if (process != simcall->issuer) {
SIMIX_simcall_answer(simcall);
} else {
xbt_fifo_push(sync_suspend->simcalls, simcall);
process->waiting_synchro = sync_suspend;
if (process != simcall->issuer) {
SIMIX_simcall_answer(simcall);
} else {
xbt_fifo_push(sync_suspend->simcalls, simcall);
process->waiting_synchro = sync_suspend;