chromium/v8/src/execution/interrupts-scope.h

// Copyright 2019 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef V8_EXECUTION_INTERRUPTS_SCOPE_H_
#define V8_EXECUTION_INTERRUPTS_SCOPE_H_

#include "src/execution/isolate.h"
#include "src/execution/stack-guard.h"

namespace v8 {
namespace internal {

class Isolate;

// Scope intercepts only interrupt which is part of its interrupt_mask and does
// not affect other interrupts.
class V8_NODISCARD InterruptsScope { … };

// Support for temporarily postponing interrupts. When the outermost
// postpone scope is left the interrupts will be re-enabled and any
// interrupts that occurred while in the scope will be taken into
// account.
class V8_NODISCARD PostponeInterruptsScope : public InterruptsScope { … };

// Support for overriding PostponeInterruptsScope. Interrupt is not ignored if
// innermost scope is SafeForInterruptsScope ignoring any outer
// PostponeInterruptsScopes.
class V8_NODISCARD SafeForInterruptsScope : public InterruptsScope { … };

}  // namespace internal
}  // namespace v8

#endif  // V8_EXECUTION_INTERRUPTS_SCOPE_H_