mirror of
https://github.com/classilla/tenfourfox.git
synced 2024-09-09 20:54:40 +00:00
935 lines
26 KiB
C++
935 lines
26 KiB
C++
/* 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/DebugOnly.h"
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#if defined(MOZ_WIDGET_QT)
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#include "nsQAppInstance.h"
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#endif
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#include "base/basictypes.h"
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#include "nsXULAppAPI.h"
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#include <stdlib.h>
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#if defined(MOZ_WIDGET_GTK)
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#include <glib.h>
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#endif
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#include "prenv.h"
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#include "nsIAppShell.h"
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#include "nsIAppStartupNotifier.h"
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#include "nsIDirectoryService.h"
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#include "nsIFile.h"
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#include "nsIToolkitChromeRegistry.h"
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#include "nsIToolkitProfile.h"
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#ifdef XP_WIN
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#include <process.h>
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#include "mozilla/ipc/WindowsMessageLoop.h"
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#endif
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#include "nsAppDirectoryServiceDefs.h"
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#include "nsAppRunner.h"
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#include "nsAutoRef.h"
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#include "nsDirectoryServiceDefs.h"
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#include "nsExceptionHandler.h"
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#include "nsString.h"
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#include "nsThreadUtils.h"
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#include "nsJSUtils.h"
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#include "nsWidgetsCID.h"
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#include "nsXREDirProvider.h"
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#include "mozilla/Omnijar.h"
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#if defined(XP_MACOSX)
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#include "nsVersionComparator.h"
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#include "chrome/common/mach_ipc_mac.h"
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#endif
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#include "nsX11ErrorHandler.h"
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#include "nsGDKErrorHandler.h"
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#include "base/at_exit.h"
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#include "base/command_line.h"
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#include "base/message_loop.h"
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#include "base/process_util.h"
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#include "chrome/common/child_process.h"
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#include "chrome/common/notification_service.h"
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#include "mozilla/ipc/BrowserProcessSubThread.h"
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#include "mozilla/ipc/GeckoChildProcessHost.h"
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#include "mozilla/ipc/IOThreadChild.h"
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#include "mozilla/ipc/ProcessChild.h"
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#include "ScopedXREEmbed.h"
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#include "mozilla/plugins/PluginProcessChild.h"
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#include "mozilla/dom/ContentProcess.h"
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#include "mozilla/dom/ContentParent.h"
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#include "mozilla/dom/ContentChild.h"
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#include "mozilla/ipc/TestShellParent.h"
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#include "mozilla/ipc/XPCShellEnvironment.h"
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#include "mozilla/WindowsDllBlocklist.h"
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#include "GMPProcessChild.h"
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#include "GMPLoader.h"
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#include "GeckoProfiler.h"
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#include "base/histogram.h"
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#if defined(MOZ_SANDBOX) && defined(XP_WIN)
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#define TARGET_SANDBOX_EXPORTS
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#include "mozilla/sandboxing/loggingCallbacks.h"
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#endif
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#ifdef MOZ_IPDL_TESTS
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#include "mozilla/_ipdltest/IPDLUnitTests.h"
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#include "mozilla/_ipdltest/IPDLUnitTestProcessChild.h"
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using mozilla::_ipdltest::IPDLUnitTestProcessChild;
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#endif // ifdef MOZ_IPDL_TESTS
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#ifdef MOZ_B2G_LOADER
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#include "nsLocalFile.h"
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#include "nsXREAppData.h"
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#endif
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using namespace mozilla;
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using mozilla::ipc::BrowserProcessSubThread;
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using mozilla::ipc::GeckoChildProcessHost;
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using mozilla::ipc::IOThreadChild;
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using mozilla::ipc::ProcessChild;
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using mozilla::ipc::ScopedXREEmbed;
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using mozilla::plugins::PluginProcessChild;
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using mozilla::dom::ContentProcess;
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using mozilla::dom::ContentParent;
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using mozilla::dom::ContentChild;
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using mozilla::gmp::GMPLoader;
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using mozilla::gmp::CreateGMPLoader;
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using mozilla::gmp::GMPProcessChild;
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using mozilla::ipc::TestShellParent;
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using mozilla::ipc::TestShellCommandParent;
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using mozilla::ipc::XPCShellEnvironment;
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using mozilla::startup::sChildProcessType;
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static NS_DEFINE_CID(kAppShellCID, NS_APPSHELL_CID);
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#ifdef XP_WIN
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static const wchar_t kShellLibraryName[] = L"shell32.dll";
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#endif
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nsresult
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XRE_LockProfileDirectory(nsIFile* aDirectory,
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nsISupports* *aLockObject)
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{
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nsCOMPtr<nsIProfileLock> lock;
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nsresult rv = NS_LockProfilePath(aDirectory, nullptr, nullptr,
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getter_AddRefs(lock));
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if (NS_SUCCEEDED(rv))
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NS_ADDREF(*aLockObject = lock);
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return rv;
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}
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static int32_t sInitCounter;
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nsresult
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XRE_InitEmbedding2(nsIFile *aLibXULDirectory,
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nsIFile *aAppDirectory,
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nsIDirectoryServiceProvider *aAppDirProvider)
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{
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// Initialize some globals to make nsXREDirProvider happy
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static char* kNullCommandLine[] = { nullptr };
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gArgv = kNullCommandLine;
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gArgc = 0;
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NS_ENSURE_ARG(aLibXULDirectory);
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if (++sInitCounter > 1) // XXXbsmedberg is this really the right solution?
