Added GetIsRunningInt() for internal library use, and modified GetIsR…

…unning() to call !GetIsShutdownRequested()

- fixes #128

src/TaskScheduler.cpp

@@ -289,7 +289,7 @@ void TaskScheduler::TaskingThreadFunction( const ThreadArgs& args_ )
 
     uint32_t spinCount = 0;
     uint32_t hintPipeToCheck_io = threadNum + 1; // does not need to be clamped.
-    while( pTS->GetIsRunning() )
+    while( pTS->GetIsRunningInt() )
     {
         if( !pTS->TryRunTask( threadNum, hintPipeToCheck_io ) )
         {
@@ -997,7 +997,7 @@ void    TaskScheduler::WaitforTask( const ICompletable* pCompletable_, enki::Tas
         // so we clamp the priorityOfLowestToRun_ to no smaller than the task we're waiting for
         priorityOfLowestToRun_ = std::max( priorityOfLowestToRun_, pCompletable_->m_Priority );
         uint32_t spinCount = 0;
-        while( !pCompletable_->GetIsComplete() && GetIsRunning() )
+        while( !pCompletable_->GetIsComplete() && GetIsRunningInt() )
         {
             ++spinCount;
             for( int priority = 0; priority <= priorityOfLowestToRun_; ++priority )
@@ -1056,7 +1056,7 @@ void TaskScheduler::WaitforAll()
     uint32_t spinCount = 0;
     TaskSchedulerWaitTask dummyWaitTask;
     dummyWaitTask.threadNum = 0;
-    while( GetIsRunning() && ( bHaveTasks || otherThreadsRunning ) )
+    while( GetIsRunningInt() && ( bHaveTasks || otherThreadsRunning ) )
     {
         bHaveTasks = TryRunTask( ourThreadNum, hintPipeToCheck_io );
         ++spinCount;

src/TaskScheduler.h

@@ -424,7 +424,7 @@ namespace enki
         // DEPRECATED: use GetIsShutdownRequested() instead of GetIsRunning() in external code
         // while( GetIsRunning() ) {} can be used in tasks which loop, to check if enkiTS has been shutdown.
         // If GetIsRunning() returns false should then exit. Not required for finite tasks.
-        ENKI_DEPRECATED inline bool GetIsRunning() const { return m_bRunning.load( std::memory_order_acquire ); }
+        ENKI_DEPRECATED inline bool GetIsRunning() const { return !GetIsShutdownRequested(); }
 
         // DEPRECATED - WaitforTaskSet, deprecated interface use WaitforTask.
         ENKI_DEPRECATED inline void WaitforTaskSet( const ICompletable* pCompletable_ ) { WaitforTask( pCompletable_ ); }
@@ -451,6 +451,8 @@ namespace enki
         void        WakeThreadsForTaskCompletion();
         bool        WakeSuspendedThreadsWithPinnedTasks( uint32_t threadNum_ );
         void        InitDependencies( ICompletable* pCompletable_  );
+        inline bool GetIsRunningInt() const { return m_bRunning.load( std::memory_order_acquire ); }
+
         ENKITS_API void TaskComplete( ICompletable* pTask_, bool bWakeThreads_, uint32_t threadNum_ );
         ENKITS_API void AddTaskSetToPipeInt( ITaskSet* pTaskSet_, uint32_t threadNum_ );
         ENKITS_API void AddPinnedTaskInt( IPinnedTask* pTask_ );