Upgrading lzma_sdk to version 9.20.

third_party/lzma_sdk/C/MtCoder.h

+/* 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