built and tested - pass

impl/getcurrentthreadid.cpp

@@ -0,0 +1,9 @@
+#include "getcurrentthreadid.h"
+#include <unistd.h>
+#include <pthread.h>
+
+HANDLE GetCurrentThreadId()
+{
+	pid_t tid = pthread_self();
+	return reinterpret_cast<HANDLE>(tid);
+}

impl/getcurrentthreadid.h

@@ -0,0 +1,10 @@
+#pragma once
+
+#include "pal.h"
+
+PAL_BEGIN_EXTERNC
+
+HANDLE GetCurrentThreadId();
+
+PAL_END_EXTERNC
+