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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#ifndef vtkThreads_h
#define vtkThreads_h
/* Threading system. */
#cmakedefine VTK_USE_PTHREADS
#cmakedefine VTK_USE_WIN32_THREADS
#define VTK_MAX_THREADS @VTK_MAX_THREADS@
// If VTK_USE_PTHREADS is defined, then the multithreaded
// function is of type void *, and returns nullptr
// Otherwise the type is void which is correct for WIN32
#ifdef VTK_USE_PTHREADS
#define VTK_THREAD_RETURN_VALUE nullptr
#define VTK_THREAD_RETURN_TYPE void*
#endif
#ifdef VTK_USE_WIN32_THREADS
#define VTK_THREAD_RETURN_VALUE 0
#define VTK_THREAD_RETURN_TYPE vtkWindowsDWORD __stdcall
#endif
#if !defined(VTK_USE_PTHREADS) && !defined(VTK_USE_WIN32_THREADS)
#define VTK_THREAD_RETURN_VALUE
#define VTK_THREAD_RETURN_TYPE void
#endif
#endif
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