зеркало из https://github.com/mozilla/gecko-dev.git
58 строки
1.7 KiB
C++
58 строки
1.7 KiB
C++
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/* -*- 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 "mozilla/ipc/AutoTransportDescriptor.h"
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#include "mozilla/ResultExtensions.h"
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#include "mozilla/ipc/Transport.h"
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namespace mozilla::ipc {
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AutoTransportDescriptor::AutoTransportDescriptor(
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AutoTransportDescriptor&& aOther) noexcept
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: mTransport(aOther.mTransport), mValid(aOther.mValid) {
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aOther.mValid = false;
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}
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AutoTransportDescriptor& AutoTransportDescriptor::operator=(
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AutoTransportDescriptor&& aOther) noexcept {
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if (mValid) {
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CloseDescriptor(mTransport);
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}
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mValid = std::exchange(aOther.mValid, false);
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mTransport = aOther.mTransport;
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return *this;
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}
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AutoTransportDescriptor::~AutoTransportDescriptor() {
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if (mValid) {
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CloseDescriptor(mTransport);
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}
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}
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Result<std::pair<AutoTransportDescriptor, AutoTransportDescriptor>, nsresult>
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AutoTransportDescriptor::Create(int32_t aProcIdOne) {
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TransportDescriptor one, two;
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MOZ_TRY(CreateTransport(aProcIdOne, &one, &two));
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return std::pair{AutoTransportDescriptor(one), AutoTransportDescriptor(two)};
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}
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AutoTransportDescriptor AutoTransportDescriptor::Duplicate() const {
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if (mValid) {
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return AutoTransportDescriptor{DuplicateDescriptor(mTransport)};
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}
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return {};
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}
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UniquePtr<Transport> AutoTransportDescriptor::Open(Transport::Mode aMode) {
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if (mValid) {
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mValid = false;
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return OpenDescriptor(mTransport, aMode);
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}
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return nullptr;
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}
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} // namespace mozilla::ipc
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