cppcheck/cli/threadexecutor.h

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/*
* Cppcheck - A tool for static C/C++ code analysis
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* Copyright (C) 2007-2022 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 "config.h"
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#include <cstddef>
#include <list>
#include <map>
#include <string>
class Settings;
class ErrorLogger;
/// @addtogroup CLI
/// @{
/**
* This class will take a list of filenames and settings and check then
* all files using threads.
*/
class ThreadExecutor {
public:
ThreadExecutor(const std::map<std::string, std::size_t> &files, Settings &settings, ErrorLogger &errorLogger);
ThreadExecutor(const ThreadExecutor &) = delete;
~ThreadExecutor();
void operator=(const ThreadExecutor &) = delete;
unsigned int check();
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private:
const std::map<std::string, std::size_t> &mFiles;
Settings &mSettings;
ErrorLogger &mErrorLogger;
std::list<std::string> mErrorList;
#if defined(THREADING_MODEL_FORK)
/**
* 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);
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/**
* @brief Check load average condition
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* @param nchildren - count of currently ran children
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* @return true - if new process can be started
*/
bool checkLoadAverage(size_t nchildren);
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/**
* @brief Reports internal errors related to child processes
* @param msg The error message
*/
void reportInternalChildErr(const std::string &childname, const std::string &msg);
#elif defined(THREADING_MODEL_THREAD)
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class LogWriter;
static unsigned int STDCALL threadProc(LogWriter *threadExecutor);
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#endif
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public:
/**
* @return true if support for threads exist.
*/
static bool isEnabled();
};
/// @}
#endif // THREADEXECUTOR_H