
+static void run(unsigned int n)
+{
+ struct test_variants *tv = &variants[tst_variant];
+ struct test_case_t *test = &test_cases[n];
+ void *its;
+
+ if (test->exp_errno == EFAULT)
+ its = bad_addr;
+ else
+ its = tst_its_get(test->old_value);

- tst_rmdir();
+ TEST(tv->tfd_settime(*test->fd, test->flags, tst_its_get(&new_value),
+ its));
+
+ if (TST_RET != -1) {
+ tst_res(TFAIL, "timerfd_settime() succeeded unexpectedly");
+ return;
+ }
+
+ if (TST_ERR == test->exp_errno) {
+ tst_res(TPASS | TTERRNO,
+ "timerfd_settime() failed as expected");
+ } else {
+ tst_res(TFAIL | TTERRNO,
+ "timerfd_settime() failed unexpectedly; expected: "
+ "%d - %s", test->exp_errno, strerror(test->exp_errno));
+ }
}
+
+static struct tst_test test = {
+ .test = run,
+ .tcnt = ARRAY_SIZE(test_cases),
+ .test_variants = ARRAY_SIZE(variants),
+ .setup = setup,
+ .cleanup = cleanup,
+ .needs_tmpdir = 1,
+ .min_kver = "2.6.25",
+};
diff --git a/testcases/kernel/syscalls/timerfd/timerfd_settime02.c b/testcases/kernel/syscalls/timerfd/timerfd_settime02.c
index 0565802f4288..c15b69dca9ca 100644
--- a/testcases/kernel/syscalls/timerfd/timerfd_settime02.c
+++ b/testcases/kernel/syscalls/timerfd/timerfd_settime02.c
@@ -15,8 +15,8 @@
* timerfd: Protect the might cancel mechanism proper
*/
#include <unistd.h>
+#include "tst_timer.h"
#include "tst_safe_timerfd.h"
-#include "tst_test.h"
#include "tst_fuzzy_sync.h"
#include "tst_taint.h"

@@ -27,11 +27,30 @@
#endif

static int fd = -1;
-static struct itimerspec its;
+static struct tst_its its;
static struct tst_fzsync_pair fzsync_pair;

+static struct test_variants {
+ int (*tfd_settime)(int fd, int flags, void *new_value, void *old_value);
+ enum tst_ts_type type;
+ char *desc;
+} variants[] = {
+#if (__NR_timerfd_settime != __LTP__NR_INVALID_SYSCALL)
+ { .tfd_settime = sys_timerfd_settime, .type = TST_KERN_OLD_TIMESPEC, .desc = "syscall with old kernel spec"},
+#endif
+
+#if (__NR_timerfd_settime64 != __LTP__NR_INVALID_SYSCALL)
+ { .tfd_settime = sys_timerfd_settime64, .type = TST_KERN_TIMESPEC, .desc = "syscall time64 with kernel spec"},
+#endif
+};
+
static void setup(void)
{
+ struct test_variants *tv = &variants[tst_variant];
+
+ tst_res(TINFO, "Testing variant: %s", tv->desc);
+ its.type = tv->type;
+
tst_taint_init(TST_TAINT_W | TST_TAINT_D);
fd = SAFE_TIMERFD_CREATE(CLOCK_REALTIME, 0);

@@ -48,7 +67,9 @@ static void cleanup(void)

static int punch_clock(int flags)
{
- return timerfd_settime(fd, flags, &its, NULL);
+ return variants[tst_variant].tfd_settime(fd, flags, tst_its_get(&its),
+ NULL);
+
}

static void *thread_run(void *arg)
@@ -91,6 +112,7 @@ static void run(void)

static struct tst_test test = {
.test_all = run,
+ .test_variants = ARRAY_SIZE(variants),
.setup = setup,
.cleanup = cleanup,
.min_kver = "2.6.25",
--
2.25.0.rc1.19.g042ed3e048af