DXR will be turned off on Tuesday, December 29th. It will redirect to Searchfox.
See the announcement on Discourse.

DXR is a code search and navigation tool aimed at making sense of large projects. It supports full-text and regex searches as well as structural queries.

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef mozilla_PlatformMutex_h
#define mozilla_PlatformMutex_h

#include "mozilla/Attributes.h"
#include "mozilla/Move.h"

#if !defined(XP_WIN)
# include <pthread.h>
#endif

namespace mozilla {

namespace detail {

class ConditionVariableImpl;

class MutexImpl
{
public:
  struct PlatformData;

  MFBT_API MutexImpl();
  MFBT_API ~MutexImpl();

  bool operator==(const MutexImpl& rhs) {
    return platformData_ == rhs.platformData_;
  }

protected:
  MFBT_API void lock();
  MFBT_API void unlock();

private:
  MutexImpl(const MutexImpl&) = delete;
  void operator=(const MutexImpl&) = delete;
  MutexImpl(MutexImpl&&) = delete;
  void operator=(MutexImpl&&) = delete;

  PlatformData* platformData();

#if !defined(XP_WIN)
  void* platformData_[sizeof(pthread_mutex_t) / sizeof(void*)];
  static_assert(sizeof(pthread_mutex_t) / sizeof(void*) != 0 &&
                sizeof(pthread_mutex_t) % sizeof(void*) == 0,
                "pthread_mutex_t must have pointer alignment");
#else
  void* platformData_[6];
#endif

  friend class mozilla::detail::ConditionVariableImpl;
};

} // namespace detail

} // namespace mozilla

#endif // mozilla_PlatformMutex_h