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return NS_OK;
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if (!aAppDirectory)
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aAppDirectory = aLibXULDirectory;
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nsresult rv;
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new nsXREDirProvider; // This sets gDirServiceProvider
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if (!gDirServiceProvider)
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return NS_ERROR_OUT_OF_MEMORY;
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rv = gDirServiceProvider->Initialize(aAppDirectory, aLibXULDirectory,
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aAppDirProvider);
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if (NS_FAILED(rv))
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return rv;
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rv = NS_InitXPCOM2(nullptr, aAppDirectory, gDirServiceProvider);
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if (NS_FAILED(rv))
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return rv;
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// We do not need to autoregister components here. The CheckCompatibility()
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// bits in nsAppRunner.cpp check for an invalidation flag in
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// compatibility.ini.
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// If the app wants to autoregister every time (for instance, if it's debug),
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// it can do so after we return from this function.
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nsCOMPtr<nsIObserver> startupNotifier
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(do_CreateInstance(NS_APPSTARTUPNOTIFIER_CONTRACTID));
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if (!startupNotifier)
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return NS_ERROR_FAILURE;
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startupNotifier->Observe(nullptr, APPSTARTUP_TOPIC, nullptr);
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return NS_OK;
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}
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void
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XRE_NotifyProfile()
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{
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NS_ASSERTION(gDirServiceProvider, "XRE_InitEmbedding was not called!");
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gDirServiceProvider->DoStartup();
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}
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void
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XRE_TermEmbedding()
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{
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if (--sInitCounter != 0)
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return;
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NS_ASSERTION(gDirServiceProvider,
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"XRE_TermEmbedding without XRE_InitEmbedding");
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gDirServiceProvider->DoShutdown();
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NS_ShutdownXPCOM(nullptr);
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delete gDirServiceProvider;
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}
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const char*
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XRE_ChildProcessTypeToString(GeckoProcessType aProcessType)
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{
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return (aProcessType < GeckoProcessType_End) ?
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kGeckoProcessTypeString[aProcessType] : nullptr;
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}
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namespace mozilla {
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namespace startup {
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GeckoProcessType sChildProcessType = GeckoProcessType_Default;
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} // namespace startup
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} // namespace mozilla
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void
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XRE_SetProcessType(const char* aProcessTypeString)
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{
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static bool called = false;
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if (called) {
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MOZ_CRASH();
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}
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called = true;
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sChildProcessType = GeckoProcessType_Invalid;
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for (int i = 0;
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i < (int) ArrayLength(kGeckoProcessTypeString);
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++i) {
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if (!strcmp(kGeckoProcessTypeString[i], aProcessTypeString)) {
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sChildProcessType = static_cast<GeckoProcessType>(i);
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return;
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}
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}
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}
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#if defined(MOZ_CRASHREPORTER)
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// FIXME/bug 539522: this out-of-place function is stuck here because
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// IPDL wants access to this crashreporter interface, and
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// crashreporter is built in such a way to make that awkward
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bool
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XRE_TakeMinidumpForChild(uint32_t aChildPid, nsIFile** aDump,
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uint32_t* aSequence)
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{
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return CrashReporter::TakeMinidumpForChild(aChildPid, aDump, aSequence);
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}
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bool
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XRE_SetRemoteExceptionHandler(const char* aPipe/*= 0*/)
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{
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#if defined(XP_WIN) || defined(XP_MACOSX)
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return CrashReporter::SetRemoteExceptionHandler(nsDependentCString(aPipe));
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#elif defined(OS_LINUX)
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return CrashReporter::SetRemoteExceptionHandler();
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#else
