[*] AuAsync build regression

[*] Fix potential for null deref under net adapters api
[*] Improved generic IO WaitFor * AND * (still suxs)

Include/Aurora/Async/AuFutures.hpp

@@ -703,6 +703,10 @@ namespace __detail
     #endif
 #endif
 
+#if defined(AU_LANG_CPP_20) && !defined(AU_NO_COROUTINES)
+    #define AU_HasCoRoutineTraitsAvailable
+#endif
+
 #if defined(AU_NO_COROUTINES) || ((defined(AURORA_COMPILER_MSVC) && defined(AU_LANG_CPP_14)) || (defined(AURORA_COMPILER_CLANG) && defined(AU_LANG_CPP_14)) || (defined(AURORA_COMPILER_CLANG) && defined(AU_LANG_CPP_17)) || (defined(AURORA_COMPILER_MSVC) && !defined(_RESUMABLE_FUNCTIONS_SUPPORTED)))
 
 #elif defined(AU_HasCoRoutinedIncluded)

Source/IO/Loop/Loop.cpp

@@ -134,6 +134,7 @@ namespace Aurora::IO::Loop
 
         if (lsList.size() == 1)
         {
+            AuUInt8 uFlags {};
             auto pSource = lsList[0];
             if (!pSource)
             {
@@ -141,18 +142,23 @@ namespace Aurora::IO::Loop
                 return true;
             }
 
+            if (!bSpin)
+            {
+                uFlags = kFlagLSTryNoSpin;
+            }
+
             bool bStatus {};
             if (bSleepForever)
             {
-                bStatus = pSource->WaitOn(0);
+                bStatus = pSource->WaitOnExt(uFlags, 0);
             }
             else if (bHasTimeOut)
             {
-                bStatus = pSource->WaitOn(optTimeoutMS.value());
+                bStatus = pSource->WaitOnExt(uFlags, optTimeoutMS.value());
             }
             else
             {
-                bStatus = pSource->IsSignaled();
+                bStatus = pSource->IsSignaledExt(uFlags);
             }
 
             if (bStatus)
@@ -173,6 +179,8 @@ namespace Aurora::IO::Loop
 
         if (!bAny)
         {
+            AuUInt32 uStartingOffset { 1 };
+
             auto &entryZero = lsList[0];
 
             if (!entryZero)
@@ -183,25 +191,32 @@ namespace Aurora::IO::Loop
             if (entryZero)
             {
                 bool bStatus {};
+                auto eType = entryZero->GetType();
+                AuUInt8 uFlags {};
 
-                if (bSleepForever)
+                if (!bSpin)
                 {
-                    bStatus = entryZero->WaitOn(0);
+                    uFlags = kFlagLSTryNoSpin;
+                }
+
+                if (eType == ELoopSource::eSourceMutex ||
+                    eType == ELoopSource::eSourceFastMutex)
+                {
+                    bStatus = false;
+                    uStartingOffset = 0;
+                    goto mainAllSleep;
+                }
+                else if (bSleepForever)
+                {
+                    bStatus = entryZero->WaitOnExt(uFlags, 0);
                 }
                 else if (bHasTimeOut)
                 {
-                    bStatus = entryZero->WaitOn(optTimeoutMS.value());
+                    bStatus = entryZero->WaitOnExt(uFlags, optTimeoutMS.value());
-                }
-                else if (bSpin)
-                {
-                    bStatus = entryZero->IsSignaled();
                 }
                 else
                 {
-                    auto pSourceEx = AuDynamicCast<Loop::ILoopSourceEx>(entryZero);
+                    bStatus = entryZero->IsSignaledExt(uFlags);
-                    bStatus = pSourceEx ?
-                        pSourceEx->IsSignaledNoSpinIfUserland() :
-                        entryZero->IsSignaled();
                 }
          
                 if (!bStatus)
@@ -215,66 +230,99 @@ namespace Aurora::IO::Loop
                 }
             }
 
-            if (lsList.size() > 1 &&
+        mainAllSleep:
+
+            if (lsList.size() > uStartingOffset &&
                 (!bAvoidKrn || signaled.empty()))
             {
-                for (AU_ITERATE_N_TO_X(i, 1, lsList.size()))
+                for (AU_ITERATE_N(a, 2))
                 {
-                    AuUInt32 uTimeoutMS {};
+                    bool dBreak {};
 
