--- a/OrthancFramework/Resources/CMake/OrthancFrameworkConfiguration.cmake	Tue Oct 20 15:40:30 2026 +0200
+++ b/OrthancFramework/Resources/CMake/OrthancFrameworkConfiguration.cmake	Wed Oct 21 14:50:48 2026 +0200
@@ -652,6 +652,7 @@
     ${CMAKE_CURRENT_LIST_DIR}/../../Sources/MultiThreading/BlockingSharedMessageQueue.cpp
     ${CMAKE_CURRENT_LIST_DIR}/../../Sources/MultiThreading/Internals/FutureState.cpp
     ${CMAKE_CURRENT_LIST_DIR}/../../Sources/MultiThreading/Internals/ThreadPoolFuture.cpp
+    ${CMAKE_CURRENT_LIST_DIR}/../../Sources/MultiThreading/PeriodicRunnableThread.cpp
     ${CMAKE_CURRENT_LIST_DIR}/../../Sources/MultiThreading/RunnableWorkersPool.cpp
     ${CMAKE_CURRENT_LIST_DIR}/../../Sources/MultiThreading/Semaphore.cpp
     ${CMAKE_CURRENT_LIST_DIR}/../../Sources/MultiThreading/SharedMessageQueue.cpp

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/OrthancFramework/Sources/MultiThreading/PeriodicRunnableThread.cpp	Wed Oct 21 14:50:48 2026 +0200
@@ -0,0 +1,105 @@
+/**
+ * Stone of Orthanc
+ * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
+ * Department, University Hospital of Liege, Belgium
+ * Copyright (C) 2017-2023 Osimis S.A., Belgium
+ * Copyright (C) 2021-2026 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
+ *
+ * This program is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation, either version 3 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this program. If not, see
+ * <http://www.gnu.org/licenses/>.
+ **/
+
+
+#include "PeriodicRunnableThread.h"
+
+#include "../OrthancException.h"
+
+
+namespace Orthanc
+{
+  void PeriodicRunnableThread::Worker(PeriodicRunnableThread* that)
+  {
+    for (;;)
+    {
+      {
+        boost::mutex::scoped_lock lock(that->mutex_);
+        if (that->state_ != State_Running)
+        {
+          return;
+        }
+      }
+
+      that->runnable_->Run();
+
+      if (that->timeResolution_ != 0)
+      {
+        boost::this_thread::sleep(boost::posix_time::milliseconds(that->timeResolution_));
+      }
+    }
+  }
+
+
+  void PeriodicRunnableThread::StopInternal(bool throws)
+  {
+    {
+      boost::mutex::scoped_lock lock(mutex_);
+
+      if (state_ != State_Running)
+      {
+        if (throws)
+        {
+          throw OrthancException(ErrorCode_BadSequenceOfCalls);
+        }
+      }
+      else
+      {
+        state_ = State_Done;
+      }
+    }
+
+    if (thread_.joinable())
+    {
+      thread_.join();
+    }
+  }
+
+
+  PeriodicRunnableThread::PeriodicRunnableThread(IRunnable* runnable,
+                                                 unsigned int timeResolution) :
+    runnable_(runnable),
+    timeResolution_(timeResolution),
+    state_(State_Initialization)
+  {
+    if (runnable == NULL)
+    {
+      throw OrthancException(ErrorCode_NullPointer);
+    }
+  }
+
+
+  void PeriodicRunnableThread::Start()
+  {
+    boost::mutex::scoped_lock lock(mutex_);
+
+    if (state_ != State_Initialization)
+    {
+      throw OrthancException(ErrorCode_BadSequenceOfCalls);
+    }
+    else
+    {
+      state_ = State_Running;
+      thread_ = boost::thread(Worker, this);
+    }
+  }
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/OrthancFramework/Sources/MultiThreading/PeriodicRunnableThread.h	Wed Oct 21 14:50:48 2026 +0200
@@ -0,0 +1,75 @@
+/**
+ * Stone of Orthanc
+ * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
+ * Department, University Hospital of Liege, Belgium
+ * Copyright (C) 2017-2023 Osimis S.A., Belgium
+ * Copyright (C) 2021-2026 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
+ *
+ * This program is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation, either version 3 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this program. If not, see
+ * <http://www.gnu.org/licenses/>.
+ **/
+
+
+#pragma once
+
+#include "IRunnable.h"
+
+#include <boost/thread.hpp>
+
+
+namespace Orthanc
+{
+  // This is a thread that periodically executes a runnable
+  class ORTHANC_PUBLIC PeriodicRunnableThread : public boost::noncopyable
+  {
+  private:
+    enum State
+    {
+      State_Initialization,
+      State_Running,
+      State_Done
+    };
+
+    static void Worker(PeriodicRunnableThread* that);
+
+    void StopInternal(bool throws);
+
+    boost::mutex                mutex_;
+    std::unique_ptr<IRunnable>  runnable_;
+    unsigned int                timeResolution_;
+    volatile State              state_;
+    boost::thread               thread_;
+
+  public:
+    PeriodicRunnableThread(IRunnable* runnable /* takes ownership */,
+                           unsigned int timeResolution);
+
+    ~PeriodicRunnableThread()
+    {
+      StopInternal(false /* no exception in destructors */);
+    }
+
+    void Start();
+
+    void Stop()
+    {
+      StopInternal(true);
+    }
+
+    IRunnable& GetRunnable() const
+    {
+      return *runnable_;
+    }
+  };
+}