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# error "OOP crash reporter unsupported on this platform"
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#endif
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}
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#endif // if defined(MOZ_CRASHREPORTER)
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#if defined(XP_WIN)
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void
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SetTaskbarGroupId(const nsString& aId)
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{
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typedef HRESULT (WINAPI * SetCurrentProcessExplicitAppUserModelIDPtr)(PCWSTR AppID);
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SetCurrentProcessExplicitAppUserModelIDPtr funcAppUserModelID = nullptr;
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HMODULE hDLL = ::LoadLibraryW(kShellLibraryName);
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funcAppUserModelID = (SetCurrentProcessExplicitAppUserModelIDPtr)
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GetProcAddress(hDLL, "SetCurrentProcessExplicitAppUserModelID");
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if (!funcAppUserModelID) {
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::FreeLibrary(hDLL);
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return;
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}
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if (FAILED(funcAppUserModelID(aId.get()))) {
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NS_WARNING("SetCurrentProcessExplicitAppUserModelID failed for child process.");
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}
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if (hDLL)
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::FreeLibrary(hDLL);
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}
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#endif
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nsresult
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XRE_InitChildProcess(int aArgc,
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char* aArgv[],
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GMPLoader* aGMPLoader)
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{
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NS_ENSURE_ARG_MIN(aArgc, 2);
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NS_ENSURE_ARG_POINTER(aArgv);
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NS_ENSURE_ARG_POINTER(aArgv[0]);
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#ifdef HAS_DLL_BLOCKLIST
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DllBlocklist_Initialize();
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#endif
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// This is needed by Telemetry to initialize histogram collection.
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UniquePtr<base::StatisticsRecorder> statisticsRecorder =
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MakeUnique<base::StatisticsRecorder>();
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#if !defined(MOZ_WIDGET_ANDROID) && !defined(MOZ_WIDGET_GONK)
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// On non-Fennec Gecko, the GMPLoader code resides in plugin-container,
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// and we must forward it through to the GMP code here.
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GMPProcessChild::SetGMPLoader(aGMPLoader);
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#else
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// On Fennec, the GMPLoader's code resides inside XUL (because for the time
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// being GMPLoader relies upon NSPR, which we can't use in plugin-container
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// on Android), so we create it here inside XUL and pass it to the GMP code.
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nsAutoPtr<GMPLoader> loader(CreateGMPLoader(nullptr));
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GMPProcessChild::SetGMPLoader(loader);
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#endif
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#if defined(XP_WIN)
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// From the --attach-console support in nsNativeAppSupportWin.cpp, but
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// here we are a content child process, so we always attempt to attach
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// to the parent's (ie, the browser's) console.
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// Try to attach console to the parent process.
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// It will succeed when the parent process is a command line,
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// so that stdio will be displayed in it.
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if (AttachConsole(ATTACH_PARENT_PROCESS)) {
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// Change std handles to refer to new console handles.
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// Before doing so, ensure that stdout/stderr haven't been
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// redirected to a valid file
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if (_fileno(stdout) == -1 ||
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_get_osfhandle(fileno(stdout)) == -1)
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freopen("CONOUT$", "w", stdout);
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// Merge stderr into CONOUT$ since there isn't any `CONERR$`.
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// http://msdn.microsoft.com/en-us/library/windows/desktop/ms683231%28v=vs.85%29.aspx
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if (_fileno(stderr) == -1 ||
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_get_osfhandle(fileno(stderr)) == -1)
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freopen("CONOUT$", "w", stderr);
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if (_fileno(stdin) == -1 || _get_osfhandle(fileno(stdin)) == -1)
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freopen("CONIN$", "r", stdin);
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}
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#endif
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// NB: This must be called before profiler_init
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NS_LogInit();
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mozilla::LogModule::Init();
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char aLocal;
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profiler_init(&aLocal);
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PROFILER_LABEL("Startup", "XRE_InitChildProcess",
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js::ProfileEntry::Category::OTHER);
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// Complete 'task_t' exchange for Mac OS X. This structure has the same size
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// regardless of architecture so we don't have any cross-arch issues here.
