mirrors/linux
2
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-08-31 08:15:07 -04:00
Code Issues Packages Projects Releases Wiki Activity

selftests: timers: nanosleep: Reuse kselftest error numbers

Browse Source 
The test currently defines its own custom error numbers.
These mirror the semantics from the standard KFST_* constants.

To make the code easier to read, use the standard result constants.

Signed-off-by: Thomas Weißschuh (Schneider Electric) <thomas.weissschuh@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@kernel.org>
Acked-by: John Stultz <jstultz@google.com>
Link: https://patch.msgid.link/20260803-auxclock-nanosleep-prep-v2-10-910cbd485390@linutronix.de
This commit is contained in:
Thomas Weißschuh (Schneider Electric)
2026-08-03 12:04:41 +02:00
committed by Thomas Gleixner
parent 2999620932
commit bfe5bf0c5f
1 changed files with 17 additions and 19 deletions
Download Patch File Download Diff File Expand all files Collapse all files

36
tools/testing/selftests/timers/nanosleep.c
View File

@@ -30,8 +30,6 @@
#include "clock-helpers.h"
#include "kselftest.h"
#define UNSUPPORTED 0xf00f
/* returns 1 if a <= b, 0 otherwise */
static inline int in_order(struct timespec a, struct timespec b)
{
@@ -60,15 +58,15 @@ int nanosleep_test(int clockid, long long ns)
/* First check abs time */
if (clock_gettime(clockid, &now))
return UNSUPPORTED;
return KSFT_SKIP;
target = timespec_add(now, ns);
if (clock_nanosleep(clockid, TIMER_ABSTIME, &target, NULL))
return UNSUPPORTED;
return KSFT_SKIP;
clock_gettime(clockid, &now);
if (!in_order(target, now))
return -1;
return KSFT_FAIL;
/* Second check reltime */
clock_gettime(clockid, &now);
@@ -80,8 +78,8 @@ int nanosleep_test(int clockid, long long ns)
clock_gettime(clockid, &now);
if (!in_order(target, now))
return -1;
return 0;
return KSFT_FAIL;
return KSFT_PASS;
}
static void dummy_event_handler(int val)
@@ -100,38 +98,38 @@ static int nanosleep_test_remaining(int clockid)
sa.sa_handler = dummy_event_handler;
ret = sigaction(SIGALRM, &sa, NULL);
if (ret)
return -1;
return KSFT_FAIL;
ret = timer_create(clockid, NULL, &timer);
if (ret)
return -1;
return KSFT_FAIL;
itimer.it_value.tv_nsec = NSEC_PER_SEC / 4;
ret = timer_settime(timer, 0, &itimer, NULL);
if (ret)
return -1;
return KSFT_FAIL;
rqtp.tv_nsec = NSEC_PER_SEC / 2;
ret = clock_nanosleep(clockid, 0, &rqtp, &rmtp);
if (ret != EINTR)
return -1;
return KSFT_FAIL;
ret = timer_delete(timer);
if (ret)
return -1;
return KSFT_FAIL;
sa.sa_handler = SIG_DFL;
ret = sigaction(SIGALRM, &sa, NULL);
if (ret)
return -1;
return KSFT_FAIL;
if (!in_order((struct timespec) {}, rmtp))
return -1;
return KSFT_FAIL;
if (!in_order(rmtp, rqtp))
return -1;
return KSFT_FAIL;
return 0;
return KSFT_PASS;
}
int main(int argc, char **argv)
@@ -159,18 +157,18 @@ int main(int argc, char **argv)
length = 10;
while (length <= (NSEC_PER_SEC * 10)) {
ret = nanosleep_test(clockid, length);
if (ret == UNSUPPORTED) {
if (ret == KSFT_SKIP) {
ksft_test_result_skip("%s\n", clock_name(clockid));
goto next;
}
if (ret < 0) {
if (ret == KSFT_FAIL) {
ksft_test_result_fail("%s\n", clock_name(clockid));
ksft_exit_fail();
}
length *= 100;
}
ret = nanosleep_test_remaining(clockid);
if (ret < 0) {
if (ret == KSFT_FAIL) {
ksft_test_result_fail("%s\n", clock_name(clockid));
ksft_exit_fail();
}