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1114 lines
28 KiB
C
1114 lines
28 KiB
C
/* MtDec.c -- Multi-thread Decoder
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2023-04-02 : Igor Pavlov : Public domain */
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#include "Precomp.h"
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// #define SHOW_DEBUG_INFO
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// #include <stdio.h>
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#include <string.h>
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#ifdef SHOW_DEBUG_INFO
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#include <stdio.h>
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#endif
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#include "MtDec.h"
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#ifndef Z7_ST
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#ifdef SHOW_DEBUG_INFO
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#define PRF(x) x
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#else
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#define PRF(x)
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#endif
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#define PRF_STR_INT(s, d) PRF(printf("\n" s " %d\n", (unsigned)d))
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void MtProgress_Init(CMtProgress *p, ICompressProgressPtr progress)
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{
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p->progress = progress;
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p->res = SZ_OK;
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p->totalInSize = 0;
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p->totalOutSize = 0;
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}
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SRes MtProgress_Progress_ST(CMtProgress *p)
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{
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if (p->res == SZ_OK && p->progress)
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if (ICompressProgress_Progress(p->progress, p->totalInSize, p->totalOutSize) != SZ_OK)
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p->res = SZ_ERROR_PROGRESS;
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return p->res;
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}
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SRes MtProgress_ProgressAdd(CMtProgress *p, UInt64 inSize, UInt64 outSize)
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{
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SRes res;
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CriticalSection_Enter(&p->cs);
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p->totalInSize += inSize;
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p->totalOutSize += outSize;
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if (p->res == SZ_OK && p->progress)
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if (ICompressProgress_Progress(p->progress, p->totalInSize, p->totalOutSize) != SZ_OK)
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p->res = SZ_ERROR_PROGRESS;
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res = p->res;
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CriticalSection_Leave(&p->cs);
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return res;
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}
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SRes MtProgress_GetError(CMtProgress *p)
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{
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SRes res;
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CriticalSection_Enter(&p->cs);
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res = p->res;
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CriticalSection_Leave(&p->cs);
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return res;
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}
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void MtProgress_SetError(CMtProgress *p, SRes res)
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{
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CriticalSection_Enter(&p->cs);
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if (p->res == SZ_OK)
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p->res = res;
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CriticalSection_Leave(&p->cs);
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}
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#define RINOK_THREAD(x) RINOK_WRes(x)
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struct CMtDecBufLink_
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{
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struct CMtDecBufLink_ *next;
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void *pad[3];
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};
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typedef struct CMtDecBufLink_ CMtDecBufLink;
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#define MTDEC__LINK_DATA_OFFSET sizeof(CMtDecBufLink)
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#define MTDEC__DATA_PTR_FROM_LINK(link) ((Byte *)(link) + MTDEC__LINK_DATA_OFFSET)
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static THREAD_FUNC_DECL MtDec_ThreadFunc(void *pp);
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static WRes MtDecThread_CreateEvents(CMtDecThread *t)
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{
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WRes wres = AutoResetEvent_OptCreate_And_Reset(&t->canWrite);
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if (wres == 0)
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{
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wres = AutoResetEvent_OptCreate_And_Reset(&t->canRead);
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if (wres == 0)
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return SZ_OK;
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}
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return wres;
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}
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static SRes MtDecThread_CreateAndStart(CMtDecThread *t)
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{
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WRes wres = MtDecThread_CreateEvents(t);
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// wres = 17; // for test
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if (wres == 0)
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{
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if (Thread_WasCreated(&t->thread))
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return SZ_OK;
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wres = Thread_Create(&t->thread, MtDec_ThreadFunc, t);
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if (wres == 0)
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return SZ_OK;
