1622 lines
48 KiB
C++
1622 lines
48 KiB
C++
/***
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Copyright (C) 2022 J Reece Wilson (a/k/a "Reece"). All rights reserved.
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File: LoopQueue.NT.cpp
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Date: 2022-1-8
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Author: Reece
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Note: Win32 sewage lmao
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***/
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#include <Source/RuntimeInternal.hpp>
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#include "Loop.NT.hpp"
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#include "ILoopSourceEx.hpp"
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#include "LSWin32.NT.hpp"
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#include "LoopQueue.NT.hpp"
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static bool WaitToRetStatus(DWORD ret)
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{
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return !((ret == WAIT_TIMEOUT) ||
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(ret == WAIT_IO_COMPLETION) ||
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(ret == WAIT_FAILED));
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}
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static bool WaitStatusFromAligned(DWORD ret, bool active)
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{
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return (WaitToRetStatus(ret) && ((active) || (ret != WAIT_OBJECT_0 /*lock releaser*/)));
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}
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namespace Aurora::IO::Loop
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{
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void ResetLoopSourceFalseAlarm(const AuSPtr<Loop::ILoopSource> &pLoopSource);
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//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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// Loop Queue :: Extended Handle
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//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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LoopQueue::ExtendedSourceInfo::ExtendedSourceInfo(const AuSPtr<ILoopSourceEx> &in) : source(in), timeoutAbs(0)
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{
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}
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bool LoopQueue::ExtendedSourceInfo::ConsiderTimeout(AuUInt64 time) const
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{
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if (!this->timeoutAbs)
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{
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return false;
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}
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if (time < this->timeoutAbs)
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{
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return false;
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}
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for (const auto &handler : callbacks.extended)
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{
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try
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{
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handler->OnTimeout(sourceBase);
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}
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catch (...)
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{
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SysPushErrorCatch();
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}
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}
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return true;
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}
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AuPair<bool, bool> LoopQueue::ExtendedSourceInfo::DoWork(LoopQueue *queue, AuUInt handle)
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{
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bool bShouldRemove {true};
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AuUInt8 uPosition {};
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if (this->source && handle != -1)
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{
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if (!this->source->OnTrigger(handle))
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{
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return {};
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}
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}
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bool bOverload {};
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{
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AU_LOCK_GUARD(&this->lock);
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if ((this->callbacks.base.empty()) &&
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(this->callbacks.extended.empty()))
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{
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bOverload = true;
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}
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// Notify callbacks...
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for (auto itr = this->callbacks.extended.begin();
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itr != this->callbacks.extended.end(); )
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{
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bool result;
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auto handler = *itr;
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try
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{
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AU_DEBUG_REVERSE_MEMCRUNCH;
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result = handler->OnFinished(this->sourceBase, uPosition++);
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}
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catch (...)
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{
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SysPushErrorCatch();
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}
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bShouldRemove &= result;
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if (result)
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{
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itr = this->callbacks.extended.erase(itr);
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}
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else
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{
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itr++;
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}
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}
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for (auto itr = this->callbacks.base.begin();
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itr != this->callbacks.base.end(); )
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{
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bool result;
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auto handler = *itr;
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try
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{
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AU_DEBUG_REVERSE_MEMCRUNCH;
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result = handler->OnFinished(this->sourceBase);
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}
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catch (...)
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{
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SysPushErrorCatch();
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}
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bShouldRemove &= result;
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if (result)
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{
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itr = this->callbacks.base.erase(itr);
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}
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else
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{
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itr++;
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}
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}
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}
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// Evict when subs count hit zero, not when sub count started off at zero
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if (bOverload)
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{
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bShouldRemove = false;
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}
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// Notify global subscribers, allowing them to preempt removal
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if (bShouldRemove || bOverload)
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{
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AU_LOCK_GUARD(queue->sourceMutex_);
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for (const auto &handler : queue->globalSubcribers_)
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{
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try
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{
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AU_DEBUG_REVERSE_MEMCRUNCH;
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bShouldRemove &= handler->OnFinished(this->sourceBase);
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}
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catch (...)
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{
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SysPushErrorCatch();
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}
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}
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}
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return AuMakePair(true, bShouldRemove);
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}
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//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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// Loop Queue
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//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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LoopQueue::LoopQueue()
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{
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this->hEvent_ = ::CreateEventW(NULL, true, false, NULL);
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this->hDummy_ = ::CreateEventW(NULL, true, true, NULL);
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}
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LoopQueue::~LoopQueue()
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{
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AuWin32CloseHandle(this->hEvent_);
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AuWin32CloseHandle(this->hDummy_);
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}
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bool LoopQueue::Init()
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{
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return true;
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}
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bool LoopQueue::IsValid()
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{
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return this->hEvent_ != INVALID_HANDLE_VALUE && this->handleArrayOr_.size() && this->handleArrayAnd_.size();
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}
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struct LoopJoinable
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{
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LoopQueue *that;
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void Lock()
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{
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that->Sync();
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}
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bool TryLock()
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{
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return that->Sync2();
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}
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void Unlock()
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{
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that->Unlock();
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}
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};
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void LoopQueue::Sync()
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{
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if (this->hEvent_ == INVALID_HANDLE_VALUE)
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{
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this->rwMutex_->AsWritable()->Lock();
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return;
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}
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::SetEvent(this->hEvent_);
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this->rwMutex_->AsWritable()->Lock();
