linux-kselftest-4.8-rc1-fixes

This fixes update for Kselftest adds:
 
 - Adds a new timer set-tz test case
 - Fixes a bug in exec test Makefile dependency list
 -
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Merge tag 'linux-kselftest-4.8-rc1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest

Pull kselftest fixes from Shuah Khan:

 - Add a new timer set-tz test case

 - Fix a bug in exec test Makefile dependency list

* tag 'linux-kselftest-4.8-rc1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
  selftests/exec: Makefile is a run-time dependency, add it to the install list
  kselftests: timers: Add set-tz test case
This commit is contained in:
Linus Torvalds 2016-08-01 16:51:02 -04:00
commit 1571a03daf
3 changed files with 123 additions and 2 deletions

View File

@ -18,7 +18,8 @@ execveat.denatured: execveat
$(CC) $(CFLAGS) -o $@ $^
TEST_PROGS := execveat
TEST_FILES := $(DEPS)
# Makefile is a run-time dependency, since it's accessed by the execveat test
TEST_FILES := $(DEPS) Makefile
include ../lib.mk

View File

@ -10,7 +10,7 @@ TEST_PROGS = posix_timers nanosleep nsleep-lat set-timer-lat mqueue-lat \
TEST_PROGS_EXTENDED = alarmtimer-suspend valid-adjtimex adjtick change_skew \
skew_consistency clocksource-switch leap-a-day \
leapcrash set-tai set-2038
leapcrash set-tai set-2038 set-tz
bins = $(TEST_PROGS) $(TEST_PROGS_EXTENDED)
@ -30,6 +30,7 @@ run_destructive_tests: run_tests
./clocksource-switch
./leap-a-day -s -i 10
./leapcrash
./set-tz
./set-tai
./set-2038

View File

@ -0,0 +1,119 @@
/* Set tz value
* by: John Stultz <john.stultz@linaro.org>
* (C) Copyright Linaro 2016
* Licensed under the GPLv2
*
* 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.
*/
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <sys/time.h>
#include <sys/timex.h>
#include <string.h>
#include <signal.h>
#include <unistd.h>
#ifdef KTEST
#include "../kselftest.h"
#else
static inline int ksft_exit_pass(void)
{
exit(0);
}
static inline int ksft_exit_fail(void)
{
exit(1);
}
#endif
int set_tz(int min, int dst)
{
struct timezone tz;
tz.tz_minuteswest = min;
tz.tz_dsttime = dst;
return settimeofday(0, &tz);
}
int get_tz_min(void)
{
struct timezone tz;
struct timeval tv;
memset(&tz, 0, sizeof(tz));
gettimeofday(&tv, &tz);
return tz.tz_minuteswest;
}
int get_tz_dst(void)
{
struct timezone tz;
struct timeval tv;
memset(&tz, 0, sizeof(tz));
gettimeofday(&tv, &tz);
return tz.tz_dsttime;
}
int main(int argc, char **argv)
{
int i, ret;
int min, dst;
min = get_tz_min();
dst = get_tz_dst();
printf("tz_minuteswest started at %i, dst at %i\n", min, dst);
printf("Checking tz_minuteswest can be properly set: ");
for (i = -15*60; i < 15*60; i += 30) {
ret = set_tz(i, dst);
ret = get_tz_min();
if (ret != i) {
printf("[FAILED] expected: %i got %i\n", i, ret);
goto err;
}
}
printf("[OK]\n");
printf("Checking invalid tz_minuteswest values are caught: ");
if (!set_tz(-15*60-1, dst)) {
printf("[FAILED] %i didn't return failure!\n", -15*60-1);
goto err;
}
if (!set_tz(15*60+1, dst)) {
printf("[FAILED] %i didn't return failure!\n", 15*60+1);
goto err;
}
if (!set_tz(-24*60, dst)) {
printf("[FAILED] %i didn't return failure!\n", -24*60);
goto err;
}
if (!set_tz(24*60, dst)) {
printf("[FAILED] %i didn't return failure!\n", 24*60);
goto err;
}
printf("[OK]\n");
set_tz(min, dst);
return ksft_exit_pass();
err:
set_tz(min, dst);
return ksft_exit_fail();
}