static void startWorker()
{
DENG_ASSERT(DMFluid_Driver() == NULL);
DENG_ASSERT(worker == NULL);
workerShouldStop = false;
worker = Sys_StartThread(synthWorkThread, 0);
}
/**
* Sets up module state for running a busy task. After this the busy mode event
* loop is started. The loop will run until the worker thread exits.
*/
static void beginTask(BusyTask* task)
{
DENG_ASSERT(task);
if(!busyInited)
{
busy_Mutex = Sys_CreateMutex("BUSY_MUTEX");
}
if(busyInited)
{
App_Error("Con_Busy: Already busy.\n");
}
BusyVisual_PrepareResources();
Sys_Lock(busy_Mutex);
busyDone = false;
busyTaskEndedWithError = false;
// This is now the current task.
busyTask = task;
Sys_Unlock(busy_Mutex);
busyInited = true;
de::ProgressWidget &prog = ClientWindow::main().busy().progress();
prog.show();
prog.setText(task->name);
prog.setMode(task->mode & BUSYF_ACTIVITY? de::ProgressWidget::Indefinite :
de::ProgressWidget::Ranged);
// Start the busy worker thread, which will process the task in the
// background while we keep the user occupied with nice animations.
busyThread = Sys_StartThread(busyTask->worker, busyTask->workerData);
Thread_SetCallback(busyThread, busyWorkerTerminated);
busyTask->_startTime = Timer_RealSeconds();
}