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::ResetEvent(this->hEvent_);
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}
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bool LoopQueue::Sync2()
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{
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if (this->hEvent_ != INVALID_HANDLE_VALUE)
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{
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::SetEvent(this->hEvent_);
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}
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if (!this->rwMutex_->AsWritable()->TryLock())
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{
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return false;
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}
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if (this->hEvent_ != INVALID_HANDLE_VALUE)
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{
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::ResetEvent(this->hEvent_);
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}
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return true;
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}
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void LoopQueue::Unlock()
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{
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this->rwMutex_->AsWritable()->Unlock();
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}
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bool LoopQueue::SourceAdd(const AuSPtr<ILoopSource> &source)
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{
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AU_LOCK_GUARD(this->sourceMutex_);
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if (!AuTryInsert(this->addedSources_, AuMakeTuple(source, 0, SourceCallbacks {})))
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{
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return false;
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}
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return true;
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}
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bool LoopQueue::SourceAddWithTimeout(const AuSPtr<ILoopSource> &source, AuUInt32 maxTimeout)
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{
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AU_LOCK_GUARD(this->sourceMutex_);
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if (!AuTryInsert(this->addedSources_, AuMakeTuple(source, AuTime::SteadyClockMS() + maxTimeout, SourceCallbacks {})))
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{
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return false;
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}
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return true;
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}
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bool LoopQueue::SourceRemove(const AuSPtr<ILoopSource> &source)
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{
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AU_LOCK_GUARD(this->sourceMutex_);
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return AuTryInsert(this->removedSources_, source) || AuTryRemoveByTupleN<0>(this->addedSources_, source);
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}
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bool LoopQueue::RemoveSourceNB(const AuSPtr<ILoopSource> &source)
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{
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if (source->GetType() == ELoopSource::eSourceWin32)
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{
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this->msgSource_.reset();
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this->msgCallbacks_ = {};
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this->bIsWinLoop_ = false;
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return {};
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}
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bool bRebuildFromAnd {};
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Iterator queueIterator(this);
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for (queueIterator.Start();
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queueIterator.End() != queueIterator.itr; )
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{
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if (queueIterator.itr->sourceBase == source)
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{
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if (queueIterator.itr->source)
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{
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auto count = queueIterator.itr->source->Singular() ? 1 : queueIterator.itr->source->GetHandles().size();
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if (this->handleArrayOr_.size() <= MAXIMUM_WAIT_OBJECTS)
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{
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AuRemoveRange(this->handleArrayOr_, queueIterator.startingIndexOr, count);
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AuRemoveRange(this->handleArrayAnd_, queueIterator.startingIndexAnd, count);
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}
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else
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{
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bRebuildFromAnd = true;
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AuRemoveRange(this->handleArrayAnd_, queueIterator.startingIndexAnd, count);
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}
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queueIterator.Delete(this->loopSourceExs_.erase(queueIterator.itr));
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break;
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}
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else
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{
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queueIterator.Delete(this->loopSourceExs_.erase(queueIterator.itr));
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break;
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}
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}
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queueIterator.Next();
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}
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return bRebuildFromAnd;
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}
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bool LoopQueue::Commit()
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{
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if (this->isCommitableInFuture_)
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{
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this->willCommitInFuture_ = true;
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return true;
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}
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LoopJoinable joinable {this};
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AU_TRY_LOCK_GUARD_RET_DEF(joinable);
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return CommitLocked();
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}
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void LoopQueue::BuildFromAndArray()
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{
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this->handleArrayOr_.clear();
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this->handleArrayOr_.reserve(this->handleArrayAnd_.size() + 16);
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for (int i = 0; i < this->handleArrayAnd_.size(); i++)
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{
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if (((this->handleArrayOr_.size() % MAXIMUM_WAIT_OBJECTS)) == 0)
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{
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this->handleArrayOr_.push_back(this->hEvent_);
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}
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this->handleArrayOr_.push_back(this->handleArrayAnd_[i]);
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}
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}
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bool LoopQueue::CommitLocked()
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{
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try
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{
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AU_DEBUG_MEMCRUNCH;
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AU_LOCK_GUARD(this->sourceMutex_);
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bool bShouldRebuild {};
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for (const auto &re : this->removedSources_)
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{
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bShouldRebuild |= this->RemoveSourceNB(re);
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}
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// Reserve the cache arrays for initialization
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this->loopSourceExs_.reserve(this->loopSourceExs_.size() + this->addedSources_.size());
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this->handleArrayAnd_.reserve(this->loopSourceExs_.size() + this->addedSources_.size());
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this->handleArrayOr_.reserve(this->loopSourceExs_.size() + this->addedSources_.size());
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bShouldRebuild |= bool(this->addedSources_.size());
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//
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for (auto &[source, timeout, callbacks] : this->addedSources_)
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{
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// Filter bad sources
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if (!source)
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{
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continue;
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}
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// Win32 edge case
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if (source->GetType() == ELoopSource::eSourceWin32)
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{
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this->bIsWinLoop_ = true;
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this->msgSource_ = source;
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this->msgCallbacks_ = AuMove(callbacks);
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continue;
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}
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// Handle known ILoopSourceEx handle objects
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if (auto extended = AuDynamicCast<ILoopSourceEx>(source))
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{
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ExtendedSourceInfo t {extended};
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t.timeoutAbs = timeout;
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t.sourceBase = source;
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t.source = extended;
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t.callbacks = AuMove(callbacks);
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this->loopSourceExs_.push_back(t);
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if (extended->Singular())
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{
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const auto handle = extended->GetHandle();
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auto nthandle = reinterpret_cast<HANDLE>(handle);
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this->handleArrayAnd_.push_back(nthandle);
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}
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else
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{
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for (const auto &handle : extended->GetHandles())
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{
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auto nthandle = reinterpret_cast<HANDLE>(handle);
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this->handleArrayAnd_.push_back(nthandle);
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}
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}
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}
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}
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for (const auto &re : this->removedSources_)
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{
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bShouldRebuild |= this->RemoveSourceNB(re);
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}
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AuTryClear(this->addedSources_);
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AuTryClear(this->removedSources_);
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if (bShouldRebuild)
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{
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BuildFromAndArray();
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}
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return true;
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}
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catch (...)
