js/src/builtin/AtomicsObject.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
   2  * vim: set ts=8 sts=4 et sw=4 tw=99:
   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 builtin_AtomicsObject_h
   8 #define builtin_AtomicsObject_h
   9
  10 #include "jsobj.h"
  11
  12 namespace js {
  13
  14 class AtomicsObject : public JSObject
  15 {
  16   public:
  17     static const Class class_;
  18     static JSObject* initClass(JSContext* cx, Handle<GlobalObject*> global);
  19     static bool toString(JSContext* cx, unsigned int argc, jsval* vp);
  20
  21     static const int FutexOK = 0;
  22
  23     // The error values must be negative because APIs such as futexWaitOrRequeue
  24     // return a value that is either the number of tasks woken or an error code.
  25     static const int FutexNotequal = -1;
  26     static const int FutexTimedout = -2;
  27
  28     // Internal signals; negative for the same reason.
  29     static const int FutexInterrupted = -1000;
  30 };
  31
  32 void atomics_fullMemoryBarrier();
  33
  34 bool atomics_compareExchange(JSContext* cx, unsigned argc, Value* vp);
  35 bool atomics_load(JSContext* cx, unsigned argc, Value* vp);
  36 bool atomics_store(JSContext* cx, unsigned argc, Value* vp);
  37 bool atomics_fence(JSContext* cx, unsigned argc, Value* vp);
  38 bool atomics_add(JSContext* cx, unsigned argc, Value* vp);
  39 bool atomics_sub(JSContext* cx, unsigned argc, Value* vp);
  40 bool atomics_and(JSContext* cx, unsigned argc, Value* vp);
  41 bool atomics_or(JSContext* cx, unsigned argc, Value* vp);
  42 bool atomics_xor(JSContext* cx, unsigned argc, Value* vp);
  43 bool atomics_futexWait(JSContext* cx, unsigned argc, Value* vp);
  44 bool atomics_futexWake(JSContext* cx, unsigned argc, Value* vp);
  45 bool atomics_futexWakeOrRequeue(JSContext* cx, unsigned argc, Value* vp);
  46
  47 }  /* namespace js */
  48
  49 JSObject*
  50 js_InitAtomicsClass(JSContext* cx, js::HandleObject obj);
  51
  52 #endif /* builtin_AtomicsObject_h */