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#ifdef XP_MACOSX
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if (aArgc < 1)
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return NS_ERROR_FAILURE;
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const char* const mach_port_name = aArgv[--aArgc];
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const int kTimeoutMs = 1000;
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MachSendMessage child_message(0);
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if (!child_message.AddDescriptor(MachMsgPortDescriptor(mach_task_self()))) {
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NS_WARNING("child AddDescriptor(mach_task_self()) failed.");
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return NS_ERROR_FAILURE;
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}
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ReceivePort child_recv_port;
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mach_port_t raw_child_recv_port = child_recv_port.GetPort();
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if (!child_message.AddDescriptor(MachMsgPortDescriptor(raw_child_recv_port))) {
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NS_WARNING("Adding descriptor to message failed");
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return NS_ERROR_FAILURE;
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}
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ReceivePort* ports_out_receiver = new ReceivePort();
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if (!child_message.AddDescriptor(MachMsgPortDescriptor(ports_out_receiver->GetPort()))) {
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NS_WARNING("Adding descriptor to message failed");
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return NS_ERROR_FAILURE;
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}
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ReceivePort* ports_in_receiver = new ReceivePort();
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if (!child_message.AddDescriptor(MachMsgPortDescriptor(ports_in_receiver->GetPort()))) {
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NS_WARNING("Adding descriptor to message failed");
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return NS_ERROR_FAILURE;
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}
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MachPortSender child_sender(mach_port_name);
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kern_return_t err = child_sender.SendMessage(child_message, kTimeoutMs);
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if (err != KERN_SUCCESS) {
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NS_WARNING("child SendMessage() failed");
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return NS_ERROR_FAILURE;
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}
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MachReceiveMessage parent_message;
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err = child_recv_port.WaitForMessage(&parent_message, kTimeoutMs);
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if (err != KERN_SUCCESS) {
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NS_WARNING("child WaitForMessage() failed");
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return NS_ERROR_FAILURE;
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}
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if (parent_message.GetTranslatedPort(0) == MACH_PORT_NULL) {
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NS_WARNING("child GetTranslatedPort(0) failed");
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return NS_ERROR_FAILURE;
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}
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err = task_set_bootstrap_port(mach_task_self(),
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parent_message.GetTranslatedPort(0));
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if (parent_message.GetTranslatedPort(1) == MACH_PORT_NULL) {
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NS_WARNING("child GetTranslatedPort(1) failed");
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return NS_ERROR_FAILURE;
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}
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MachPortSender* ports_out_sender = new MachPortSender(parent_message.GetTranslatedPort(1));
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if (parent_message.GetTranslatedPort(2) == MACH_PORT_NULL) {
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NS_WARNING("child GetTranslatedPort(2) failed");
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return NS_ERROR_FAILURE;
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}
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MachPortSender* ports_in_sender = new MachPortSender(parent_message.GetTranslatedPort(2));
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if (err != KERN_SUCCESS) {
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NS_WARNING("child task_set_bootstrap_port() failed");
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return NS_ERROR_FAILURE;
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}
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#endif
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SetupErrorHandling(aArgv[0]);
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#if defined(MOZ_CRASHREPORTER)
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if (aArgc < 1)
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return NS_ERROR_FAILURE;
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const char* const crashReporterArg = aArgv[--aArgc];
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# if defined(XP_WIN) || defined(XP_MACOSX)
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// on windows and mac, |crashReporterArg| is the named pipe on which the
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// server is listening for requests, or "-" if crash reporting is
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// disabled.
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if (0 != strcmp("-", crashReporterArg) &&
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!XRE_SetRemoteExceptionHandler(crashReporterArg)) {
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// Bug 684322 will add better visibility into this condition
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NS_WARNING("Could not setup crash reporting\n");
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}
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# elif defined(OS_LINUX)
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// on POSIX, |crashReporterArg| is "true" if crash reporting is
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// enabled, false otherwise
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if (0 != strcmp("false", crashReporterArg) &&
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!XRE_SetRemoteExceptionHandler(nullptr)) {
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// Bug 684322 will add better visibility into this condition
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NS_WARNING("Could not setup crash reporting\n");
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}
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# else
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# error "OOP crash reporting unsupported on this platform"
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# endif
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#endif // if defined(MOZ_CRASHREPORTER)
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gArgv = aArgv;
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gArgc = aArgc;
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#ifdef MOZ_X11
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XInitThreads();
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#endif
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#if MOZ_WIDGET_GTK == 2
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XRE_GlibInit();
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#endif
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#if defined(MOZ_WIDGET_QT)
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nsQAppInstance::AddRef();
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#endif
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if (PR_GetEnv("MOZ_DEBUG_CHILD_PROCESS")) {
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#ifdef OS_POSIX
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printf("\n\nCHILDCHILDCHILDCHILD\n debug me @ %d\n\n", getpid());
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sleep(30);
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#elif defined(OS_WIN)
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|
// Windows has a decent JIT debugging story, so NS_DebugBreak does the
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|
// right thing.