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{
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return {};
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}
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}
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AuUInt32 LoopQueue::GetSourceCount()
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{
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return this->loopSourceExs_.size();
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}
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void LoopQueue::ChugPathConfigure(AuUInt32 sectionTickTime, AuSInt sectionDequeCount)
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{
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this->slowTickRate_ = AuMin(sectionDequeCount, AuSInt(MAXIMUM_WAIT_OBJECTS));
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this->slowTickMs_ = sectionTickTime ? sectionTickTime : 1;
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}
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void LoopQueue::ChugHint(bool value)
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{
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this->forceChug_ = value;
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}
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bool LoopQueue::AddCallback(const AuSPtr<ILoopSource> &source, const AuSPtr<ILoopSourceSubscriber> &subscriber)
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{
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AU_LOCK_GUARD(this->rwMutex_->AsReadable());
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if (!source)
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{
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SysPushErrorArg();
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return {};
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}
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if (!subscriber)
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{
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SysPushErrorArg();
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return {};
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}
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AuUInt32 count {};
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for (auto &sourceEx : this->loopSourceExs_)
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{
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if (sourceEx.sourceBase != source)
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{
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continue;
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}
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AU_LOCK_GUARD(sourceEx.lock);
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if (!AuTryInsert(sourceEx.callbacks.base, subscriber))
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{
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return {};
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}
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count++;
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}
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if (!count)
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{
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AU_LOCK_GUARD(this->sourceMutex_);
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for (auto &[innerSource, timeout, callbacks] : this->addedSources_)
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{
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if (innerSource == source)
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{
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if (!AuTryInsert(callbacks.base, subscriber))
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{
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return {};
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}
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count++;
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}
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}
|
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}
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if (source->GetType() == ELoopSource::eSourceWin32)
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{
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AU_LOCK_GUARD(this->sourceMutex_);
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return AuTryInsert(this->msgCallbacks_.base, subscriber);
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}
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return count;
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}
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bool LoopQueue::AddCallbackEx(const AuSPtr<ILoopSource> &source, const AuSPtr<ILoopSourceSubscriberEx> &subscriber)
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{
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AU_LOCK_GUARD(this->rwMutex_->AsReadable());
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|
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if (!source)
|
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{
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SysPushErrorArg();
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return {};
|
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}
|
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|
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if (!subscriber)
|
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{
|
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SysPushErrorArg();
|
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return {};
|
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}
|
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|
