X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/1796a214b5538ff1bd501ff3b8e4850902bc2c5d..d662c9d9b90723961229e619d980e28d2d66ef6d:/src/kernel/activity/ActivityImpl.cpp

diff --git a/src/kernel/activity/ActivityImpl.cpp b/src/kernel/activity/ActivityImpl.cpp
index 43ed70fb2d..a2cdff3885 100644
--- a/src/kernel/activity/ActivityImpl.cpp
+++ b/src/kernel/activity/ActivityImpl.cpp
@@ -1,28 +1,55 @@
-/* Copyright (c) 2007-2017. The SimGrid Team. All rights reserved.          */
+/* Copyright (c) 2007-2019. 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. */
 
 #include "src/kernel/activity/ActivityImpl.hpp"
 
+XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(simix_process);
+
 namespace simgrid {
 namespace kernel {
 namespace activity {
 
-ActivityImpl::ActivityImpl()  = default;
-ActivityImpl::~ActivityImpl() = default;
+void ActivityImpl::suspend()
+{
+  if (surf_action_ == nullptr)
+    return;
+  XBT_VERB("This activity is suspended (remain: %f)", surf_action_->get_remains());
+  surf_action_->suspend();
+  on_suspended(this);
+}
+
+void ActivityImpl::resume()
+{
+  if (surf_action_ == nullptr)
+    return;
+  XBT_VERB("This activity is resumed (remain: %f)", surf_action_->get_remains());
+  surf_action_->resume();
+  on_resumed(this);
+}
+
+void ActivityImpl::set_category(std::string category)
+{
+  if (surf_action_)
+    surf_action_->set_category(category);
+}
 
 // boost::intrusive_ptr<Activity> support:
 void intrusive_ptr_add_ref(simgrid::kernel::activity::ActivityImpl* activity)
 {
-  activity->refcount_++;
+  activity->refcount_.fetch_add(1, std::memory_order_relaxed);
 }
 
 void intrusive_ptr_release(simgrid::kernel::activity::ActivityImpl* activity)
 {
-  if (activity->refcount_-- == 0)
+  if (activity->refcount_.fetch_sub(1, std::memory_order_release) == 1) {
+    std::atomic_thread_fence(std::memory_order_acquire);
     delete activity;
+  }
 }
+xbt::signal<void(ActivityImplPtr)> ActivityImpl::on_resumed;
+xbt::signal<void(ActivityImplPtr)> ActivityImpl::on_suspended;
 }
 }
 } // namespace simgrid::kernel::activity::