mirror of
https://github.com/mozilla/gecko-dev.git
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82 lines
2.4 KiB
C++
82 lines
2.4 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 "mozilla/ipc/ProcessChild.h"
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#include "nsDebug.h"
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#ifdef XP_WIN
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# include <stdlib.h> // for _exit()
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#else
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# include <unistd.h> // for _exit()
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#endif
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#include "nsAppRunner.h"
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#include "mozilla/AppShutdown.h"
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#include "mozilla/ipc/IOThreadChild.h"
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#include "mozilla/GeckoArgs.h"
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namespace mozilla {
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namespace ipc {
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ProcessChild* ProcessChild::gProcessChild;
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static Atomic<bool> sExpectingShutdown(false);
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ProcessChild::ProcessChild(ProcessId aParentPid)
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: ChildProcess(new IOThreadChild()),
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mUILoop(MessageLoop::current()),
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mParentPid(aParentPid) {
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MOZ_ASSERT(mUILoop, "UILoop should be created by now");
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MOZ_ASSERT(!gProcessChild, "should only be one ProcessChild");
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gProcessChild = this;
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}
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/* static */
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void ProcessChild::AddPlatformBuildID(std::vector<std::string>& aExtraArgs) {
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nsCString parentBuildID(mozilla::PlatformBuildID());
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geckoargs::sParentBuildID.Put(parentBuildID.get(), aExtraArgs);
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}
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/* static */
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bool ProcessChild::InitPrefs(int aArgc, char* aArgv[]) {
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Maybe<uint64_t> prefsHandle = Some(0);
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Maybe<uint64_t> prefMapHandle = Some(0);
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Maybe<uint64_t> prefsLen = geckoargs::sPrefsLen.Get(aArgc, aArgv);
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Maybe<uint64_t> prefMapSize = geckoargs::sPrefMapSize.Get(aArgc, aArgv);
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if (prefsLen.isNothing() || prefMapSize.isNothing()) {
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return false;
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}
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#ifdef XP_WIN
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prefsHandle = geckoargs::sPrefsHandle.Get(aArgc, aArgv);
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prefMapHandle = geckoargs::sPrefMapHandle.Get(aArgc, aArgv);
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if (prefsHandle.isNothing() || prefMapHandle.isNothing()) {
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return false;
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}
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#endif
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SharedPreferenceDeserializer deserializer;
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return deserializer.DeserializeFromSharedMemory(*prefsHandle, *prefMapHandle,
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*prefsLen, *prefMapSize);
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}
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ProcessChild::~ProcessChild() { gProcessChild = nullptr; }
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/* static */
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void ProcessChild::NotifyImpendingShutdown() { sExpectingShutdown = true; }
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/* static */
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bool ProcessChild::ExpectingShutdown() { return sExpectingShutdown; }
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/* static */
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void ProcessChild::QuickExit() { AppShutdown::DoImmediateExit(); }
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} // namespace ipc
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} // namespace mozilla
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