115 lines
3.2 KiB
C++
115 lines
3.2 KiB
C++
/*
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* Cppcheck - A tool for static C/C++ code analysis
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* Copyright (C) 2007-2022 Cppcheck team.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program 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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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef THREADEXECUTOR_H
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#define THREADEXECUTOR_H
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#include <cstddef>
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#include <list>
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#include <map>
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#include <string>
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#if ((defined(__GNUC__) || defined(__sun)) && !defined(__MINGW32__) && !defined(__CYGWIN__)) || defined(__CPPCHECK__)
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#define THREADING_MODEL_FORK
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#elif defined(_WIN32)
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#define THREADING_MODEL_WIN
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#else
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#error "No threading model defined"
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#endif
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class Settings;
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class ErrorLogger;
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/// @addtogroup CLI
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/// @{
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/**
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* This class will take a list of filenames and settings and check then
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* all files using threads.
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*/
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class ThreadExecutor {
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public:
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ThreadExecutor(const std::map<std::string, std::size_t> &files, Settings &settings, ErrorLogger &errorLogger);
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ThreadExecutor(const ThreadExecutor &) = delete;
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~ThreadExecutor();
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void operator=(const ThreadExecutor &) = delete;
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unsigned int check();
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/**
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* @brief Add content to a file, to be used in unit testing.
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*
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* @param path File name (used as a key to link with real file).
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* @param content If the file would be a real file, this should be
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* the content of the file.
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*/
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void addFileContent(const std::string &path, const std::string &content);
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private:
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const std::map<std::string, std::size_t> &mFiles;
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Settings &mSettings;
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ErrorLogger &mErrorLogger;
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unsigned int mFileCount;
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std::list<std::string> mErrorList;
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/** @brief Key is file name, and value is the content of the file */
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std::map<std::string, std::string> mFileContents;
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#if defined(THREADING_MODEL_FORK)
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/**
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* Read from the pipe, parse and handle what ever is in there.
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*@return -1 in case of error
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* 0 if there is nothing in the pipe to be read
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* 1 if we did read something
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*/
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int handleRead(int rpipe, unsigned int &result);
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/**
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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
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*/
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bool checkLoadAverage(size_t nchildren);
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/**
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* @brief Reports internal errors related to child processes
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* @param msg The error message
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*/
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void reportInternalChildErr(const std::string &childname, const std::string &msg);
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#elif defined(THREADING_MODEL_WIN)
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class LogWriter;
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static unsigned __stdcall threadProc(LogWriter *threadExecutor);
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#endif
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public:
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/**
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* @return true if support for threads exist.
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*/
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static bool isEnabled() {
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return true;
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}
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};
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/// @}
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#endif // THREADEXECUTOR_H
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