void Run(const Reciever &reciever)
{
boost::mutex mutex;
boost::unique_lock<boost::mutex> lock(mutex);
progress = 0.5f;
started.notify_all();
end.wait(lock);
progress = 1;
ended.notify_all();
}
/**
* Try mark the file for deletion. Only few file states permit this operation to happen.
*
* @return true if file was marked for deletion
* No one should reference this file since it is marked for deletion
*/
inline bool mark_for_deletion(){
boost::mutex::scoped_lock lock(m_state_changed_mux);
bool marked = false;
LOG (INFO) << "Managed file OTO \"" << fqp() << "\" with state \"" << state() << "\" is requested for deletion." <<
"subscribers # = " << m_subscribers.load(std::memory_order_acquire) << "\n";
// check all states that allow to mark the file for deletion:
State expected = State::FILE_IS_IDLE;
// look for "idle marker"
marked = m_state.compare_exchange_strong(expected, State::FILE_IS_MARKED_FOR_DELETION);
if(marked){
// wait for all detaching clients to finish:
boost::unique_lock<boost::mutex> detaching_lock(m_detaching_mux_guard);
m_detaching_condition.wait(detaching_lock, [&]{ return (m_detaching_clients.size() == 0); });
detaching_lock.unlock();
// go ahead, no detaching clients are in progress more
m_state_changed_condition.notify_all();
LOG (INFO) << "Managed file OTO \"" << fqp() << "\" with state \"" << state() <<
"\" is successfully marked for deletion." << "\n";
if(m_subscribers.load(std::memory_order_acquire) == 0)
return true;
return false;
}
expected = State::FILE_IS_FORBIDDEN;
marked = m_state.compare_exchange_strong(expected, State::FILE_IS_MARKED_FOR_DELETION);
if(marked){
m_state_changed_condition.notify_all();
LOG (INFO) << "Managed file OTO \"" << fqp() << "\" with state \"" << state() <<
"\" is successfully marked for deletion." << "\n";
if(m_subscribers.load(std::memory_order_acquire) == 0)
return true;
return false;
}
expected = State::FILE_IS_AMORPHOUS;
marked = m_state.compare_exchange_strong(expected, State::FILE_IS_MARKED_FOR_DELETION);
m_state_changed_condition.notify_all();
marked = (marked && (m_subscribers.load(std::memory_order_acquire) == 0));
std::string marked_str = marked ? "successfully" : "NOT";
LOG (INFO) << "Managed file OTO \"" << fqp() << "\" with state \"" << state() <<
"\" is " << marked_str << " marked for deletion." << "\n";
return marked;
}
/**
* Reschedules this timer.
*
* @param next The time when this timer should be called again. Use -1 to let
* the timer figure out a suitable time based on the interval.
*/
void Timer::Reschedule(double next)
{
ASSERT(!OwnsLock());
boost::mutex::scoped_lock lock(l_Mutex);
if (next < 0) {
/* Don't schedule the next call if this is not a periodic timer. */
if (m_Interval <= 0)
return;
next = Utility::GetTime() + m_Interval;
}
m_Next = next;
if (m_Started) {
/* Remove and re-add the timer to update the index. */
l_Timers.erase(GetSelf());
l_Timers.insert(GetSelf());
/* Notify the worker that we've rescheduled a timer. */
l_CV.notify_all();
}
}
void ConsoleCommand::AutocompleteScriptCompletionHandler(boost::mutex& mutex, boost::condition_variable& cv,
bool& ready, const boost::exception_ptr& eptr, const Array::Ptr& result, Array::Ptr& resultOut)
{
if (eptr) {
try {
boost::rethrow_exception(eptr);
} catch (const std::exception& ex) {
Log(LogCritical, "ConsoleCommand")
<< "HTTP query failed: " << ex.what();
#ifdef HAVE_EDITLINE
/* Ensures that the terminal state is resetted */
rl_deprep_terminal();
#endif /* HAVE_EDITLINE */
Application::Exit(EXIT_FAILURE);
}
}
resultOut = result;
{
boost::mutex::scoped_lock lock(mutex);
ready = true;
cv.notify_all();
}
}
/**
* Reschedules this timer.
