/* * Copyright 1999-2004 The Apache Software Foundation. *  * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at *  *      http://www.apache.org/licenses/LICENSE-2.0 *  * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. *//* * $Log: LinuxPlatformUtils.cpp,v $ * Revision 1.24  2004/09/08 13:56:40  peiyongz * Apache License Version 2.0 * * Revision 1.23  2004/05/05 17:37:12  amassari * Enable libWWW on Linux * * Revision 1.22  2004/01/13 16:34:21  cargilld * Misc memory management changes. * * Revision 1.21  2004/01/06 17:31:20  neilg * fix static initialization problems, bug 28517; thanks to Reid Spencer * * Revision 1.20  2003/12/24 15:24:14  cargilld * More updates to memory management so that the static memory manager. * * Revision 1.19  2003/12/17 15:16:10  cargilld * Platform update for memory management so that the static memory manager (one * used to call Initialize) is only for static data. * * Revision 1.18  2003/12/17 13:58:03  cargilld * Platform update for memory management so that the static memory manager (one * used to call Initialize) is only for static data. * * Revision 1.17  2003/10/01 16:32:39  neilg * improve handling of out of memory conditions, bug #23415.  Thanks to David Cargill. * * Revision 1.16  2003/05/15 18:37:48  knoaman * Partial implementation of the configurable memory manager. * * Revision 1.15  2003/04/25 17:19:53  peiyongz * throw exception if getcwd() fails * * Revision 1.14  2003/04/24 02:54:46  peiyongz * Logical Path Resolution * * Revision 1.13  2003/04/21 04:28:45  peiyongz * performance tuning * * Revision 1.12  2003/03/09 16:56:11  peiyongz * PanicHandler * * Revision 1.11  2003/02/05 18:27:34  tng * [Bug 13437] Incorrect memory management in LinuxPlatformUtils.cpp.  Fixed by Adam Zell. * * Revision 1.10  2002/12/02 19:16:46  tng * [Bug 14723] Memory leak in atomicOpsMutex.  Patch from Adam Zell. * * Revision 1.9  2002/11/07 22:38:13  peiyongz * build -miconv on hpux and linux * * Revision 1.8  2002/11/04 15:13:00  tng * C++ Namespace Support. * * Revision 1.7  2002/08/19 19:38:17  tng * [Bug 11771] Linux specific IconvGNU transcoder.  Patch from Vasily Tchekalkin. * * Revision 1.6  2002/07/15 21:53:04  peiyongz * CouldNotWriteToFile * * Revision 1.5  2002/06/24 15:55:21  peiyongz * Change from James Berry( jberry@criticalpath.com) * * Revision 1.4  2002/06/20 15:28:08  peiyongz * Fix to compilation error * * Revision 1.2  2002/05/21 20:31:47  tng * Minor update: Remove obsolete code * * Revision 1.1.1.1  2002/02/01 22:22:24  peiyongz * sane_include * * Revision 1.22  2001/10/25 15:36:35  tng * [Bug 4318] Single threaded build fails due to obsolete #define . * * Revision 1.21  2001/10/25 15:20:31  tng * Need to guard with NO_APP_THREADS when destroying the mutex. * * Revision 1.20  2001/10/23 23:10:48  peiyongz * [Bug#880] patch to PlatformUtils:init()/term() and related. from Mark Weaver * * Revision 1.19  2001/05/11 12:03:40  tng * Need to add header <linux/limits> for definition of PATH_MAX * * Revision 1.18  2001/05/10 20:40:44  lehors * built-in buffer limit could be smaller than system limit, * we now use PATH_MAX instead - patch from Christian Schuhegger - bug #1158 * * Revision 1.17  2000/07/25 22:29:55  aruna1 * Char definitions in XMLUni moved to XMLUniDefs * * Revision 1.16  2000/03/24 00:13:03  aruna1 * Platform initialization taken care for both threaded and non-threaded environment * * Revision 1.15  2000/03/20 23:48:52  rahulj * Added Socket based NetAccessor. This will enable one to * use HTTP URL's for system id's. Default build options do * not use this NetAccessor. Specify the '-n socket' option * to 'runConfigure' to configure Xerces-C to use this new * feature. The code works under