libraries/source/spidermonkey/include-win32-debug/js/friend/PerformanceHint.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
   2  * vim: set ts=8 sts=2 et sw=2 tw=80:
   3  * This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef js_friend_PerformanceHint_h
   8 #define js_friend_PerformanceHint_h
   9
  10 namespace js {
  11 namespace gc {
  12
  13 // API to let the DOM tell us whether we're currently in pageload, so we can
  14 // change the GC triggers to discourage collection of the atoms zone.
  15 //
  16 // This is a temporary measure until parsing is changed to not allocate GC
  17 // things off the main thread.
  18
  19 enum class PerformanceHint { Normal, InPageLoad };
  20
  21 extern JS_PUBLIC_API void SetPerformanceHint(JSContext* cx,
  22                                              PerformanceHint hint);
  23
  24 } /* namespace gc */
  25 } /* namespace js */
  26
  27 #endif  // js_friend_PerformanceHint_h