/* * Copyright (C) 2014 Google Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following disclaimer * in the documentation and/or other materials provided with the * distribution. * * Neither the name of Google Inc. nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef WebHeap_h #define WebHeap_h #include "public/platform/WebCommon.h" namespace blink { class WebHeap { public: // Attach thread to the garbage collector managed heap. Thread can // allocate or use garbage collector managed objects only while it is // attached. BLINK_EXPORT static void attachThread(); // Detach thread from the garbage collector managed heap. Thread can // no longer allocate or use garbage collector managed objects. BLINK_EXPORT static void detachThread(); // While this object is active on the stack current thread is marked as // being at safepoint. It can't manipulate garbage collector managed objects // until it leaves safepoint, but it can block indefinitely. // When thread is not at safe-point it must not block indefinitely because // garbage collector might want to stop it. class SafePointScope { public: BLINK_EXPORT SafePointScope(); BLINK_EXPORT ~SafePointScope(); }; }; } // namespace blink #endif