зеркало из https://github.com/mozilla/gecko-dev.git
48 строки
1.5 KiB
C++
48 строки
1.5 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=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
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsISupportsImpl.h"
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#include "mozilla/Assertions.h"
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#ifdef MOZ_THREAD_SAFETY_OWNERSHIP_CHECKS_SUPPORTED
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# include "nsThreadUtils.h"
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#endif // MOZ_THREAD_SAFETY_OWNERSHIP_CHECKS_SUPPORTED
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using namespace mozilla;
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nsresult NS_FASTCALL NS_TableDrivenQI(void* aThis, REFNSIID aIID,
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void** aInstancePtr,
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const QITableEntry* aEntries) {
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do {
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if (aIID.Equals(*aEntries->iid)) {
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nsISupports* r = reinterpret_cast<nsISupports*>(
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reinterpret_cast<char*>(aThis) + aEntries->offset);
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NS_ADDREF(r);
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*aInstancePtr = r;
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return NS_OK;
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}
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++aEntries;
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} while (aEntries->iid);
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*aInstancePtr = nullptr;
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return NS_ERROR_NO_INTERFACE;
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}
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#ifdef MOZ_THREAD_SAFETY_OWNERSHIP_CHECKS_SUPPORTED
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nsAutoOwningThread::nsAutoOwningThread() : mThread(GetCurrentVirtualThread()) {}
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void nsAutoOwningThread::AssertCurrentThreadOwnsMe(const char* msg) const {
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if (MOZ_UNLIKELY(!IsCurrentThread())) {
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// `msg` is a string literal by construction.
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MOZ_CRASH_UNSAFE(msg);
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}
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}
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bool nsAutoOwningThread::IsCurrentThread() const {
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return mThread == GetCurrentVirtualThread();
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}
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#endif
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