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#include "UnityPrefix.h"
#include "TLSAllocator.h"
#include "Runtime/Threads/Thread.h"
#include "Runtime/Allocator/StackAllocator.h"
#if ENABLE_MEMORY_MANAGER
template <class UnderlyingAllocator>
int TLSAllocator<UnderlyingAllocator>::s_NumberOfInstances = 0;
template <class UnderlyingAllocator>
UNITY_TLS_VALUE(UnderlyingAllocator*) TLSAllocator<UnderlyingAllocator>::m_UniqueThreadAllocator;
template <class UnderlyingAllocator>
TLSAllocator<UnderlyingAllocator>::TLSAllocator(const char* name)
: BaseAllocator(name)
{
if(s_NumberOfInstances != 0)
ErrorString("Only one instance of the TLS allocator is allowed because of TLS implementation");
s_NumberOfInstances++;
memset (m_ThreadTempAllocators, 0, sizeof(m_ThreadTempAllocators));
}
template <class UnderlyingAllocator>
TLSAllocator<UnderlyingAllocator>::~TLSAllocator()
{
s_NumberOfInstances--;
}
template <class UnderlyingAllocator>
void TLSAllocator<UnderlyingAllocator>::ThreadInitialize(BaseAllocator *allocator)
{
m_UniqueThreadAllocator = (UnderlyingAllocator*)allocator;
for(int i = 0; i < kMaxThreadTempAllocators; i++)
{
if(m_ThreadTempAllocators[i] == NULL)
{
m_ThreadTempAllocators[i] = (UnderlyingAllocator*) allocator;
break;
}
}
}
template <class UnderlyingAllocator>
void TLSAllocator<UnderlyingAllocator>::ThreadCleanup()
{
UnderlyingAllocator* allocator = m_UniqueThreadAllocator;
m_UniqueThreadAllocator = NULL;
for(int i = 0; i < kMaxThreadTempAllocators; i++)
{
if(m_ThreadTempAllocators[i] == allocator)
{
m_ThreadTempAllocators[i] = NULL;
break;
}
}
UNITY_DELETE(allocator, kMemManager);
}
template <class UnderlyingAllocator>
void TLSAllocator<UnderlyingAllocator>::FrameMaintenance(bool cleanup)
{
Assert(m_UniqueThreadAllocator->GetAllocatedMemorySize() == 0);
}
template <class UnderlyingAllocator>
bool TLSAllocator<UnderlyingAllocator>::IsAssigned() const
{
return m_UniqueThreadAllocator != NULL;
}
template <class UnderlyingAllocator>
UnderlyingAllocator* TLSAllocator<UnderlyingAllocator>::GetCurrentAllocator()
{
return m_UniqueThreadAllocator;
}
template <class UnderlyingAllocator>
void* TLSAllocator<UnderlyingAllocator>::Allocate( size_t size, int align )
{
UnderlyingAllocator* alloc = GetCurrentAllocator();
return alloc ? alloc->UnderlyingAllocator::Allocate(size, align) : NULL;
}
template <class UnderlyingAllocator>
void* TLSAllocator<UnderlyingAllocator>::Reallocate( void* p, size_t size, int align )
{
UnderlyingAllocator* alloc = GetCurrentAllocator();
if(!alloc)
return NULL;
if(alloc->UnderlyingAllocator::Contains(p))
return alloc->UnderlyingAllocator::Reallocate(p, size, align);
return NULL;
}
template <class UnderlyingAllocator>
void TLSAllocator<UnderlyingAllocator>::Deallocate( void* p )
{
UnderlyingAllocator* alloc = GetCurrentAllocator();
DebugAssert(alloc);
DebugAssert(alloc->UnderlyingAllocator::Contains(p));
return alloc->UnderlyingAllocator::Deallocate(p);
}
template <class UnderlyingAllocator>
bool TLSAllocator<UnderlyingAllocator>::TryDeallocate( void* p )
{
UnderlyingAllocator* alloc = GetCurrentAllocator();
if(!alloc)
return false;
if(!alloc->UnderlyingAllocator::Contains(p))
return false;
alloc->UnderlyingAllocator::Deallocate(p);
return true;
}
template <class UnderlyingAllocator>
bool TLSAllocator<UnderlyingAllocator>::Contains( const void* p )
{
UnderlyingAllocator* alloc = GetCurrentAllocator();
if(alloc && alloc->UnderlyingAllocator::Contains(p))
return true;
return false;
}
template <class UnderlyingAllocator>
size_t TLSAllocator<UnderlyingAllocator>::GetAllocatedMemorySize( ) const
{
size_t allocated = 0;
for(int i = 0; i < kMaxThreadTempAllocators; i++)
{
if(m_ThreadTempAllocators[i] != NULL)
allocated += m_ThreadTempAllocators[i]->UnderlyingAllocator::GetAllocatedMemorySize();
}
return allocated;
}
template <class UnderlyingAllocator>
size_t TLSAllocator<UnderlyingAllocator>::GetAllocatorSizeTotalUsed() const
{
size_t total = 0;
for(int i = 0; i < kMaxThreadTempAllocators; i++)
{
if(m_ThreadTempAllocators[i] != NULL)
total += m_ThreadTempAllocators[i]->UnderlyingAllocator::GetAllocatorSizeTotalUsed();
}
return total;
}
template <class UnderlyingAllocator>
size_t TLSAllocator<UnderlyingAllocator>::GetReservedSizeTotal() const
{
size_t total = 0;
for(int i = 0; i < kMaxThreadTempAllocators; i++)
{
if(m_ThreadTempAllocators[i] != NULL)
total += m_ThreadTempAllocators[i]->UnderlyingAllocator::GetReservedSizeTotal();
}
return total;
}
template <class UnderlyingAllocator>
size_t TLSAllocator<UnderlyingAllocator>::GetPtrSize( const void* ptr ) const
{
// all allocators have the same allocation header
return m_ThreadTempAllocators[0]->UnderlyingAllocator::GetPtrSize(ptr);
}
template <class UnderlyingAllocator>
ProfilerAllocationHeader* TLSAllocator<UnderlyingAllocator>::GetProfilerHeader( const void* ptr ) const
{
return m_ThreadTempAllocators[0]->UnderlyingAllocator::GetProfilerHeader(ptr);
}
template <class UnderlyingAllocator>
bool TLSAllocator<UnderlyingAllocator>::CheckIntegrity()
{
bool succes = true;
for(int i = 0; i < kMaxThreadTempAllocators; i++)
{
if(m_ThreadTempAllocators[i] != NULL)
succes &= m_ThreadTempAllocators[i]->UnderlyingAllocator::CheckIntegrity();
}
return succes;
}
template class TLSAllocator< StackAllocator >;
#endif // #if ENABLE_MEMORY_MANAGER
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