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Add easyWakeAndWait() to ThreadPool

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Changed usage of ThreadPool in EC::Manager to use easyWakeAndWait().
This commit is contained in:
Stephen Seo 2021-09-09 15:53:55 +09:00
parent e0a18900e4
commit f27c22675a
3 changed files with 79 additions and 71 deletions
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63
src/EC/Manager.hpp
View file

@ -771,11 +771,7 @@ namespace EC
}
}, &fnDataAr[i]);
}
threadPool->wakeThreads();
do {
std::this_thread::sleep_for(std::chrono::microseconds(200));
} while(!threadPool->isQueueEmpty()
|| !threadPool->isAllThreadsWaiting());
threadPool->easyWakeAndWait();
}
}
@ -892,11 +888,7 @@ namespace EC
}
}, &fnDataAr[i]);
}
threadPool->wakeThreads();
do {
std::this_thread::sleep_for(std::chrono::microseconds(200));
} while(!threadPool->isQueueEmpty()
|| !threadPool->isAllThreadsWaiting());
threadPool->easyWakeAndWait();
}
}
@ -1037,12 +1029,7 @@ namespace EC
}
}, &fnDataAr[i]);
}
threadPool->wakeThreads();
do {
std::this_thread::sleep_for(
std::chrono::microseconds(200));
} while(!threadPool->isQueueEmpty()
|| !threadPool->isAllThreadsWaiting());
threadPool->easyWakeAndWait();
}
})));
@ -1117,11 +1104,7 @@ namespace EC
}
}, &fnDataAr[i]);
}
threadPool->wakeThreads();
do {
std::this_thread::sleep_for(std::chrono::microseconds(200));
} while(!threadPool->isQueueEmpty()
|| !threadPool->isAllThreadsWaiting());
threadPool->easyWakeAndWait();
}
return matchingV;
@ -1494,11 +1477,7 @@ namespace EC
}
}, &fnDataAr[i]);
}
threadPool->wakeThreads();
do {
std::this_thread::sleep_for(std::chrono::microseconds(200));
} while(!threadPool->isQueueEmpty()
|| !threadPool->isAllThreadsWaiting());
threadPool->easyWakeAndWait();
}
// call functions on matching entities
@ -1560,12 +1539,7 @@ namespace EC
}
}, &fnDataAr[i]);
}
threadPool->wakeThreads();
do {
std::this_thread::sleep_for(
std::chrono::microseconds(200));
} while(!threadPool->isQueueEmpty()
|| !threadPool->isAllThreadsWaiting());
threadPool->easyWakeAndWait();
}
}
);
@ -1703,11 +1677,7 @@ namespace EC
}
}, &fnDataAr[i]);
}
threadPool->wakeThreads();
do {
std::this_thread::sleep_for(std::chrono::microseconds(200));
} while(!threadPool->isQueueEmpty()
|| !threadPool->isAllThreadsWaiting());
threadPool->easyWakeAndWait();
}
// call functions on matching entities
@ -1774,12 +1744,7 @@ namespace EC
}
}, &fnDataAr[i]);
}
threadPool->wakeThreads();
do {
std::this_thread::sleep_for(
std::chrono::microseconds(200));
} while(!threadPool->isQueueEmpty()
|| !threadPool->isAllThreadsWaiting());
threadPool->easyWakeAndWait();
}
}
);
@ -1857,11 +1822,7 @@ namespace EC
}
}, &fnDataAr[i]);
}
threadPool->wakeThreads();
do {
std::this_thread::sleep_for(std::chrono::microseconds(200));
} while(!threadPool->isQueueEmpty()
|| !threadPool->isAllThreadsWaiting());
threadPool->easyWakeAndWait();
}
}
@ -1950,11 +1911,7 @@ namespace EC
}
}, &fnDataAr[i]);
}
threadPool->wakeThreads();
do {
std::this_thread::sleep_for(std::chrono::microseconds(200));
} while(!threadPool->isQueueEmpty()
|| !threadPool->isAllThreadsWaiting());
threadPool->easyWakeAndWait();
}
}
};

60
src/EC/ThreadPool.hpp
View file

@ -117,24 +117,7 @@ public:
cv.notify_one();
}
} else {
// pull functions from queue and run them on main thread
Internal::TPTupleType fnTuple;
bool hasFn;
do {
{
std::lock_guard<std::mutex> lock(queueMutex);
if(!fnQueue.empty()) {
hasFn = true;
fnTuple = fnQueue.front();
fnQueue.pop();
} else {
hasFn = false;
}
}
if(hasFn) {
std::get<0>(fnTuple)(std::get<1>(fnTuple));
}
} while(hasFn);
sequentiallyRunTasks();
}
}
@ -179,6 +162,26 @@ public:
return SIZE;
}
/*!
\brief Wakes all threads and blocks until all queued tasks are finished.
If SIZE is less than 2, then this function call will block until all the
queued functions have been executed on the calling thread.
If SIZE is 2 or greater, then this function will block until all the
queued functions have been executed by the threads in the thread pool.
*/
void easyWakeAndWait() {
if(SIZE >= 2) {
wakeThreads();
do {
std::this_thread::sleep_for(std::chrono::microseconds(150));
} while(!isQueueEmpty() || !isAllThreadsWaiting());
} else {
sequentiallyRunTasks();
}
}
private:
std::vector<std::thread> threads;
std::atomic_bool isAlive;
@ -189,6 +192,27 @@ private:
int waitCount;
std::mutex waitCountMutex;
void sequentiallyRunTasks() {
// pull functions from queue and run them on current thread
Internal::TPTupleType fnTuple;
bool hasFn;
do {
{
std::lock_guard<std::mutex> lock(queueMutex);
if(!fnQueue.empty()) {
hasFn = true;
fnTuple = fnQueue.front();
fnQueue.pop();
} else {
hasFn = false;
}
}
if(hasFn) {
std::get<0>(fnTuple)(std::get<1>(fnTuple));
}
} while(hasFn);
}
};
} // namespace EC

27
src/test/ThreadPoolTest.cpp
View file

@ -77,3 +77,30 @@ TEST(ECThreadPool, QueryCount) {
ASSERT_EQ(3, threeP.getThreadCount());
}
}
TEST(ECThreadPool, easyWakeAndWait) {
std::atomic_int data;
data.store(0);
{
OneThreadPool oneP;
for(unsigned int i = 0; i < 20; ++i) {
oneP.queueFn([] (void *ud) {
auto *atomicInt = static_cast<std::atomic_int*>(ud);
atomicInt->fetch_add(1);
}, &data);
}
oneP.easyWakeAndWait();
EXPECT_EQ(20, data.load());
}
{
ThreeThreadPool threeP;
for(unsigned int i = 0; i < 20; ++i) {
threeP.queueFn([] (void *ud) {
auto *atomicInt = static_cast<std::atomic_int*>(ud);
atomicInt->fetch_add(1);
}, &data);
}
threeP.easyWakeAndWait();
EXPECT_EQ(40, data.load());
}
}