Services.cpp - mozsearch

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/* 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/. */

#include "mozilla/Services.h"

#include "mozilla/Likely.h"

#include "nsIObserverService.h"

#include "nsServiceManagerUtils.h"

#include "nsXPCOMPrivate.h"

static nsIObserverService* gObserverService = nullptr;

namespace mozilla::services {

already_AddRefed<nsIObserverService> GetObserverService() {

  if (MOZ_UNLIKELY(gXPCOMShuttingDown)) {

    return nullptr;

  if (!gObserverService) {

    nsCOMPtr<nsIObserverService> os =

        do_GetService("@mozilla.org/observer-service;1");

    os.swap(gObserverService);

  return do_AddRef(gObserverService);

void Shutdown() {

  gXPCOMShuttingDown = true;

  NS_IF_RELEASE(gObserverService);

}  // namespace mozilla::services