Update copyright lines with new year.

[simgrid.git] / include / simgrid / s4u / Exec.hpp

diff --git a/include/simgrid/s4u/Exec.hpp b/include/simgrid/s4u/Exec.hpp
index 5aed692..6923409 100644 (file)
--- a/include/simgrid/s4u/Exec.hpp
+++ b/include/simgrid/s4u/Exec.hpp
@@ -1,4 +1,4 @@
-/* Copyright (c) 2017-2019. The SimGrid Team. All rights reserved.          */
+/* Copyright (c) 2017-2020. 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. */
@@ -8,10 +8,9 @@
 
 #include <simgrid/forward.h>
 #include <simgrid/s4u/Activity.hpp>
+#include <simgrid/s4u/Actor.hpp>
 #include <xbt/ex.h>
 
-#include <atomic>
-
 namespace simgrid {
 namespace s4u {
 
@@ -20,48 +19,49 @@ namespace s4u {
  * They are generated from this_actor::exec_init() or Host::execute(), and can be used to model pools of threads or
  * similar mechanisms.
  */
-class XBT_PUBLIC Exec : public Activity {
-  std::string name_             = "";
+class XBT_PUBLIC Exec : public Activity_T<Exec> {
   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:
+  virtual ~Exec() = default;
 #ifndef DOXYGEN
   Exec(Exec const&) = delete;
   Exec& operator=(Exec const&) = delete;
-#endif
 
   friend ExecSeq;
   friend ExecPar;
-  friend XBT_PUBLIC void intrusive_ptr_release(Exec* e);
-  friend XBT_PUBLIC void intrusive_ptr_add_ref(Exec* e);
-  static xbt::signal<void(Actor const&)> on_start;
-  static xbt::signal<void(Actor const&)> on_completion;
+#endif
+  static xbt::signal<void(Actor const&, Exec const&)> on_start;
+  static xbt::signal<void(Actor const&, Exec const&)> on_completion;
 
-  virtual Exec* start() override          = 0;
-  virtual double get_remaining_ratio()    = 0;
-  virtual ExecPtr set_host(Host* host)    = 0;
+  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);
+  XBT_ATTRIB_DEPRECATED_v329("Please use exec_init(...)->wait_for(timeout)") ExecPtr set_timeout(double timeout);
   Exec* cancel() override;
-
-  XBT_ATTRIB_DEPRECATED_v324("Please use Exec::wait_for()") void wait(double t) override { wait_for(t); }
+  Host* get_host() const;
+  unsigned int get_host_number() const;
+  double get_start_time() const;
+  double get_finish_time() const;
+  double get_cost() const;
 };
 
 class XBT_PUBLIC ExecSeq : public Exec {
@@ -77,7 +77,6 @@ public:
   Exec* start() override;
 
   ExecPtr set_host(Host* host) override;
-  Host* get_host();
 
   double get_remaining() override;
   double get_remaining_ratio() override;
@@ -89,7 +88,7 @@ class XBT_PUBLIC ExecPar : public Exec {
   std::vector<double> bytes_amounts_;
   explicit ExecPar(const std::vector<s4u::Host*>& hosts, const std::vector<double>& flops_amounts,
                    const std::vector<double>& bytes_amounts);
-  ExecPtr set_host(Host* host) override { return this; }
+  ExecPtr set_host(Host*) override { /* parallel exec cannot be moved */ THROW_UNIMPLEMENTED; }
 
 public:
   ~ExecPar() = default;