/*
* \internal
* Called from the qtmain.lib application wrapper.
* Create a new heap as requested, but use the new allocator
*/
Q_CORE_EXPORT TInt qt_symbian_SetupThreadHeap(TBool aNotFirst, SStdEpocThreadCreateInfo& aInfo)
{
TInt r = KErrNone;
if (!aInfo.iAllocator && aInfo.iHeapInitialSize>0)
{
// new heap required
RHeap* pH = NULL;
r = UserHeap::CreateThreadHeap(aInfo, pH);
}
else if (aInfo.iAllocator)
{
// sharing a heap
RAllocator* pA = aInfo.iAllocator;
pA->Open();
User::SwitchAllocator(pA);
}
return r;
}
EXPORT_C TInt UserHeap::SetupThreadHeap(TBool, SStdEpocThreadCreateInfo& aInfo)
/**
@internalComponent
*/
{
TInt r = KErrNone;
if (!aInfo.iAllocator && aInfo.iHeapInitialSize>0)
{
// new heap required
RHeap* pH = NULL;
r = CreateThreadHeap(aInfo, pH);
}
else if (aInfo.iAllocator)
{
// sharing a heap
RAllocator* pA = aInfo.iAllocator;
pA->Open();
User::SwitchAllocator(pA);
}
return r;
}
/* \internal
*
* Uses link-time symbol preemption to capture a call from the application
* startup. On return, there is some kind of heap allocator installed on the
* thread.
*/
TInt UserHeap::SetupThreadHeap(TBool aNotFirst, SStdEpocThreadCreateInfo& aInfo)
{
TInt r = KErrNone;
#ifndef __WINS__
// attempt to create the fast allocator through a known export ordinal in qtcore.dll
RLibrary qtcore;
if (qtcore.Load(QtCoreLibName) == KErrNone)
{
const int qt_symbian_SetupThreadHeap_eabi_ordinal = 3713;
TLibraryFunction libFunc = qtcore.Lookup(qt_symbian_SetupThreadHeap_eabi_ordinal);
if (libFunc)
{
typedef int (*TSetupThreadHeapFunc)(TBool aNotFirst, SStdEpocThreadCreateInfo& aInfo);
TSetupThreadHeapFunc p_qt_symbian_SetupThreadHeap = TSetupThreadHeapFunc(libFunc);
r = (*p_qt_symbian_SetupThreadHeap)(aNotFirst, aInfo);
}
qtcore.Close();
if (libFunc)
return r;
}
#endif
// no fast allocator support - use default allocator creation
if (!aInfo.iAllocator && aInfo.iHeapInitialSize>0)
{
// new heap required
RHeap* pH = NULL;
r = UserHeap::CreateThreadHeap(aInfo, pH);
}
else if (aInfo.iAllocator)
{
// sharing a heap
RAllocator* pA = aInfo.iAllocator;
pA->Open();
User::SwitchAllocator(pA);
r = KErrNone;
}
return r;
}
