composer/hwc_buffer_sync_handler.h

/*
* Copyright (c) 2015, 2019-2020, The Linux Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
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*    with the distribution.
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#ifndef __HWC_BUFFER_SYNC_HANDLER_H__
#define __HWC_BUFFER_SYNC_HANDLER_H__

#include <sys/mman.h>
#include <fcntl.h>
#include <core/sdm_types.h>
#include <core/buffer_sync_handler.h>

namespace sdm {

class HWCBufferSyncHandler : public BufferSyncHandler {
 public:
  virtual DisplayError SyncWait(int fd);
  virtual DisplayError SyncWait(int fd, int timeout);
  virtual DisplayError SyncMerge(int fd1, int fd2, int *merged_fd);
  virtual bool IsSyncSignaled(int fd);
  virtual void GetSyncInfo(int fd, std::ostringstream *os);

 private:
  HWCBufferSyncHandler();

  static HWCBufferSyncHandler g_hwc_buffer_sync_handler_;
};

}  // namespace sdm
#endif  // __HWC_BUFFER_SYNC_HANDLER_H__