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Copy paththreadexecutor.h
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147 lines (122 loc) · 4.03 KB
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/*
* Cppcheck - A tool for static C/C++ code analysis
* Copyright (C) 2007-2013 Daniel Marjamäki and Cppcheck team.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef THREADEXECUTOR_H
#define THREADEXECUTOR_H
#include <map>
#include <string>
#include <list>
#include "errorlogger.h"
#if (defined(__GNUC__) || defined(__sun)) && !defined(__MINGW32__)
#define THREADING_MODEL_FORK
#elif defined(_WIN32)
#define THREADING_MODEL_WIN
#include <windows.h>
#endif
class Settings;
/// @addtogroup CLI
/// @{
/**
* This class will take a list of filenames and settings and check then
* all files using threads.
*/
class ThreadExecutor : public ErrorLogger {
public:
ThreadExecutor(const std::map<std::string, std::size_t> &files, Settings &settings, ErrorLogger &_errorLogger);
virtual ~ThreadExecutor();
unsigned int check();
virtual void reportOut(const std::string &outmsg);
virtual void reportErr(const ErrorLogger::ErrorMessage &msg);
virtual void reportInfo(const ErrorLogger::ErrorMessage &msg);
/**
* @brief Add content to a file, to be used in unit testing.
*
* @param path File name (used as a key to link with real file).
* @param content If the file would be a real file, this should be
* the content of the file.
*/
void addFileContent(const std::string &path, const std::string &content);
private:
const std::map<std::string, std::size_t> &_files;
Settings &_settings;
ErrorLogger &_errorLogger;
unsigned int _fileCount;
#if defined(THREADING_MODEL_FORK)
/** @brief Key is file name, and value is the content of the file */
std::map<std::string, std::string> _fileContents;
private:
enum PipeSignal {REPORT_OUT='1',REPORT_ERROR='2', REPORT_INFO='3', CHILD_END='4'};
/**
* Read from the pipe, parse and handle what ever is in there.
*@return -1 in case of error
* 0 if there is nothing in the pipe to be read
* 1 if we did read something
*/
int handleRead(int rpipe, unsigned int &result);
void writeToPipe(PipeSignal type, const std::string &data);
/**
* Write end of status pipe, different for each child.
* Not used in master process.
*/
std::list<std::string> _errorList;
int _wpipe;
public:
/**
* @return true if support for threads exist.
*/
static bool isEnabled() {
return true;
}
#elif defined(THREADING_MODEL_WIN)
private:
enum MessageType {REPORT_ERROR, REPORT_INFO};
std::map<std::string, std::string> _fileContents;
std::map<std::string, std::size_t>::const_iterator _itNextFile;
std::size_t _processedFiles;
std::size_t _totalFiles;
std::size_t _processedSize;
std::size_t _totalFileSize;
CRITICAL_SECTION _fileSync;
std::list<std::string> _errorList;
CRITICAL_SECTION _errorSync;
CRITICAL_SECTION _reportSync;
void report(const ErrorLogger::ErrorMessage &msg, MessageType msgType);
static unsigned __stdcall threadProc(void*);
public:
/**
* @return true if support for threads exist.
*/
static bool isEnabled() {
return true;
}
#else
public:
/**
* @return true if support for threads exist.
*/
static bool isEnabled() {
return false;
}
#endif
private:
/** disabled copy constructor */
ThreadExecutor(const ThreadExecutor &);
/** disabled assignment operator */
void operator=(const ThreadExecutor &);
};
/// @}
#endif // THREADEXECUTOR_H