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Fix SvcClearEvent resetting behaviour

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SvcClearEvent previously set the `signalled` flag directly rather than
calling `ResetSignal`, which skipped the locking necessary to make it
globally visible. Switch it to use `ResetSignal` to fix this.
This commit is contained in:
◱ PixelyIon 2021-02-18 11:51:11 +00:00 committed by ◱ Mark
parent a621408b9c
commit 861d7e9eb2
1 changed files with 10 additions and 3 deletions
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11
app/src/main/cpp/skyline/kernel/svc.cpp
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@ -443,9 +443,16 @@ namespace skyline::kernel::svc {
} }
void ClearEvent(const DeviceState &state) { void ClearEvent(const DeviceState &state) {
auto object{state.process->GetHandle<type::KEvent>(state.ctx->gpr.w0)}; KHandle handle{state.ctx->gpr.w0};
object->signalled = false; try {
std::static_pointer_cast<type::KEvent>(state.process->GetHandle(handle))->ResetSignal();
state.logger->Debug("svcClearEvent: Clearing event: 0x{:X}", handle);
state.ctx->gpr.w0 = Result{}; state.ctx->gpr.w0 = Result{};
} catch (const std::out_of_range &) {
state.logger->Warn("svcClearEvent: 'handle' invalid: 0x{:X}", handle);
state.ctx->gpr.w0 = result::InvalidHandle;
return;
}
} }
void MapSharedMemory(const DeviceState &state) { void MapSharedMemory(const DeviceState &state) {