PassRefPtr<SharedMemory> SharedMemory::create(const Handle& handle, Protection protection)
{
if (handle.isNull())
return 0;
// Convert number to string, and open the global chunk
TBuf<KMaxKernelName> chunkName;
chunkName.Format(_L("%d"), handle.m_chunkID);
RChunk chunk;
// NOTE: Symbian OS doesn't support read-only global chunks.
TInt error = chunk.OpenGlobal(chunkName, false);
if (error) {
qCritical() << "Failed to create WK2 shared memory from handle " << error;
return 0;
}
chunk.Adjust(chunk.MaxSize());
RefPtr<SharedMemory> sharedMemory(adoptRef(new SharedMemory));
sharedMemory->m_handle = chunk.Handle();
sharedMemory->m_size = chunk.Size();
sharedMemory->m_data = static_cast<void*>(chunk.Base());
return sharedMemory.release();
}
void UnfragmentMemoryFunc()
{
if (FragData.iDiscard && CacheSizeAdjustable)
DPTest::SetCacheSize(OrigMinCacheSize, OrigMaxCacheSize);
Chunk.Decommit(0, Chunk.MaxSize());
}