From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 02:47:55 +0200 Subject: Adding upstream version 124.0.1. Signed-off-by: Daniel Baumann --- uriloader/exthandler/DBusHelpers.h | 84 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 84 insertions(+) create mode 100644 uriloader/exthandler/DBusHelpers.h (limited to 'uriloader/exthandler/DBusHelpers.h') diff --git a/uriloader/exthandler/DBusHelpers.h b/uriloader/exthandler/DBusHelpers.h new file mode 100644 index 0000000000..4f4f64309d --- /dev/null +++ b/uriloader/exthandler/DBusHelpers.h @@ -0,0 +1,84 @@ +/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */ +/* vim: set ts=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 mozilla_DBusHelpers_h +#define mozilla_DBusHelpers_h + +#include +#include "mozilla/UniquePtr.h" +#include "mozilla/RefPtr.h" + +namespace mozilla { + +template <> +struct RefPtrTraits { + static void AddRef(DBusMessage* aMessage) { + MOZ_ASSERT(aMessage); + dbus_message_ref(aMessage); + } + static void Release(DBusMessage* aMessage) { + MOZ_ASSERT(aMessage); + dbus_message_unref(aMessage); + } +}; + +template <> +struct RefPtrTraits { + static void AddRef(DBusPendingCall* aPendingCall) { + MOZ_ASSERT(aPendingCall); + dbus_pending_call_ref(aPendingCall); + } + static void Release(DBusPendingCall* aPendingCall) { + MOZ_ASSERT(aPendingCall); + dbus_pending_call_unref(aPendingCall); + } +}; + +/* + * |RefPtrTraits| specializes |RefPtrTraits<>| + * for managing |DBusConnection| with |RefPtr|. + * + * |RefPtrTraits| will _not_ close the DBus + * connection upon the final unref. The caller is responsible + * for closing the connection. + */ +template <> +struct RefPtrTraits { + static void AddRef(DBusConnection* aConnection) { + MOZ_ASSERT(aConnection); + dbus_connection_ref(aConnection); + } + static void Release(DBusConnection* aConnection) { + MOZ_ASSERT(aConnection); + dbus_connection_unref(aConnection); + } +}; + +/* + * |DBusConnectionDelete| is a deleter for managing instances + * of |DBusConnection| in |UniquePtr|. Upon destruction, it + * will close an open connection before unref'ing the data + * structure. + * + * Do not use |UniquePtr| with shared DBus connections. For + * shared connections, use |RefPtr|. + */ +class DBusConnectionDelete { + public: + constexpr DBusConnectionDelete() {} + + void operator()(DBusConnection* aConnection) const { + MOZ_ASSERT(aConnection); + if (dbus_connection_get_is_connected(aConnection)) { + dbus_connection_close(aConnection); + } + dbus_connection_unref(aConnection); + } +}; + +} // namespace mozilla + +#endif // mozilla_DBusHelpers_h -- cgit v1.2.3