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}
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return MY_SRes_HRESULT_FROM_WRes(wres);
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}
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void MtDecThread_FreeInBufs(CMtDecThread *t)
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{
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if (t->inBuf)
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{
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void *link = t->inBuf;
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t->inBuf = NULL;
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do
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{
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void *next = ((CMtDecBufLink *)link)->next;
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ISzAlloc_Free(t->mtDec->alloc, link);
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link = next;
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}
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while (link);
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}
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}
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static void MtDecThread_CloseThread(CMtDecThread *t)
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{
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if (Thread_WasCreated(&t->thread))
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{
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Event_Set(&t->canWrite); /* we can disable it. There are no threads waiting canWrite in normal cases */
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Event_Set(&t->canRead);
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Thread_Wait_Close(&t->thread);
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}
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Event_Close(&t->canRead);
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Event_Close(&t->canWrite);
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}
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static void MtDec_CloseThreads(CMtDec *p)
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{
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unsigned i;
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for (i = 0; i < MTDEC_THREADS_MAX; i++)
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MtDecThread_CloseThread(&p->threads[i]);
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}
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static void MtDecThread_Destruct(CMtDecThread *t)
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{
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MtDecThread_CloseThread(t);
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MtDecThread_FreeInBufs(t);
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}
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static SRes MtDec_GetError_Spec(CMtDec *p, UInt64 interruptIndex, BoolInt *wasInterrupted)
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{
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SRes res;
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CriticalSection_Enter(&p->mtProgress.cs);
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*wasInterrupted = (p->needInterrupt && interruptIndex > p->interruptIndex);
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res = p->mtProgress.res;
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CriticalSection_Leave(&p->mtProgress.cs);
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return res;
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}
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static SRes MtDec_Progress_GetError_Spec(CMtDec *p, UInt64 inSize, UInt64 outSize, UInt64 interruptIndex, BoolInt *wasInterrupted)
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{
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SRes res;
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CriticalSection_Enter(&p->mtProgress.cs);
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p->mtProgress.totalInSize += inSize;
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p->mtProgress.totalOutSize += outSize;
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if (p->mtProgress.res == SZ_OK && p->mtProgress.progress)
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if (ICompressProgress_Progress(p->mtProgress.progress, p->mtProgress.totalInSize, p->mtProgress.totalOutSize) != SZ_OK)
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p->mtProgress.res = SZ_ERROR_PROGRESS;
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*wasInterrupted = (p->needInterrupt && interruptIndex > p->interruptIndex);
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res = p->mtProgress.res;
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CriticalSection_Leave(&p->mtProgress.cs);
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return res;
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}
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static void MtDec_Interrupt(CMtDec *p, UInt64 interruptIndex)
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{
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CriticalSection_Enter(&p->mtProgress.cs);
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if (!p->needInterrupt || interruptIndex < p->interruptIndex)
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{
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p->interruptIndex = interruptIndex;
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p->needInterrupt = True;
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}
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CriticalSection_Leave(&p->mtProgress.cs);
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}
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Byte *MtDec_GetCrossBuff(CMtDec *p)
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{
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Byte *cr = p->crossBlock;
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if (!cr)
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{
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cr = (Byte *)ISzAlloc_Alloc(p->alloc, MTDEC__LINK_DATA_OFFSET + p->inBufSize);
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if (!cr)
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return NULL;
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p->crossBlock = cr;
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}
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return MTDEC__DATA_PTR_FROM_LINK(cr);
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}
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/*
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MtDec_ThreadFunc2() returns:
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0 - in all normal cases (even for stream error or memory allocation error)
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(!= 0) - WRes error return by system threading function
