1 /* Copyright (c) 2004-2018. The SimGrid Team. All rights reserved. */
3 /* This program is free software; you can redistribute it and/or modify it
4 * under the terms of the license (GNU LGPL) which comes with this package. */
6 #include "simgrid/s4u/Engine.hpp"
7 #include "simgrid/s4u/Host.hpp"
10 #include "src/instr/instr_private.hpp"
11 #include "src/msg/msg_private.hpp"
12 #include <xbt/config.hpp>
14 XBT_LOG_NEW_CATEGORY(msg, "All MSG categories");
15 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(msg_kernel, msg, "Logging specific to MSG (kernel)");
17 MSG_Global_t msg_global = nullptr;
18 static void MSG_exit();
20 /********************************* MSG **************************************/
23 * \ingroup msg_simulation
24 * \brief Initialize MSG with less verifications
25 * You should use the MSG_init() function instead. Failing to do so may turn into PEBKAC some day. You've been warned.
27 void MSG_init_nocheck(int *argc, char **argv) {
33 msg_global = new s_MSG_Global_t();
35 msg_global->debug_multiple_use = false;
36 simgrid::config::bind_flag(msg_global->debug_multiple_use, "msg/debug-multiple-use",
37 "Print backtraces of both processes when there is a conflict of multiple use of a task");
39 SIMIX_global_init(argc, argv);
41 msg_global->sent_msg = 0;
42 msg_global->task_copy_callback = nullptr;
43 msg_global->process_data_cleanup = nullptr;
45 SIMIX_function_register_process_create(MSG_process_create_from_SIMIX);
46 SIMIX_function_register_process_cleanup(MSG_process_cleanup_from_SIMIX);
50 /* Ignore total amount of messages sent during the simulation for heap comparison */
51 MC_ignore_heap(&(msg_global->sent_msg), sizeof(msg_global->sent_msg));
54 if (simgrid::config::get_value<bool>("clean-atexit"))
58 /** \ingroup msg_simulation
59 * \brief Launch the MSG simulation
61 msg_error_t MSG_main()
63 /* Clean IO before the run */
75 /** \ingroup msg_simulation
76 * \brief set a configuration variable
78 * Do --help on any simgrid binary to see the list of currently existing configuration variables, and see Section @ref options.
81 * MSG_config("host/model","ptask_L07");
83 void MSG_config(const char *key, const char *value){
84 xbt_assert(msg_global,"ERROR: Please call MSG_init() before using MSG_config()");
85 simgrid::config::set_as_string(key, value);
88 static void MSG_exit() {
93 unsigned long int MSG_get_sent_msg()
95 return msg_global->sent_msg;
98 /** \brief register functions bypassing the parser */
99 void MSG_set_function(const char* host_id, const char* function_name, xbt_dynar_t arguments)
101 SIMIX_process_set_function(host_id, function_name, arguments, -1, -1);