f45ae6a4d8
only create 376, then the program would hang. 376 * 8MB stack per thread = 3008 MB The stack size allocated per thread blew the process address stack. To get more threads you have to specify a smaller per thread stack, but while the Thread::start says it will limit the stack size to the smallest allowable stack size, it won't let it be smaller than the default. I included the limits.h header to use PTHREAD_STACK_MIN as the minimum stack size. As for the deadlock, if the pthread_create failed, the new thread doesn't exist and doesn't call threadStartedBlock.release(), so the existing thread deadlocks on threadStartedBlock.block(). Only block if the thread was started."
143 lines
4.7 KiB
C++
143 lines
4.7 KiB
C++
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
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*
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* This library is open source and may be redistributed and/or modified under
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* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
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* (at your option) any later version. The full license is in LICENSE file
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* included with this distribution, and on the openscenegraph.org website.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* OpenSceneGraph Public License for more details.
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*/
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#ifndef OSGDB_OUTPUT
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#define OSGDB_OUTPUT 1
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#include <osg/Object>
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#include <osgDB/ReaderWriter>
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#include <osgDB/fstream>
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#include <string>
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#include <map>
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namespace osgDB {
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/** ofstream wrapper class for adding support for indenting.
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Used in output of .osg ASCII files to improve their readability.*/
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class OSGDB_EXPORT Output : public osgDB::ofstream
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{
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public:
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Output();
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Output(const char* name);
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virtual ~Output();
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void setOptions(const Options* options);
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const Options* getOptions() const { return _options.get(); }
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void setWriteOutDefaultValues(bool flag) { _writeOutDefaultValues = flag; }
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bool getWriteOutDefaultValues() const { return _writeOutDefaultValues; }
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void open(const char *name);
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// comment out temporarily to avoid compilation problems, RO Jan 2002.
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// void open(const char *name,int mode);
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Output& indent();
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/** wrap a string with "" quotes and use \" for any internal quotes.*/
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std::string wrapString(const char* str);
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/** wrap a string with "" quotes and use \" for any internal quotes.*/
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std::string wrapString(const std::string& str);
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inline void setIndentStep(int step) { _indentStep = step; }
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inline int getIndentStep() const { return _indentStep; }
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inline void setIndent(int indent) { _indent = indent; }
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inline int getIndent() const { return _indent; }
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inline void setNumIndicesPerLine(int num) { _numIndicesPerLine = num; }
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inline int getNumIndicesPerLine() const { return _numIndicesPerLine; }
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void moveIn();
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void moveOut();
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virtual bool writeObject(const osg::Object& obj);
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virtual void writeBeginObject(const std::string& name);
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virtual void writeEndObject();
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virtual void writeUseID(const std::string& id);
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virtual void writeUniqueID(const std::string& id);
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bool getUniqueIDForObject(const osg::Object* obj,std::string& uniqueID);
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bool createUniqueIDForObject(const osg::Object* obj,std::string& uniqueID);
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bool registerUniqueIDForObject(const osg::Object* obj,std::string& uniqueID);
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enum PathNameHint
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{
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AS_IS,
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FULL_PATH,
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RELATIVE_PATH,
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FILENAME_ONLY
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};
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inline void setPathNameHint(const PathNameHint pnh) { _pathNameHint = pnh; }
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inline PathNameHint getPathNameHint() const { return _pathNameHint; }
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virtual std::string getFileNameForOutput(const std::string& filename) const;
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const std::string& getFileName() const { return _filename; }
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// Set and get if export texture files during write
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void setOutputTextureFiles(bool flag) { _outputTextureFiles = flag; }
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bool getOutputTextureFiles() const { return _outputTextureFiles; }
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// support code for OutputTextureFiles
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virtual std::string getTextureFileNameForOutput();
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void setOutputShaderFiles(bool flag) { _outputShaderFiles = flag; }
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bool getOutputShaderFiles() const { return _outputShaderFiles; }
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virtual std::string getShaderFileNameForOutput();
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void setExternalFileWritten(const std::string& filename, bool hasBeenWritten=true);
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bool getExternalFileWritten(const std::string& filename) const;
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protected:
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virtual void init();
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osg::ref_ptr<const Options> _options;
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int _indent;
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int _indentStep;
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int _numIndicesPerLine;
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typedef std::map<const osg::Object*,std::string> UniqueIDToLabelMapping;
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UniqueIDToLabelMapping _objectToUniqueIDMap;
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std::string _filename;
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PathNameHint _pathNameHint;
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bool _outputTextureFiles;
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unsigned int _textureFileNameNumber;
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bool _outputShaderFiles;
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unsigned int _shaderFileNameNumber;
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bool _writeOutDefaultValues;
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typedef std::map<std::string, bool> ExternalFileWrittenMap;
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ExternalFileWrittenMap _externalFileWritten;
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};
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}
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#endif // __SG_OUTPUT_H
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