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server: Fill the TimeZoneBias member of KSHARED_USER_DATA. 

Signed-off-by: Zebediah Figura <zfigura@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Zebediah Figura 2021-09-03 16:15:27 -05:00 committed by Alexandre Julliard
parent 09dd801291
commit dd9eacff4e
2 changed files with 28 additions and 0 deletions
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8
dlls/ntdll/tests/time.c
View File

@ -410,7 +410,9 @@ static ULONGLONG read_ksystem_time(volatile KSYSTEM_TIME *time)
static void test_user_shared_data_time(void)
{
KSHARED_USER_DATA *user_shared_data = (void *)0x7ffe0000;
SYSTEM_TIMEOFDAY_INFORMATION timeofday;
ULONGLONG t1, t2, t3;
NTSTATUS status;
int i = 0;
i = 0;
@ -464,6 +466,12 @@ static void test_user_shared_data_time(void)
ok(t2 <= t3, "USD InterruptTime / RtlQueryUnbiasedInterruptTime are out of order %s %s\n",
wine_dbgstr_longlong(t2), wine_dbgstr_longlong(t3));
}
t1 = read_ksystem_time(&user_shared_data->TimeZoneBias);
status = NtQuerySystemInformation(SystemTimeOfDayInformation, &timeofday, sizeof(timeofday), NULL);
ok(!status, "failed to query time of day, status %#x\n", status);
ok(timeofday.TimeZoneBias.QuadPart == t1, "got USD bias %I64u, ntdll bias %I64u\n",
t1, timeofday.TimeZoneBias.QuadPart);
}
START_TEST(time)

20
server/fd.c
View File

@ -410,6 +410,26 @@ static void atomic_store_long(volatile LONG *ptr, LONG value)
static void set_user_shared_data_time(void)
{
timeout_t tick_count = monotonic_time / 10000;
static timeout_t last_timezone_update;
timeout_t timezone_bias;
struct tm *tm;
time_t now;
if (monotonic_time - last_timezone_update > TICKS_PER_SEC)
{
now = time( NULL );
tm = gmtime( &now );
timezone_bias = mktime( tm ) - now;
tm = localtime( &now );
if (tm->tm_isdst) timezone_bias -= 3600;
timezone_bias *= TICKS_PER_SEC;
atomic_store_long(&user_shared_data->TimeZoneBias.High2Time, timezone_bias >> 32);
atomic_store_ulong(&user_shared_data->TimeZoneBias.LowPart, timezone_bias);
atomic_store_long(&user_shared_data->TimeZoneBias.High1Time, timezone_bias >> 32);
last_timezone_update = monotonic_time;
}
atomic_store_long(&user_shared_data->SystemTime.High2Time, current_time >> 32);
atomic_store_ulong(&user_shared_data->SystemTime.LowPart, current_time);