Adding upstream version 86.0.1.upstream/86.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 76 insertions, 0 deletions

diff --git a/xpcom/base/AppShutdown.h b/xpcom/base/AppShutdown.h
new file mode 100644
index 0000000000..4a480b6323
--- /dev/null
+++ b/xpcom/base/AppShutdown.h
@@ -0,0 +1,76 @@
+/* -*- 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();
+
+  /**
+   * Returns the current exit code that the process will be terminated with.
+   */
+  static int GetExitCode();
+
+  /**
+   * 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 and exit code.
+   */
+  static void Init(AppShutdownMode aMode, int aExitCode);
+
+  /**
+   * 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.
+   *
+   * Optionally a custom exit code can be supplied.
+   */
+  static void DoImmediateExit(int aExitCode = 0);
+
+  /**
+   * True if the application is currently attempting to shut down in order to
+   * restart.
+   */
+  static bool IsRestarting();
+};
+
+}  // namespace mozilla
+
+#endif  // AppShutdown_h