-                    if (uTimeoutEnd)
+                    for (AU_ITERATE_N_TO_X(i, uStartingOffset, lsList.size()))
                     {
-                        auto uStartTime = Time::SteadyClockNS();
+                        AuUInt32 uTimeoutMS {};
-                        if (uStartTime >= uTimeoutEnd)
+                        bool bIsMutex {};
+                        ELoopSource eType;
+
+                        auto &pCurrent = lsList[i];
+
+                        eType = pCurrent->GetType();
+                        bIsMutex = eType == ELoopSource::eSourceMutex ||
+                            eType == ELoopSource::eSourceFastMutex;
+
+                        if (bIsMutex ^ bool(a))
                         {
-                        #if 0
+                            continue;
-                            break;
-                        #else
-                            bZeroTick = true;
-                        #endif
                         }
                         
-                        uTimeoutMS = AuNSToMS<AuInt64>(uTimeoutEnd - uStartTime);
+                        if (uTimeoutEnd && !bZeroTick)
-                        if (!uTimeoutMS)
                         {
-                        #if 0
+                            auto uStartTime = Time::SteadyClockNS();
-                            break;
+                            if (uStartTime >= uTimeoutEnd)
-                        #else
-                            bZeroTick = true;
-                        #endif
-                        }
-                    }
-
-                    if (bZeroTick)
-                    {
-                        if (bSpin)
-                        {
-                            if (!lsList[i]->IsSignaled())
                             {
-                                break;
+                                bZeroTick = true;
+                            }
+
+                            uTimeoutMS = AuNSToMS<AuInt64>(uTimeoutEnd - uStartTime);
+                            if (!uTimeoutMS)
+                            {
+                                bZeroTick = true;
+                            }
+                        }
+
+                        if (bZeroTick)
+                        {
+                            if (bSpin)
+                            {
+                                if (!pCurrent->IsSignaled())
+                                {
+                                    dBreak = true;
+                                    break;
+                                }
+
+                                bSpin = false;
+                            }
+                            else
+                            {
+                                if (!pCurrent->IsSignaledExt(kFlagLSTryNoSpin))
+                                {
+                                    dBreak = true;
+                                    break;
+                                }
                             }
                         }
                         else
                         {
-                            auto pSourceEx = AuDynamicCast<Loop::ILoopSourceEx>(lsList[i]);
+                            if (bSpin)
-                            if (!(pSourceEx ?
-                                  pSourceEx->IsSignaledNoSpinIfUserland() :
-                                  entryZero->IsSignaled()))
                             {
-                                break;
+                                if (!pCurrent->WaitOnAbs(uTimeoutEnd))
+                                {
+                                    dBreak = true;
+                                    break;
+                                }
+
+                                // TBD
+                                bSpin = false;
+                            }
+                            else
+                            {
+                                if (!pCurrent->WaitOnAbsExt(kFlagLSTryNoSpin, uTimeoutEnd))
+                                {
+                                    dBreak = true;
+                                    break;
+                                }
                             }
                         }
-                    }
+
-                    else
+                        reverseList.push_back(i);
-                    {
+                        signaled.push_back(pCurrent);
-                        if (!lsList[i]->WaitOn(uTimeoutMS))
-                        {
-                            break;
-                        }
                     }
 
-                    reverseList.push_back(i);
+                    if (dBreak || signaled.size() != lsList.size())
-                    signaled.push_back(lsList[i]);
+                    {
+                        break;
+                    }
                 }
             }
 
@@ -328,12 +376,9 @@ namespace Aurora::IO::Loop
                         eType == ELoopSource::eSourceFastSemaphore ||
                         eType == ELoopSource::eSourceFastEvent)
                     {
-                        auto pSourceEx = AuDynamicCast<Loop::ILoopSourceEx>(pSource);
-                        
                         bAnyFound = true;
 
-                        if ((pSourceEx && pSourceEx->IsSignaledNoSpinIfUserland()) ||
+                        if (pSource->IsSignaledExt(kFlagLSTryNoSpin))
-                            (!pSourceEx && pSource->IsSignaled()))
                         {
                             signalTemp.push_back(pSource);
                             itr = lsList2.erase(itr);

