-/* Copyright (c) 2018. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2018-2021. 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. */
#define INCLUDE_SIMGRID_ENGINE_H_
#include <simgrid/forward.h>
+#include <stddef.h>
-/* C interface */
-SG_BEGIN_DECL()
-XBT_PUBLIC void sg_engine_load_platform(const char* filename);
-XBT_PUBLIC void sg_engine_load_deployment(const char* filename);
-XBT_PUBLIC void sg_engine_run();
-XBT_PUBLIC void sg_engine_register_function(const char* name, int (*code)(int, char**));
-XBT_PUBLIC void sg_engine_register_default(int (*code)(int, char**));
-XBT_PUBLIC double sg_engine_get_clock();
-SG_END_DECL()
+SG_BEGIN_DECL /* C interface */
+
+ /** Initialize the SimGrid engine, taking the command line parameters of your main function. */
+ XBT_PUBLIC void
+ simgrid_init(int* argc, char** argv);
+
+/** Creates a new platform, including hosts, links, and the routing table.
+ *
+ * \beginrst
+ * See also: :ref:`platform`.
+ * \endrst
+ */
+XBT_PUBLIC void simgrid_load_platform(const char* filename);
+/** Load a deployment file and launch the actors that it contains
+ *
+ * \beginrst
+ * See also: :ref:`deploy`.
+ * \endrst
+ */
+XBT_PUBLIC void simgrid_load_deployment(const char* filename);
+/** Run the simulation after initialization */
+XBT_PUBLIC void simgrid_run();
+/** Registers the main function of an actor that will be launched from the deployment file */
+XBT_PUBLIC void simgrid_register_function(const char* name, void (*code)(int, char**));
+/** Registers a function as the default main function of actors
+ *
+ * It will be used as fallback when the function requested from the deployment file was not registered.
+ * It is used for trace-based simulations (see examples/s4u/replay-comms and similar).
+ */
+XBT_PUBLIC void simgrid_register_default(void (*code)(int, char**));
+/** Retrieve the simulation time (in seconds) */
+XBT_PUBLIC double simgrid_get_clock();
+/** Retrieve the number of actors in the simulation */
+XBT_ATTRIB_DEPRECATED_v330("Please use sg_actor_count()") XBT_PUBLIC int simgrid_get_actor_count();
+
+/** @brief Allow other libraries to react to the --help flag, too
+ *
+ * When finding --help on the command line, simgrid usually stops right after displaying its help message.
+ * If you are writing a library using simgrid, you may want to display your own help message before everything stops.
+ * If so, just call this function before having simgrid parsing the command line, and you will be given the control
+ * even if the user is asking for help.
+ */
+XBT_PUBLIC void sg_config_continue_after_help();
+
+SG_END_DECL
#endif /* INCLUDE_SIMGRID_ENGINE_H_ */