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|
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AuUInt32 count {};
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for (auto &sourceEx : this->loopSourceExs_)
|
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{
|
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if (sourceEx.sourceBase != source)
|
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{
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continue;
|
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}
|
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|
|
// IMPORTANT: Soft-locks on this line, whose stack traces contain ExtendedSourceInfo::DoWork, are
|
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// a re-add during io-tick before removal condition.
|
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AU_LOCK_GUARD(sourceEx.lock);
|
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if (!AuTryInsert(sourceEx.callbacks.extended, subscriber))
|
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{
|
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return {};
|
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}
|
|
|
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count++;
|
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}
|
|
|
|
if (!count)
|
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{
|
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AU_LOCK_GUARD(this->sourceMutex_);
|
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for (auto &[innerSource, timeout, callbacks] : this->addedSources_)
|
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{
|
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if (innerSource == source)
|
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{
|
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if (!AuTryInsert(callbacks.extended, subscriber))
|
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{
|
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return {};
|
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}
|
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count++;
|
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}
|
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}
|
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}
|
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|
|
if (source->GetType() == ELoopSource::eSourceWin32)
|
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{
|
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AU_LOCK_GUARD(this->sourceMutex_);
|
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return AuTryInsert(this->msgCallbacks_.extended, subscriber);
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}
|
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return count;
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}
|
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|
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bool LoopQueue::AddCallback(const AuSPtr<ILoopSourceSubscriber> &subscriber)
|
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{
|
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AU_LOCK_GUARD(rwMutex_->AsReadable());
|
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|
|
if (!subscriber)
|
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{
|
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SysPushErrorArg();
|
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return {};
|
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}
|
|
|
|
|
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AU_LOCK_GUARD(this->sourceMutex_);
|
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return AuTryInsert(this->globalSubcribers_, subscriber);
|
|
}
|
|
|
|
bool LoopQueue::IsSignaledPeek()
|
|
{
|
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AuUInt32 askers {};
|
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bool bAskers {};
|
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return WaitAnyNBSpurious(0, askers, nullptr, true, bAskers);
|
|
}
|
|
|
|
bool LoopQueue::WaitAll(AuUInt32 timeout)
|
|
{
|
|
AU_DEBUG_MEMCRUNCH;
|
|
|
|
AU_LOCK_GUARD(this->rwMutex_->AsReadable());
|
|
|
|
for (const auto &source : this->loopSourceExs_)
|
|
{
|
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source.source->OnPresleep();
|
|
}
|
|
|
|
bool bFinished {};
|
|
auto bRet = WaitAllEx(timeout, bFinished);
|
|
|
|
if (!bFinished)
|
|
{
|
|
for (const auto &source : this->loopSourceExs_)
|
|
{
|
|
source.source->OnFinishSleep();
|
|
}
|
|
}
|
|
|
|
return bRet;
|
|
}
|
|
|
|
bool LoopQueue::WaitAllEx(AuUInt32 timeout, bool &bFinished)
|
|
{
|
|
bool bReturnStatus {false};
|
|
bool bTimeout {false};
|
|
AuUInt32 count {};
|
|
AuUInt32 index {};
|
|
|
|
if (this->handleArrayAnd_.empty())
|
|
{
|
|
return true;
|
|
}
|
|
|
|
count = this->handleArrayAnd_.size();
|
|
|
|
AuUInt64 startTime = AuTime::SteadyClockNS();
|
|
AuUInt64 endTime = timeout ? startTime + AuMSToNS<AuUInt64>(timeout) : 0;
|
|
|
|
while (count != index)
|
|
{
|
|
auto next = AuMin(count - index, AuUInt32(MAXIMUM_WAIT_OBJECTS));
|
|
|
|
startTime = AuTime::SteadyClockNS();
|
|
|
|
AuUInt32 timeDelta {};
|
|
|
|
if (!timeout)
|
|
{
|
|
timeDelta = INFINITE;
|
|
}
|
|
else
|
|
{
|
|
if (endTime > startTime)
|
|
{
|
|
timeDelta = AuNSToMS<AuUInt32>(endTime - startTime);
|
|
}
|
|
else if (endTime == startTime)
|
|
{
|
|
|
|
}
|
|
else
|
|
{
|
|
Iterator queueIterator(this);
|
|
for (queueIterator.Start(); queueIterator.End() != queueIterator.itr; )
|
|
{
|
|
auto &source = *queueIterator.itr;
|
|
|
|
if (queueIterator.startingIndexAnd >= index)
|
|
{
|
|
break;
|
|
}
|
|
|
|
ResetLoopSourceFalseAlarm(queueIterator.itr->source);
|
|
|
|
queueIterator.Next();
|
|
}
|
|
|
|
if (!StartUserAndTakeOwn())
|
|
{
|
|
return false;
|
|
}
|
|
|
|
