[DEV] basic add of the thread tools
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ethread/tools.cpp
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180
ethread/tools.cpp
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/**
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* @author Edouard DUPIN
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*
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* @copyright 2011, Edouard DUPIN, all right reserved
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*
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* @license APACHE v2.0 (see license file)
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*/
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#include <ethread/tools.h>
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#include <mutex>
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#include <map>
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static std::mutex g_lock;
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static std::map<uint32_t, std::string>& getThreadList() {
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static std::map<uint32_t, std::string> g_val;
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return g_val;
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}
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static uint32_t getThreadHumanId(std::thread::id _id) {
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uint32_t out = 0;
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uint64_t iddd = std::hash<std::thread::id>()(_id);
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g_lock.lock();
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static std::map<uint64_t, uint32_t> g_list;
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std::map<uint64_t, uint32_t>::iterator it = g_list.find(iddd);
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if (it == g_list.end()) {
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// attribute new ID :
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static uint32_t tmpId = 0;
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g_list.insert(std::pair<uint64_t, uint32_t>(iddd,tmpId));
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out = tmpId;
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tmpId++;
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} else {
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out = it->second;
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}
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g_lock.unlock();
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return out;
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}
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static std::string getThreadName(std::thread::id _id) {
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std::map<uint32_t,std::string>& list = getThreadList();
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uint32_t threadID = getThreadHumanId(_id);
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std::string out;
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g_lock.lock();
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std::map<uint32_t,std::string>::iterator it = list.find(threadID);
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if (it != list.end()) {
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out = it->second;
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}
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g_lock.unlock();
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return out;
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}
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static void setThreadName(std::thread* _thread, const std::string& _name) {
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std::map<uint32_t,std::string>& list = getThreadList();
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uint32_t threadID = ethread::getId();
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g_lock.lock();
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std::map<uint32_t,std::string>::iterator it = list.find(threadID);
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if (it == list.end()) {
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list.insert(std::pair<uint32_t, std::string>(threadID, _name));
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} else {
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it->second = _name;
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}
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g_lock.unlock();
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// try now to set the thread name with Pthread
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#if defined(__TARGET_OS__Linux)
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pthread_t pthreadID;
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if (_thread == nullptr) {
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pthreadID = pthread_self();
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} else {
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pthreadID = (pthread_t) _thread->native_handle();
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}
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std::string name = _name;
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if (name.size() > 15) {
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name.resize(15);
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}
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if (pthread_setname_np(pthreadID, name.c_str()) < 0) {
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//TODO: TK_ERROR("Error when setting the Name in the OS thread naming");
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}
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#else
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//TODO: TK_INFO("Can not set the thread name in this OS (local set)");
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#endif
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}
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uint32_t ethread::getId() {
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return getThreadHumanId(std::this_thread::get_id());
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}
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uint32_t ethread::getId(std::thread& _thread) {
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return getThreadHumanId(_thread.get_id());
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}
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void ethread::setName(const std::string& _name) {
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setThreadName(nullptr, _name);
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}
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void ethread::setName(std::thread& _thread, const std::string& _name) {
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setThreadName(&_thread, _name);
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}
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std::string ethread::getName() {
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return getThreadName(std::this_thread::get_id());
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}
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std::string ethread::getName(std::thread& _thread) {
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return getThreadName(_thread.get_id());
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}
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#if defined(__TARGET_OS__Linux)
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static void setThreadPriority(pthread_t _threadID, int32_t _priority) {
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int retcode;
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int policy;
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struct sched_param param;
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retcode = pthread_getschedparam(_threadID, &policy, ¶m);
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if (retcode != 0) {
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//TODO: TK_ERROR("Can not get prioriry " << ((retcode == ESRCH) ? "WRONG THREAD ID (ESRCH)" :"???") );
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return;
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}
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//TODO: TK_INFO("Try to set the thread proiority at :" << _priority);
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policy = SCHED_OTHER;
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if (_priority < 0) {
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_priority *= -1;
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policy = SCHED_FIFO;
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}
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param.sched_priority = _priority;
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retcode = pthread_setschedparam(_threadID, policy, ¶m);
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if (retcode != 0) {
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/* TODO: TK_ERROR("Can not set prioriry " << ((retcode == ESRCH) ? "WRONG THREAD ID (ESRCH)" :
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(retcode == EINVAL) ? "WRONG POLICY (EINVAL)" :
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(retcode == EPERM) ? "NO PRIVILEGE (EPERM)" :
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"???") );
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*/
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}
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}
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static int32_t getThreadPriority(pthread_t _threadID) {
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int retcode;
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int policy;
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struct sched_param param;
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retcode = pthread_getschedparam(_threadID, &policy, ¶m);
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if (retcode != 0) {
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//TODO: TK_ERROR("Can not get prioriry " << ((retcode == ESRCH) ? "WRONG THREAD ID (ESRCH)" : "???") );
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return 20;
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}
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if (policy != SCHED_OTHER) {
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return -param.sched_priority;
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}
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return param.sched_priority;