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NS_DebugBreak(NS_DEBUG_BREAK,
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"Invoking NS_DebugBreak() to debug child process",
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nullptr, __FILE__, __LINE__);
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#endif
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}
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|
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// child processes launched by GeckoChildProcessHost get this magic
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|
// argument appended to their command lines
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|
const char* const parentPIDString = aArgv[aArgc-1];
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MOZ_ASSERT(parentPIDString, "NULL parent PID");
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--aArgc;
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char* end = 0;
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base::ProcessId parentPID = strtol(parentPIDString, &end, 10);
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MOZ_ASSERT(!*end, "invalid parent PID");
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#ifdef XP_MACOSX
|
|
mozilla::ipc::SharedMemoryBasic::SetupMachMemory(parentPID, ports_in_receiver, ports_in_sender,
|
|
ports_out_sender, ports_out_receiver, true);
|
|
#endif
|
|
|
|
#if defined(XP_WIN)
|
|
// On Win7+, register the application user model id passed in by
|
|
// parent. This insures windows created by the container properly
|
|
// group with the parent app on the Win7 taskbar.
|
|
const char* const appModelUserId = aArgv[--aArgc];
|
|
if (appModelUserId) {
|
|
// '-' implies no support
|
|
if (*appModelUserId != '-') {
|
|
nsString appId;
|
|
appId.AssignWithConversion(nsDependentCString(appModelUserId));
|
|
// The version string is encased in quotes
|
|
appId.Trim(NS_LITERAL_CSTRING("\"").get());
|
|
// Set the id
|
|
SetTaskbarGroupId(appId);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
base::AtExitManager exitManager;
|
|
NotificationService notificationService;
|
|
|
|
nsresult rv = XRE_InitCommandLine(aArgc, aArgv);
|
|
if (NS_FAILED(rv)) {
|
|
profiler_shutdown();
|
|
NS_LogTerm();
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
MessageLoop::Type uiLoopType;
|
|
switch (XRE_GetProcessType()) {
|
|
case GeckoProcessType_Content:
|
|
// Content processes need the XPCOM/chromium frankenventloop
|
|
uiLoopType = MessageLoop::TYPE_MOZILLA_CHILD;
|
|
break;
|
|
case GeckoProcessType_GMPlugin:
|
|
uiLoopType = MessageLoop::TYPE_DEFAULT;
|
|
break;
|
|
default:
|
|
uiLoopType = MessageLoop::TYPE_UI;
|
|
break;
|
|
}
|
|
|
|
{
|
|
// This is a lexical scope for the MessageLoop below. We want it
|
|
// to go out of scope before NS_LogTerm() so that we don't get
|
|
// spurious warnings about XPCOM objects being destroyed from a
|
|
// static context.
|
|
|
|
// Associate this thread with a UI MessageLoop
|
|
MessageLoop uiMessageLoop(uiLoopType);
|
|
{
|
|
nsAutoPtr<ProcessChild> process;
|
|
|
|
#ifdef XP_WIN
|
|
mozilla::ipc::windows::InitUIThread();
|
|
#endif
|
|
|
|
switch (XRE_GetProcessType()) {
|
|
case GeckoProcessType_Default:
|
|
NS_RUNTIMEABORT("This makes no sense");
|
|
break;
|
|
|
|
case GeckoProcessType_Plugin:
|
|
process = new PluginProcessChild(parentPID);
|
|
break;
|
|
|
|
case GeckoProcessType_Content: {
|
|
process = new ContentProcess(parentPID);
|
|
// If passed in grab the application path for xpcom init
|
|
nsCString appDir;
|
|
for (int idx = aArgc; idx > 0; idx--) {
|
|
if (aArgv[idx] && !strcmp(aArgv[idx], "-appdir")) {
|
|
appDir.Assign(nsDependentCString(aArgv[idx+1]));
|
|
static_cast<ContentProcess*>(process.get())->SetAppDir(appDir);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
|
|
case GeckoProcessType_IPDLUnitTest:
|
|
#ifdef MOZ_IPDL_TESTS
|
|
process = new IPDLUnitTestProcessChild(parentPID);
|
|
#else
|
|
NS_RUNTIMEABORT("rebuild with --enable-ipdl-tests");
|
|
#endif
|
|
break;
|
|
|
|
case GeckoProcessType_GMPlugin:
|
|
process = new gmp::GMPProcessChild(parentPID);
|
|
break;
|
|
|
|
default:
|
|
NS_RUNTIMEABORT("Unknown main thread class");
|
|
}
|
|
|
|
if (!process->Init()) {
|
|
profiler_shutdown();
|
|
NS_LogTerm();
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
#if defined(XP_WIN)
|
|
// Set child processes up such that they will get killed after the
|
|
// chrome process is killed in cases where the user shuts the system
|
|
// down or logs off.
