53 lines
1.5 KiB
C++
53 lines
1.5 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 2015 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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#ifndef XENIA_KERNEL_XIOCOMPLETION_H_
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#define XENIA_KERNEL_XIOCOMPLETION_H_
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#include <queue>
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#include "xenia/base/threading.h"
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#include "xenia/kernel/xobject.h"
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#include "xenia/xbox.h"
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namespace xe {
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namespace kernel {
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class XIOCompletion : public XObject {
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public:
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static const XObject::Type kObjectType = XObject::Type::IOCompletion;
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explicit XIOCompletion(KernelState* kernel_state);
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~XIOCompletion() override;
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struct IONotification {
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uint32_t key_context;
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uint32_t apc_context;
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uint32_t status;
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uint32_t num_bytes;
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};
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void QueueNotification(IONotification& notification);
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// Returns true if the wait ended because a notification was received.
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bool WaitForNotification(uint64_t wait_ticks, IONotification* notify);
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private:
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static const uint32_t kMaxNotifications = 1024;
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std::mutex notification_lock_;
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std::queue<IONotification> notifications_;
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std::unique_ptr<threading::Semaphore> notification_semaphore_ = nullptr;
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};
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} // namespace kernel
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} // namespace xe
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#endif // XENIA_KERNEL_XIOCOMPLETION_H_
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