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thread->interp = perl_clone(aTHX, CLONEf_KEEP_PTR_TABLE | CLONEf_C +LONE_HOST);
PerlInterpreter *new_perl = perl_clone_using((PerlInterpreter*)aTH +X, CLONEf_COPY_STACKS, ... h->m_pHostperlSock, h->m_pHostperlProc );