1 /* Copyright (c) 2007-2019. The SimGrid Team.
2 * All rights reserved. */
4 /* This program is free software; you can redistribute it and/or modify it
5 * under the terms of the license (GNU LGPL) which comes with this package. */
7 #ifndef SIMGRID_SIMIX_HPP
8 #define SIMGRID_SIMIX_HPP
10 #include <simgrid/simix.h>
11 #include <xbt/functional.hpp>
12 #include <xbt/future.hpp>
13 #include <xbt/signal.hpp>
16 #include <unordered_map>
18 XBT_PUBLIC void simcall_run_kernel(std::function<void()> const& code);
20 /** Execute some code in the kernel and block
22 * run_blocking() is a generic blocking simcall. It is given a callback
23 * which is executed immediately in the SimGrid kernel. The callback is
24 * responsible for setting the suitable logic for waking up the process
27 * @ref simix::kernelSync() is a higher level wrapper for this.
29 XBT_PUBLIC void simcall_run_blocking(std::function<void()> const& code);
31 template<class F> inline
32 void simcall_run_kernel(F& f)
34 simcall_run_kernel(std::function<void()>(std::ref(f)));
36 template<class F> inline
37 void simcall_run_blocking(F& f)
39 simcall_run_blocking(std::function<void()>(std::ref(f)));
46 /** Execute some code in the kernel/maestro
48 * This can be used to enforce mutual exclusion with other simcall.
49 * More importantly, this enforces a deterministic/reproducible ordering
50 * of the operation with respect to other simcalls.
52 template <class F> typename std::result_of<F()>::type simcall(F&& code)
54 // If we are in the maestro, we take the fast path and execute the
55 // code directly without simcall mashalling/unmarshalling/dispatch:
56 if (SIMIX_is_maestro())
57 return std::forward<F>(code)();
59 // If we are in the application, pass the code to the maestro which
60 // executes it for us and reports the result. We use a std::future which
61 // conveniently handles the success/failure value for us.
62 typedef typename std::result_of<F()>::type R;
63 simgrid::xbt::Result<R> result;
64 simcall_run_kernel([&result, &code] { simgrid::xbt::fulfill_promise(result, std::forward<F>(code)); });
68 XBT_PUBLIC const std::vector<smx_actor_t>& process_get_runnable();
70 // What's executed as SIMIX actor code:
71 typedef std::function<void()> ActorCode;
73 // Create an ActorCode based on a std::string
74 typedef std::function<ActorCode(std::vector<std::string> args)> ActorCodeFactory;
76 XBT_PUBLIC void register_function(std::string name, ActorCodeFactory factory);
80 XBT_PUBLIC smx_actor_t simcall_process_create(std::string name, simgrid::simix::ActorCode code, void* data,
81 sg_host_t host, std::unordered_map<std::string, std::string>* properties);
83 XBT_PUBLIC smx_timer_t SIMIX_timer_set(double date, simgrid::xbt::Task<void()> callback);
85 template<class F> inline
86 smx_timer_t SIMIX_timer_set(double date, F callback)
88 return SIMIX_timer_set(date, simgrid::xbt::Task<void()>(std::move(callback)));
91 template<class R, class T> inline
92 smx_timer_t SIMIX_timer_set(double date, R(*callback)(T*), T* arg)
94 return SIMIX_timer_set(date, [callback, arg]() { callback(arg); });