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MCOL-4841 Fix for MCOL-5009

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respondWait could be set to false
while other threads were waiting. With respondWait false, okToRrespond
wouldn't ever get notify_one(). Get rid of respondWait and use
fProcessorPool->blockedThreadCount to determine if any threads may be
waiting.
This commit is contained in:
David Hall
2022-03-07 15:25:00 -06:00
parent 27dea733c5
commit a98834e31c
3 changed files with 6 additions and 7 deletions
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6
primitives/primproc/bppsendthread.cpp
View File

@ -76,11 +76,9 @@ void BPPSendThread::sendResult(const Msg_t& msg, bool newConnection)
std::unique_lock<std::mutex> sl1(respondLock);
while (currentByteSize >= maxByteSize && msgQueue.size() > 3 && !die)
{
respondWait = true;
fProcessorPool->incBlockedThreads();
okToRespond.wait(sl1);
fProcessorPool->decBlockedThreads();
respondWait = false;
}
}
if (die)
@ -123,11 +121,9 @@ void BPPSendThread::sendResults(const vector<Msg_t>& msgs, bool newConnection)
std::unique_lock<std::mutex> sl1(respondLock);
while (currentByteSize >= maxByteSize && msgQueue.size() > 3 && !die)
{
respondWait = true;
fProcessorPool->incBlockedThreads();
okToRespond.wait(sl1);
fProcessorPool->decBlockedThreads();
respondWait = false;
}
}
if (die)
@ -279,7 +275,7 @@ void BPPSendThread::mainLoop()
msg[msgsSent].msg.reset();
}
if (respondWait && currentByteSize < maxByteSize)
if (fProcessorPool->blockedThreadCount() > 0 && currentByteSize < maxByteSize)
{
okToRespond.notify_one();
}

1
primitives/primproc/bppsendthread.h
View File

@ -118,7 +118,6 @@ class BPPSendThread
std::mutex ackLock;
std::condition_variable okToSend;
// Condition to prevent run away queue
bool respondWait;
std::mutex respondLock;
std::condition_variable okToRespond;

6
utils/threadpool/prioritythreadpool.h
View File

@ -112,7 +112,11 @@ class PriorityThreadPool
{
blockedThreads--;
}
uint32_t blockedThreadCount()
{
return blockedThreads;
}
protected:
private:
struct ThreadHelper