-/* 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. */
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);
}
/** 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;
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;
}
