SERVER-27287: Deduplicate `SetGlobalEnvironment`

Some places defining this initializer were outside of the
anonymous namespace, leading to future potential symbol collisions.
All locations were put into the anonymous namespace.

3 files changed, 8 insertions, 0 deletions

diff --git a/src/mongo/db/service_context_d.cpp b/src/mongo/db/service_context_d.cpp
index a677fb394bb..b04012a8e51 100644
--- a/src/mongo/db/service_context_d.cpp
+++ b/src/mongo/db/service_context_d.cpp
@@ -55,6 +55,7 @@
 #include "mongo/util/system_tick_source.h"
 
 namespace mongo {
+namespace {
 
 MONGO_INITIALIZER(SetGlobalEnvironment)(InitializerContext* context) {
     setGlobalServiceContext(stdx::make_unique<ServiceContextMongoD>());
@@ -65,6 +66,7 @@ MONGO_INITIALIZER(SetGlobalEnvironment)(InitializerContext* context) {
     service->setPreciseClockSource(stdx::make_unique<SystemClockSource>());
     return Status::OK();
 }
+}  // namespace
 
 ServiceContextMongoD::ServiceContextMongoD() = default;
 
diff --git a/src/mongo/db/sorter/sorter_test.cpp b/src/mongo/db/sorter/sorter_test.cpp
index 1bf02fdcbf3..6a85cbfaef2 100644
--- a/src/mongo/db/sorter/sorter_test.cpp
+++ b/src/mongo/db/sorter/sorter_test.cpp
@@ -52,11 +52,14 @@ using namespace mongo::sorter;
 using std::make_shared;
 using std::pair;
 
+namespace {
+
 // Stub to avoid including the server environment library.
 MONGO_INITIALIZER(SetGlobalEnvironment)(InitializerContext* context) {
     setGlobalServiceContext(stdx::make_unique<ServiceContextNoop>());
     return Status::OK();
 }
+}  // namespace
 
 //
 // Sorter framework testing utilities
diff --git a/src/mongo/db/storage/wiredtiger/wiredtiger_record_store_mock.cpp b/src/mongo/db/storage/wiredtiger/wiredtiger_record_store_mock.cpp
index e6460222ec4..83eb5d7d342 100644
--- a/src/mongo/db/storage/wiredtiger/wiredtiger_record_store_mock.cpp
+++ b/src/mongo/db/storage/wiredtiger/wiredtiger_record_store_mock.cpp
@@ -45,8 +45,11 @@ bool WiredTigerKVEngine::initRsOplogBackgroundThread(StringData ns) {
     return NamespaceString::oplog(ns);
 }
 
+namespace {
+
 MONGO_INITIALIZER(SetGlobalEnvironment)(InitializerContext* context) {
     setGlobalServiceContext(stdx::make_unique<ServiceContextNoop>());
     return Status::OK();
 }
+}  // namespace
 }  // namespace mongo