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https://github.com/Xahau/xahaud.git
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Format first-party source according to .clang-format
This commit is contained in:
committed by
manojsdoshi
parent
65dfc5d19e
commit
50760c6935
@@ -17,39 +17,40 @@
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*/
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//==============================================================================
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#include <ripple/core/impl/Workers.h>
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#include <ripple/basics/PerfLog.h>
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#include <ripple/beast/core/CurrentThreadName.h>
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#include <ripple/core/impl/Workers.h>
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#include <cassert>
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namespace ripple {
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Workers::Workers (
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Workers::Workers(
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Callback& callback,
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perf::PerfLog* perfLog,
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std::string const& threadNames,
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int numberOfThreads)
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: m_callback (callback)
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, perfLog_ (perfLog)
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, m_threadNames (threadNames)
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, m_allPaused (true)
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, m_semaphore (0)
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, m_numberOfThreads (0)
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, m_activeCount (0)
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, m_pauseCount (0)
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, m_runningTaskCount (0)
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: m_callback(callback)
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, perfLog_(perfLog)
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, m_threadNames(threadNames)
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, m_allPaused(true)
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, m_semaphore(0)
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, m_numberOfThreads(0)
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, m_activeCount(0)
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, m_pauseCount(0)
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, m_runningTaskCount(0)
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{
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setNumberOfThreads (numberOfThreads);
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setNumberOfThreads(numberOfThreads);
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}
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Workers::~Workers ()
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Workers::~Workers()
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{
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pauseAllThreadsAndWait ();
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pauseAllThreadsAndWait();
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deleteWorkers (m_everyone);
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deleteWorkers(m_everyone);
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}
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int Workers::getNumberOfThreads () const noexcept
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int
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Workers::getNumberOfThreads() const noexcept
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{
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return m_numberOfThreads;
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}
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@@ -58,9 +59,10 @@ int Workers::getNumberOfThreads () const noexcept
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// increase the number of threads, it could result in
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// more paused threads being created than expected.
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//
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void Workers::setNumberOfThreads (int numberOfThreads)
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void
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Workers::setNumberOfThreads(int numberOfThreads)
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{
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static int instance {0};
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static int instance{0};
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if (m_numberOfThreads != numberOfThreads)
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{
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if (perfLog_)
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@@ -74,19 +76,19 @@ void Workers::setNumberOfThreads (int numberOfThreads)
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for (int i = 0; i < amount; ++i)
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{
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// See if we can reuse a paused worker
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Worker* worker = m_paused.pop_front ();
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Worker* worker = m_paused.pop_front();
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if (worker != nullptr)
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{
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// If we got here then the worker thread is at [1]
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// This will unblock their call to wait()
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//
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worker->notify ();
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worker->notify();
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}
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else
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{
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worker = new Worker (*this, m_threadNames, instance++);
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m_everyone.push_front (worker);
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worker = new Worker(*this, m_threadNames, instance++);
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m_everyone.push_front(worker);
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}
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}
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}
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@@ -100,7 +102,7 @@ void Workers::setNumberOfThreads (int numberOfThreads)
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++m_pauseCount;
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// Pausing a thread counts as one "internal task"
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m_semaphore.notify ();
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m_semaphore.notify();
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}
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}
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@@ -108,32 +110,36 @@ void Workers::setNumberOfThreads (int numberOfThreads)
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}
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}
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void Workers::pauseAllThreadsAndWait ()
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void
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Workers::pauseAllThreadsAndWait()
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{
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setNumberOfThreads (0);
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setNumberOfThreads(0);
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std::unique_lock<std::mutex> lk{m_mut};
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m_cv.wait(lk, [this]{return m_allPaused;});
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m_cv.wait(lk, [this] { return m_allPaused; });
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lk.unlock();
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assert (numberOfCurrentlyRunningTasks () == 0);
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assert(numberOfCurrentlyRunningTasks() == 0);
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}
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void Workers::addTask ()
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void
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Workers::addTask()
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{
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m_semaphore.notify ();
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m_semaphore.notify();
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}
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int Workers::numberOfCurrentlyRunningTasks () const noexcept
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int
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Workers::numberOfCurrentlyRunningTasks() const noexcept