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*/
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// #define MTDEC_ProgessStep (1 << 22)
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#define MTDEC_ProgessStep (1 << 0)
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static WRes MtDec_ThreadFunc2(CMtDecThread *t)
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{
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CMtDec *p = t->mtDec;
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PRF_STR_INT("MtDec_ThreadFunc2", t->index)
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// SetThreadAffinityMask(GetCurrentThread(), 1 << t->index);
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for (;;)
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{
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SRes res, codeRes;
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BoolInt wasInterrupted, isAllocError, overflow, finish;
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SRes threadingErrorSRes;
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BoolInt needCode, needWrite, needContinue;
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size_t inDataSize_Start;
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UInt64 inDataSize;
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// UInt64 inDataSize_Full;
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UInt64 blockIndex;
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UInt64 inPrev = 0;
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UInt64 outPrev = 0;
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UInt64 inCodePos;
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UInt64 outCodePos;
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Byte *afterEndData = NULL;
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size_t afterEndData_Size = 0;
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BoolInt afterEndData_IsCross = False;
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BoolInt canCreateNewThread = False;
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// CMtDecCallbackInfo parse;
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CMtDecThread *nextThread;
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PRF_STR_INT("=============== Event_Wait(&t->canRead)", t->index)
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RINOK_THREAD(Event_Wait(&t->canRead))
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if (p->exitThread)
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return 0;
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PRF_STR_INT("after Event_Wait(&t->canRead)", t->index)
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// if (t->index == 3) return 19; // for test
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blockIndex = p->blockIndex++;
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// PRF(printf("\ncanRead\n"))
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res = MtDec_Progress_GetError_Spec(p, 0, 0, blockIndex, &wasInterrupted);
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finish = p->readWasFinished;
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needCode = False;
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needWrite = False;
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isAllocError = False;
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overflow = False;
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inDataSize_Start = 0;
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inDataSize = 0;
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// inDataSize_Full = 0;
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if (res == SZ_OK && !wasInterrupted)
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{
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// if (p->inStream)
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{
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CMtDecBufLink *prev = NULL;
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CMtDecBufLink *link = (CMtDecBufLink *)t->inBuf;
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size_t crossSize = p->crossEnd - p->crossStart;
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PRF(printf("\ncrossSize = %d\n", crossSize));
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for (;;)
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{
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if (!link)
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{
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link = (CMtDecBufLink *)ISzAlloc_Alloc(p->alloc, MTDEC__LINK_DATA_OFFSET + p->inBufSize);
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if (!link)
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{
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finish = True;
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// p->allocError_for_Read_BlockIndex = blockIndex;
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isAllocError = True;
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break;
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}
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link->next = NULL;
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if (prev)
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{
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// static unsigned g_num = 0;
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// printf("\n%6d : %x", ++g_num, (unsigned)(size_t)((Byte *)link - (Byte *)prev));
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prev->next = link;
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}
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else
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t->inBuf = (void *)link;
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}
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{
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Byte *data = MTDEC__DATA_PTR_FROM_LINK(link);
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Byte *parseData = data;
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size_t size;
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if (crossSize != 0)
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{
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inDataSize = crossSize;
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// inDataSize_Full = inDataSize;
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inDataSize_Start = crossSize;
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size = crossSize;
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parseData = MTDEC__DATA_PTR_FROM_LINK(p->crossBlock) + p->crossStart;
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PRF(printf("\ncross : crossStart = %7d crossEnd = %7d finish = %1d",
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(int)p->crossStart, (int)p->crossEnd, (int)finish));
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}
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else
