Add new entry in Release_Notes.

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

diff --git a/include/simgrid/s4u/Disk.hpp b/include/simgrid/s4u/Disk.hpp
index 671c4e3..eec006c 100644 (file)
--- a/include/simgrid/s4u/Disk.hpp
+++ b/include/simgrid/s4u/Disk.hpp
@@ -1,4 +1,4 @@
-/* Copyright (c) 2019-2022. The SimGrid Team. All rights reserved.          */
+/* Copyright (c) 2019-2023. 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. */
@@ -79,6 +79,13 @@ public:
   Disk* set_state_profile(kernel::profile::Profile* profile);
   Disk* set_read_bandwidth_profile(kernel::profile::Profile* profile);
   Disk* set_write_bandwidth_profile(kernel::profile::Profile* profile);
+  /**
+   * @brief Set the max amount of operations (either read or write) that can take place on this disk at the same time
+   *
+   * Use -1 to set no limit.
+   */
+  Disk* set_concurrency_limit(int limit);
+  int get_concurrency_limit() const;
 
   IoPtr io_init(sg_size_t size, s4u::Io::OpType type) const;
 
@@ -126,17 +133,35 @@ public:
   Disk* seal();
 
   /* The signals */
-  /** @brief Add a callback fired when a new Disk is created */
+  /** @brief \static Add a callback fired when a new Disk is created */
   static void on_creation_cb(const std::function<void(Disk&)>& cb) { on_creation.connect(cb); }
-  /** @brief Add a callback fired when a Disk is destroyed */
+  /** @brief \static Add a callback fired when any Disk is destroyed */
   static void on_destruction_cb(const std::function<void(Disk const&)>& cb) { on_destruction.connect(cb); }
-  /** @brief Add a callback fired when a Disk's state changes */
-  static void on_state_change_cb(const std::function<void(Disk const&)>& cb) { on_state_change.connect(cb); }
+  /** @brief Add a callback fired when this specific Disk is destroyed */
+  void on_this_destruction_cb(const std::function<void(Disk const&)>& cb) { on_this_destruction.connect(cb); }
+  /** @brief \static Add a callback fired when any Disk is turned on or off */
+  static void on_onoff_cb(const std::function<void(Disk const&)>& cb)
+  {
+    on_onoff.connect(cb);
+  }
+  /** @brief Add a callback fired when this specific Disk is turned on or off */
+  void on_this_onoff_cb(const std::function<void(Disk const&)>& cb)
+  {
+    on_this_onoff.connect(cb);
+  }
+
+  XBT_ATTRIB_DEPRECATED_v338("Please use on_onoff_cb() instead") static void on_state_change_cb(
+      const std::function<void(Disk const&)>& cb)
+  {
+    on_onoff.connect(cb);
+  }
 
 private:
   static xbt::signal<void(Disk&)> on_creation;
   static xbt::signal<void(Disk const&)> on_destruction;
-  static xbt::signal<void(Disk const&)> on_state_change;
+  xbt::signal<void(Disk const&)> on_this_destruction;
+  static xbt::signal<void(Disk const&)> on_onoff;
+  xbt::signal<void(Disk const&)> on_this_onoff;
 };
 
 } // namespace s4u