docs: start writing the S4U part

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

diff --git a/include/simgrid/s4u/Exec.hpp b/include/simgrid/s4u/Exec.hpp
index d4411ef..c50118d 100644 (file)
--- a/include/simgrid/s4u/Exec.hpp
+++ b/include/simgrid/s4u/Exec.hpp
@@ -14,6 +14,11 @@
 namespace simgrid {
 namespace s4u {
 
+/** Computation #Activity, representing the asynchronous disk access.
+ *
+ * They are generated from simgrid::s4u::this_actor::exec_init() or simgrid::s4u::Host::execute().
+ */
+
 class XBT_PUBLIC Exec : public Activity {
   Exec() : Activity() {}
 public:
@@ -23,9 +28,13 @@ public:
 
   ~Exec() = default;
 
+  static simgrid::xbt::signal<void(simgrid::s4u::ActorPtr)> on_start;
+  static simgrid::xbt::signal<void(simgrid::s4u::ActorPtr)> on_completion;
+
   Activity* start() override;
   Activity* wait() override;
   Activity* wait(double timeout) override;
+  Activity* cancel() override;
   bool test();
 
   ExecPtr set_priority(double priority);
@@ -57,11 +66,12 @@ public:
   }
 
 private:
-  Host* host_          = nullptr;
-  double flops_amount_ = 0.0;
-  double priority_     = 1.0;
-  double bound_        = 0.0;
-  std::string name_    = "";
+  Host* host_                   = nullptr;
+  double flops_amount_          = 0.0;
+  double priority_              = 1.0;
+  double bound_                 = 0.0;
+  std::string name_             = "";
+  std::string tracing_category_ = "";
   std::atomic_int_fast32_t refcount_{0};
 }; // class
 }