1 files changed, 67 insertions, 0 deletions
diff --git a/src/VBox/Frontends/VBoxSDL/Helper.h b/src/VBox/Frontends/VBoxSDL/Helper.h
new file mode 100644
index 00000000..b0b33bd7
--- /dev/null
+++ b/src/VBox/Frontends/VBoxSDL/Helper.h
@@ -0,0 +1,67 @@
+/* $Id: Helper.h $ */
+/** @file
+ *
+ * VBox frontends: VBoxSDL (simple frontend based on SDL):
+ * Miscellaneous helpers header
+ */
+
+/*
+ * Copyright (C) 2006-2023 Oracle and/or its affiliates.
+ *
+ * This file is part of VirtualBox base platform packages, as
+ * available from https://www.virtualbox.org.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, in version 3 of the
+ * License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <https://www.gnu.org/licenses>.
+ *
+ * SPDX-License-Identifier: GPL-3.0-only
+ */
+
+#ifndef VBOX_INCLUDED_SRC_VBoxSDL_Helper_h
+#define VBOX_INCLUDED_SRC_VBoxSDL_Helper_h
+#ifndef RT_WITHOUT_PRAGMA_ONCE
+# pragma once
+#endif
+
+#if defined(VBOX_WITH_XPCOM) && !defined(RT_OS_DARWIN) && !defined(RT_OS_OS2)
+
+/** Indicates that the XPCOM queue thread is needed for this platform. */
+# define USE_XPCOM_QUEUE_THREAD 1
+
+/**
+ * Creates the XPCOM event thread
+ *
+ * @returns VBOX status code
+ * @param   eqFD XPCOM event queue file descriptor
+ */
+int startXPCOMEventQueueThread(int eqFD);
+
+/*
+ * Notify the XPCOM thread that we consumed an XPCOM event
+ */
+void consumedXPCOMUserEvent(void);
+
+/**
+ * Signal to the XPCOM even queue thread that it should select for more events.
+ */
+void signalXPCOMEventQueueThread(void);
+
+/**
+ * Indicates to the XPCOM thread that it should terminate now.
+ */
+void terminateXPCOMQueueThread(void);
+
+#endif /* defined(VBOX_WITH_XPCOM) && !defined(RT_OS_DARWIN) && !defined(RT_OS_OS2) */
+
+#endif /* !VBOX_INCLUDED_SRC_VBoxSDL_Helper_h */
+