event_object.h

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#pragma once
 
#include <atomic>
#include <memory>
 
#include <rex/assert.h>
#include <rex/kernel/object/object.h>
#include <rex/kernel/types/list.h>
#include <rex/kernel/types/memory.h>
#include <rex/kernel/types/status.h>
#include <rex/kernel/types/thread.h>
#include <rex/module.h>
#include <rex/platform.h>
#include <rex/platform/sync.h>
#include <rex/platform/thread.h>
#include <rex/platform/timer.h>
#include <rex/result.h>
#include <rex/types.h>
 
namespace rex::kernel {
 
struct X_KEVENT {
  X_DISPATCH_HEADER header;
};
REX_STATIC_ASSERT_SIZE(X_KEVENT, 0x10);
 
class IGuestEvent {
 public:
  virtual ~IGuestEvent() = default;

  virtual i32 Set() = 0;

  virtual i32 Reset() = 0;
};
 
struct EventObject : IGuestEvent {
  REX_KERNEL_API EventObject(bool manual_reset_in, bool initial_state);

  REX_KERNEL_API explicit EventObject(const X_DISPATCH_HEADER& header);

  std::atomic<bool> manual_reset{false};
  PublishedPtr<rex::platform::Event> event;

  REX_KERNEL_API void Query(u32* out_type, u32* out_state);
 
  REX_KERNEL_API i32 Set() override;

  REX_KERNEL_API i32 Pulse();
 
  REX_KERNEL_API i32 Reset() override;
};
 
}  // namespace rex::kernel