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{
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size = p->inBufSize;
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res = SeqInStream_ReadMax(p->inStream, data, &size);
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// size = 10; // test
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inDataSize += size;
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// inDataSize_Full = inDataSize;
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if (!prev)
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inDataSize_Start = size;
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p->readProcessed += size;
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finish = (size != p->inBufSize);
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if (finish)
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p->readWasFinished = True;
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// res = E_INVALIDARG; // test
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if (res != SZ_OK)
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{
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// PRF(printf("\nRead error = %d\n", res))
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// we want to decode all data before error
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p->readRes = res;
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// p->readError_BlockIndex = blockIndex;
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p->readWasFinished = True;
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finish = True;
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res = SZ_OK;
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// break;
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}
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if (inDataSize - inPrev >= MTDEC_ProgessStep)
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{
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res = MtDec_Progress_GetError_Spec(p, 0, 0, blockIndex, &wasInterrupted);
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if (res != SZ_OK || wasInterrupted)
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break;
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inPrev = inDataSize;
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}
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}
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{
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CMtDecCallbackInfo parse;
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parse.startCall = (prev == NULL);
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parse.src = parseData;
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parse.srcSize = size;
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parse.srcFinished = finish;
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parse.canCreateNewThread = True;
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PRF(printf("\nParse size = %d\n", (unsigned)size));
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p->mtCallback->Parse(p->mtCallbackObject, t->index, &parse);
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PRF(printf(" Parse processed = %d, state = %d \n", (unsigned)parse.srcSize, (unsigned)parse.state));
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needWrite = True;
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canCreateNewThread = parse.canCreateNewThread;
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// printf("\n\n%12I64u %12I64u", (UInt64)p->mtProgress.totalInSize, (UInt64)p->mtProgress.totalOutSize);
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if (
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// parseRes != SZ_OK ||
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// inDataSize - (size - parse.srcSize) > p->inBlockMax
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// ||
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parse.state == MTDEC_PARSE_OVERFLOW
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// || wasInterrupted
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)
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{
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// Overflow or Parse error - switch from MT decoding to ST decoding
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finish = True;
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overflow = True;
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{
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PRF(printf("\n Overflow"));
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// PRF(printf("\nisBlockFinished = %d", (unsigned)parse.blockWasFinished));
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PRF(printf("\n inDataSize = %d", (unsigned)inDataSize));
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}
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if (crossSize != 0)
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memcpy(data, parseData, size);
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p->crossStart = 0;
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p->crossEnd = 0;
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break;
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}
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if (crossSize != 0)
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{
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memcpy(data, parseData, parse.srcSize);
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p->crossStart += parse.srcSize;
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}
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if (parse.state != MTDEC_PARSE_CONTINUE || finish)
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{
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// we don't need to parse in current thread anymore
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if (parse.state == MTDEC_PARSE_END)
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finish = True;
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needCode = True;
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// p->crossFinished = finish;
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if (parse.srcSize == size)
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{
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// full parsed - no cross transfer
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p->crossStart = 0;
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p->crossEnd = 0;
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break;
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}
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if (parse.state == MTDEC_PARSE_END)
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{
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afterEndData = parseData + parse.srcSize;
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afterEndData_Size = size - parse.srcSize;
