chromium/base/threading/thread_local_storage.h

// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef BASE_THREADING_THREAD_LOCAL_STORAGE_H_
#define BASE_THREADING_THREAD_LOCAL_STORAGE_H_

#include <stdint.h>

#include "base/base_export.h"
#include "build/build_config.h"

#if BUILDFLAG(IS_WIN)
#include "base/win/windows_types.h"
#elif BUILDFLAG(IS_POSIX) || BUILDFLAG(IS_FUCHSIA)
#include <pthread.h>
#endif

namespace base {

class SamplingHeapProfiler;

namespace debug {
class GlobalActivityTracker;
}  // namespace debug

namespace trace_event {
class MallocDumpProvider;
}  // namespace trace_event

namespace internal {

class ThreadLocalStorageTestInternal;

// WARNING: You should *NOT* use this class directly.
// PlatformThreadLocalStorage is a low-level abstraction of the OS's TLS
// interface. Instead, you should use one of the following:
// * ThreadLocalOwnedPointer (from thread_local.h) for unique_ptrs.
// * ThreadLocalStorage::StaticSlot/Slot for more direct control of the slot.
class BASE_EXPORT PlatformThreadLocalStorage { … };

}  // namespace internal

// Wrapper for thread local storage.  This class doesn't do much except provide
// an API for portability.
class BASE_EXPORT ThreadLocalStorage { … };

}  // namespace base

#endif  // BASE_THREADING_THREAD_LOCAL_STORAGE_H_