xbt_swag_foreach_safe(smx_process, smx_process_safe, process_list) {
XBT_DEBUG("suspend %s", smx_process->name.c_str());
SIMIX_process_suspend(smx_process, issuer);
xbt_swag_foreach_safe(smx_process, smx_process_safe, process_list) {
XBT_DEBUG("suspend %s", smx_process->name.c_str());
SIMIX_process_suspend(smx_process, issuer);