+ std::string name_ = "";
+ double priority_ = 1.0;
+ double bound_ = 0.0;
+ double timeout_ = 0.0;
+ std::string tracing_category_ = "";
+ std::atomic_int_fast32_t refcount_{0};
+ Host* host_ = nullptr;
+
+protected:
+ Exec();
+ virtual ~Exec() = default;
+
+public:
+#ifndef DOXYGEN
+ Exec(Exec const&) = delete;
+ Exec& operator=(Exec const&) = delete;
+
+ friend ExecSeq;
+ friend ExecPar;
+ friend XBT_PUBLIC void intrusive_ptr_release(Exec* e);
+ friend XBT_PUBLIC void intrusive_ptr_add_ref(Exec* e);
+#endif
+ static xbt::signal<void(Actor const&)> on_start;
+ static xbt::signal<void(Actor const&)> on_completion;
+
+ virtual Exec* start() override = 0;
+ virtual double get_remaining_ratio() = 0;
+ virtual ExecPtr set_host(Host* host) = 0;
+
+ Exec* wait() override;
+ Exec* wait_for(double timeout) override;
+ /*! take a vector of s4u::ExecPtr and return when one of them is finished.
+ * The return value is the rank of the first finished ExecPtr. */
+ static int wait_any(std::vector<ExecPtr>* execs) { return wait_any_for(execs, -1); }
+ /*! Same as wait_any, but with a timeout. If the timeout occurs, parameter last is returned.*/
+ static int wait_any_for(std::vector<ExecPtr>* execs, double timeout);
+
+ bool test() override;
+
+ ExecPtr set_bound(double bound);
+ ExecPtr set_name(const std::string& name);
+ ExecPtr set_priority(double priority);
+ ExecPtr set_tracing_category(const std::string& category);
+ ExecPtr set_timeout(double timeout);
+ Exec* cancel() override;
+ const std::string& get_name() const { return name_; }
+ const char* get_cname() const { return name_.c_str(); }
+
+ XBT_ATTRIB_DEPRECATED_v324("Please use Exec::wait_for()") void wait(double t) override { wait_for(t); }
+};
+
+class XBT_PUBLIC ExecSeq : public Exec {
+ double flops_amount_ = 0.0;
+
+ explicit ExecSeq(sg_host_t host, double flops_amount);
+