Adds further ext deps as-is binaries copies from customers env.

external/tmsif/include/ddkit/base/ThreadSync.hpp

@@ -0,0 +1,37 @@
+#pragma once
+
+#include "ddkit/base/Thread.hpp"
+
+namespace ddkit {
+namespace base {
+
+/// @brief ThreadSync may be used instead of Thread, if 'start()' shall be 'synchronous', that is
+/// - the os-thread, which is calling 'start()' on this obj, is blocked until
+///   - the new os-thread is created and the intern-thread-function was started
+///   - the overridden 'run()'-method (Derivee from ThreadSync) is started
+///   - the implementation of that 'run'-method decided to call 'ready()'
+///     - (as first command, or after some initialization-steps, which went for some reason not in ctor, but run)
+class ThreadSync : public Thread {
+
+public:
+    ThreadSync(const std::string& name);
+    virtual ~ThreadSync() override;
+
+protected:
+    void ready();
+
+private:
+    std::recursive_mutex m_mutex;
+    std::condition_variable_any m_condition;
+
+    bool m_isReady; // did the thread call "ready()" for signaling "fully" starting up?
+
+    void waitForReadyIf() override; // called by Thread
+
+    ThreadSync(ThreadSync const&) = delete;
+    void operator=(ThreadSync const&) = delete;
+};
+
+
+} // namespace base
+} // namespace ddkit