From: Marc Fehling <marc.fehling@gmx.net>
Date: Thu, 28 Feb 2019 12:24:55 +0000 (+0100)
Subject: Complete signals for distributed_save|load.
X-Git-Tag: v9.1.0-rc1~315^2~1
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f9b59e0792b7fa73c93341712e3033156c57b458;p=dealii.git

Complete signals for distributed_save|load.
---

diff --git a/include/deal.II/grid/tria.h b/include/deal.II/grid/tria.h
index 45e90441ff..b47941a4ea 100644
--- a/include/deal.II/grid/tria.h
+++ b/include/deal.II/grid/tria.h
@@ -2335,6 +2335,21 @@ public:
      */
     boost::signals2::signal<void()> pre_distributed_save;
 
+    /**
+     * This signal is triggered at the end of execution of the
+     * parallel::distributed::Triangulation::save()
+     * function when the triangulation has reached its final state.
+     */
+    boost::signals2::signal<void()> post_distributed_save;
+
+    /**
+     * This signal is triggered at the beginning of execution of the
+     * parallel::distributed::Triangulation::load()
+     * function. At the time this signal is triggered, the triangulation
+     * is still unchanged.
+     */
+    boost::signals2::signal<void()> pre_distributed_load;
+
     /**
      * This signal is triggered at the end of execution of the
      * parallel::distributed::Triangulation::load()
diff --git a/source/distributed/tria.cc b/source/distributed/tria.cc
index 5fe3afb1c8..9da8894cd1 100644
--- a/source/distributed/tria.cc
+++ b/source/distributed/tria.cc
@@ -2753,6 +2753,9 @@ namespace parallel
         tria->cell_attached_data.pack_callbacks_fixed.clear();
         tria->cell_attached_data.pack_callbacks_variable.clear();
       }
+
+      // signal that serialization has finished
+      this->signals.post_distributed_save();
     }
 
 
@@ -2771,6 +2774,8 @@ namespace parallel
         ExcMessage(
           "Triangulation may only contain coarse cells when calling load()."));
 
+      // signal that de-serialization is going to happen
+      this->signals.pre_distributed_load();
 
       if (parallel_ghost != nullptr)
         {