bool cbThreadPool::WaitingThread()
{
wxMutexLocker lock(m_Mutex);
--m_workingThreads;
if (m_workingThreads <= 0 && m_tasksQueue.empty())
{
// Sends cbEVT_THREADTASK_ALLDONE message only the real task is all done
if (m_taskAdded)
{
// notify the owner that all tasks are done
CodeBlocksEvent evt = CodeBlocksEvent(cbEVT_THREADTASK_ALLDONE, m_ID);
wxPostEvent(m_pOwner, evt);
}
// The last active thread is now waiting and there's a pending new number of threads to assign...
if (m_concurrentThreadsSchedule)
{
_SetConcurrentThreads(m_concurrentThreadsSchedule);
return false; // the thread must abort
}
}
else
m_semaphore->Post();
return true;
}
void cbThreadPool::SetConcurrentThreads(int concurrentThreads)
{
// m_concurrentThreads is set here, it should always be a positive integer
if (concurrentThreads <= 0)
{
concurrentThreads = wxThread::GetCPUCount(); // GetCPUCount will return -1 if it failed
if (concurrentThreads == -1)
m_concurrentThreads = 1; // as a fallback, we set the value to 1
}
if (concurrentThreads == m_concurrentThreads)
{
m_concurrentThreadsSchedule = 0;
return;
}
wxMutexLocker lock(m_Mutex);
_SetConcurrentThreads(concurrentThreads);
}
void cbThreadPool::SetConcurrentThreads(int concurrentThreads)
{
if (concurrentThreads <= 0)
{
concurrentThreads = wxThread::GetCPUCount();
if (concurrentThreads == -1)
{
m_concurrentThreads = 1;
}
}
if (concurrentThreads == m_concurrentThreads)
{
m_concurrentThreadsSchedule = 0;
return;
}
wxMutexLocker lock(m_Mutex);
_SetConcurrentThreads(concurrentThreads);
}
