From 6cca37dee64f5289c816142baa37ead1ceca0e93 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Steffen=20Kie=C3=9F?=
 <steffen.kiess@cis.iti.uni-stuttgart.de>
Date: Thu, 31 Oct 2024 15:33:54 +0100
Subject: [PATCH] Add support for custom exception types with
 CL_HPP_CUSTOM_EXCEPTION_TYPE

---
 include/CL/opencl.hpp | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/include/CL/opencl.hpp b/include/CL/opencl.hpp
index 53f479de..536108bf 100644
--- a/include/CL/opencl.hpp
+++ b/include/CL/opencl.hpp
@@ -173,6 +173,11 @@
  *   Enable exceptions for use in the C++ bindings header. This is the
  *   preferred error handling mechanism but is not required.
  *
+ * - CL_HPP_CUSTOM_EXCEPTION_TYPE
+ *
+ *   Specify the type which should be used for exceptions. This type
+ *   must have a constructor accepting an int and a const char*.
+ *
  * - CL_HPP_ENABLE_SIZE_T_COMPATIBILITY
  *
  *   Backward compatibility option to support cl.hpp-style size_t
@@ -748,6 +753,7 @@ namespace cl {
 #endif // cl_khr_command_buffer
 
 #if defined(CL_HPP_ENABLE_EXCEPTIONS)
+#if !defined(CL_HPP_CUSTOM_EXCEPTION_TYPE)
     /*! \brief Exception class 
      * 
      *  This may be thrown by API functions when CL_HPP_ENABLE_EXCEPTIONS is defined.
@@ -790,6 +796,9 @@ namespace cl {
          */
         cl_int err(void) const { return err_; }
     };
+#else
+  using Error = CL_HPP_CUSTOM_EXCEPTION_TYPE;
+#endif
 #define CL_HPP_ERR_STR_(x) #x
 #else
 #define CL_HPP_ERR_STR_(x) nullptr