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{
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return m_runningTaskCount.load ();
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return m_runningTaskCount.load();
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}
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void Workers::deleteWorkers (beast::LockFreeStack <Worker>& stack)
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void
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Workers::deleteWorkers(beast::LockFreeStack<Worker>& stack)
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{
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for (;;)
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{
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Worker* const worker = stack.pop_front ();
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Worker* const worker = stack.pop_front();
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if (worker != nullptr)
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{
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@@ -149,21 +155,23 @@ void Workers::deleteWorkers (beast::LockFreeStack <Worker>& stack)
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//------------------------------------------------------------------------------
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Workers::Worker::Worker (Workers& workers, std::string const& threadName,
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Workers::Worker::Worker(
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Workers& workers,
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std::string const& threadName,
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int const instance)
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: m_workers {workers}
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, threadName_ {threadName}
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, instance_ {instance}
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, wakeCount_ {0}
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, shouldExit_ {false}
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: m_workers{workers}
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, threadName_{threadName}
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, instance_{instance}
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, wakeCount_{0}
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, shouldExit_{false}
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{
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thread_ = std::thread {&Workers::Worker::run, this};
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thread_ = std::thread{&Workers::Worker::run, this};
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}
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Workers::Worker::~Worker ()
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Workers::Worker::~Worker()
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{
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{
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std::lock_guard lock {mutex_};
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std::lock_guard lock{mutex_};
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++wakeCount_;
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shouldExit_ = true;
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}
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@@ -172,14 +180,16 @@ Workers::Worker::~Worker ()
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thread_.join();
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}
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void Workers::Worker::notify ()
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void
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Workers::Worker::notify()
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{
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std::lock_guard lock {mutex_};
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std::lock_guard lock{mutex_};
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++wakeCount_;
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wakeup_.notify_one();
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}
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void Workers::Worker::run ()
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void
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Workers::Worker::run()
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{
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bool shouldExit = true;
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do
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@@ -196,16 +206,16 @@ void Workers::Worker::run ()
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for (;;)
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{
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// Put the name back in case the callback changed it
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beast::setCurrentThreadName (threadName_);
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beast::setCurrentThreadName(threadName_);
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// Acquire a task or "internal task."
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//
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m_workers.m_semaphore.wait ();
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m_workers.m_semaphore.wait();
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// See if there's a pause request. This
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// counts as an "internal task."
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//
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int pauseCount = m_workers.m_pauseCount.load ();
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int pauseCount = m_workers.m_pauseCount.load();
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if (pauseCount > 0)
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{
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@@ -228,7 +238,7 @@ void Workers::Worker::run ()
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// unblocked in order to process a task.
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//
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++m_workers.m_runningTaskCount;
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m_workers.m_callback.processTask (instance_);
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m_workers.m_callback.processTask(instance_);
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--m_workers.m_runningTaskCount;
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}
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@@ -236,7 +246,7 @@ void Workers::Worker::run ()
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// guarantee that it will eventually block on its
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// event object.
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//
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m_workers.m_paused.push_front (this);
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m_workers.m_paused.push_front(this);
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// Decrement the count of active workers, and if we
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// are the last one then signal the "all paused" event.
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@@ -249,7 +259,7 @@ void Workers::Worker::run ()
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}
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// Set inactive thread name.
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beast::setCurrentThreadName ("(" + threadName_ + ")");
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beast::setCurrentThreadName("(" + threadName_ + ")");
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// [1] We will be here when the paused list is popped
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//
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@@ -258,13 +268,13 @@ void Workers::Worker::run ()
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//
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// wakeup_ will get signaled by either Worker::notify() or ~Worker.
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{
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std::unique_lock <std::mutex> lock {mutex_};
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wakeup_.wait (lock, [this] {return this->wakeCount_ > 0;});
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std::unique_lock<std::mutex> lock{mutex_};
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wakeup_.wait(lock, [this] { return this->wakeCount_ > 0; });
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shouldExit = shouldExit_;
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--wakeCount_;
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}
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} while (! shouldExit);
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} while (!shouldExit);
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}
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} // ripple
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} // namespace ripple
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