Source/IO/Loop/WaitSingleBase.cpp

@@ -17,7 +17,7 @@ namespace Aurora::IO::Loop
 
     bool WaitSingleBase::IsSignaled()
     {
-        return this->IsSignaledExt(0);
+        return WaitSingleBase::IsSignaledExt(0);
     }
 
     bool WaitSingleBase::IsSignaledExt(AuUInt8 uFlags)
@@ -75,7 +75,7 @@ namespace Aurora::IO::Loop
 
     bool WaitSingleBase::WaitOn(AuUInt32 timeout)
     {
-        return this->WaitOnExt(0, timeout);
+        return WaitSingleBase::WaitOnExt(0, timeout);
     }
 
     bool WaitSingleBase::WaitOnExt(AuUInt8 uFlags, AuUInt32 timeout)
@@ -96,12 +96,12 @@ namespace Aurora::IO::Loop
             AuTime::SteadyClockNS() + AuMSToNS<AuUInt64>(timeout) :
             0;
 
-        return this->WaitOnAbsExt(uFlags, uEndTime);
+        return WaitSingleBase::WaitOnAbsExt(uFlags, uEndTime);
     }
 
     bool WaitSingleBase::WaitOnAbs(AuUInt64 uTimeoutAbs)
     {
-        return this->WaitOnAbsExt(0, uTimeoutAbs);
+        return WaitSingleBase::WaitOnAbsExt(0, uTimeoutAbs);
     }
 
     bool WaitSingleBase::WaitOnAbsExt(AuUInt8 uFlags, AuUInt64 uEndTime)

Source/IO/Net/AuNetAdapter.NT.cpp

@@ -239,9 +239,16 @@ namespace Aurora::IO::Net
                 adapter.uReceiveBytesPerSec = pCurrAddresses->ReceiveLinkSpeed / 8;
             }
 
-            if (adapter.address.Value().ip == EIPProtocol::eIPProtocolV4)
+            if (adapter.address)
             {
-                adapter.index = pCurrAddresses->IfIndex;
+                if (adapter.address.Value().ip == EIPProtocol::eIPProtocolV4)
+                {
+                    adapter.index = pCurrAddresses->IfIndex;
+                }
+                else
+                {
+                    adapter.index = adaptersOut.size();
+                }
             }
             else
             {

Source/IO/Net/AuNetSrvWorkers.cpp

@@ -63,6 +63,10 @@ namespace Aurora::IO::Net
     AuSPtr<NetWorker>  NetSrvWorkers::GetWorkerByIndex(AuUInt index)
     {
         AU_LOCK_GUARD(this->mutex_);
+        if (this->workerPool_.empty())
+        {
+            return {};
+        }
         return this->workerPool_[index % this->workerPool_.size()];
     }
 

Source/Threading/AuWaitFor.cpp

@@ -180,7 +180,31 @@ namespace Aurora::Threading
             {
                 if (releasedObjects[i])
                 {
-                    waitables[i]->Unlock();
+                    AuUInt uHandle(0);
+
+                    if (!waitables[i]->HasOSHandle(uHandle) &&
+                        uHandle == 0xFF69421)
+                    {
+                        // Autoreset events
+                        // In 2020/2021, I didn't want semaphore and mutex behaviour in event iwaitable::unlock()
+                        // The logic:
+                        //
+                        // AU_LOCK_GUARD(gMutex) makes sense
+                        //
+                        // Semaphore gSemaphore(1); // a mutex
+                        // AU_LOCK_GUARD(gSemaphore) can make sense in academic theory only
+                        //
+                        // AU_LOCK_GUARD(gResetEvent) does not sense.
+                        // in the condvar pattern, the signaling thread does the unlock.
+                        //
+                        // ...therefore, the ::Unlock() should not be event setters.
+                        AuStaticCast<AuThreadPrimitives::IEvent>(waitables[i])->Set();
+                    }
+                    else
+                    {
+                        // Semaphores and Mutexes
+                        waitables[i]->Unlock();
+                    }
                 }
             }
         }

Source/Threading/Primitives/AuEvent.cpp

@@ -297,7 +297,7 @@ namespace Aurora::Threading::Primitives
 
     bool EventImpl::HasOSHandle(AuMach &mach)
     {
-        mach = 0;
+        mach = this->bAtomicRelease_ ? 0xFF69421 : 0;
         return false;
     }