1  ///////////////////////////////////////////////////////////////////////////////
       2  //
       3  /// \file       hardware_cputhreads.c
       4  /// \brief      Get the number of CPU threads or cores
       5  //
       6  //  Author:     Lasse Collin
       7  //
       8  //  This file has been put into the public domain.
       9  //  You can do whatever you want with this file.
      10  //
      11  ///////////////////////////////////////////////////////////////////////////////
      12  
      13  #include "common.h"
      14  
      15  #include "tuklib_cpucores.h"
      16  
      17  
      18  #ifdef HAVE_SYMBOL_VERSIONS_LINUX
      19  // This is for compatibility with binaries linked against liblzma that
      20  // has been patched with xz-5.2.2-compat-libs.patch from RHEL/CentOS 7.
      21  LZMA_SYMVER_API("lzma_cputhreads@XZ_5.2.2",
      22  	uint32_t, lzma_cputhreads_522)(void) lzma_nothrow
      23  		__attribute__((__alias__("lzma_cputhreads_52")));
      24  
      25  LZMA_SYMVER_API("lzma_cputhreads@@XZ_5.2",
      26  	uint32_t, lzma_cputhreads_52)(void) lzma_nothrow;
      27  
      28  #define lzma_cputhreads lzma_cputhreads_52
      29  #endif
      30  extern LZMA_API(uint32_t)
      31  lzma_cputhreads(void)
      32  {
      33  	return tuklib_cpucores();
      34  }