msg_file_priv_t priv = xbt_new(s_msg_file_priv_t, 1);
priv->data = data;
priv->fullpath = xbt_strdup(fullpath);
priv->simdata = xbt_new0(s_simdata_file_t,1);
priv->simdata->smx_file = simcall_file_open(fullpath, MSG_host_self());
msg_file_priv_t priv = xbt_new(s_msg_file_priv_t, 1);
priv->data = data;
priv->fullpath = xbt_strdup(fullpath);
priv->simdata = xbt_new0(s_simdata_file_t,1);
priv->simdata->smx_file = simcall_file_open(fullpath, MSG_host_self());