/* xbt_synchro -- advanced multithreaded features */
/* Working on top of real threads in RL and of simulated processes in SG */
-/* Copyright 2009 Da SimGrid Team. All right reserved. */
+/* Copyright (c) 2009, 2010. The SimGrid Team.
+ * All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
#include "xbt/sysdep.h"
#include "xbt/dynar.h"
#include "xbt/synchro.h"
+XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(xbt_sync);
typedef struct {
xbt_dynar_t data;
static void worker_wrapper(void *w) {
worker_data_t me=(worker_data_t)w;
(*me->function)(me->rank,xbt_dynar_get_ptr(me->data,me->rank));
- xbt_thread_exit();
}
void xbt_dynar_dopar(xbt_dynar_t datas, void_f_int_pvoid_t function) {
xbt_dynar_t workers = xbt_dynar_new(sizeof(worker_data_t),worker_wait_n_free);
unsigned int cursor;
void *data;
+ if (xbt_dynar_length(datas)==0)
+ return; /* nothing to do */
+ if (xbt_dynar_length(datas)==1) {
+ /* don't start any new thread, do it directly */
+ (*function)(0,xbt_dynar_get_ptr(datas,0));
+ return;
+ }
/* Start all workers */
+ INFO1("Dopar for %ld elements",xbt_dynar_length(datas));
xbt_dynar_foreach(datas,cursor,data){
worker_data_t w = xbt_new0(s_worker_data_t,1);
w->data = datas;