47 lines
1.5 KiB
Diff
47 lines
1.5 KiB
Diff
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diff --git a/dlls/ntdll/unix/sync.c b/dlls/ntdll/unix/sync.c
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index e303367c29f..3723d21f885 100644
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--- a/dlls/ntdll/unix/sync.c
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+++ b/dlls/ntdll/unix/sync.c
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@@ -2788,10 +2788,39 @@ NTSTATUS WINAPI NtDelayExecution( BOOLEAN alertable, const LARGE_INTEGER *timeou
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}
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else
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{
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+ LONGLONG ticks = timeout->QuadPart;
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LARGE_INTEGER now;
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- timeout_t when, diff;
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+ timeout_t when = ticks, diff;
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- if ((when = timeout->QuadPart) < 0)
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+#if defined(HAVE_CLOCK_GETTIME) && defined(HAVE_CLOCK_NANOSLEEP)
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+ static BOOL disable_clock_nanosleep = FALSE;
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+ if (!disable_clock_nanosleep && ticks != 0)
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+ {
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+ struct timespec when;
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+ int err;
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+
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+ if (ticks < 0)
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+ {
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+ clock_gettime( CLOCK_REALTIME, &when );
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+ when.tv_sec += (time_t)(-ticks / TICKSPERSEC);
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+ when.tv_nsec += (long)((-ticks % TICKSPERSEC) * 100);
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+ }
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+ else
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+ {
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+ when.tv_sec = (time_t)((ticks / TICKSPERSEC) - SECS_1601_TO_1970);
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+ when.tv_nsec = (long)((ticks % TICKSPERSEC) * 100);
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+ }
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+
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+ usleep(0);
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+ while ((err = clock_nanosleep( CLOCK_REALTIME, TIMER_ABSTIME, &when, NULL )) == EINTR);
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+ if (!err)
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+ return STATUS_SUCCESS;
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+ else
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+ disable_clock_nanosleep = TRUE;
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+ }
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+#endif
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+
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+ if (when < 0)
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{
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NtQuerySystemTime( &now );
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when = now.QuadPart - when;
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