ConsiderEvicitingTimeoutsAll();
|
|
StartUserAndTakeOwn_Release();
|
|
bFinished = true;
|
|
return false;
|
|
}
|
|
|
|
if (!timeDelta)
|
|
{
|
|
timeDelta = 1;
|
|
}
|
|
}
|
|
|
|
DWORD status {};
|
|
do
|
|
{
|
|
if (this->bIsWinLoop_ &&
|
|
pMsgWaitForMultipleObjectsEx)
|
|
{
|
|
status = pMsgWaitForMultipleObjectsEx(next, this->handleArrayAnd_.data() + index, timeDelta, QS_ALLPOSTMESSAGE | QS_ALLINPUT | QS_ALLEVENTS, MWMO_INPUTAVAILABLE | MWMO_ALERTABLE | MWMO_WAITALL);
|
|
}
|
|
else
|
|
{
|
|
status = ::WaitForMultipleObjectsEx(next, this->handleArrayAnd_.data() + index, true, timeDelta, true);
|
|
}
|
|
}
|
|
while (status == WAIT_IO_COMPLETION);
|
|
|
|
if (status == WAIT_OBJECT_0 + next)
|
|
{
|
|
TryPumpWin32();
|
|
continue;
|
|
}
|
|
|
|
if (WaitToRetStatus(status))
|
|
{
|
|
index += (status + 1);
|
|
continue;
|
|
}
|
|
|
|
// Account for win32 failures
|
|
if (status == WAIT_FAILED)
|
|
{
|
|
bReturnStatus = false;
|
|
break;
|
|
}
|
|
|
|
// Ingore the other unrelated errors (APC notification, timeout, etc)
|
|
}
|
|
|
|
// OK - All signals are set
|
|
|
|
// Take ownership of the queue ready for a potential purge of objects
|
|
if (!StartUserAndTakeOwn())
|
|
{
|
|
StartUserAndTakeOwn_Release();
|
|
bFinished = true;
|
|
return bReturnStatus;
|
|
}
|
|
|
|
// Le great iterate
|
|
Iterator queueIterator(this);
|
|
AuSInt indexOffset {};
|
|
auto now = AuTime::SteadyClockMS();
|
|
for (queueIterator.Start(); queueIterator.End() != queueIterator.itr; )
|
|
{
|
|
auto &source = *queueIterator.itr;
|
|
|
|
auto [ticked, bShouldRemove] = source.DoWork(this, source.source->Singular() ? source.source->GetHandle() : source.source->GetHandles()[0]);
|
|
|
|
if (!bShouldRemove && source.ConsiderTimeout(now))
|
|
{
|
|
bShouldRemove = true;
|
|
}
|
|
|
|
if (this->handleArrayOr_[queueIterator.startingIndexOr] == AuReinterpretCast<HANDLE>(this->hDummy_))
|
|
{
|
|
auto handle = AuReinterpretCast<HANDLE>(source.source->Singular() ? source.source->GetHandle() : source.source->GetHandles()[0]);
|
|
this->handleArrayAnd_[queueIterator.startingIndexAnd] = handle;
|
|
this->handleArrayOr_[queueIterator.startingIndexOr] = handle;
|
|
}
|
|
|
|
if (!bShouldRemove && !ticked)
|
|
{
|
|
bool bCompletedInTimeout = { };
|
|
AuUInt64 uStartTime {};
|
|
|
|
do
|
|
{
|
|
if (!source.timeoutAbs)
|
|
{
|
|
bCompletedInTimeout = source.source->WaitOnAbsExt(0, endTime);
|
|
}
|
|
else
|
|
{
|
|
bCompletedInTimeout = source.source->WaitOnAbsExt(0, !endTime ? AuMSToNS<AuUInt64>(source.timeoutAbs) : AuMin(endTime, AuMSToNS<AuUInt64>(source.timeoutAbs)));
|
|
}
|
|
|
|
if (bCompletedInTimeout)
|
|
{
|
|
AuTupleTie(ticked, bShouldRemove) = source.DoWork(this, -1);
|
|
if (!ticked)
|
|
{
|
|
bCompletedInTimeout = false;
|
|
}
|
|
}
|
|
}
|
|
while (!bCompletedInTimeout && (!timeout || ((uStartTime = AuTime::SteadyClockNS()) < endTime)));
|
|
|
|
if (!bCompletedInTimeout)
|
|
{
|
|
Iterator queueIterator2(this);
|
|
for (queueIterator2.Start(); queueIterator2.End() != queueIterator2.itr; )
|
|
{
|
|
auto &source = *queueIterator2.itr;
|
|
|
|
if (queueIterator2.startingIndexAnd >= index)
|
|
{
|
|
break;
|
|
}
|
|
|
|
if (queueIterator2.itr->source)
|
|
{
|
|
ResetLoopSourceFalseAlarm(queueIterator2.itr->source);
|
|
}
|
|
|
|
queueIterator2.Next();
|
|
}
|
|
|
|
if (StartUserAndTakeOwn())
|
|
{
|
|
ConsiderEvicitingTimeoutsAll();
|
|
StartUserAndTakeOwn_Release();
|
|
}
|
|
|
|
return false;
|
|
}
|
|
else
|
|
{
|
|
ticked = true;
|
|
}
|
|
}
|
|
|
|
if (ticked)
|
|
{
|
|
bReturnStatus |= true;
|
|
}
|
|
|
|
if (bShouldRemove)
|
|
{
|
|
AuStaticCast<ILoopSourceEx>(source.source)->OnFinishSleep();
|
|
|
|
if (source.source->GetType() == ELoopSource::eSourceWin32)
|
|
{
|
|
SysPanic("?");
|
|
}
|
|
else
|
|
{
|
|
AuUInt uHandles = (source.source->Singular() ? 1 : source.source->GetHandles().size());
|
|
int sOffset = -((int)uHandles);
|
|
if (this->handleArrayOr_.size() > MAXIMUM_WAIT_OBJECTS)
|
|
{
|
|
this->RemoveSourceNB(source.source);
|
|
this->willCommitInFuture_ = true;
|
|
}
|
|
else
|
|
{
|
|
AuRemoveRange(this->handleArrayOr_, queueIterator.startingIndexOr + indexOffset, uHandles);
|
|
AuRemoveRange(this->handleArrayAnd_, queueIterator.startingIndexAnd + indexOffset, uHandles);
|
|
queueIterator.Delete(this->loopSourceExs_.erase(queueIterator.itr));
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
//else
|
|
{
|
|
queueIterator.Next();
|
|
}
|
|
}
|
|
|
|
bFinished = true;
|
|
StartUserAndTakeOwn_Release();
|
|
|
|
return bReturnStatus;
|
|
}
|
|
|
|
AuUInt32 LoopQueue::WaitAny(AuUInt32 timeout)
|
|
{
|
|
AuUInt32 ret {};
|
|
bool lastItr {};
|
|
|
|
AuUInt64 startTime = AuTime::SteadyClockMS();
|
|
AuUInt64 endTime = timeout ? (startTime + timeout) : AuUInt64(-1);
|
|
AuUInt32 chuggerIndex {};
|
|
bool bTriggerWin32 {};
|
|
|
|
do
|
|
{
|
|
if (WaitAnyNBSpurious(endTime, chuggerIndex, nullptr, false, bTriggerWin32))
|
|
{
|
|
ret++;
|
|
}
|
|
|
|
PumpHooks();
|
|
}
|
|
while (!bTriggerWin32 &&
|
|
!ret &&
|
|
WaitForSingleObject(this->hEvent_, 0) == WAIT_OBJECT_0);
|
|
|
|
return ret;
|
|
}
|
|
|
|
AuList<AuSPtr<ILoopSource>> LoopQueue::WaitAnyEx(AuUInt32 timeout)
|
|
{
|
|
AuList<AuSPtr<ILoopSource>> trigger;
|
|
|
|
AuUInt64 startTime = AuTime::SteadyClockMS();
|
|
AuUInt64 endTime = timeout ? (startTime + timeout) : AuUInt64(-1);
|
|
AuUInt32 chuggerIndex {};
|
|
bool bTriggerWin32 {};
|
|
|
|
do
|
|
{
|
|
if (WaitAnyNBSpurious(endTime, chuggerIndex, &trigger, false, bTriggerWin32))
|
|
{
|
|
return trigger;
|
|
}
|
|
|
|
PumpHooks();
|
|
}
|
|
while (!bTriggerWin32 &&
|
|
WaitForSingleObject(this->hEvent_, 0) == WAIT_OBJECT_0);
|
|
|
|
return trigger;
|
|
}
|
|
|
|
AuUInt32 LoopQueue::PumpNonblocking()
|
|
{
|
|
AuUInt32 ret {};
|
|
bool lastItr {};
|
|
|
|
bool bTriggerWin32 {};
|
|
AuUInt32 chuggerIndex {};
|
|
|
|
do
|
|
{
|
|
if (WaitAnyNBSpurious(0, chuggerIndex, nullptr, false, bTriggerWin32))