*
* @param completed Whether the timer has just completed its callback.
* @param next The time when this timer should be called again. Use -1 to let
* the timer figure out a suitable time based on the interval.
*/
void Timer::InternalReschedule(bool completed, double next)
{
ASSERT(!OwnsLock());
boost::mutex::scoped_lock lock(l_TimerMutex);
if (completed)
m_Running = false;
if (next < 0) {
/* Don't schedule the next call if this is not a periodic timer. */
if (m_Interval <= 0)
return;
next = Utility::GetTime() + m_Interval;
}
m_Next = next;
if (m_Started && !m_Running) {
/* Remove and re-add the timer to update the index. */
l_Timers.erase(this);
l_Timers.insert(this);
/* Notify the worker that we've rescheduled a timer. */
l_TimerCV.notify_all();
}
}
void start() {
runningState_mutex->lock();
*runningState = RUNNING;
runningState_mutex->unlock();
cv->notify_all();
}
void pause() {
runningState_mutex->lock();
*runningState = PAUSED;
runningState_mutex->unlock();
cv->notify_all();
}
int main(int argc, char **argv) {
ros::init(argc, argv, "recognizer");
ros::NodeHandle n("~");
n.param("configuration", JULIUS_CONFIGURATION, string(""));
n.param("debug", JULIUS_DEBUG, (bool)FALSE);
if (JULIUS_CONFIGURATION.empty()) {
ROS_ERROR("No Julius configuration file provided");
return -1;
}
boost::thread julius_thread(recognize);
commands = n.advertise<std_msgs::String>(std::string("output"), 1000);
ros::ServiceServer start_service = n.advertiseService<std_srvs::Empty::Request, std_srvs::Empty::Response>(ros::this_node::getName() + std::string("/start"), start_service_callback);
ros::ServiceServer stop_service = n.advertiseService<std_srvs::Empty::Request, std_srvs::Empty::Response>(ros::this_node::getName() + std::string("/stop"), stop_service_callback);
n.createTimer(ros::Duration(5), watchdog);
ros::spin();
if (recog) j_request_terminate(recog);
pause_variable.notify_all();
//julius_thread.join();
return 0;
}
void MANAGER :: cleanup (void)
{
LogString saved_context;
LOGGER_PUSH_NDCTAG (LOGGER_TAG_MANAGER);
LOG4CXX_INFO (_logger, "Cleaning up by joining all the workers.");
if (_nWorkers <= 0)
{
LOG4CXX_INFO (_logger, "There are no workers in the pool. Hence no cleanup is required. Returning...");
LOGGER_POP_NDCTAG;
return;
}
/* notify all workers about whole_job_completed */
{
boost::lock_guard<boost::mutex> lock(mut);
command_from_manager = 1;
whole_job_completed = 1;
free_workers_mutex.lock();
LOG4CXX_DEBUG (_logger, "sending whole_job_completed notification to all. Currently free_workers = " << free_workers);
free_workers_mutex.unlock();
cond.notify_all ();
}
free_workers_mutex.lock();
LOG4CXX_INFO (_logger, "joining all. Currently free_workers = " << free_workers);
free_workers_mutex.unlock();
join_all ();
free_workers_mutex.lock();
LOG4CXX_INFO (_logger, "joined all. Currently free_workers = " << free_workers);
free_workers_mutex.unlock();
LOGGER_POP_NDCTAG;
}
/* threat functions*/
void datagen_thread_loop(void)
{
ostringstream testline;
/* create testdata*/
int jj=0;