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if (crossSize != 0)
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afterEndData_IsCross = True;
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// we reduce data size to required bytes (parsed only)
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inDataSize -= afterEndData_Size;
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if (!prev)
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inDataSize_Start = parse.srcSize;
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break;
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}
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{
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// partial parsed - need cross transfer
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if (crossSize != 0)
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inDataSize = parse.srcSize; // it's only parsed now
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else
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{
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// partial parsed - is not in initial cross block - we need to copy new data to cross block
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Byte *cr = MtDec_GetCrossBuff(p);
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if (!cr)
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{
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{
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PRF(printf("\ncross alloc error error\n"));
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// res = SZ_ERROR_MEM;
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finish = True;
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// p->allocError_for_Read_BlockIndex = blockIndex;
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isAllocError = True;
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break;
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}
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}
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{
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size_t crSize = size - parse.srcSize;
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inDataSize -= crSize;
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p->crossEnd = crSize;
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p->crossStart = 0;
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memcpy(cr, parseData + parse.srcSize, crSize);
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}
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}
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// inDataSize_Full = inDataSize;
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if (!prev)
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inDataSize_Start = parse.srcSize; // it's partial size (parsed only)
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finish = False;
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break;
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}
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}
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if (parse.srcSize != size)
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{
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res = SZ_ERROR_FAIL;
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PRF(printf("\nfinished error SZ_ERROR_FAIL = %d\n", res));
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break;
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}
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}
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}
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prev = link;
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link = link->next;
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if (crossSize != 0)
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{
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crossSize = 0;
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p->crossStart = 0;
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p->crossEnd = 0;
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}
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}
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}
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if (res == SZ_OK)
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res = MtDec_GetError_Spec(p, blockIndex, &wasInterrupted);
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}
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codeRes = SZ_OK;
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if (res == SZ_OK && needCode && !wasInterrupted)
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{
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codeRes = p->mtCallback->PreCode(p->mtCallbackObject, t->index);
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if (codeRes != SZ_OK)
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{
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needCode = False;
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finish = True;
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// SZ_ERROR_MEM is expected error here.
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// if (codeRes == SZ_ERROR_MEM) - we will try single-thread decoding later.
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// if (codeRes != SZ_ERROR_MEM) - we can stop decoding or try single-thread decoding.
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}
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}
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if (res != SZ_OK || wasInterrupted)
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finish = True;
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nextThread = NULL;
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threadingErrorSRes = SZ_OK;
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if (!finish)
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{
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if (p->numStartedThreads < p->numStartedThreads_Limit && canCreateNewThread)
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{
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SRes res2 = MtDecThread_CreateAndStart(&p->threads[p->numStartedThreads]);
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if (res2 == SZ_OK)
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{
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|
// if (p->numStartedThreads % 1000 == 0) PRF(printf("\n numStartedThreads=%d\n", p->numStartedThreads));
|
|
p->numStartedThreads++;
|
|
}
|
|
else
|
|
{
|
|
PRF(printf("\nERROR: numStartedThreads=%d\n", p->numStartedThreads));
|
|
if (p->numStartedThreads == 1)
|
|
{
|
|
// if only one thread is possible, we leave muti-threading code
|
|
finish = True;
|
|
needCode = False;
|
|
threadingErrorSRes = res2;
|
|
}
|
|
else
|
|
p->numStartedThreads_Limit = p->numStartedThreads;
|
|
}
|
|
}
|
|
|
|
if (!finish)
|
|
{
|
|
unsigned nextIndex = t->index + 1;
|
|
