xbt_fifo_t request_queue;
xbt_fifo_t message_queue;
- int running_hosts_count;
-
smpi_mpi_request_t request;
smpi_received_message_t message;
request_queue = mydata->pending_recv_request_queue;
message_queue = smpi_global->received_message_queues[index];
- do {
-
+ while (1) {
// FIXME: better algorithm, maybe some kind of balanced tree? or a heap?
xbt_fifo_foreach(request_queue,request_item,request,smpi_mpi_request_t){
message = NULL;
stopsearch:
- if (NULL == request || NULL == message) {
- SIMIX_process_suspend(self);
+ if (NULL != request) {
+ if (NULL == message)
+ DIE_IMPOSSIBLE;
+
+ SIMIX_mutex_lock(request->mutex);
+ memcpy(request->buf, message->buf,
+ request->datatype->size * request->count);
+ request->src = message->src;
+ request->data = message->data;
+ request->forward = message->forward;
+
+ if (0 == request->forward) {
+ request->completed = 1;
+ SIMIX_cond_broadcast(request->cond);
+ } else {
+ request->src = request->comm->index_to_rank_map[index];
+ request->dst = (request->src + 1) % request->comm->size;
+ smpi_mpi_isend(request);
+ }
+
+ SIMIX_mutex_unlock(request->mutex);
+
+ xbt_free(message->buf);
+ xbt_mallocator_release(smpi_global->message_mallocator, message);
+
+ } else if (mydata->finalize>0) { /* main wants me to die and nothing to do */
+ // FIXME: display the list of remaining requests and messages (user code synchronization faulty?)
+ mydata->finalize--;
+ SIMIX_cond_signal(mydata->cond);
+ return 0;
} else {
-
- SIMIX_mutex_lock(request->mutex);
- memcpy(request->buf, message->buf,
- request->datatype->size * request->count);
- request->src = message->src;
- request->data = message->data;
- request->forward = message->forward;
-
- if (0 == request->forward) {
- request->completed = 1;
- SIMIX_cond_broadcast(request->cond);
- } else {
- request->src = request->comm->index_to_rank_map[index];
- request->dst = (request->src + 1) % request->comm->size;
- smpi_mpi_isend(request);
- }
-
- SIMIX_mutex_unlock(request->mutex);
-
- xbt_free(message->buf);
- xbt_mallocator_release(smpi_global->message_mallocator, message);
-
+ SIMIX_process_suspend(self);
}
-
- running_hosts_count = smpi_global->running_hosts_count;
-
- } while (0 < running_hosts_count);
+ }
return 0;
}