Correct a few a/an.

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

diff --git a/include/simgrid/s4u/Io.hpp b/include/simgrid/s4u/Io.hpp
index d486b342f12a146a210ee6b238a9e6a8516d205c..e979fb52e59c5c17992d90c7aee2da34da7b4830 100644 (file)
--- a/include/simgrid/s4u/Io.hpp
+++ b/include/simgrid/s4u/Io.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. */
@@ -9,7 +9,6 @@
 #include <simgrid/forward.h>
 #include <simgrid/s4u/Activity.hpp>
 
-#include <atomic>
 #include <string>
 
 namespace simgrid {
@@ -17,39 +16,37 @@ namespace s4u {
 
 /** I/O Activity, representing the asynchronous disk access.
  *
- * They are generated from Storage::io_init() or Storage::read() and Storage::write().
+ * They are generated from Disk::io_init(), Disk::read() Disk::read_async(), Disk::write() and Disk::write_async().
  */
 
-class XBT_PUBLIC Io : public Activity {
+class XBT_PUBLIC Io : public Activity_T<Io> {
 public:
   enum class OpType { READ, WRITE };
 
 private:
   Storage* storage_ = nullptr;
+  Disk* disk_       = nullptr;
   sg_size_t size_   = 0;
   OpType type_      = OpType::READ;
-  std::string name_ = "";
-  std::atomic_int_fast32_t refcount_{0};
 
   explicit Io(sg_storage_t storage, sg_size_t size, OpType type);
+  explicit Io(sg_disk_t disk, sg_size_t size, OpType type);
 
 public:
 #ifndef DOXYGEN
-  friend XBT_PUBLIC void intrusive_ptr_release(simgrid::s4u::Io* i);
-  friend XBT_PUBLIC void intrusive_ptr_add_ref(simgrid::s4u::Io* i);
+  friend Disk;    // Factory of IOs
   friend Storage; // Factory of IOs
 #endif
 
-  ~Io() = default;
+  ~Io() override = default;
 
   Io* start() override;
   Io* wait() override;
   Io* wait_for(double timeout) override;
   Io* cancel() override;
-  bool test() override;
 
-  double get_remaining() override;
-  sg_size_t get_performed_ioops();
+  double get_remaining() const override;
+  sg_size_t get_performed_ioops() const;
 };
 
 } // namespace s4u