delete tls;
}
-void* ThreadLocalImpl::getInstance() {
+const void* ThreadLocalImpl::getInstance() {
DWORD* tls = static_cast<DWORD*>(data);
return TlsGetValue(*tls);
}
-void ThreadLocalImpl::setInstance(void* d){
+void ThreadLocalImpl::setInstance(const void* d){
DWORD* tls = static_cast<DWORD*>(data);
int errorcode = TlsSetValue(*tls, d);
assert(errorcode == 0);