llvm/compiler-rt/lib/xray/xray_buffer_queue.h

//===-- xray_buffer_queue.h ------------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file is a part of XRay, a dynamic runtime instrumentation system.
//
// Defines the interface for a buffer queue implementation.
//
//===----------------------------------------------------------------------===//
#ifndef XRAY_BUFFER_QUEUE_H
#define XRAY_BUFFER_QUEUE_H

#include "sanitizer_common/sanitizer_atomic.h"
#include "sanitizer_common/sanitizer_common.h"
#include "sanitizer_common/sanitizer_mutex.h"
#include "xray_defs.h"
#include <cstddef>
#include <cstdint>

namespace __xray {

/// BufferQueue implements a circular queue of fixed sized buffers (much like a
/// freelist) but is concerned with making it quick to initialise, finalise, and
/// get from or return buffers to the queue. This is one key component of the
/// "flight data recorder" (FDR) mode to support ongoing XRay function call
/// trace collection.
class BufferQueue { … };

} // namespace __xray

#endif // XRAY_BUFFER_QUEUE_H