--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Utils/Exception.h	Thu Nov 27 18:40:28 2025 +0100
@@ -0,0 +1,82 @@
+//////////////////////////////////////////////////////////////////////////////
+/// \file   Exception.h
+/// \brief  Generic Exception.
+/// \author JD Gascuel.
+/// \copyright (c) 2011-2016 JD Gascuel. All rights reserved.
+/// $Id$
+//////////////////////////////////////////////////////////////////////////////
+//
+// BSD 2-Clause License:
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions
+// are met:
+//
+// 1. Redistributions of source code must retain the above copyright notice,
+//    this list of conditions and the following disclaimer.
+//
+// 2. Redistributions in binary form must reproduce the above copyright notice,
+//    this list of conditions and the following disclaimer in the documentation
+//    and/or other materials provided with the distribution.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+// THE POSSIBILITY OF SUCH DAMAGE.
+//
+//////////////////////////////////////////////////////////////////////////////
+// HISTORY
+//  2013-12-21  jDG: Creation.
+//  2016-05-24  jDG: BSD-2 version.
+
+#ifndef EXCEPTION_H
+#define EXCEPTION_H
+
+#include <QString>
+#include <exception>
+
+//////////////////////////////////////////////////////////////////////////////
+#define BUILD_OSTC_COMPANION 1
+
+#if defined(BUILD_OSTC_COMPANION)
+#  define EXPORT __declspec(dllexport)
+#else
+#  define EXPORT __declspec(dllimport)
+#endif
+
+class EXPORT Exception
+  : public std::exception
+{
+    const char* const _msg;
+public:
+    explicit Exception(const char* msg);
+    explicit Exception(const QString& msg);
+
+    // Final cleanup.
+    ~Exception() throw() override;
+
+    /// Message contains, in UTF8 format.
+    const char* what() const throw() override;
+};
+
+//////////////////////////////////////////////////////////////////////////////
+
+#define DEFINE_EXCEPTION(name, parent) \
+struct EXPORT name                                              \
+  : public parent                                               \
+{   explicit inline name(const char* msg)   : parent(msg) {}    \
+    explicit inline name(const QString& msg): parent(msg) {}    \
+}
+
+DEFINE_EXCEPTION(Timeout, Exception);
+    DEFINE_EXCEPTION(ReadTimeout,  Timeout);
+    DEFINE_EXCEPTION(WriteTimeout, Timeout);
+
+#endif // EXCEPTION_H