зеркало из https://github.com/mozilla/gecko-dev.git
58 строки
1.7 KiB
C++
58 строки
1.7 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim: set ts=8 sts=2 et sw=2 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/. */
|
|
|
|
#include "mozilla/ipc/AutoTransportDescriptor.h"
|
|
#include "mozilla/ResultExtensions.h"
|
|
#include "mozilla/ipc/Transport.h"
|
|
|
|
namespace mozilla::ipc {
|
|
|
|
AutoTransportDescriptor::AutoTransportDescriptor(
|
|
AutoTransportDescriptor&& aOther) noexcept
|
|
: mTransport(aOther.mTransport), mValid(aOther.mValid) {
|
|
aOther.mValid = false;
|
|
}
|
|
|
|
AutoTransportDescriptor& AutoTransportDescriptor::operator=(
|
|
AutoTransportDescriptor&& aOther) noexcept {
|
|
if (mValid) {
|
|
CloseDescriptor(mTransport);
|
|
}
|
|
mValid = std::exchange(aOther.mValid, false);
|
|
mTransport = aOther.mTransport;
|
|
return *this;
|
|
}
|
|
|
|
AutoTransportDescriptor::~AutoTransportDescriptor() {
|
|
if (mValid) {
|
|
CloseDescriptor(mTransport);
|
|
}
|
|
}
|
|
|
|
Result<std::pair<AutoTransportDescriptor, AutoTransportDescriptor>, nsresult>
|
|
AutoTransportDescriptor::Create(int32_t aProcIdOne) {
|
|
TransportDescriptor one, two;
|
|
MOZ_TRY(CreateTransport(aProcIdOne, &one, &two));
|
|
return std::pair{AutoTransportDescriptor(one), AutoTransportDescriptor(two)};
|
|
}
|
|
|
|
AutoTransportDescriptor AutoTransportDescriptor::Duplicate() const {
|
|
if (mValid) {
|
|
return AutoTransportDescriptor{DuplicateDescriptor(mTransport)};
|
|
}
|
|
return {};
|
|
}
|
|
|
|
UniquePtr<Transport> AutoTransportDescriptor::Open(Transport::Mode aMode) {
|
|
if (mValid) {
|
|
mValid = false;
|
|
return OpenDescriptor(mTransport, aMode);
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
} // namespace mozilla::ipc
|