for(int ii=0; ii < 8*8-1; ii++) //64 = 63 chars + end line
{
if(++jj > 9) jj = 0;
testline << jj;
}
testline << "\n";
jj=0;
while(record_thread_running && jj < NUM_LINES)
{
#if !defined(WITH_BOOST_TIME)
clock_gettime(CLOCK_MONOTONIC, &ts_beg); // http://linux.die.net/man/3/clock_gettime
#else
start_time = boost::posix_time::microsec_clock::local_time();
#endif
// ********************************* //
*active_buffer += testline.str().c_str();
if(4*1024 < active_buffer->length()) //write 4 kbyte blocks
{
record_trigger.notify_all();
}
// ********************************* //
#if !defined(WITH_BOOST_TIME)
clock_gettime(CLOCK_MONOTONIC, &ts_end);
v_fTime_s.push_back(ts_end.tv_sec);
v_fTime_us.push_back(ts_end.tv_nsec/1e+3);
v_fDifftime.push_back((ts_end.tv_sec - ts_beg.tv_sec) + (ts_end.tv_nsec - ts_beg.tv_nsec) / 1e9);
f_DT_s = (ts_end.tv_sec - ts_beg.tv_sec) + (ts_end.tv_nsec - ts_beg.tv_nsec) / 1e9;
#else
stop_time = boost::posix_time::microsec_clock::local_time();
time_duration = (stop_time - start_time);
v_fTime_s.push_back( (stop_time-boost::posix_time::from_time_t(0)).total_seconds() );
v_fTime_us.push_back( (stop_time-boost::posix_time::from_time_t(0)).fractional_seconds() );
v_fDifftime.push_back( time_duration.total_seconds()+ time_duration.fractional_seconds()/ 1e6);
f_DT_s = (time_duration.total_seconds()+ time_duration.fractional_seconds()/ 1e6);
#endif
#if defined(DEBUG)
if(0.5 < 1.e+3*f_DT_s) // log only values above 0.5 ms
{
cout << "Line " << jj << " of " << NUM_LINES << ":"
<< "\t" << v_fTime_s.back() << "." << v_fTime_us.back() << "s: "
<< "\tdT: " << fixed << 1.e+3*f_DT_s << " ms"
<< endl;
}
#endif
boost::this_thread::sleep(boost::posix_time::microseconds(4*1e+6*f_DT_s)); //about 50% CPU load
jj++;
}//while
datagen_done = true;
}
void step() {
if(getRunningState() != RUNNING) {
boost::lock_guard<boost::mutex> lock2(*esc64_mutex);
esc64->step();
}
cv->notify_all();
}
// for message queue
void push(T data)
{
boost::mutex::scoped_lock lockHandle(mutexHandle);
queueHandle.push(data);
lockHandle.unlock();
condFlag.notify_all();
}
void MessageHandler(CoinNodeSocket* pNodeSocket, const CoinNodeMessage& message)
{
if (string(message.getCommand()) == "version") {
cout << message.toIndentedString() << endl;
boost::unique_lock<boost::mutex> lock(mutex);
bGotVersion = true;
gotVersion.notify_all();
}
}
// for data queue
void wait_and_push(T data)
{
boost::mutex::scoped_lock lockHandle(mutexHandle);
condFlag.wait(lockHandle, isFull(&queueHandle, sizeMax));
queueHandle.push(data);
lockHandle.unlock();
condFlag.notify_all();
}
void stop()
{
io_service_.stop();
{
boost::lock_guard<boost::mutex> lock(mutex_);
terminated_ = true;
}
condition_.notify_all();
}
void flush() {
// If notification for pushed task was sent between lines
// `while (tasks_.empty()) {` and `cond_.wait(lock);`, then
// there is a small chance that the notification was lost.
//
// Forcing all the blocked threads to wake up.
boost::lock_guard<boost::mutex> lock(tasks_mutex_);
cond_.notify_all();
}
/**
* Disables the timer sub-system.
