thread_ids.h

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// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the Apache 2.0 License.
#pragma once
 
#define FMT_HEADER_ONLY
#include <fmt/format.h>
#include <fmt/ostream.h>
#include <fmt/std.h>
#include <limits>
#include <map>
#include <thread>
 
namespace ccf::threading
{
  // Assign monotonic thread IDs for display + storage
  using ThreadID = uint16_t;
  static constexpr ThreadID invalid_thread_id =
    std::numeric_limits<ThreadID>::max();
 
  static constexpr ThreadID MAIN_THREAD_ID = 0;
 
  uint16_t get_current_thread_id();
  void set_current_thread_id(ThreadID to);
  void reset_thread_id_generator(ThreadID to = MAIN_THREAD_ID);
}