--- a/Orthanc/Core/DicomFormat/DicomMap.cpp	Thu Jun 09 17:04:58 2016 +0200
+++ b/Orthanc/Core/DicomFormat/DicomMap.cpp	Mon Jun 13 10:27:52 2016 +0200
@@ -535,10 +535,10 @@
         return true;
       
       case ValueRepresentation_OtherDouble:
-        return value.size() <= static_cast<size_t>((1llu << 32) - 8);
+        return value.size() <= (static_cast<uint64_t>(1) << 32) - 8;
 
       case ValueRepresentation_OtherFloat:
-        return value.size() <= static_cast<size_t>((1llu << 32) - 4);
+        return value.size() <= (static_cast<uint64_t>(1) << 32) - 4;
 
       case ValueRepresentation_OtherLong:
         return true;
@@ -568,7 +568,7 @@
         return value.size() <= 28;
 
       case ValueRepresentation_UnlimitedCharacters:
-        return value.size() <= static_cast<size_t>((1llu << 32) - 2);
+        return value.size() <= (static_cast<uint64_t>(1) << 32) - 2;
 
       case ValueRepresentation_UniqueIdentifier:
         return value.size() <= 64;
@@ -580,13 +580,13 @@
         return true;
 
       case ValueRepresentation_UniversalResource:
-        return value.size() <= static_cast<size_t>((1llu << 32) - 2);
+        return value.size() <= (static_cast<uint64_t>(1) << 32) - 2;
 
       case ValueRepresentation_UnsignedShort:
         return value.size() == 2;
 
       case ValueRepresentation_UnlimitedText:
-        return value.size() <= static_cast<size_t>((1llu << 32) - 2);
+        return value.size() <= (static_cast<uint64_t>(1) << 32) - 2;
 
       default:
         // Assume unsupported tags are OK

--- a/Orthanc/Core/DicomFormat/DicomMap.h	Thu Jun 09 17:04:58 2016 +0200
+++ b/Orthanc/Core/DicomFormat/DicomMap.h	Mon Jun 13 10:27:52 2016 +0200
@@ -171,8 +171,6 @@
 
     static void GetMainDicomTags(std::set<DicomTag>& result);
 
-    void Print(FILE* fp) const;
-
     void GetTags(std::set<DicomTag>& tags) const;
 
     static void LoadMainDicomTags(const DicomTag*& tags,

--- a/Orthanc/Core/Toolbox.cpp	Thu Jun 09 17:04:58 2016 +0200
+++ b/Orthanc/Core/Toolbox.cpp	Mon Jun 13 10:27:52 2016 +0200
@@ -111,19 +111,25 @@
 
 namespace Orthanc
 {
-  static bool finish;
+  static bool finish_;
+  static ServerBarrierEvent barrierEvent_;
 
 #if defined(_WIN32)
   static BOOL WINAPI ConsoleControlHandler(DWORD dwCtrlType)
   {
     // http://msdn.microsoft.com/en-us/library/ms683242(v=vs.85).aspx
-    finish = true;
+    finish_ = true;
     return true;
   }
 #else
-  static void SignalHandler(int)
+  static void SignalHandler(int signal)
   {
-    finish = true;
+    if (signal == SIGHUP)
+    {
+      barrierEvent_ = ServerBarrierEvent_Reload;
+    }
+
+    finish_ = true;
   }
 #endif
 
@@ -140,7 +146,7 @@
   }
 
 
-  static void ServerBarrierInternal(const bool* stopFlag)
+  static ServerBarrierEvent ServerBarrierInternal(const bool* stopFlag)
   {
 #if defined(_WIN32)
     SetConsoleCtrlHandler(ConsoleControlHandler, true);
@@ -148,11 +154,13 @@
     signal(SIGINT, SignalHandler);
     signal(SIGQUIT, SignalHandler);
     signal(SIGTERM, SignalHandler);
+    signal(SIGHUP, SignalHandler);
 #endif
   
     // Active loop that awakens every 100ms
-    finish = false;
-    while (!(*stopFlag || finish))
+    finish_ = false;
+    barrierEvent_ = ServerBarrierEvent_Stop;
+    while (!(*stopFlag || finish_))
     {
       Toolbox::USleep(100 * 1000);
     }
@@ -163,19 +171,22 @@
     signal(SIGINT, NULL);
     signal(SIGQUIT, NULL);
     signal(SIGTERM, NULL);
+    signal(SIGHUP, NULL);
 #endif
+
+    return barrierEvent_;
   }
 
 
-  void Toolbox::ServerBarrier(const bool& stopFlag)
+  ServerBarrierEvent Toolbox::ServerBarrier(const bool& stopFlag)
   {
-    ServerBarrierInternal(&stopFlag);
+    return ServerBarrierInternal(&stopFlag);
   }
 
-  void Toolbox::ServerBarrier()
+  ServerBarrierEvent Toolbox::ServerBarrier()
   {
     const bool stopFlag = false;
-    ServerBarrierInternal(&stopFlag);
+    return ServerBarrierInternal(&stopFlag);
   }
 
 

--- a/Orthanc/Core/Toolbox.h	Thu Jun 09 17:04:58 2016 +0200
+++ b/Orthanc/Core/Toolbox.h	Mon Jun 13 10:27:52 2016 +0200
@@ -47,11 +47,17 @@
   {
   };
 
+  enum ServerBarrierEvent
+  {
+    ServerBarrierEvent_Stop,
+    ServerBarrierEvent_Reload  // SIGHUP signal: reload configuration file
+  };
+
   namespace Toolbox
   {
-    void ServerBarrier(const bool& stopFlag);
+    ServerBarrierEvent ServerBarrier(const bool& stopFlag);
 
-    void ServerBarrier();
+    ServerBarrierEvent ServerBarrier();
 
     void ToUpperCase(std::string& s);  // Inplace version