h_simdata = h->simdata;
DEBUG2("Probing on channel %d (%s)", channel,h->name);
- while((item = xbt_fifo_getFirstItem(h->simdata->mbox[channel]))) {
+ while(!(item = xbt_fifo_getFirstItem(h->simdata->mbox[channel]))) {
if(max_duration>0) {
if(!first_time) {
MSG_RETURN(MSG_OK);