SERVER-5112 Introduce runGlobalInitializers(), macros and tools for global initializer declaration.

These utilities simplify adding global (process-wide) initializers that run at the beginning of
main().

Also, run the global initializers in the main() of unittests.

1 files changed, 29 insertions, 0 deletions

diff --git a/src/mongo/base/global_initializer.h b/src/mongo/base/global_initializer.h
new file mode 100644
index 00000000000..4f5609c2d89
--- /dev/null
+++ b/src/mongo/base/global_initializer.h
@@ -0,0 +1,29 @@
+/*    Copyright 2012 10gen Inc.
+ *
+ *    Licensed under the Apache License, Version 2.0 (the "License");
+ *    you may not use this file except in compliance with the License.
+ *    You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *    Unless required by applicable law or agreed to in writing, software
+ *    distributed under the License is distributed on an "AS IS" BASIS,
+ *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *    See the License for the specific language governing permissions and
+ *    limitations under the License.
+ */
+
+#pragma once
+
+namespace mongo {
+    class Initializer;
+
+    /**
+     * Get the process-global initializer object.
+     *
+     * See mongo/base/initializer.h and mongo/base/init.h for information about process
+     * initialization in mongo applications.
+     */
+    Initializer& getGlobalInitializer();
+
+}  // namespace mongo