XBT_DEBUG("host_list_size=%d", host_list_size);
m_host_list = calloc(host_list_size, sizeof(msg_host_t));
for (i = 1; i <= host_list_size; i++) {
XBT_DEBUG("host_list_size=%d", host_list_size);
m_host_list = calloc(host_list_size, sizeof(msg_host_t));
for (i = 1; i <= host_list_size; i++) {