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}
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#endif
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void ethread::setPriority(int32_t _priority) {
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#if defined(__TARGET_OS__Linux)
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pthread_t threadID = pthread_self();
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setThreadPriority(threadID, _priority);
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#endif
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}
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void ethread::setPriority(std::thread& _thread, int32_t _priority) {
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#if defined(__TARGET_OS__Linux)
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pthread_t threadID = (pthread_t) _thread.native_handle();
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setThreadPriority(threadID, _priority);
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#endif
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}
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int32_t ethread::getPriority() {
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#if defined(__TARGET_OS__Linux)
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pthread_t threadID = pthread_self();
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return getThreadPriority(threadID);
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#else
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return 20;
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#endif
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}
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int32_t ethread::getPriority(std::thread& _thread) {
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#if defined(__TARGET_OS__Linux)
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pthread_t threadID = static_cast<pthread_t>(_thread.native_handle());
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return getThreadPriority(threadID);
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#else
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return 20;
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#endif
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}
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70
ethread/tools.h
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70
ethread/tools.h
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/**
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* @author Edouard DUPIN
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*
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* @copyright 2011, Edouard DUPIN, all right reserved
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*
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* @license APACHE v2.0 (see license file)
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*/
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#pragma once
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#include <thread>
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namespace ethread {
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/**
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* @brief get human readable thread ID. (not the std::thread::get_id())
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* @return the ID of the thread.
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*/
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uint32_t getId();
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/**
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* @brief get human readable thread ID. (not the std::thread::get_id())
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* @param[in] _thread Thread handle
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* @return the ID of the thread.
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*/
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uint32_t getId(std::thread& _thread);
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/**
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* @brief Set the Current thread name
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* @param[in] _name New name of the thread
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*/
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void setName(const std::string& _name);
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/**
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* @brief Set an other thread name
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* @param[in] _thread Thread handle
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* @param[in] _name New name of the thread
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*/
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void setName(std::thread& _thread, const std::string& _name);
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/**
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* @brief Set the Current thread name
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* @return The current name of the thread
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*/
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std::string getName();
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/**
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* @brief Get an other thread name
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* @praram[in] _thread Thread handle
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* @return The external thread name of the thread
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*/
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std::string getName(std::thread& _thread);
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/**
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* @brief Set the Current thread priority [-20..0] for RT and ]0..50] for normal priority
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* @param[in] _priority New priority of the thread
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* @note If your process have not the right to change thread name, it does not work
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*/
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void setPriority(int32_t _priority);
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/**
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* @brief Set an other thread priority [-20..0] for RT and ]0..50] for normal priority
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* @param[in] _thread Thread handle
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* @param[in] _priority New priority of the thread
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* @note If your process have not the right to change thread name, it does not work
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*/
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void setPriority(std::thread& _thread, int32_t _priority);
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/**
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* @brief get the Current thread priority [-20..0] for RT and ]0..50] for normal priority
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* @return current priority of the thread
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*/
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int32_t getPriority();
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/**
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* @brief Get an other thread priority [-20..0] for RT and ]0..50] for normal priority
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* @param[in] _thread Thread handle
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* @return current priority of the thread
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*/
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int32_t getPriority(std::thread& _thread);
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}
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47
lutin_ethread.py
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47
lutin_ethread.py
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#!/usr/bin/python
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import lutin.module as module
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import lutin.tools as tools
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def get_type():
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return "LIBRARY"
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def get_desc():
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return "Ewol thread tools"
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def get_licence():
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return "APACHE-2"
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def get_compagny_type():
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return "com"
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def get_compagny_name():
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return "atria-soft"
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def get_maintainer():
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return ["Mr DUPIN Edouard <yui.heero@gmail.com>"]
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def get_version():
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return [0,1,"dev"]
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def create(target, module_name):
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my_module = module.Module(__file__, module_name, get_type())
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my_module.add_extra_compile_flags()
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# add the file to compile:
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my_module.add_src_file([
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'ethread/tools.cpp',
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])
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my_module.add_header_file([
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'ethread/tools.h',
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])
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# build in C++ mode
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my_module.compile_version("c++", 2011)
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# add dependency of the generic C++ library:
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my_module.add_module_depend('cxx')
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my_module.add_path(tools.get_current_path(__file__))
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return my_module
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