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[XThread] Changed behaviour for threads requesting Yield with non-alertable state

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Gliniak 2025-05-21 22:47:10 +02:00 committed by Radosław Gliński
parent 4702bfb94c
commit fe0e18466f
1 changed files with 12 additions and 8 deletions
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20
src/xenia/kernel/xthread.cc
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@ -764,13 +764,8 @@ X_STATUS XThread::Delay(uint32_t processor_mode, uint32_t alertable,
timeout_ms = uint32_t(-timeout_ticks / 10000); // Ticks -> MS timeout_ms = uint32_t(-timeout_ticks / 10000); // Ticks -> MS
} else { } else {
timeout_ms = 0; timeout_ms = 0;
// TODO(Gliniak): Check how it works, but it seems outright wrong.
// However some titles like to change priority then go to sleep with timeout
// 0.
if (priority_ <= xe::threading::ThreadPriority::kBelowNormal) {
timeout_ms = 1;
}
} }
timeout_ms = Clock::ScaleGuestDurationMillis(timeout_ms); timeout_ms = Clock::ScaleGuestDurationMillis(timeout_ms);
if (alertable) { if (alertable) {
auto result = auto result =
@ -783,9 +778,18 @@ X_STATUS XThread::Delay(uint32_t processor_mode, uint32_t alertable,
return X_STATUS_USER_APC; return X_STATUS_USER_APC;
} }
} else { } else {
xe::threading::Sleep(std::chrono::milliseconds(timeout_ms)); if (timeout_ms == 0) {
return X_STATUS_SUCCESS; if (priority_ <= xe::threading::ThreadPriority::kBelowNormal) {
xe::threading::NanoSleep(100);
} else {
xe::threading::MaybeYield();
}
} else {
xe::threading::Sleep(std::chrono::milliseconds(timeout_ms));
}
} }
return X_STATUS_SUCCESS;
} }
struct ThreadSavedState { struct ThreadSavedState {