nextThread = &p->threads[nextIndex >= p->numStartedThreads ? 0 : nextIndex];
|
|
RINOK_THREAD(Event_Set(&nextThread->canRead))
|
|
// We have started executing for new iteration (with next thread)
|
|
// And that next thread now is responsible for possible exit from decoding (threading_code)
|
|
}
|
|
}
|
|
|
|
// each call of Event_Set(&nextThread->canRead) must be followed by call of Event_Set(&nextThread->canWrite)
|
|
// if ( !finish ) we must call Event_Set(&nextThread->canWrite) in any case
|
|
// if ( finish ) we switch to single-thread mode and there are 2 ways at the end of current iteration (current block):
|
|
// - if (needContinue) after Write(&needContinue), we restore decoding with new iteration
|
|
// - otherwise we stop decoding and exit from MtDec_ThreadFunc2()
|
|
|
|
// Don't change (finish) variable in the further code
|
|
|
|
|
|
// ---------- CODE ----------
|
|
|
|
inPrev = 0;
|
|
outPrev = 0;
|
|
inCodePos = 0;
|
|
outCodePos = 0;
|
|
|
|
if (res == SZ_OK && needCode && codeRes == SZ_OK)
|
|
{
|
|
BoolInt isStartBlock = True;
|
|
CMtDecBufLink *link = (CMtDecBufLink *)t->inBuf;
|
|
|
|
for (;;)
|
|
{
|
|
size_t inSize;
|
|
int stop;
|
|
|
|
if (isStartBlock)
|
|
inSize = inDataSize_Start;
|
|
else
|
|
{
|
|
UInt64 rem = inDataSize - inCodePos;
|
|
inSize = p->inBufSize;
|
|
if (inSize > rem)
|
|
inSize = (size_t)rem;
|
|
}
|
|
|
|
inCodePos += inSize;
|
|
stop = True;
|
|
|
|
codeRes = p->mtCallback->Code(p->mtCallbackObject, t->index,
|
|
(const Byte *)MTDEC__DATA_PTR_FROM_LINK(link), inSize,
|
|
(inCodePos == inDataSize), // srcFinished
|
|
&inCodePos, &outCodePos, &stop);
|
|
|
|
if (codeRes != SZ_OK)
|
|
{
|
|
PRF(printf("\nCode Interrupt error = %x\n", codeRes));
|
|
// we interrupt only later blocks
|
|
MtDec_Interrupt(p, blockIndex);
|
|
break;
|
|
}
|
|
|
|
if (stop || inCodePos == inDataSize)
|
|
break;
|
|
|
|
{
|
|
const UInt64 inDelta = inCodePos - inPrev;
|
|
const UInt64 outDelta = outCodePos - outPrev;
|
|
if (inDelta >= MTDEC_ProgessStep || outDelta >= MTDEC_ProgessStep)
|
|
{
|
|
// Sleep(1);
|
|
res = MtDec_Progress_GetError_Spec(p, inDelta, outDelta, blockIndex, &wasInterrupted);
|
|
if (res != SZ_OK || wasInterrupted)
|
|
break;
|
|
inPrev = inCodePos;
|
|
outPrev = outCodePos;
|
|
}
|
|
}
|
|
|
|
link = link->next;
|
|
isStartBlock = False;
|
|
}
|
|
}
|
|
|
|
|
|
// ---------- WRITE ----------
|
|
|
|
RINOK_THREAD(Event_Wait(&t->canWrite))
|
|
|
|
{
|
|
BoolInt isErrorMode = False;
|
|
BoolInt canRecode = True;
|
|
BoolInt needWriteToStream = needWrite;
|
|
|
|
if (p->exitThread) return 0; // it's never executed in normal cases
|
|
|
|
if (p->wasInterrupted)
|
|
wasInterrupted = True;
|
|
else
|
|
{
|
|
if (codeRes != SZ_OK) // || !needCode // check it !!!
|
|
{
|
|
p->wasInterrupted = True;
|
|
p->codeRes = codeRes;
|
|
if (codeRes == SZ_ERROR_MEM)
|
|
isAllocError = True;
|
|
}
|
|
|
|
if (threadingErrorSRes)
|
|
{
|
|
p->wasInterrupted = True;
|
|
p->threadingErrorSRes = threadingErrorSRes;
|
|
needWriteToStream = False;
|
|
}
|
|
if (isAllocError)
|
|
{
|
|
p->wasInterrupted = True;
|
|
p->isAllocError = True;
|
|
needWriteToStream = False;
|
|
}
|
|
if (overflow)
|
|
{
|
|
p->wasInterrupted = True;
|
|
p->overflow = True;
|
|
needWriteToStream = False;
|
|
}
|
|
}
|
|
|
|
if (needCode)
|
|
{
|
|
if (wasInterrupted)
|
|
{
|
|
inCodePos = 0;
|
|
outCodePos = 0;
|
|
}
|
|
{
|
|
const UInt64 inDelta = inCodePos - inPrev;
|
|
const UInt64 outDelta = outCodePos - outPrev;
|
|
// if (inDelta != 0 || outDelta != 0)
|
|
res = MtProgress_ProgressAdd(&p->mtProgress, inDelta, outDelta);
|
|
}
|
|
}
|
|
|
|
needContinue = (!finish);
|
|
|
|
// if (res == SZ_OK && needWrite && !wasInterrupted)
|
|
if (needWrite)
|
|
{
|
|
// p->inProcessed += inCodePos;
|
|
|
|
PRF(printf("\n--Write afterSize = %d\n", (unsigned)afterEndData_Size));
|
|
|
|
res = p->mtCallback->Write(p->mtCallbackObject, t->index,
|
|
res == SZ_OK && needWriteToStream && !wasInterrupted, // needWrite
|
|
afterEndData, afterEndData_Size, afterEndData_IsCross,
|
|
&needContinue,
|
|
&canRecode);
|
|
|
|
// res = SZ_ERROR_FAIL; // for test
|
|
|
|
PRF(printf("\nAfter Write needContinue = %d\n", (unsigned)needContinue));
|
|
PRF(printf("\nprocessed = %d\n", (unsigned)p->inProcessed));
|
|
|
|
if (res != SZ_OK)
|
|
{
|
|
PRF(printf("\nWrite error = %d\n", res));
|
|
isErrorMode = True;
|
|
p->wasInterrupted = True;
|
|
}
|
|
if (res != SZ_OK
|
|
|| (!needContinue && !finish))
|
|
{
|
|
PRF(printf("\nWrite Interrupt error = %x\n", res));
|
|
MtDec_Interrupt(p, blockIndex);
|
|
}
|
|
}
|
|
|
|
if (canRecode)
|
|
if (!needCode
|
|
|| res != SZ_OK
|
|
|| p->wasInterrupted
|
|
|| codeRes != SZ_OK
|
|
|| wasInterrupted
|
|
|| p->numFilledThreads != 0
|
|
|| isErrorMode)
|
|
{
|
|
if (p->numFilledThreads == 0)
|
|
p->filledThreadStart = t->index;
|
|
if (inDataSize != 0 || !finish)
|
|
{
|
|
t->inDataSize_Start = inDataSize_Start;
|
|
t->inDataSize = inDataSize;
|
|
p->numFilledThreads++;
|
|
}
|
|
PRF(printf("\np->numFilledThreads = %d\n", p->numFilledThreads));
|
|
PRF(printf("p->filledThreadStart = %d\n", p->filledThreadStart));
|
|
}
|
|
|
|
if (!finish)
|
|
{
|
|
RINOK_THREAD(Event_Set(&nextThread->canWrite))
|
|
}
|
|
else
|
|
{
|
|
if (needContinue)
|
|
{
|
|
// we restore decoding with new iteration
|
|
RINOK_THREAD(Event_Set(&p->threads[0].canWrite))
|
|
}
|
|
else
|
|
{
|
|
// we exit from decoding
|
|
if (t->index == 0)
|
|
return SZ_OK;
|
|
p->exitThread = True;
|
|
}
|
|
RINOK_THREAD(Event_Set(&p->threads[0].canRead))
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
#ifdef _WIN32
|
|
#define USE_ALLOCA
|
|
#endif
|
|
|
|
#ifdef USE_ALLOCA
|
|
#ifdef _WIN32
|
|
#include <malloc.h>
|
|
#else
|
|
#include <stdlib.h>
|
|
#endif
|
|
#endif
|
|
|
|
|
|
static THREAD_FUNC_DECL MtDec_ThreadFunc1(void *pp)
|
|
{
|
|
WRes res;
|
|
|
|
CMtDecThread *t = (CMtDecThread *)pp;
|
|
CMtDec *p;
|
|
|
|
// fprintf(stdout, "\n%d = %p\n", t->index, &t);
|
|
|
|
res = MtDec_ThreadFunc2(t);
|
|
p = t->mtDec;
|
|
if (res == 0)
|
|
return (THREAD_FUNC_RET_TYPE)(UINT_PTR)p->exitThreadWRes;
|
|
{
|
|
// it's unexpected situation for some threading function error
|
|
if (p->exitThreadWRes == 0)
|
|
p->exitThreadWRes = res;
|
|
PRF(printf("\nthread exit error = %d\n", res));
|
|
p->exitThread = True;
|
|
Event_Set(&p->threads[0].canRead);
|
|
Event_Set(&p->threads[0].canWrite);
|
|
MtProgress_SetError(&p->mtProgress, MY_SRes_HRESULT_FROM_WRes(res));
|
|
}
|
|
return (THREAD_FUNC_RET_TYPE)(UINT_PTR)res;
|
|
}
|
|
|
|
static Z7_NO_INLINE THREAD_FUNC_DECL MtDec_ThreadFunc(void *pp)
|
|
{
|
|
#ifdef USE_ALLOCA
|
|
CMtDecThread *t = (CMtDecThread *)pp;
|
|
// fprintf(stderr, "\n%d = %p - before", t->index, &t);
|
|
t->allocaPtr = alloca(t->index * 128);
|
|
#endif
|
|
return MtDec_ThreadFunc1(pp);
|
|
}
|
|
|
|
|
|
int MtDec_PrepareRead(CMtDec *p)
|
|
{
|
|
if (p->crossBlock && p->crossStart == p->crossEnd)
|
|
{
|
|
ISzAlloc_Free(p->alloc, p->crossBlock);
|
|
p->crossBlock = NULL;
|
|
}
|
|
|
|
{
|
|
unsigned i;
|
|
for (i = 0; i < MTDEC_THREADS_MAX; i++)
|
|
if (i > p->numStartedThreads
|
|
|| p->numFilledThreads <=
|
|
(i >= p->filledThreadStart ?