Solaris 2.6, Linux, AIX * and HPUX 11 with aCC. * Todo's: enable proper error handling. * * Revision 1.14  2000/03/18 00:00:00  roddey * Initial updates for two way transcoding support * * Revision 1.13  2000/03/02 21:10:36  abagchi * Added empty function platformTerm() * * Revision 1.12  2000/03/02 20:42:41  abagchi * Fixed typo in XMLExcepts * * Revision 1.11  2000/03/02 19:55:24  roddey * This checkin includes many changes done while waiting for the * 1.1.0 code to be finished. I can't list them all here, but a list is * available elsewhere. * * Revision 1.10  2000/02/22 00:58:15  aruna1 * openFile API updated * * Revision 1.9  2000/02/06 07:48:28  rahulj * Year 2K copyright swat. * * Revision 1.8  2000/01/25 22:32:56  aruna1 * Updated panic information * * Revision 1.7  2000/01/19 23:21:37  abagchi * Made this file compatible with ICU 1.4 * * Revision 1.6  2000/01/19 17:37:48  abagchi * Removed the streaming classes * * Revision 1.5  2000/01/14 02:04:43  abagchi * Introduced getFullPath() and weavePath() * * Revision 1.4  1999/12/14 23:53:33  rahulj * Removed the offending Ctrl-M's from the commit message * logs which was giving packaging problems. * * PR: * Obtained from: * Submitted by: * Reviewed by: * * Revision 1.3  1999/11/23 02:00:48  rahulj * Code now works under HPUX 11. Tested inmemory message loader. * Revamped makefiles. Builds with both DCE threads as well as pthread libraries. * * Revision 1.2  1999/11/17 22:35:33  rahulj * Replaced default attr mutexes with recursive mutexes. Also code works with ICU transcoding service * * Revision 1.1.1.1  1999/11/09 01:07:01  twl * Initial checkin * * Revision 1.6  1999/11/08 20:45:30  rahul * Swat for adding in Product name and CVS comment log variable. * */// ---------------------------------------------------------------------------//  Includes// ---------------------------------------------------------------------------#if !defined(APP_NO_THREADS)#include    <pthread.h>#endif#ifndef _GNU_SOURCE    #error _GNU_SOURCE is not defined in your compile settings#endif#include    <unistd.h>#include    <stdio.h>#include    <stdlib.h>#include    <errno.h>#include    <libgen.h>#include    <linux/limits.h>           //for PATH_MAX#include    <sys/timeb.h>#include    <string.h>#include    <xercesc/util/PlatformUtils.hpp>#include    <xercesc/util/RuntimeException.hpp>#include    <xercesc/util/Janitor.hpp>#include    <xercesc/util/Mutexes.hpp>#include    <xercesc/util/XMLString.hpp>#include    <xercesc/util/XMLUniDefs.hpp>#include    <xercesc/util/XMLUni.hpp>#include    <xercesc/util/PanicHandler.hpp>#include    <xercesc/util/OutOfMemoryException.hpp>#if defined(XML_USE_ICU_TRANSCODER)    #include <xercesc/util/Transcoders/ICU/ICUTransService.hpp>#elif defined (XML_USE_GNU_TRANSCODER)    #include <xercesc/util/Transcoders/IconvGNU/IconvGNUTransService.hpp>#else    // Use native transcoder. Same as -DXML_USE_NATIVE_TRANSCODER    #include <xercesc/util/Transcoders/Iconv/IconvTransService.hpp>#endif#if defined(XML_USE_ICU_MESSAGELOADER)    #include <xercesc/util/MsgLoaders/ICU/ICUMsgLoader.hpp>#elif defined (XML_USE_ICONV_MESSAGELOADER)    #include <xercesc/util/MsgLoaders/MsgCatalog/MsgCatalogLoader.hpp>#else    // Same as -DXML_USE_INMEM_MESSAGELOADER    #include <xercesc/util/MsgLoaders/InMemory/InMemMsgLoader.hpp>#endif#if defined (XML_USE_NETACCESSOR_SOCKET)    #include <xercesc/util/NetAccessors/Socket/SocketNetAccessor.hpp>#elif defined (XML_USE_NETACCESSOR_LIBWWW)    #include <xercesc/util/NetAccessors/libWWW/LibWWWNetAccessor.hpp>#endifXERCES_CPP_NAMESPACE_BEGIN// ---------------------------------------------------------------------------//  XMLPlatformUtils: Private Static Methods// ---------------------------------------------------------------------------XMLNetAccessor* XMLPlatformUtils::makeNetAccessor(){#if defined (XML_USE_NETACCESSOR_SOCKET)    return new SocketNetAccessor();#elif defined (XML_USE_NETACCESSOR_LIBWWW)    return new LibWWWNetAccessor();#else    return 0;#endif}////  This method is called by the platform independent part of this class//  when client code asks to have one of the supported message sets loaded.