*/
void Timer::Uninitialize(void)
{
{
boost::mutex::scoped_lock lock(l_Mutex);
l_StopThread = true;
l_CV.notify_all();
}
l_Thread.join();
}
ros::CallbackInterface::CallResult call()
{
if (--g_count == 0)
{
boost::mutex::scoped_lock lock(g_mutex);
g_cond.notify_all();
}
return Success;
}
void thr::thr_quit()
{
boost::mutex::scoped_lock scope(mut);
quitting = true;
// Wake all threads.
workers_waiting.notifyAll(&workers_active);
workers_sleeping.notifyAll(&workers_active);
// Wake all waiters, their wishes will not be fullfilled.
cond_wait_normal.notify_all();
cond_wait_privileged.notify_all();
// Clear all tasks, they will not be done.
tasks_normal.clear();
tasks_important.clear();
tasks_privileged.clear();
}
static void startup_notify(
boost::system::error_code & result2,
boost::mutex & mutex,
boost::condition_variable & cond,
boost::system::error_code const & result)
{
boost::mutex::scoped_lock lock(mutex);
result2 = result;
cond.notify_all();
}
void setNotify(bool state)
{
m_NotifyLock.lock();
m_bNotify = state;
if (state)
m_WaitCond.notify_all();
m_NotifyLock.unlock();
}
/** \brief Wake up anyone waiting for normal tasks to complete.
*
* Must be called from a locked context.
*
* Do not call this function if normal task queue is not empty.
*
* If the caller is a worker thread, it must be in the active worker storage.
*
* \param tid Thread id.
*/
static bool wake_normal()
{
if(1 != workers_active.size())
{
return false;
}
// We were the only worker active.
workers_waiting.notifyAll(&workers_active);
cond_wait_normal.notify_all();
return true;
}
bool start_service_callback(std_srvs::Empty::Request &req, std_srvs::Empty::Response &res) {
boost::lock_guard<boost::mutex> lock(request_mutex);
if (recog) j_request_resume(recog);
pause_variable.notify_all();
return true;
}
/**
* Disables the timer sub-system.
*/
void Timer::Uninitialize(void)
{
{
boost::mutex::scoped_lock lock(l_TimerMutex);
l_StopTimerThread = true;
l_TimerCV.notify_all();
}
if (l_TimerThread.joinable())
l_TimerThread.join();
}
void ServiceImpl::setState(SimControlState state)
{
{
boost::lock_guard<boost::mutex> lock(simStateMutex);
prevSimState = simState;
simState = state;
}
simStateCond.notify_all();
//TODO: print state changes when usefull to know
}
/**
* Unregisters the timer and stops processing events for it.
*/
void Timer::Stop(void)
{
ASSERT(!OwnsLock());
boost::mutex::scoped_lock lock(l_Mutex);
m_Started = false;
l_Timers.erase(GetSelf());
/* Notify the worker thread that we've disabled a timer. */
l_CV.notify_all();
}
BOOL WINAPI HandlerRoutine(__in DWORD dwCtrlType)
{
switch(dwCtrlType)
{
case CTRL_CLOSE_EVENT:
case CTRL_SHUTDOWN_EVENT:
shutdown_event = application_state::shutdown;
shutdown_cond.notify_all();
return true;
}
return false;
}
/** setter for file state
* @param state - file state to mark the file with
*/
inline void state(State state) {
// do not change file state when it is marked for deletion:
if(m_state.load(std::memory_order_acquire) == State::FILE_IS_MARKED_FOR_DELETION)
return;
if(state == State::FILE_IS_IN_USE_BY_SYNC)
m_lastsyncattempt = boost::posix_time::microsec_clock::local_time();
// fire the condition variable for whoever waits for file status to be changed:
m_state.exchange(state, std::memory_order_release);
boost::mutex::scoped_lock lock(m_state_changed_mux);
m_state_changed_condition.notify_all();
}
/// @brief Destructor.
~ThreadPool() {
// Set running flag to false then notify all threads.
{
boost::unique_lock< boost::mutex > lock(mutex_);
running_ = false;
condition_.notify_all();
}
try {
threads_.join_all();
}
// Suppress all exceptions.
catch (const std::exception&) {}
}
~ThreadPool()
{
threadsafe_print("Entering thread pool destructor\n");
{
lock_guard tasksLock(m_tasksMutex);
m_threadExit = true;
}
m_tasksChangedCondition.notify_all();
threadsafe_print("Threads should now exit when all tasks are done.\n");
for(int i = 0; i < (int)m_threads.size(); ++i)
{
m_threads[i]->join();
threadsafe_print("Thread exit.\n");
}
}