|
|
{
|
|
ret++;
|
|
}
|
|
|
|
PumpHooks();
|
|
}
|
|
while (!bTriggerWin32 &&
|
|
!ret &&
|
|
WaitForSingleObject(this->hEvent_, 0) == WAIT_OBJECT_0);
|
|
|
|
return ret;
|
|
}
|
|
|
|
AuList<AuSPtr<ILoopSource>> LoopQueue::PumpNonblockingEx()
|
|
{
|
|
AuList<AuSPtr<ILoopSource>> trigger;
|
|
AuUInt32 chuggerIndex {};
|
|
bool bTriggerWin32 {};
|
|
|
|
do
|
|
{
|
|
if (WaitAnyNBSpurious(0, chuggerIndex, &trigger, false, bTriggerWin32))
|
|
{
|
|
return trigger;
|
|
}
|
|
PumpHooks();
|
|
}
|
|
while (!bTriggerWin32 &&
|
|
WaitForSingleObject(this->hEvent_, 0) == WAIT_OBJECT_0);
|
|
|
|
return trigger;
|
|
}
|
|
|
|
bool LoopQueue::ChugWaitAny(AuUInt64 internalEndTime, AuUInt32 &chuggerIndex, AuUInt32 &indexOfTriggered)
|
|
{
|
|
AuUInt32 count {};
|
|
AuUInt32 &index {chuggerIndex};
|
|
|
|
count = this->handleArrayOr_.size();
|
|
indexOfTriggered = -1;
|
|
|
|
if (index > count) index = 0;
|
|
bool active = this->hEvent_ == INVALID_HANDLE_VALUE;
|
|
|
|
|
|
while (count != index)
|
|
{
|
|
auto next = AuMin(count - index, AuUInt32(MAXIMUM_WAIT_OBJECTS));
|
|
|
|
auto sleepMS = this->slowTickMs_;
|
|
if (internalEndTime && internalEndTime != AuUInt64(-1))
|
|
{
|
|
auto now = AuTime::SteadyClockMS();
|
|
auto delta = AuInt64(internalEndTime) - AuInt64(now);
|
|
|
|
if (delta <= 0)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
sleepMS = AuMin(sleepMS, AuUInt32(delta));
|
|
}
|
|
|
|
DWORD status {};
|
|
if (this->bIsWinLoop_ &&
|
|
pMsgWaitForMultipleObjectsEx)
|
|
{
|
|
do
|
|
{
|
|
status = pMsgWaitForMultipleObjectsEx(next, this->handleArrayOr_.data() + index, sleepMS, QS_ALLINPUT | QS_ALLPOSTMESSAGE, MWMO_ALERTABLE);
|
|
|
|
{
|
|
auto temp2 = status;
|
|
while (temp2 == WAIT_IO_COMPLETION)
|
|
{
|
|
temp2 = SleepEx(0, true);
|
|
}
|
|
}
|
|
}
|
|
while (status == WAIT_IO_COMPLETION);
|
|
|
|
if (status == next)
|
|
{
|
|
indexOfTriggered = this->handleArrayOr_.size();
|
|
return true;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
do
|
|
{
|
|
if (pNtWaitForMultipleObjects)
|
|
{
|
|
AuUInt64 uTimeout = -(AuMSToNS<AuUInt64>(1) / 2ull / 100ull);
|
|
if (AuSwInfo::IsWindows10OrGreater())
|
|
{
|
|
uTimeout /= 2ull;
|
|
}
|
|
status = pNtWaitForMultipleObjects(next, this->handleArrayOr_.data() + index, (_OBJECT_WAIT_TYPE)1, TRUE, &uTimeout);
|
|
}
|
|
else
|
|
{
|
|
status = ::WaitForMultipleObjectsEx(next, this->handleArrayOr_.data() + index, false, sleepMS, true);
|
|
}
|
|
}
|
|
while (status == WAIT_IO_COMPLETION);
|
|
}
|
|
|
|
if (WaitStatusFromAligned(status, active))
|
|
{
|
|
DWORD offset = status - WAIT_OBJECT_0;
|
|
indexOfTriggered = offset + index;
|
|
return true;
|
|
}
|
|
|
|
if (status == WAIT_OBJECT_0 && !active)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if (status == WAIT_FAILED)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
index += count;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool LoopQueue::WaitAnyNBSpurious(AuUInt64 internalEndTime, AuUInt32 &chuggerIndex, AuList<AuSPtr<ILoopSource>> *trigger, bool poll, bool &bTriggerWin32)
|
|
{
|
|
AU_DEBUG_MEMCRUNCH;
|
|
|
|
AU_LOCK_GUARD(this->rwMutex_->AsReadable()); // the spurious wake up comes from an event that tells all to release me
|
|
|
|
for (const auto &source : this->loopSourceExs_)
|
|
{
|
|
source.source->OnPresleep();
|
|
}
|
|
|
|
bool bFinished {};
|
|
auto bRet = WaitAnyNBSpuriousEx(internalEndTime, chuggerIndex, trigger, poll, bTriggerWin32, bFinished);
|
|
|
|
if (!bFinished)
|
|
{
|
|
for (const auto &source : this->loopSourceExs_)
|
|
{
|
|
source.source->OnFinishSleep();
|
|
}
|
|
}
|
|
|
|
return bRet;
|
|
}
|
|
|
|
bool LoopQueue::WaitAnyNBSpuriousEx(AuUInt64 internalEndTime, AuUInt32 &chuggerIndex, AuList<AuSPtr<ILoopSource>> *trigger, bool poll, bool &bTriggerWin32, bool &bFinished)
|
|
{
|
|
bool status {};
|
|
DWORD temp;
|
|
AuUInt32 indexOfTriggered {};
|
|
AuUInt32 triggeredCount {};
|
|
|
|
if (trigger)
|
|
{
|
|
trigger->reserve(this->loopSourceExs_.size());
|
|
}
|
|
|
|
if (AuExchange(this->bIOUWin32FastPath, false))
|
|
{
|
|
status = this->handleArrayOr_.size();
|
|
}
|
|
else if ((this->handleArrayOr_.size() > MAXIMUM_WAIT_OBJECTS) || (this->forceChug_))
|
|
{
|
|
status = ChugWaitAny(internalEndTime, chuggerIndex, indexOfTriggered);
|
|
}
|
|
else
|
|
{
|
|
AuUInt32 sleepDelta {};
|
|
|
|
do
|
|
{
|
|
if (internalEndTime)
|
|
{
|
|
if (internalEndTime == AuUInt64(-1))
|
|
{
|
|
sleepDelta = INFINITE;
|
|
}
|
|
else
|
|
{
|
|
auto now = AuTime::SteadyClockMS();
|
|
if (internalEndTime <= now)
|
|
{
|
|
return false;
|
|
}
|
|
sleepDelta = internalEndTime - now;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
sleepDelta = 0;
|
|
}
|
|
|
|
if (this->bIsWinLoop_ &&
|
|
pMsgWaitForMultipleObjectsEx)
|
|
{
|
|
// TODO: this might be a symptom of something else
|
|
if (!AuSwInfo::IsWindows10OrGreater() &&
|
|
sleepDelta == INFINITE)
|
|
|
|
{
|
|
#if 0
|
|
auto DoTryIf = [&]
|
|
{
|
|
temp = ::WaitForMultipleObjectsEx(this->handleArrayOr_.size(), this->handleArrayOr_.data(), false, 4, true);
|
|
return WaitToRetStatus(temp);
|
|
};
|
|
|
|
if (!DoTryIf())
|
|
#endif
|
|
{
|
|
temp = pMsgWaitForMultipleObjectsEx(this->handleArrayOr_.size(), this->handleArrayOr_.data(), sleepDelta, QS_ALLPOSTMESSAGE | QS_ALLINPUT | QS_ALLEVENTS, MWMO_INPUTAVAILABLE | MWMO_ALERTABLE);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
temp = pMsgWaitForMultipleObjectsEx(this->handleArrayOr_.size(), this->handleArrayOr_.data(), sleepDelta, QS_ALLPOSTMESSAGE | QS_ALLINPUT | QS_ALLEVENTS, MWMO_INPUTAVAILABLE | MWMO_ALERTABLE);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
temp = ::WaitForMultipleObjectsEx(this->handleArrayOr_.size(), this->handleArrayOr_.data(), false, sleepDelta, true);
|
|
}
|
|
|
|
{
|
|
auto temp2 = temp;
|
|
while (temp2 == WAIT_IO_COMPLETION)
|
|
{
|
|
temp2 = SleepEx(0, true);
