HostNativeThreadBase.h

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//===-- HostNativeThreadBase.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
//
//===----------------------------------------------------------------------===//
 
#ifndef LLDB_HOST_HOSTNATIVETHREADBASE_H
#define LLDB_HOST_HOSTNATIVETHREADBASE_H
 
#include "lldb/Utility/Status.h"
#include "lldb/lldb-defines.h"
#include "lldb/lldb-types.h"
 
namespace lldb_private {
 
#if defined(_WIN32)
#define THREAD_ROUTINE __stdcall
#else
#define THREAD_ROUTINE
#endif
 
class HostNativeThreadBase {
  friend class ThreadLauncher;
  HostNativeThreadBase(const HostNativeThreadBase &) = delete;
  const HostNativeThreadBase &operator=(const HostNativeThreadBase &) = delete;
 
public:
  HostNativeThreadBase() = default;
  explicit HostNativeThreadBase(lldb::thread_t thread);
  virtual ~HostNativeThreadBase() = default;
 
  virtual Status Join(lldb::thread_result_t *result) = 0;
  virtual Status Cancel() = 0;
  virtual bool IsJoinable() const;
  virtual void Reset();
  virtual bool EqualsThread(lldb::thread_t thread) const;
  lldb::thread_t Release();
 
  lldb::thread_t GetSystemHandle() const;
  lldb::thread_result_t GetResult() const;
 
protected:
  static lldb::thread_result_t THREAD_ROUTINE
  ThreadCreateTrampoline(lldb::thread_arg_t arg);
 
  lldb::thread_t m_thread = LLDB_INVALID_HOST_THREAD;
  lldb::thread_result_t m_result = 0; // NOLINT(modernize-use-nullptr)
};
}
 
#endif