--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mupdf-source/thirdparty/lcms2/plugins/threaded/src/threaded_internal.h	Mon Sep 15 11:43:07 2025 +0200
@@ -0,0 +1,79 @@
+//---------------------------------------------------------------------------------
+//
+//  Little Color Management System, multithreaded extensions
+//  Copyright (c) 1998-2023 Marti Maria Saguer, all rights reserved
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU 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 General Public License for more details.
+// 
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+//---------------------------------------------------------------------------------
+
+#ifndef _THREADED_INTERNAL_H
+#define _THREADED_INTERNAL_H
+
+#include "lcms2_threaded.h"
+
+// This plugin requires lcms 2.14 or greater
+#define REQUIRED_LCMS_VERSION 2140
+
+// Unused parameter warning suppression
+#define UNUSED_PARAMETER(x) ((void)x) 
+
+// For testbed
+#define CMSCHECKPOINT CMSAPI
+
+// The specification for "inline" is section 6.7.4 of the C99 standard (ISO/IEC 9899:1999).
+// unfortunately VisualC++ does not conform that
+#if defined(_MSC_VER) || defined(__BORLANDC__)
+#   define cmsINLINE __inline
+#else
+#   define cmsINLINE static inline
+#endif
+
+// Holds all parameters for a threadable transform fragment
+typedef struct {
+
+	struct _cmstransform_struct* CMMcargo;
+
+	const void* InputBuffer;
+	void* OutputBuffer;
+
+	cmsUInt32Number  PixelsPerLine;
+	cmsUInt32Number  LineCount;
+	const cmsStride* Stride;
+
+} _cmsWorkSlice;
+
+// Count the number of threads needed for this job
+cmsUInt32Number _cmsThrCountSlices(struct _cmstransform_struct* CMMcargo, cmsInt32Number MaxWorkers, 
+								   cmsUInt32Number PixelsPerLine, cmsUInt32Number LineCount, 
+								   cmsStride* Stride);
+
+// Split work following several expert rules
+cmsBool		    _cmsThrSplitWork(const _cmsWorkSlice* master, cmsInt32Number nslices, _cmsWorkSlice slices[]);
+
+// Thread primitives
+cmsHANDLE       _cmsThrCreateWorker(cmsContext ContextID, _cmsTransform2Fn worker, _cmsWorkSlice* param);
+void            _cmsThrJoinWorker(cmsContext ContextID, cmsHANDLE hWorker);
+cmsInt32Number  _cmsThrIdealThreadCount(void);
+
+// The scheduler
+void  _cmsThrScheduler(struct _cmstransform_struct* CMMcargo,
+				       const void* InputBuffer,
+				       void* OutputBuffer,
+				       cmsUInt32Number PixelsPerLine,
+				       cmsUInt32Number LineCount,
+				       const cmsStride* Stride);
+#endif
+
+