|
|
::SetProcessShutdownParameters(0x280 - 1, SHUTDOWN_NORETRY);
|
|
#endif
|
|
|
|
#if defined(MOZ_SANDBOX) && defined(XP_WIN)
|
|
// We need to do this after the process has been initialised, as
|
|
// InitLoggingIfRequired may need access to prefs.
|
|
mozilla::sandboxing::InitLoggingIfRequired();
|
|
#endif
|
|
|
|
// Run the UI event loop on the main thread.
|
|
uiMessageLoop.MessageLoop::Run();
|
|
|
|
// Allow ProcessChild to clean up after itself before going out of
|
|
// scope and being deleted
|
|
process->CleanUp();
|
|
mozilla::Omnijar::CleanUp();
|
|
}
|
|
}
|
|
|
|
statisticsRecorder = nullptr;
|
|
profiler_shutdown();
|
|
NS_LogTerm();
|
|
return XRE_DeinitCommandLine();
|
|
}
|
|
|
|
MessageLoop*
|
|
XRE_GetIOMessageLoop()
|
|
{
|
|
if (sChildProcessType == GeckoProcessType_Default) {
|
|
return BrowserProcessSubThread::GetMessageLoop(BrowserProcessSubThread::IO);
|
|
}
|
|
return IOThreadChild::message_loop();
|
|
}
|
|
|
|
namespace {
|
|
|
|
class MainFunctionRunnable : public nsRunnable
|
|
{
|
|
public:
|
|
NS_DECL_NSIRUNNABLE
|
|
|
|
MainFunctionRunnable(MainFunction aFunction,
|
|
void* aData)
|
|
: mFunction(aFunction),
|
|
mData(aData)
|
|
{
|
|
NS_ASSERTION(aFunction, "Don't give me a null pointer!");
|
|
}
|
|
|
|
private:
|
|
MainFunction mFunction;
|
|
void* mData;
|
|
};
|
|
|
|
} /* anonymous namespace */
|
|
|
|
NS_IMETHODIMP
|
|
MainFunctionRunnable::Run()
|
|
{
|
|
mFunction(mData);
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
XRE_InitParentProcess(int aArgc,
|
|
char* aArgv[],
|
|
MainFunction aMainFunction,
|
|
void* aMainFunctionData)
|
|
{
|
|
NS_ENSURE_ARG_MIN(aArgc, 1);
|
|
NS_ENSURE_ARG_POINTER(aArgv);
|
|
NS_ENSURE_ARG_POINTER(aArgv[0]);
|
|
|
|
ScopedXREEmbed embed;
|
|
|
|
gArgc = aArgc;
|
|
gArgv = aArgv;
|
|
nsresult rv = XRE_InitCommandLine(gArgc, gArgv);
|
|
if (NS_FAILED(rv))
|
|
return NS_ERROR_FAILURE;
|
|
|
|
{
|
|
embed.Start();
|
|
|
|
nsCOMPtr<nsIAppShell> appShell(do_GetService(kAppShellCID));
|
|
NS_ENSURE_TRUE(appShell, NS_ERROR_FAILURE);
|
|
|
|
if (aMainFunction) {
|
|
nsCOMPtr<nsIRunnable> runnable =
|
|
new MainFunctionRunnable(aMainFunction, aMainFunctionData);
|
|
NS_ENSURE_TRUE(runnable, NS_ERROR_OUT_OF_MEMORY);
|
|
|
|
nsresult rv = NS_DispatchToCurrentThread(runnable);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
}
|
|
|
|
// Do event loop
|
|
if (NS_FAILED(appShell->Run())) {
|
|
NS_WARNING("Failed to run appshell");
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
}
|
|
|
|
return XRE_DeinitCommandLine();
|
|
}
|
|
|
|
#ifdef MOZ_IPDL_TESTS
|
|
//-----------------------------------------------------------------------------
|
|
// IPDL unit test
|
|
|
|
int
|
|
XRE_RunIPDLTest(int aArgc, char** aArgv)
|
|
{
|
|
if (aArgc < 2) {
|
|
fprintf(stderr, "TEST-UNEXPECTED-FAIL | <---> | insufficient #args, need at least 2\n");
|
|
return 1;
|
|
}
|
|
|
|
void* data = reinterpret_cast<void*>(aArgv[aArgc-1]);
|
|
|
|
nsresult rv =
|
|
XRE_InitParentProcess(
|
|
--aArgc, aArgv, mozilla::_ipdltest::IPDLUnitTestMain, data);
|
|
NS_ENSURE_SUCCESS(rv, 1);
|
|
|
|
return 0;
|
|
}
|
|
#endif // ifdef MOZ_IPDL_TESTS
|
|
|
|
nsresult
|
|
XRE_RunAppShell()
|
|
{
|
|
nsCOMPtr<nsIAppShell> appShell(do_GetService(kAppShellCID));
