46 lines
1.6 KiB
C++
46 lines
1.6 KiB
C++
/**
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******************************************************************************
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* Xenia : Xbox 360 Emulator Research Project *
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******************************************************************************
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* Copyright 2022 Ben Vanik. All rights reserved. *
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* Released under the BSD license - see LICENSE in the root for more details. *
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******************************************************************************
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*
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* @modified Tom Clay, 2026 - Adapted for ReXGlue runtime
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*/
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#include <rex/system/xiocompletion.h>
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namespace rex::system {
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XIOCompletion::XIOCompletion(KernelState* kernel_state) : XObject(kernel_state, kObjectType) {
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notification_semaphore_ = rex::thread::Semaphore::Create(0, kMaxNotifications);
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assert_not_null(notification_semaphore_);
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}
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XIOCompletion::~XIOCompletion() = default;
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void XIOCompletion::QueueNotification(IONotification& notification) {
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std::unique_lock<std::mutex> lock(notification_lock_);
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notifications_.push(notification);
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notification_semaphore_->Release(1, nullptr);
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}
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bool XIOCompletion::WaitForNotification(uint64_t wait_ticks, IONotification* notify) {
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auto ms = std::chrono::milliseconds(TimeoutTicksToMs(wait_ticks));
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auto res = rex::thread::Wait(notification_semaphore_.get(), false, ms);
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if (res == rex::thread::WaitResult::kSuccess) {
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std::unique_lock<std::mutex> lock(notification_lock_);
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assert_false(notifications_.empty());
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std::memcpy(notify, ¬ifications_.front(), sizeof(IONotification));
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notifications_.pop();
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return true;
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}
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return false;
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}
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} // namespace rex::system
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