gecko-dev/xpcom/base/AppShutdown.h

70 строки
1.8 KiB
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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/. */
#ifndef AppShutdown_h
#define AppShutdown_h
#include "ShutdownPhase.h"
namespace mozilla {
enum class AppShutdownMode {
Normal,
Restart,
};
class AppShutdown {
public:
static bool IsShuttingDown();
/**
* Save environment variables that we might need if the app initiates a
* restart later in its lifecycle.
*/
static void SaveEnvVarsForPotentialRestart();
/**
* Init the shutdown with the requested shutdown mode.
*/
static void Init(AppShutdownMode aMode);
/**
* Confirm that we are in fact going to be shutting down.
*/
static void OnShutdownConfirmed();
/**
* If we've attempted to initiate a restart, this call will set up the
* necessary environment variables and launch the new process.
*/
static void MaybeDoRestart();
/**
* This will perform a fast shutdown via _exit(0) or similar if the user's
* prefs are configured to do so at this phase.
*/
static void MaybeFastShutdown(ShutdownPhase aPhase);
/**
* The _exit() call is not a safe way to terminate your own process on
* Windows, because _exit runs DLL detach callbacks which run static
* destructors for xul.dll.
*
* This method terminates the current process without those issues.
*/
static void DoImmediateExit();
/**
* True if the application is currently attempting to shut down in order to
* restart.
*/
static bool IsRestarting();
};
} // namespace mozilla
#endif // AppShutdown_h