1 files changed, 76 insertions, 0 deletions
diff --git a/xpcom/components/Module.h b/xpcom/components/Module.h
new file mode 100644
index 0000000000..044626b1ab
--- /dev/null
+++ b/xpcom/components/Module.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 mozilla_Module_h
+#define mozilla_Module_h
+
+#include "nscore.h"
+
+namespace mozilla {
+
+namespace Module {
+/**
+ * This selector allows components to be marked so that they're only loaded
+ * into certain kinds of processes. Selectors can be combined.
+ */
+// Note: This must be kept in sync with the selector matching in
+// nsComponentManager.cpp.
+enum ProcessSelector {
+  ANY_PROCESS = 0x0,
+  MAIN_PROCESS_ONLY = 0x1,
+  CONTENT_PROCESS_ONLY = 0x2,
+
+  /**
+   * By default, modules are not loaded in the GPU, VR, Socket, RDD, Utility
+   * and IPDLUnitTest processes, even if ANY_PROCESS is specified. This flag
+   * enables a module in the relevant process.
+   *
+   * NOTE: IPDLUnitTest does not have its own flag, and will only load a
+   * module if it is enabled in all processes.
+   */
+  ALLOW_IN_GPU_PROCESS = 0x4,
+  ALLOW_IN_VR_PROCESS = 0x8,
+  ALLOW_IN_SOCKET_PROCESS = 0x10,
+  ALLOW_IN_RDD_PROCESS = 0x20,
+  ALLOW_IN_UTILITY_PROCESS = 0x30,
+  ALLOW_IN_GPU_AND_MAIN_PROCESS = ALLOW_IN_GPU_PROCESS | MAIN_PROCESS_ONLY,
+  ALLOW_IN_GPU_AND_VR_PROCESS = ALLOW_IN_GPU_PROCESS | ALLOW_IN_VR_PROCESS,
+  ALLOW_IN_GPU_AND_SOCKET_PROCESS =
+      ALLOW_IN_GPU_PROCESS | ALLOW_IN_SOCKET_PROCESS,
+  ALLOW_IN_GPU_VR_AND_SOCKET_PROCESS =
+      ALLOW_IN_GPU_PROCESS | ALLOW_IN_VR_PROCESS | ALLOW_IN_SOCKET_PROCESS,
+  ALLOW_IN_RDD_AND_SOCKET_PROCESS =
+      ALLOW_IN_RDD_PROCESS | ALLOW_IN_SOCKET_PROCESS,
+  ALLOW_IN_GPU_RDD_AND_SOCKET_PROCESS =
+      ALLOW_IN_GPU_PROCESS | ALLOW_IN_RDD_PROCESS | ALLOW_IN_SOCKET_PROCESS,
+  ALLOW_IN_GPU_RDD_SOCKET_AND_UTILITY_PROCESS =
+      ALLOW_IN_GPU_PROCESS | ALLOW_IN_RDD_PROCESS | ALLOW_IN_SOCKET_PROCESS,
+  ALLOW_IN_GPU_RDD_VR_AND_SOCKET_PROCESS =
+      ALLOW_IN_GPU_PROCESS | ALLOW_IN_RDD_PROCESS | ALLOW_IN_VR_PROCESS |
+      ALLOW_IN_SOCKET_PROCESS,
+  ALLOW_IN_GPU_RDD_VR_SOCKET_AND_UTILITY_PROCESS =
+      ALLOW_IN_GPU_PROCESS | ALLOW_IN_RDD_PROCESS | ALLOW_IN_VR_PROCESS |
+      ALLOW_IN_SOCKET_PROCESS | ALLOW_IN_UTILITY_PROCESS
+};
+
+static constexpr size_t kMaxProcessSelector =
+    size_t(ProcessSelector::ALLOW_IN_GPU_RDD_VR_SOCKET_AND_UTILITY_PROCESS);
+
+/**
+ * This allows category entries to be marked so that they are or are
+ * not loaded when in backgroundtask mode.
+ */
+// Note: This must be kept in sync with the selector matching in
+// StaticComponents.cpp.in.
+enum BackgroundTasksSelector {
+  NO_TASKS = 0x0,
+  ALL_TASKS = 0xFFFF,
+};
+};  // namespace Module
+
+}  // namespace mozilla
+
+#endif  // mozilla_Module_h