|
|
i - p->filledThreadStart :
|
|
i + p->numStartedThreads - p->filledThreadStart))
|
|
MtDecThread_FreeInBufs(&p->threads[i]);
|
|
}
|
|
|
|
return (p->numFilledThreads != 0) || (p->crossStart != p->crossEnd);
|
|
}
|
|
|
|
|
|
const Byte *MtDec_Read(CMtDec *p, size_t *inLim)
|
|
{
|
|
while (p->numFilledThreads != 0)
|
|
{
|
|
CMtDecThread *t = &p->threads[p->filledThreadStart];
|
|
|
|
if (*inLim != 0)
|
|
{
|
|
{
|
|
void *link = t->inBuf;
|
|
void *next = ((CMtDecBufLink *)link)->next;
|
|
ISzAlloc_Free(p->alloc, link);
|
|
t->inBuf = next;
|
|
}
|
|
|
|
if (t->inDataSize == 0)
|
|
{
|
|
MtDecThread_FreeInBufs(t);
|
|
if (--p->numFilledThreads == 0)
|
|
break;
|
|
if (++p->filledThreadStart == p->numStartedThreads)
|
|
p->filledThreadStart = 0;
|
|
t = &p->threads[p->filledThreadStart];
|
|
}
|
|
}
|
|
|
|
{
|
|
size_t lim = t->inDataSize_Start;
|
|
if (lim != 0)
|
|
t->inDataSize_Start = 0;
|
|
else
|
|
{
|
|
UInt64 rem = t->inDataSize;
|
|
lim = p->inBufSize;
|
|
if (lim > rem)
|
|
lim = (size_t)rem;
|
|
}
|
|
t->inDataSize -= lim;
|
|
*inLim = lim;
|
|
return (const Byte *)MTDEC__DATA_PTR_FROM_LINK(t->inBuf);
|
|
}
|
|
}
|
|
|
|
{
|
|
size_t crossSize = p->crossEnd - p->crossStart;
|
|
if (crossSize != 0)
|
|
{
|
|
const Byte *data = MTDEC__DATA_PTR_FROM_LINK(p->crossBlock) + p->crossStart;
|
|
*inLim = crossSize;
|
|
p->crossStart = 0;
|
|
p->crossEnd = 0;
|
|
return data;
|
|
}
|
|
*inLim = 0;
|
|
if (p->crossBlock)
|
|
{
|
|
ISzAlloc_Free(p->alloc, p->crossBlock);
|
|
p->crossBlock = NULL;
|
|
}
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
|
|
void MtDec_Construct(CMtDec *p)
|
|
{
|
|
unsigned i;
|
|
|
|
p->inBufSize = (size_t)1 << 18;
|
|
|
|
p->numThreadsMax = 0;
|
|
|
|
p->inStream = NULL;
|
|
|
|
// p->inData = NULL;
|
|
// p->inDataSize = 0;
|
|
|
|
p->crossBlock = NULL;
|
|
p->crossStart = 0;
|
|
p->crossEnd = 0;
|
|
|
|
p->numFilledThreads = 0;
|
|
|
|
p->progress = NULL;
|
|
p->alloc = NULL;
|
|
|
|
p->mtCallback = NULL;
|
|
p->mtCallbackObject = NULL;
|
|
|
|
p->allocatedBufsSize = 0;
|
|
|
|
for (i = 0; i < MTDEC_THREADS_MAX; i++)
|
|
{
|
|
CMtDecThread *t = &p->threads[i];
|
|
t->mtDec = p;
|
|
t->index = i;
|
|
t->inBuf = NULL;
|
|
Event_Construct(&t->canRead);
|
|
Event_Construct(&t->canWrite);
|
|
Thread_CONSTRUCT(&t->thread)
|
|
}
|
|
|
|
// Event_Construct(&p->finishedEvent);
|
|
|
|
CriticalSection_Init(&p->mtProgress.cs);
|
|
}
|
|
|
|
|
|
static void MtDec_Free(CMtDec *p)
|
|
{
|
|
unsigned i;
|
|
|
|
p->exitThread = True;
|
|
|
|
for (i = 0; i < MTDEC_THREADS_MAX; i++)
|
|
MtDecThread_Destruct(&p->threads[i]);
|
|
|
|
// Event_Close(&p->finishedEvent);
|
|
|
|
if (p->crossBlock)
|
|
{
|
|
