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https://gitlab.winehq.org/wine/wine-gecko.git
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70 lines
2.3 KiB
C++
70 lines
2.3 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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// Original author: ekr@rtfm.com
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#ifndef runnable_utils_h__
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#define runnable_utils_h__
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#include "nsThreadUtils.h"
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#include "mozilla/RefPtr.h"
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// Abstract base class for all of our templates
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namespace mozilla {
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class runnable_args_base : public nsRunnable {
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public:
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NS_IMETHOD Run() = 0;
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};
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// The generated file contains four major function templates
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// (in variants for arbitrary numbers of arguments up to 10,
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// which is why it is machine generated). The four templates
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// are:
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//
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// WrapRunnable(o, m, ...) -- wraps a member function m of an object ptr o
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// WrapRunnableRet(o, m, ..., r) -- wraps a member function m of an object ptr o
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// the function returns something that can
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// be assigned to *r
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// WrapRunnableNM(f, ...) -- wraps a function f
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// WrapRunnableNMRet(f, ..., r) -- wraps a function f that returns something
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// that can be assigned to *r
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//
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// All of these template functions return a Runnable* which can be passed
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// to Dispatch().
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#include "runnable_utils_generated.h"
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// Temporary hack. Really we want to have a template which will do this
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static inline nsresult RUN_ON_THREAD(nsIEventTarget *thread, nsIRunnable *runnable, uint32_t flags) {
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RefPtr<nsIRunnable> runnable_ref(runnable);
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if (thread) {
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bool on;
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nsresult rv;
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rv = thread->IsOnCurrentThread(&on);
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MOZ_ASSERT(NS_SUCCEEDED(rv));
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NS_ENSURE_SUCCESS(rv, rv);
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if(!on) {
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return thread->Dispatch(runnable_ref, flags);
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}
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}
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return runnable_ref->Run();
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}
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#define ASSERT_ON_THREAD(t) do { \
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if (t) { \
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bool on; \
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nsresult rv; \
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rv = t->IsOnCurrentThread(&on); \
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MOZ_ASSERT(NS_SUCCEEDED(rv)); \
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MOZ_ASSERT(on); \
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} \
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} while(0)
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}
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#endif
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