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GPUProcessImpl.cpp
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GPUProcessImpl.cpp
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/* -*- 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 "GPUProcessImpl.h"
#include "mozilla/ipc/IOThreadChild.h"
#include "nsXPCOM.h"
#include "ProcessUtils.h"
#if defined(OS_WIN) && defined(MOZ_SANDBOX)
# include "mozilla/sandboxTarget.h"
#elif defined(__OpenBSD__) && defined(MOZ_SANDBOX)
# include "mozilla/SandboxSettings.h"
#endif
namespace mozilla {
namespace gfx {
using namespace ipc;
GPUProcessImpl::GPUProcessImpl(ProcessId aParentPid)
: ProcessChild(aParentPid) {}
GPUProcessImpl::~GPUProcessImpl() = default;
bool GPUProcessImpl::Init(int aArgc, char* aArgv[]) {
#if defined(MOZ_SANDBOX) && defined(OS_WIN)
mozilla::SandboxTarget::Instance()->StartSandbox();
#elif defined(__OpenBSD__) && defined(MOZ_SANDBOX)
StartOpenBSDSandbox(GeckoProcessType_GPU);
#endif
char* parentBuildID = nullptr;
char* prefsHandle = nullptr;
char* prefMapHandle = nullptr;
char* prefsLen = nullptr;
char* prefMapSize = nullptr;
for (int i = 1; i < aArgc; i++) {
if (!aArgv[i]) {
continue;
}
if (strcmp(aArgv[i], "-parentBuildID") == 0) {
parentBuildID = aArgv[i + 1];
#ifdef XP_WIN
} else if (strcmp(aArgv[i], "-prefsHandle") == 0) {
if (++i == aArgc) {
return false;
}
prefsHandle = aArgv[i];
} else if (strcmp(aArgv[i], "-prefMapHandle") == 0) {
if (++i == aArgc) {
return false;
}
prefMapHandle = aArgv[i];
#endif
} else if (strcmp(aArgv[i], "-prefsLen") == 0) {
if (++i == aArgc) {
return false;
}
prefsLen = aArgv[i];
} else if (strcmp(aArgv[i], "-prefMapSize") == 0) {
if (++i == aArgc) {
return false;
}
prefMapSize = aArgv[i];
}
}
SharedPreferenceDeserializer deserializer;
if (!deserializer.DeserializeFromSharedMemory(prefsHandle, prefMapHandle,
prefsLen, prefMapSize)) {
return false;
}
return mGPU.Init(ParentPid(), parentBuildID, IOThreadChild::message_loop(),
IOThreadChild::TakeChannel());
}
void GPUProcessImpl::CleanUp() { NS_ShutdownXPCOM(nullptr); }
} // namespace gfx
} // namespace mozilla