|
|
}
|
|
}
|
|
}
|
|
while (temp == WAIT_IO_COMPLETION);
|
|
|
|
status = WaitToRetStatus(temp);
|
|
|
|
if (status)
|
|
{
|
|
indexOfTriggered = temp - WAIT_OBJECT_0;
|
|
}
|
|
}
|
|
|
|
bool bIsPump = this->handleArrayOr_.size() == indexOfTriggered;
|
|
|
|
if (bIsPump)
|
|
{
|
|
if (poll)
|
|
{
|
|
this->bIOUWin32FastPath = true;
|
|
return true;
|
|
}
|
|
else if (TryPumpWin32())
|
|
{
|
|
triggeredCount++;
|
|
bTriggerWin32 = true;
|
|
}
|
|
return triggeredCount;
|
|
}
|
|
else if (!status)
|
|
{
|
|
if (!StartUserAndTakeOwn())
|
|
{
|
|
return false;
|
|
}
|
|
|
|
ConsiderEvicitingTimeoutsAll();
|
|
bFinished = true;
|
|
StartUserAndTakeOwn_Release();
|
|
return false;
|
|
}
|
|
else
|
|
{
|
|
static Aurora::Utility::RateLimiter limit(AuMSToNS<AuUInt64>(24));
|
|
|
|
if (limit.CheckExchangePass())
|
|
{
|
|
if (!poll && TryPumpWin32())
|
|
{
|
|
triggeredCount++;
|
|
bTriggerWin32 = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!StartUserAndTakeOwn())
|
|
{
|
|
bFinished = true;
|
|
StartUserAndTakeOwn_Release();
|
|
return true;
|
|
}
|
|
|
|
AuUInt firstTriggered { reinterpret_cast<AuUInt>(this->handleArrayOr_[indexOfTriggered]) };
|
|
{
|
|
{
|
|
Iterator queueIterator(this);
|
|
AuSInt indexOffset {};
|
|
auto now = AuTime::SteadyClockMS();
|
|
for (queueIterator.Start(); queueIterator.End() != queueIterator.itr; )
|
|
{
|
|
bool shouldRemove {false};
|
|
auto &source = *queueIterator.itr;
|
|
|
|
AuUInt lastHandle {};
|
|
bool wasTriggered {};
|
|
|
|
if (source.source)
|
|
{
|
|
bool singular = source.source->Singular();
|
|
bool bPollTriggered = this->handleArrayOr_[queueIterator.startingIndexOr] == this->hDummy_;
|
|
|
|
bool bAltTrigger {};
|
|
|
|
if (!bPollTriggered)
|
|
{
|
|
if (!singular)
|
|
{
|
|
for (const auto &handle : source.source->GetHandles())
|
|
{
|
|
if ((firstTriggered == handle) ||
|
|
(bAltTrigger = source.source->IsSignaledNoSpinIfUserland()))
|
|
{
|
|
lastHandle = handle;
|
|
wasTriggered = !bAltTrigger;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
auto handle = source.source->GetHandle();
|
|
if ((firstTriggered == handle) ||
|
|
(bAltTrigger = source.source->IsSignaledNoSpinIfUserland()))
|
|
{
|
|
lastHandle = firstTriggered;
|
|
wasTriggered = !bAltTrigger;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (bPollTriggered || (bAltTrigger) || (wasTriggered && source.source->OnTrigger(lastHandle)))
|
|
{
|
|
bool failing {};
|
|
|
|
if (!lastHandle)
|
|
{
|
|
lastHandle = (AuUInt)this->handleArrayAnd_[queueIterator.startingIndexAnd];
|
|
}
|
|
|
|
if (poll)
|
|
{
|
|
if (!bPollTriggered)
|
|
{
|
|
failing = !AuTryInsert(this->handleArrayTainted_, AuMakeTuple(queueIterator.startingIndexAnd, 1, reinterpret_cast<HANDLE>(lastHandle)));
|
|
|
|
if (!failing)
|
|
{
|
|
triggeredCount++;
|
|
|
|
this->handleArrayAnd_[queueIterator.startingIndexAnd ] = reinterpret_cast<HANDLE>(this->hDummy_);
|
|
this->handleArrayOr_[queueIterator.startingIndexOr ] = reinterpret_cast<HANDLE>(this->hDummy_);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
triggeredCount++;
|
|
}
|
|
}
|
|
|
|
if (!poll)
|
|
{
|
|
if (this->handleArrayTainted_.size() &&
|
|
bPollTriggered)
|
|
{
|
|
AuTuple<int, int, HANDLE> ref;
|
|
|
|
bool matched = AuRemoveIf(this->handleArrayTainted_, [&](const AuTuple<int, int, HANDLE> &in) -> bool
|
|
{
|
|
bool bMatched = queueIterator.startingIndexAnd == AuGet<0>(in);
|
|
if (!bMatched)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
ref = in;
|
|
return true;
|
|
});
|
|
|
|
if (matched)
|
|
{
|
|
if (AuGet<1>(ref) == 1)
|
|
{
|
|
auto handle = AuGet<2>(ref);
|
|
this->handleArrayOr_[queueIterator.startingIndexOr] = handle;
|
|
this->handleArrayAnd_[queueIterator.startingIndexAnd] = handle;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!poll || failing)
|
|
{
|
|
triggeredCount++;
|
|
shouldRemove = true;
|
|
|
|
auto [ticked, bShouldRemove] = source.DoWork(this, -1);
|
|
shouldRemove = bShouldRemove;
|
|
|
|
if (trigger)
|
|
{
|
|
AuTryInsert(*trigger, source.source);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (shouldRemove)
|
|
{
|
|
AuStaticCast<ILoopSourceEx>(source.source)->OnFinishSleep();
|
|
|
|
if (source.source->GetType() == ELoopSource::eSourceWin32)
|
|
{
|
|
SysPanic("?");
|
|
}
|
|
else
|
|
{
|
|
AuUInt uHandles = (source.source->Singular() ? 1 : source.source->GetHandles().size());
|
|
int sOffset = -(uHandles);
|
|
if (this->handleArrayOr_.size() > MAXIMUM_WAIT_OBJECTS)
|
|
{
|
|
this->RemoveSourceNB(source.source);
|
|
this->willCommitInFuture_ = true;
|
|
}
|
|
else
|
|
{
|
|
AuRemoveRange(this->handleArrayOr_, queueIterator.startingIndexOr + indexOffset, uHandles);
|
|
AuRemoveRange(this->handleArrayAnd_, queueIterator.startingIndexAnd + indexOffset, uHandles);
|
|
queueIterator.Delete(this->loopSourceExs_.erase(queueIterator.itr));
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
//else
|
|
{
|
|
queueIterator.Next();
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
bFinished = true;
|
|
StartUserAndTakeOwn_Release();
|
|
|
|
return triggeredCount;
|
|
}
|
|
|
|
bool LoopQueue::StartUserAndTakeOwn()
|
|
{
|
|
if (AuAtomicAdd(&this->uNestedWriteLock_, 1u) > 1)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if (!this->rwMutex_->UpgradeReadToWrite(100))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
this->isCommitableInFuture_ = true;
|
|
return true;
|
|
}
|
|
|
|
bool LoopQueue::TryPumpWin32()
|
|
{
|
|
bool bMsgPump {};
|
|
|
|
if (!this->msgSource_)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if (pPeekMessageW &&
|
|
pTranslateMessage &&
|
|
pDispatchMessageW)
|
|
{
|
|
MSG msg;
|
|
|
|
if (AuStaticCast<Win32Dummy>(this->msgSource_)->bIsPumping_)
|
|
{
|
|
try
|
|
{
|
|
while (pPeekMessageW(&msg, NULL, 0, 0, PM_REMOVE))
|
|
{
|
|
pTranslateMessage(&msg);
|
|
pDispatchMessageW(&msg);
|
|
bMsgPump = true;
|
|
}
|
|
}
|
|
catch (...)