//XMLMsgLoader* XMLPlatformUtils::loadAMsgSet(const XMLCh* const msgDomain){    XMLMsgLoader* retVal;    try    {#if defined (XML_USE_ICU_MESSAGELOADER)        retVal = new ICUMsgLoader(msgDomain);#elif defined (XML_USE_ICONV_MESSAGELOADER)        retVal = new MsgCatalogLoader(msgDomain);#else        // same as -DXML_USE_INMEM_MESSAGELOADER        retVal = new InMemMsgLoader(msgDomain);#endif    }    catch(const OutOfMemoryException&)    {        throw;    }    catch(...)    {        panic(PanicHandler::Panic_CantLoadMsgDomain);    }    return retVal;}////  This method is called very early in the bootstrapping process. This guy//  must create a transcoding service and return it. It cannot use any string//  methods, any transcoding services, throw any exceptions, etc... It just//  makes a transcoding service and returns it, or returns zero on failure.//XMLTransService* XMLPlatformUtils::makeTransService(){#if defined (XML_USE_ICU_TRANSCODER)    // Use ICU transcoding services.    // same as -DXML_USE_ICU_MESSAGELOADER    return new ICUTransService;#elif defined (XML_USE_GNU_TRANSCODER)    return new IconvGNUTransService;#else    // Use native transcoding services.    // same as -DXML_USE_NATIVE_TRANSCODER    return new IconvTransService;#endif}// ---------------------------------------------------------------------------//  XMLPlatformUtils: The panic method// ---------------------------------------------------------------------------void XMLPlatformUtils::panic(const PanicHandler::PanicReasons reason){    fgUserPanicHandler? fgUserPanicHandler->panic(reason) : fgDefaultPanicHandler->panic(reason);	}// ---------------------------------------------------------------------------//  XMLPlatformUtils: File Methods// ---------------------------------------------------------------------------unsigned int XMLPlatformUtils::curFilePos(FileHandle theFile                                          , MemoryManager* const manager){    int curPos = ftell( (FILE*)theFile);    if (curPos == -1)        ThrowXMLwithMemMgr(XMLPlatformUtilsException,                 XMLExcepts::File_CouldNotGetSize, manager);    return (unsigned int)curPos;}void XMLPlatformUtils::closeFile(FileHandle theFile                                 , MemoryManager* const manager){    if (fclose((FILE*)theFile))        ThrowXMLwithMemMgr(XMLPlatformUtilsException,                 XMLExcepts::File_CouldNotCloseFile, manager);}unsigned int XMLPlatformUtils::fileSize(FileHandle theFile                                        , MemoryManager* const manager){    // Get the current position    long  int curPos = ftell((FILE*) theFile);    if (curPos == -1)        ThrowXMLwithMemMgr(XMLPlatformUtilsException,                 XMLExcepts::File_CouldNotGetCurPos, manager);    // Seek to the end and save that value for return     if (fseek((FILE*) theFile, 0, SEEK_END))        ThrowXMLwithMemMgr(XMLPlatformUtilsException,                 XMLExcepts::File_CouldNotSeekToEnd, manager);    long int retVal = ftell((FILE*)theFile);    if (retVal == -1)        ThrowXMLwithMemMgr(XMLPlatformUtilsException,                 XMLExcepts::File_CouldNotSeekToEnd, manager);    // And put the pointer back    if (fseek( (FILE*)theFile, curPos, SEEK_SET) )        ThrowXMLwithMemMgr(XMLPlatformUtilsException,