vcl/unx/generic/app/geninst.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <sal/config.h>
  21
  22 #if defined(LINUX)
  23 #  include <stdio.h>
  24 #endif
  25 #if defined(__FreeBSD__)
  26 #  include <sys/utsname.h>
  27 #endif
  28
  29 #include <config_features.h>
  30 #if HAVE_FEATURE_OPENGL
  31 #include <vcl/opengl/OpenGLContext.hxx>
  32 #endif
  33 #include <unx/geninst.h>
  34 #include <o3tl/string_view.hxx>
  35
  36 // SalYieldMutex
  37
  38 SalYieldMutex::SalYieldMutex()
  39 {
  40 #if HAVE_FEATURE_OPENGL
  41     SetBeforeReleaseHandler( &OpenGLContext::prepareForYield );
  42 #endif
  43 }
  44
  45 SalYieldMutex::~SalYieldMutex()
  46 {
  47 }
  48
  49 SalGenericInstance::~SalGenericInstance()
  50 {
  51 }
  52
  53 OUString SalGenericInstance::getOSVersion()
  54 {
  55     OUString aKernelVer = "unknown";
  56 #if defined(LINUX)
  57     FILE* pVersion = fopen( "/proc/version", "r" );
  58     if ( pVersion )
  59     {
  60         char aVerBuffer[512];
  61         if ( fgets ( aVerBuffer, 511, pVersion ) )
  62         {
  63             aKernelVer = OUString::createFromAscii( aVerBuffer );
  64             // "Linux version 3.16.7-29-desktop ..."
  65             std::u16string_view aVers = o3tl::getToken(aKernelVer, 2, ' ' );
  66             // "3.16.7-29-desktop ..."
  67             size_t nTooDetailed = aVers.find( '.', 2);
  68             if (nTooDetailed < 1 || nTooDetailed > 8)
  69                 aKernelVer = "Linux (misparsed version)";
  70             else // "3.16.7-29-desktop ..."
  71                 aKernelVer = OUString::Concat("Linux ") + aVers.substr(0, nTooDetailed);
  72         }
  73         fclose( pVersion );
  74     }
  75 #elif defined(__FreeBSD__)
  76     struct utsname stName;
  77     if ( uname( &stName ) != 0 )
  78         return aKernelVer;
  79
  80     sal_Int32 nDots = 0;
  81     sal_Int32 nIndex = 0;
  82     aKernelVer = OUString::createFromAscii( stName.release );
  83     while ( nIndex++ < aKernelVer.getLength() )
  84     {
  85         const char c = stName.release[ nIndex ];
  86         if ( c == ' ' || c == '-' || ( c == '.' && nDots++ > 0 ) )
  87             break;
  88     }
  89     aKernelVer = OUString::createFromAscii(stName.sysname) + " " + aKernelVer.copy(0, nIndex);
  90 #elif defined(EMSCRIPTEN)
  91 #define str(s) #s
  92 #define xstr(s) str(s)
  93     aKernelVer = "Emscripten " xstr(__EMSCRIPTEN_major__)
  94                  "." xstr(__EMSCRIPTEN_minor__) "." xstr(__EMSCRIPTEN_tiny__);
  95 #endif
  96     return aKernelVer;
  97 }
  98
  99 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */