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/* MtCoder.h -- Multi-thread Coder
2009-11-19 : Igor Pavlov : Public domain */
#ifndef __MT_CODER_H
#define __MT_CODER_H
#include "Threads.h"
EXTERN_C_BEGIN
typedef struct
{
CThread thread;
CAutoResetEvent startEvent;
CAutoResetEvent finishedEvent;
int stop;
THREAD_FUNC_TYPE func;
LPVOID param;
THREAD_FUNC_RET_TYPE res;
} CLoopThread;
void LoopThread_Construct(CLoopThread *p);
void LoopThread_Close(CLoopThread *p);
WRes LoopThread_Create(CLoopThread *p);
WRes LoopThread_StopAndWait(CLoopThread *p);
WRes LoopThread_StartSubThread(CLoopThread *p);
WRes LoopThread_WaitSubThread(CLoopThread *p);
#ifndef _7ZIP_ST
#define NUM_MT_CODER_THREADS_MAX 32
#else
#define NUM_MT_CODER_THREADS_MAX 1
#endif
typedef struct
{
UInt64 totalInSize;
UInt64 totalOutSize;
ICompressProgress *progress;
SRes res;
CCriticalSection cs;
UInt64 inSizes[NUM_MT_CODER_THREADS_MAX];
UInt64 outSizes[NUM_MT_CODER_THREADS_MAX];
} CMtProgress;
SRes MtProgress_Set(CMtProgress *p, unsigned index, UInt64 inSize, UInt64 outSize);
struct _CMtCoder;
typedef struct
{
struct _CMtCoder *mtCoder;
Byte *outBuf;
size_t outBufSize;
Byte *inBuf;
size_t inBufSize;
unsigned index;
CLoopThread thread;
Bool stopReading;
Bool stopWriting;
CAutoResetEvent canRead;
CAutoResetEvent canWrite;
} CMtThread;
typedef struct
{
SRes (*Code)(void *p, unsigned index, Byte *dest, size_t *destSize,
const Byte *src, size_t srcSize, int finished);
} IMtCoderCallback;
typedef struct _CMtCoder
{
size_t blockSize;
size_t destBlockSize;
unsigned numThreads;
ISeqInStream *inStream;
ISeqOutStream *outStream;
ICompressProgress *progress;
ISzAlloc *alloc;
IMtCoderCallback *mtCallback;
CCriticalSection cs;
SRes res;
CMtProgress mtProgress;
CMtThread threads[NUM_MT_CODER_THREADS_MAX];
} CMtCoder;
void MtCoder_Construct(CMtCoder* p);
void MtCoder_Destruct(CMtCoder* p);
SRes MtCoder_Code(CMtCoder *p);
EXTERN_C_END
#endif
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