|
|
{
|
|
SysPushErrorCatch("Win32 Pump <-> Aur LoopQueue. Window handler threw a C++ exception.");
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (pPeekMessageW(&msg, NULL, 0, 0, PM_NOREMOVE))
|
|
{
|
|
bMsgPump = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Notify all and remove if unwanted
|
|
if (bMsgPump)
|
|
{
|
|
AU_LOCK_GUARD(this->sourceMutex_);
|
|
|
|
bool bShouldRemove = true;
|
|
for (const auto &handler : this->msgCallbacks_.base)
|
|
{
|
|
try
|
|
{
|
|
AU_DEBUG_REVERSE_MEMCRUNCH;
|
|
|
|
bShouldRemove &= handler->OnFinished(this->msgSource_);
|
|
}
|
|
catch (...)
|
|
{
|
|
SysPushErrorCatch();
|
|
}
|
|
}
|
|
|
|
AuUInt i {};
|
|
for (const auto &handler : this->msgCallbacks_.extended)
|
|
{
|
|
try
|
|
{
|
|
AU_DEBUG_REVERSE_MEMCRUNCH;
|
|
|
|
bShouldRemove &= handler->OnFinished(this->msgSource_, i++);
|
|
}
|
|
catch (...)
|
|
{
|
|
SysPushErrorCatch();
|
|
}
|
|
}
|
|
|
|
for (const auto &handler : this->globalSubcribers_)
|
|
{
|
|
try
|
|
{
|
|
AU_DEBUG_REVERSE_MEMCRUNCH;
|
|
|
|
bShouldRemove &= handler->OnFinished(this->msgSource_);
|
|
}
|
|
catch (...)
|
|
{
|
|
SysPushErrorCatch();
|
|
}
|
|
}
|
|
|
|
if (bShouldRemove)
|
|
{
|
|
this->bIsWinLoop_ = false;
|
|
}
|
|
}
|
|
|
|
return bMsgPump;
|
|
}
|
|
|
|
void LoopQueue::StartUserAndTakeOwn_Release()
|
|
{
|
|
this->isCommitableInFuture_ = false;
|
|
|
|
for (const auto &source : this->loopSourceExs_)
|
|
{
|
|
source.source->OnFinishSleep();
|
|
}
|
|
|
|
if (this->willCommitInFuture_)
|
|
{
|
|
this->CommitLocked();
|
|
}
|
|
|
|
if (AuAtomicSub(&this->uNestedWriteLock_, 1u) == 0)
|
|
{
|
|
this->rwMutex_->DowngradeWriteToRead();
|
|
}
|
|
}
|
|
|
|
// callee must own handle array
|
|
void LoopQueue::ConsiderEvicitingTimeoutsAll()
|
|
{
|
|
Iterator queueIterator(this);
|
|
bool bRebuildFromAnd {};
|
|
|
|
auto now = AuTime::SteadyClockMS();
|
|
for (queueIterator.Start(); queueIterator.End() != queueIterator.itr; )
|
|
{
|
|
auto &source = *queueIterator.itr;
|
|
if (!source.ConsiderTimeout(now))
|
|
{
|
|
queueIterator.Next();
|
|
continue;
|
|
}
|
|
|
|
source.source->OnFinishSleep();
|
|
|
|
if (source.source->GetType() == ELoopSource::eSourceWin32)
|
|
{
|
|
// Null message loop hack
|
|
this->msgSource_.reset();
|
|
this->msgCallbacks_ = {};
|
|
this->bIsWinLoop_ = false;
|
|
}
|
|
else
|
|
{
|
|
auto count = source.source->Singular() ? 1 : source.source->GetHandles().size();
|
|
|
|
if (this->handleArrayOr_.size() <= MAXIMUM_WAIT_OBJECTS)
|
|
{
|
|
AuRemoveRange(this->handleArrayOr_, queueIterator.startingIndexOr, count);
|
|
AuRemoveRange(this->handleArrayAnd_, queueIterator.startingIndexAnd, count);
|
|
}
|
|
else
|
|
{
|
|
bRebuildFromAnd = true;
|
|
AuRemoveRange(this->handleArrayAnd_, queueIterator.startingIndexAnd, count);
|
|
}
|
|
|
|
queueIterator.Delete(this->loopSourceExs_.erase(queueIterator.itr));
|
|
continue;
|
|
}
|
|
|
|
queueIterator.Next();
|
|
}
|
|
|
|
if (bRebuildFromAnd)
|
|
{
|
|
BuildFromAndArray();
|
|
}
|
|
}
|
|
|
|
bool LoopQueue::AddHook(const AuFunction<void()> &func)
|
|
{
|
|
return AuTryInsert(this->epilogueHooks_, func);
|
|
}
|
|
|
|
void LoopQueue::PumpHooks()
|
|
{
|
|
AU_DEBUG_MEMCRUNCH;
|
|
|
|
auto c = AuExchange(this->epilogueHooks_, {});
|
|
for (auto &a : c)
|
|
{
|
|
a();
|
|
}
|
|
}
|
|
|
|
AUKN_SYM AuSPtr<ILoopQueue> NewLoopQueue()
|
|
{
|
|
SysCheckRetExpNotNullMemory(AuMakeShared<LoopQueue>(), {});
|
|
}
|
|
} |