-/* Copyright (c) 2007, 2009, 2010. The SimGrid Team.
+/* Copyright (c) 2007, 2009-2015. 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 "msg/msg.h" /* Yeah! If you want to use msg, you need to include msg/msg.h */
-#include "xbt/sysdep.h" /* calloc */
+#include "simgrid/msg.h"
-/* Create a log channel to have nice outputs. */
-#include "xbt/log.h"
-XBT_LOG_NEW_DEFAULT_CATEGORY(msg_test,
- "Messages specific for this msg example");
+XBT_LOG_NEW_DEFAULT_CATEGORY(msg_test, "Messages specific for this msg example");
-typedef enum {
- PORT_22 = 0,
- MAX_CHANNEL
-} channel_t;
+#define SLEEP(duration) \
+ if (MSG_process_sleep(duration) != MSG_OK) \
+ xbt_die("What's going on??? I failed to sleep!");
+/** @addtogroup MSG_examples
+ *
+ * - <b>suspend/suspend.c</b>: Demonstrates how to suspend and resume processes using
+ * @ref MSG_process_suspend and @ref MSG_process_resume.
+ */
/** Lazy guy function. This process suspends itself asap. */
static int lazy_guy(int argc, char *argv[])
{
- INFO0("Nobody's watching me ? Let's go to sleep.");
+ XBT_INFO("Nobody's watching me ? Let's go to sleep.");
MSG_process_suspend(MSG_process_self());
- INFO0("Uuuh ? Did somebody call me ?");
- INFO0("Mmmh, goodbye now.");
+ XBT_INFO("Uuuh ? Did somebody call me ?");
+
+ XBT_INFO("Going to sleep...");
+ SLEEP(10.0);
+ XBT_INFO("Mmm... waking up.");
+
+ XBT_INFO("Going to sleep one more time...");
+ SLEEP(10.0);
+ XBT_INFO("Waking up once for all!");
+
+ XBT_INFO("Mmmh, goodbye now.");
return 0;
} /* end_of_lazy_guy */
-/** Dream master function. This process creates a lazy_guy process and
- resumes it 10 seconds later. */
+/** Dream master function. This process creates a lazy_guy process and resumes it 10 seconds later. */
static int dream_master(int argc, char *argv[])
{
- m_process_t lazy = NULL;
+ msg_process_t lazy = NULL;
- INFO0("Let's create a lazy guy.");
+ XBT_INFO("Let's create a lazy guy.");
lazy = MSG_process_create("Lazy", lazy_guy, NULL, MSG_host_self());
- INFO0("Let's wait a little bit...");
- MSG_process_sleep(10.0);
- INFO0("Let's wake the lazy guy up! >:) BOOOOOUUUHHH!!!!");
+ XBT_INFO("Let's wait a little bit...");
+ SLEEP(10.0);
+ XBT_INFO("Let's wake the lazy guy up! >:) BOOOOOUUUHHH!!!!");
MSG_process_resume(lazy);
- INFO0("OK, goodbye now.");
- return 0;
-} /* end_of_dram_master */
-/** Test function */
-static MSG_error_t test_all(const char *platform_file,
- const char *application_file)
-{
- MSG_error_t res = MSG_OK;
-
- { /* Simulation setting */
- MSG_set_channel_number(MAX_CHANNEL);
- MSG_create_environment(platform_file);
- }
- { /* Application deployment */
- MSG_function_register("dream_master", dream_master);
- MSG_launch_application(application_file);
- }
- res = MSG_main();
+ SLEEP(5.0);
+ XBT_INFO("Suspend the lazy guy while he's sleeping...");
+ MSG_process_suspend(lazy);
+ XBT_INFO("Let him finish his siesta.");
+ SLEEP(10.0);
+ XBT_INFO("Wake up, lazy guy!");
+ MSG_process_resume(lazy);
- INFO1("Simulation time %g", MSG_get_clock());
- return res;
-} /* end_of_test_all */
+ SLEEP(5.0);
+ XBT_INFO("Suspend again the lazy guy while he's sleeping...");
+ MSG_process_suspend(lazy);
+ XBT_INFO("This time, don't let him finish his siesta.");
+ SLEEP(2.0);
+ XBT_INFO("Wake up, lazy guy!");
+ MSG_process_resume(lazy);
+ XBT_INFO("OK, goodbye now.");
+ return 0;
+} /* end_of_dream_master */
-/** Main function */
int main(int argc, char *argv[])
{
- MSG_error_t res = MSG_OK;
-
- MSG_global_init(&argc, argv);
- if (argc < 3) {
- CRITICAL1("Usage: %s platform_file deployment_file\n", argv[0]);
- CRITICAL1("example: %s msg_platform.xml msg_deployment_suspend.xml\n",
- argv[0]);
- exit(1);
- }
- test_all(argv[1], argv[2]);
- res = MSG_clean();
-
- if (res == MSG_OK)
- return 0;
- else
- return 1;
-} /* end_of_main */
+ msg_error_t res = MSG_OK;
+
+ MSG_init(&argc, argv);
+ xbt_assert(argc > 1, "Usage: %s platform_file\n\tExample: %s msg_platform.xml\n", argv[0], argv[0]);
+
+ MSG_create_environment(argv[1]);
+ MSG_function_register("dream_master", dream_master);
+ xbt_dynar_t hosts = MSG_hosts_as_dynar();
+ MSG_process_create("dream_master", dream_master, NULL, xbt_dynar_getfirst_as(hosts, msg_host_t));
+ xbt_dynar_free(&hosts);
+ res = MSG_main();
+
+ XBT_INFO("Simulation time %g", MSG_get_clock());
+ return res != MSG_OK;
+}