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Diffstat (limited to '')
-rw-r--r-- | src/core/hle/kernel/readable_event.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/src/core/hle/kernel/readable_event.h b/src/core/hle/kernel/readable_event.h new file mode 100644 index 000000000..80b3b0aba --- /dev/null +++ b/src/core/hle/kernel/readable_event.h @@ -0,0 +1,66 @@ +// Copyright 2014 Citra Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#pragma once + +#include "core/hle/kernel/object.h" +#include "core/hle/kernel/wait_object.h" + +union ResultCode; + +namespace Kernel { + +class KernelCore; +class WritableEvent; + +class ReadableEvent final : public WaitObject { + friend class WritableEvent; + +public: + ~ReadableEvent() override; + + std::string GetTypeName() const override { + return "ReadableEvent"; + } + std::string GetName() const override { + return name; + } + + ResetType GetResetType() const { + return reset_type; + } + + static const HandleType HANDLE_TYPE = HandleType::ReadableEvent; + HandleType GetHandleType() const override { + return HANDLE_TYPE; + } + + bool ShouldWait(Thread* thread) const override; + void Acquire(Thread* thread) override; + + void WakeupAllWaitingThreads() override; + + /// Unconditionally clears the readable event's state. + void Clear(); + + /// Clears the readable event's state if and only if it + /// has already been signaled. + /// + /// @pre The event must be in a signaled state. If this event + /// is in an unsignaled state and this function is called, + /// then ERR_INVALID_STATE will be returned. + ResultCode Reset(); + +private: + explicit ReadableEvent(KernelCore& kernel); + + void Signal(); + + ResetType reset_type; + bool signaled; + + std::string name; ///< Name of event (optional) +}; + +} // namespace Kernel |