X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/6ee7e9c2e455536ab817ae0136acfbb53822eecd..6a42d0b4d34e2b9777922430ef85646dabbefa20:/examples/msg/parallel_task/parallel_task.c?ds=sidebyside

diff --git a/examples/msg/parallel_task/parallel_task.c b/examples/msg/parallel_task/parallel_task.c
index ced1cf2014..51a5b23481 100644
--- a/examples/msg/parallel_task/parallel_task.c
+++ b/examples/msg/parallel_task/parallel_task.c
@@ -1,11 +1,11 @@
-/* Copyright (c) 2007, 2008, 2009, 2010. The SimGrid Team.
+/* Copyright (c) 2007-2015. 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 <stdio.h>
-#include "msg/msg.h"            /* Yeah! If you want to use msg, you need to include msg/msg.h */
+#include "simgrid/msg.h"        /* Yeah! If you want to use msg, you need to include simgrid/msg.h */
 #include "xbt/sysdep.h"         /* calloc, printf */
 
 /* Create a log channel to have nice outputs. */
@@ -14,23 +14,35 @@
 XBT_LOG_NEW_DEFAULT_CATEGORY(msg_test,
                              "Messages specific for this msg example");
 
+/** @addtogroup MSG_examples
+ * 
+ * - <b>parallel_task/parallel_task.c</b>: Demonstrates the use of
+ *   @ref MSG_parallel_task_create, to create special tasks that run
+ *   on several hosts at the same time. The resulting simulations are
+ *   very close to what can be achieved in @ref SD_API, but still
+ *   allows to use the other features of MSG (it'd be cool to be able
+ *   to mix interfaces, but it's not possible ATM).
+ */
+
 int test(int argc, char *argv[]);
-MSG_error_t test_all(const char *platform_file);
+msg_error_t test_all(const char *platform_file);
 
 /** Emitter function  */
 int test(int argc, char *argv[])
 {
+  xbt_dynar_t slaves_dynar;
   int slaves_count = 0;
-  m_host_t *slaves = NULL;
+  msg_host_t *slaves = NULL;
   double task_comp_size = 100000;
   double task_comm_size = 10000;
   double *computation_amount = NULL;
   double *communication_amount = NULL;
-  m_task_t ptask = NULL;
+  msg_task_t ptask = NULL;
   int i, j;
 
-  slaves_count = MSG_get_host_number();
-  slaves = MSG_get_host_table();
+  slaves_dynar = MSG_hosts_as_dynar();
+  slaves_count = xbt_dynar_length(slaves_dynar);
+  slaves = xbt_dynar_to_array(slaves_dynar);
 
   computation_amount = xbt_new0(double, slaves_count);
   communication_amount = xbt_new0(double, slaves_count * slaves_count);
@@ -59,19 +71,20 @@ int test(int argc, char *argv[])
 }
 
 /** Test function */
-MSG_error_t test_all(const char *platform_file)
+msg_error_t test_all(const char *platform_file)
 {
-  MSG_error_t res = MSG_OK;
-  m_host_t *hosts;
+  msg_error_t res = MSG_OK;
+  xbt_dynar_t all_hosts;
+  msg_host_t first_host;
 
-  MSG_config("workstation/model", "ptask_L07");
-  MSG_set_channel_number(1);
+  MSG_config("host/model", "ptask_L07");
   MSG_create_environment(platform_file);
 
-  hosts = MSG_get_host_table();
-  MSG_process_create("test", test, NULL, hosts[0]);
+  all_hosts = MSG_hosts_as_dynar();
+  first_host = xbt_dynar_getfirst_as(all_hosts,msg_host_t);
+  MSG_process_create("test", test, NULL, first_host);
   res = MSG_main();
-  xbt_free(hosts);
+  xbt_dynar_free(&all_hosts);
 
   XBT_INFO("Simulation time %g", MSG_get_clock());
   return res;
@@ -79,19 +92,12 @@ MSG_error_t test_all(const char *platform_file)
 
 int main(int argc, char *argv[])
 {
-  MSG_error_t res = MSG_OK;
-
-  MSG_global_init(&argc, argv);
-  if (argc < 2) {
-    printf("Usage: %s platform_file\n", argv[0]);
-    printf("example: %s msg_platform.xml\n", argv[0]);
-    exit(1);
-  }
+  msg_error_t res = MSG_OK;
+
+  MSG_init(&argc, argv);
+  xbt_assert(argc > 1, "Usage: %s platform_file\n"
+	     "\tExample: %s msg_platform.xml", argv[0], argv[0]);
   res = test_all(argv[1]);
-  MSG_clean();
 
-  if (res == MSG_OK)
-    return 0;
-  else
-    return 1;
+  return res != MSG_OK;
 }