internal SRes MatchFinderMt_Create(uint historySize, uint keepAddBufferBefore, uint matchMaxLen, uint keepAddBufferAfter, ISzAlloc alloc)
{
mLocalHistorySize = historySize;
if (kMtBtBlockSize <= matchMaxLen * 4)
{
return(SZ_ERROR_PARAM);
}
if (mHashBuf == null)
{
mHashBuf = alloc.AllocUInt32(alloc, kHashBufferSize + kBtBufferSize);
if (mHashBuf == null)
{
return(SZ_ERROR_MEM);
}
mBtBuf = P.From(mHashBuf, kHashBufferSize);
}
keepAddBufferBefore += (kHashBufferSize + kBtBufferSize);
keepAddBufferAfter += kMtHashBlockSize;
if (!base.MatchFinder_Create(historySize, keepAddBufferBefore, matchMaxLen, keepAddBufferAfter, alloc))
{
return(SZ_ERROR_MEM);
}
SRes res;
if ((res = mHashSync.MtSync_Create(HashThreadFunc, "LZMA Hash Thread", kMtHashNumBlocks)) != SZ_OK)
{
return(res);
}
if ((res = mBtSync.MtSync_Create(BtThreadFunc, "LZMA BT Thread", kMtBtNumBlocks)) != SZ_OK)
{
return(res);
}
return(SZ_OK);
}
