Rewrite CPOWs to use one actor per process (bug 853209, r=billm,bholley,smaug).

2013-07-03 00:24:32 -07:00
parent 52c08f8e44
commit 0fb025f184
55 changed files with 2376 additions and 2628 deletions
--- a/js/ipc/JavaScriptParent.h
+++ b/js/ipc/JavaScriptParent.h
@@ -0,0 +1,84 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ * vim: set ts=4 sw=4 et tw=80:
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_jsipc_JavaScriptParent__
+#define mozilla_jsipc_JavaScriptParent__
+
+#include "JavaScriptShared.h"
+#include "mozilla/jsipc/PJavaScriptParent.h"
+#include "jsclass.h"
+
+#ifdef XP_WIN
+#undef GetClassName
+#undef GetClassInfo
+#endif
+
+namespace mozilla {
+namespace jsipc {
+
+class JavaScriptParent
+  : public PJavaScriptParent,
+    public JavaScriptShared
+{
+  public:
+    JavaScriptParent();
+
+    bool init();
+
+  public:
+    bool has(JSContext *cx, JS::HandleObject proxy, JS::HandleId id, bool *bp);
+    bool hasOwn(JSContext *cx, JS::HandleObject proxy, JS::HandleId id, bool *bp);
+    bool get(JSContext *cx, JS::HandleObject proxy, JS::HandleObject receiver,
+             JS::HandleId id, JS::MutableHandleValue vp);
+    bool set(JSContext *cx, JS::HandleObject proxy, JS::HandleObject receiver,
+             JS::HandleId id, bool strict, JS::MutableHandleValue vp);
+    bool call(JSContext *cx, JS::HandleObject proxy, const JS::CallArgs &args);
+    bool getPropertyDescriptor(JSContext *cx, JS::HandleObject proxy, JS::HandleId id,
+                               JSPropertyDescriptor *desc, unsigned flags);
+    bool getOwnPropertyDescriptor(JSContext *cx, JS::HandleObject proxy, JS::HandleId id,
+                                  JSPropertyDescriptor *desc, unsigned flags);
+    bool getOwnPropertyNames(JSContext *cx, JS::HandleObject proxy, js::AutoIdVector &props);
+    bool keys(JSContext *cx, JS::HandleObject proxy, js::AutoIdVector &props);
+    bool objectClassIs(JSContext *cx, JS::HandleObject obj, js::ESClassValue classValue);
+    const char* className(JSContext *cx, JS::HandleObject proxy);
+    bool preventExtensions(JSContext *cx, JS::HandleObject proxy);
+    bool isExtensible(JSContext *cx, JS::HandleObject proxy, bool *extensible);
+
+    void decref();
+    void incref();
+    void destroyFromContent();
+
+    void drop(JSObject *obj);
+
+    static bool IsCPOW(JSObject *obj);
+    static nsresult InstanceOf(JSObject *obj, const nsID *id, bool *bp);
+
+    nsresult instanceOf(JSObject *obj, const nsID *id, bool *bp);
+
+  protected:
+    JSObject *unwrap(JSContext *cx, ObjectId objId);
+
+  private:
+    bool makeId(JSContext *cx, JSObject *obj, ObjectId *idp);
+    ObjectId idOf(JSObject *obj);
+
+    // Catastrophic IPC failure.
+    bool ipcfail(JSContext *cx);
+
+    // Check whether a return status is okay, and if not, propagate its error.
+    bool ok(JSContext *cx, const ReturnStatus &status);
+
+  private:
+    uintptr_t refcount_;
+    bool inactive_;
+};
+
+} // jsipc
+} // mozilla
+
+#endif // mozilla_jsipc_JavaScriptWrapper_h__
+