1 files changed, 56 insertions, 0 deletions
diff --git a/Source/Threading/thread_sanity.cpp b/Source/Threading/thread_sanity.cpp
new file mode 100644
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+++ b/Source/Threading/thread_sanity.cpp
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+//-----------------------------------------------------------------------------
+//           Name: thread_sanity.cpp
+//      Developer: Wolfire Games LLC
+//    Description:
+//        License: Read below
+//-----------------------------------------------------------------------------
+//
+//   Copyright 2022 Wolfire Games LLC
+//
+//   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.
+//
+//-----------------------------------------------------------------------------
+#include "thread_sanity.h"
+
+#include <Logging/logdata.h>
+
+#include <thread>
+#include <cassert>
+
+using std::thread;
+using std::endl;
+
+static thread::id main_thread_id;
+
+//Record which thread is the main one so that we can assert that we are in the main thread going forward.
+void RegisterMainThreadID()
+{
+    main_thread_id = std::this_thread::get_id();
+}
+
+bool AssertMainThread()
+{
+    if( main_thread_id != std::this_thread::get_id() )
+    {
+        LOGE << "It appears a thread has entered a code block that is limited only to the main thread" << endl;
+        assert(false);
+        return false;
+    }
+    return true;
+}
+
+
+bool IsMainThread()
+{
+    return main_thread_id == std::this_thread::get_id();
+}