|
|
NS_ENSURE_TRUE(appShell, NS_ERROR_FAILURE);
|
|
#if defined(XP_MACOSX)
|
|
{
|
|
// In content processes that want XPCOM (and hence want
|
|
// AppShell), we usually run our hybrid event loop through
|
|
// MessagePump::Run(), by way of nsBaseAppShell::Run(). The
|
|
// Cocoa nsAppShell impl, however, implements its own Run()
|
|
// that's unaware of MessagePump. That's all rather suboptimal,
|
|
// but oddly enough not a problem... usually.
|
|
//
|
|
// The problem with this setup comes during startup.
|
|
// XPCOM-in-subprocesses depends on IPC, e.g. to init the pref
|
|
// service, so we have to init IPC first. But, IPC also
|
|
// indirectly kinda-depends on XPCOM, because MessagePump
|
|
// schedules work from off-main threads (e.g. IO thread) by
|
|
// using NS_DispatchToMainThread(). If the IO thread receives a
|
|
// Message from the parent before nsThreadManager is
|
|
// initialized, then DispatchToMainThread() will fail, although
|
|
// MessagePump will remember the task. This race condition
|
|
// isn't a problem when appShell->Run() ends up in
|
|
// MessagePump::Run(), because MessagePump will immediate see it
|
|
// has work to do. It *is* a problem when we end up in [NSApp
|
|
// run], because it's not aware that MessagePump has work that
|
|
// needs to be processed; that was supposed to be signaled by
|
|
// nsIRunnable(s).
|
|
//
|
|
// So instead of hacking Cocoa nsAppShell or rewriting the
|
|
// event-loop system, we compromise here by processing any tasks
|
|
// that might have been enqueued on MessagePump, *before*
|
|
// MessagePump::ScheduleWork was able to successfully
|
|
// DispatchToMainThread().
|
|
MessageLoop* loop = MessageLoop::current();
|
|
bool couldNest = loop->NestableTasksAllowed();
|
|
|
|
loop->SetNestableTasksAllowed(true);
|
|
loop->PostTask(FROM_HERE, new MessageLoop::QuitTask());
|
|
loop->Run();
|
|
|
|
loop->SetNestableTasksAllowed(couldNest);
|
|
}
|
|
#endif // XP_MACOSX
|
|
return appShell->Run();
|
|
}
|
|
|
|
template<>
|
|
struct RunnableMethodTraits<ContentChild>
|
|
{
|
|
static void RetainCallee(ContentChild* obj) { }
|
|
static void ReleaseCallee(ContentChild* obj) { }
|
|
};
|
|
|
|
void
|
|
XRE_ShutdownChildProcess()
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread(), "Wrong thread!");
|
|
#if defined(XP_MACOSX)
|
|
mozilla::ipc::SharedMemoryBasic::Shutdown();
|
|
#endif
|
|
|
|
mozilla::DebugOnly<MessageLoop*> ioLoop = XRE_GetIOMessageLoop();
|
|
MOZ_ASSERT(!!ioLoop, "Bad shutdown order");
|
|
|
|
// Quit() sets off the following chain of events
|
|
// (1) UI loop starts quitting
|
|
// (2) UI loop returns from Run() in XRE_InitChildProcess()
|
|
// (3) ProcessChild goes out of scope and terminates the IO thread
|
|
// (4) ProcessChild joins the IO thread
|
|
// (5) exit()
|
|
MessageLoop::current()->Quit();
|
|
#if defined(XP_MACOSX)
|
|
nsCOMPtr<nsIAppShell> appShell(do_GetService(kAppShellCID));
|
|
if (appShell) {
|
|
// On Mac, we might be only above nsAppShell::Run(), not
|
|
// MessagePump::Run(). See XRE_RunAppShell(). To account for
|
|
// that case, we fire off an Exit() here. If we were indeed
|
|
// above MessagePump::Run(), this Exit() is just superfluous.
