PR_ASSERT(_PR_TRI_UNKNOWN == fd->secret->inheritable); if (fd->secret->md.io_model_committed) { return; }
_PR_MD_QUERY_FD_INHERITABLE(PRFileDesc *fd){    DWORD flags;    if (GetHandleInformation((HANDLE)fd->secret->md.osfd, &flags)) {        if (flags & HANDLE_FLAG_INHERIT) {            fd->secret->inheritable = _PR_TRI_TRUE;        } else {            fd->secret->inheritable = _PR_TRI_FALSE;        }    }}