electron/shell/common/gin_helper/locker.h

37 lines
998 B
C++

// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE.chromium file.
#ifndef SHELL_COMMON_GIN_HELPER_LOCKER_H_
#define SHELL_COMMON_GIN_HELPER_LOCKER_H_
#include <memory>
#include "v8/include/v8.h"
namespace gin_helper {
// Only lock when lockers are used in current thread.
class Locker {
public:
explicit Locker(v8::Isolate* isolate);
~Locker();
// disable copy
Locker(const Locker&) = delete;
Locker& operator=(const Locker&) = delete;
// Returns whether current process is browser process, currently we detect it
// by checking whether current has used V8 Lock, but it might be a bad idea.
static inline bool IsBrowserProcess() { return v8::Locker::IsActive(); }
private:
void* operator new(size_t size);
void operator delete(void*, size_t);
std::unique_ptr<v8::Locker> locker_;
};
} // namespace gin_helper
#endif // SHELL_COMMON_GIN_HELPER_LOCKER_H_