|
|
appShell->Exit();
|
|
}
|
|
#endif // XP_MACOSX
|
|
}
|
|
|
|
namespace {
|
|
ContentParent* gContentParent; //long-lived, manually refcounted
|
|
TestShellParent* GetOrCreateTestShellParent()
|
|
{
|
|
if (!gContentParent) {
|
|
RefPtr<ContentParent> parent = ContentParent::GetNewOrUsedBrowserProcess();
|
|
parent.forget(&gContentParent);
|
|
} else if (!gContentParent->IsAlive()) {
|
|
return nullptr;
|
|
}
|
|
TestShellParent* tsp = gContentParent->GetTestShellSingleton();
|
|
if (!tsp) {
|
|
tsp = gContentParent->CreateTestShell();
|
|
}
|
|
return tsp;
|
|
}
|
|
|
|
} // namespace
|
|
|
|
bool
|
|
XRE_SendTestShellCommand(JSContext* aCx,
|
|
JSString* aCommand,
|
|
void* aCallback)
|
|
{
|
|
JS::RootedString cmd(aCx, aCommand);
|
|
TestShellParent* tsp = GetOrCreateTestShellParent();
|
|
NS_ENSURE_TRUE(tsp, false);
|
|
|
|
nsAutoJSString command;
|
|
NS_ENSURE_TRUE(command.init(aCx, cmd), false);
|
|
|
|
if (!aCallback) {
|
|
return tsp->SendExecuteCommand(command);
|
|
}
|
|
|
|
TestShellCommandParent* callback = static_cast<TestShellCommandParent*>(
|
|
tsp->SendPTestShellCommandConstructor(command));
|
|
NS_ENSURE_TRUE(callback, false);
|
|
|
|
JS::Value callbackVal = *reinterpret_cast<JS::Value*>(aCallback);
|
|
NS_ENSURE_TRUE(callback->SetCallback(aCx, callbackVal), false);
|
|
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
XRE_ShutdownTestShell()
|
|
{
|
|
if (!gContentParent) {
|
|
return true;
|
|
}
|
|
bool ret = true;
|
|
if (gContentParent->IsAlive()) {
|
|
ret = gContentParent->DestroyTestShell(
|
|
gContentParent->GetTestShellSingleton());
|
|
}
|
|
NS_RELEASE(gContentParent);
|
|
return ret;
|
|
}
|
|
|
|
#ifdef MOZ_X11
|
|
void
|
|
XRE_InstallX11ErrorHandler()
|
|
{
|
|
#if (MOZ_WIDGET_GTK == 3)
|
|
InstallGdkErrorHandler();
|
|
#else
|
|
InstallX11ErrorHandler();
|
|
#endif
|
|
}
|
|
#endif
|
|
|
|
#ifdef MOZ_B2G_LOADER
|
|
extern const nsXREAppData* gAppData;
|
|
|
|
/**
|
|
* Preload static data of Gecko for B2G loader.
|
|
*
|
|
* This function is supposed to be called before XPCOM is initialized.
|
|
* For now, this function preloads
|
|
* - XPT interface Information
|
|
*/
|
|
void
|
|
XRE_ProcLoaderPreload(const char* aProgramDir, const nsXREAppData* aAppData)
|
|
{
|
|
void PreloadXPT(nsIFile *);
|
|
|
|
nsresult rv;
|
|
nsCOMPtr<nsIFile> omnijarFile;
|
|
rv = NS_NewNativeLocalFile(nsCString(aProgramDir),
|
|
true,
|
|
getter_AddRefs(omnijarFile));
|
|
MOZ_RELEASE_ASSERT(NS_SUCCEEDED(rv));
|
|
|
|
rv = omnijarFile->AppendNative(NS_LITERAL_CSTRING(NS_STRINGIFY(OMNIJAR_NAME)));
|
|
MOZ_RELEASE_ASSERT(NS_SUCCEEDED(rv));
|
|
|
|
/*
|
|
* gAppData is required by nsXULAppInfo. The manifest parser
|
|
* evaluate flags with the information from nsXULAppInfo.
|
|
*/
|
|
gAppData = aAppData;
|
|
|
|
PreloadXPT(omnijarFile);
|
|
|
|
gAppData = nullptr;
|
|
}
|
|
#endif /* MOZ_B2G_LOADER */
|