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Enhanced Timer Handling and Testing for One Shot Timer #2562

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Enhanced Timer Handling and Testing for One Shot Timer #2562

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3249a83
Update timer handling to properly respect the it_value field
hckuo Jan 7, 2025
c20a4cf
test: zdtm: Enhance timers test with multiple timer configurations
hckuo Jan 8, 2025
c4a378b
timer: Refine itimer_armed logic and improve timer value handling
hckuo Jan 21, 2025
6b1cc57
Revert "test: zdtm: Enhance timers test with multiple timer configura…
hckuo Jan 21, 2025
694b149
test/zdtm: add a new test to check non-periodic timers
hckuo Jan 21, 2025
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32 changes: 21 additions & 11 deletions test/zdtm/static/timers.c
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Original file line number Diff line number Diff line change
Expand Up @@ -33,21 +33,17 @@ static void timer_tick(int sig)
}
}

static void setup_timers(void)
static void setup_timers(const struct itimerval *tv)
{
int i;
struct itimerval tv = {
.it_interval = { .tv_sec = 0, .tv_usec = 100000 },
.it_value = { .tv_sec = 0, .tv_usec = 100 },
};

for (i = 0; i < NUM_TIMERS; i++) {
if (signal(timer_tests[i].signal, timer_tick) == SIG_ERR) {
pr_perror("can't set signal handler %d", i);
exit(1);
}

if (setitimer(timer_tests[i].timer_type, &tv, NULL) < 0) {
if (setitimer(timer_tests[i].timer_type, tv, NULL) < 0) {
pr_perror("can't set timer %d", i);
exit(1);
}
Expand Down Expand Up @@ -77,13 +73,27 @@ static void check_timers(void)

int main(int argc, char **argv)
{
test_init(argc, argv);
const struct itimerval tv = {
.it_interval = { .tv_sec = 0, .tv_usec = 100000 },
.it_value = { .tv_sec = 0, .tv_usec = 100 },
};
const struct itimerval oneshot_tv = {
.it_interval = { .tv_sec = 0, .tv_usec = 0 },
.it_value = { .tv_sec = 1, .tv_usec = 100 },
};
const struct itimerval tvs[2] = {
tv,
oneshot_tv,
};

setup_timers();
test_init(argc, argv);
for (int i = 0; i < 2; i++) {
setup_timers(&tvs[i]);

test_daemon();
test_waitsig();
test_daemon();
test_waitsig();

check_timers();
check_timers();
}
return 0;
}
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