ISzAlloc_Free(p->alloc, p->crossBlock);
|
|
p->crossBlock = NULL;
|
|
}
|
|
}
|
|
|
|
|
|
void MtDec_Destruct(CMtDec *p)
|
|
{
|
|
MtDec_Free(p);
|
|
|
|
CriticalSection_Delete(&p->mtProgress.cs);
|
|
}
|
|
|
|
|
|
SRes MtDec_Code(CMtDec *p)
|
|
{
|
|
unsigned i;
|
|
|
|
p->inProcessed = 0;
|
|
|
|
p->blockIndex = 1; // it must be larger than not_defined index (0)
|
|
p->isAllocError = False;
|
|
p->overflow = False;
|
|
p->threadingErrorSRes = SZ_OK;
|
|
|
|
p->needContinue = True;
|
|
|
|
p->readWasFinished = False;
|
|
p->needInterrupt = False;
|
|
p->interruptIndex = (UInt64)(Int64)-1;
|
|
|
|
p->readProcessed = 0;
|
|
p->readRes = SZ_OK;
|
|
p->codeRes = SZ_OK;
|
|
p->wasInterrupted = False;
|
|
|
|
p->crossStart = 0;
|
|
p->crossEnd = 0;
|
|
|
|
p->filledThreadStart = 0;
|
|
p->numFilledThreads = 0;
|
|
|
|
{
|
|
unsigned numThreads = p->numThreadsMax;
|
|
if (numThreads > MTDEC_THREADS_MAX)
|
|
numThreads = MTDEC_THREADS_MAX;
|
|
p->numStartedThreads_Limit = numThreads;
|
|
p->numStartedThreads = 0;
|
|
}
|
|
|
|
if (p->inBufSize != p->allocatedBufsSize)
|
|
{
|
|
for (i = 0; i < MTDEC_THREADS_MAX; i++)
|
|
{
|
|
CMtDecThread *t = &p->threads[i];
|
|
if (t->inBuf)
|
|
MtDecThread_FreeInBufs(t);
|
|
}
|
|
if (p->crossBlock)
|
|
{
|
|
ISzAlloc_Free(p->alloc, p->crossBlock);
|
|
p->crossBlock = NULL;
|
|
}
|
|
|
|
p->allocatedBufsSize = p->inBufSize;
|
|
}
|
|
|
|
MtProgress_Init(&p->mtProgress, p->progress);
|
|
|
|
// RINOK_THREAD(AutoResetEvent_OptCreate_And_Reset(&p->finishedEvent))
|
|
p->exitThread = False;
|
|
p->exitThreadWRes = 0;
|
|
|
|
{
|
|
WRes wres;
|
|
SRes sres;
|
|
CMtDecThread *nextThread = &p->threads[p->numStartedThreads++];
|
|
// wres = MtDecThread_CreateAndStart(nextThread);
|
|
wres = MtDecThread_CreateEvents(nextThread);
|
|
if (wres == 0) { wres = Event_Set(&nextThread->canWrite);
|
|
if (wres == 0) { wres = Event_Set(&nextThread->canRead);
|
|
if (wres == 0) { THREAD_FUNC_RET_TYPE res = MtDec_ThreadFunc(nextThread);
|
|
wres = (WRes)(UINT_PTR)res;
|
|
if (wres != 0)
|
|
{
|
|
p->needContinue = False;
|
|
MtDec_CloseThreads(p);
|
|
}}}}
|
|
|
|
// wres = 17; // for test
|
|
// wres = Event_Wait(&p->finishedEvent);
|
|
|
|
sres = MY_SRes_HRESULT_FROM_WRes(wres);
|
|
|
|
if (sres != 0)
|
|
p->threadingErrorSRes = sres;
|
|
|
|
if (
|
|
// wres == 0
|
|
// wres != 0
|
|
// || p->mtc.codeRes == SZ_ERROR_MEM
|
|
p->isAllocError
|
|
|| p->threadingErrorSRes != SZ_OK
|
|
|| p->overflow)
|
|
{
|
|
// p->needContinue = True;
|
|
}
|
|
else
|
|
p->needContinue = False;
|
|
|
|
if (p->needContinue)
|
|
return SZ_OK;
|
|
|
|
// if (sres != SZ_OK)
|
|
return sres;
|
|
// return SZ_ERROR_FAIL;
|
|
}
|
|
}
|
|
|
|
#endif
|
|
|
|
#undef PRF
|