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Overview
| Comment: | Add the SQLITE_DEFAULT_WORKER_THREADS compile-time option. Fix a NULL-pointer dereference that can occur following OOM. |
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| SHA1: |
e0dea89b3e9f295f80210fcca007681b |
| User & Date: | drh 2014-05-03 11:22:09.616 |
Context
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2014-05-03
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| 12:00 | Add two new static mutexes, SQLITE_MUTEX_STATIC_APP1 and _APP2, for use by the application program. First intended use is in test programs for the memory allocation logic where one does not want to allocating a _FAST or _RECURSIVE mutex since that would involve using the memory allocation system under test. (check-in: 13686035dd user: drh tags: threads) | |
| 11:22 | Add the SQLITE_DEFAULT_WORKER_THREADS compile-time option. Fix a NULL-pointer dereference that can occur following OOM. (check-in: e0dea89b3e user: drh tags: threads) | |
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2014-05-02
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| 19:12 | Fix typo in Windows makefile. Make sure the WaitForSingleObjectEx system call is always available. (check-in: d7ed529fa2 user: mistachkin tags: threads) | |
Changes
Changes to src/global.c.
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163 164 165 166 167 168 169 | 0, /* szScratch */ 0, /* nScratch */ (void*)0, /* pPage */ 0, /* szPage */ 0, /* nPage */ 0, /* mxParserStack */ 0, /* sharedCacheEnabled */ | | | 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 | 0, /* szScratch */ 0, /* nScratch */ (void*)0, /* pPage */ 0, /* szPage */ 0, /* nPage */ 0, /* mxParserStack */ 0, /* sharedCacheEnabled */ SQLITE_DEFAULT_WORKER_THREADS, /* nWorker */ /* All the rest should always be initialized to zero */ 0, /* isInit */ 0, /* inProgress */ 0, /* isMutexInit */ 0, /* isMallocInit */ 0, /* isPCacheInit */ 0, /* pInitMutex */ |
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Changes to src/sqliteInt.h.
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429 430 431 432 433 434 435 436 437 438 439 440 441 442 | */ #if SQLITE_TEMP_STORE==3 # undef SQLITE_MAX_WORKER_THREADS #endif #ifndef SQLITE_MAX_WORKER_THREADS # define SQLITE_MAX_WORKER_THREADS 0 #endif /* ** GCC does not define the offsetof() macro so we'll have to do it ** ourselves. */ #ifndef offsetof | > > > > > > > | 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 | */ #if SQLITE_TEMP_STORE==3 # undef SQLITE_MAX_WORKER_THREADS #endif #ifndef SQLITE_MAX_WORKER_THREADS # define SQLITE_MAX_WORKER_THREADS 0 #endif #ifndef SQLITE_DEFAULT_WORKER_THREADS # define SQLITE_DEFAULT_WORKER_THREADS 0 #endif #if SQLITE_DEFAULT_WORKER_THREADS>SQLITE_MAX_WORKER_THREADS # undef SQLITE_MAX_WORKER_THREADS # define SQLITE_MAX_WORKER_THREADS SQLITE_DEFAULT_WORKER_THREADS #endif /* ** GCC does not define the offsetof() macro so we'll have to do it ** ourselves. */ #ifndef offsetof |
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Changes to src/vdbesort.c.
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2175 2176 2177 2178 2179 2180 2181 2182 2183 2184 2185 2186 2187 2188 |
int iTask;
PmaReader *pIter;
SortSubtask *pLast = &pSorter->aTask[pSorter->nTask-1];
rc = vdbeSortAllocUnpacked(pLast);
if( rc==SQLITE_OK ){
pIter = (PmaReader*)sqlite3DbMallocZero(db, sizeof(PmaReader));
pSorter->pReader = pIter;
}
if( rc==SQLITE_OK ){
rc = vdbeIncrNew(pLast, pMain, &pIter->pIncr);
if( rc==SQLITE_OK ){
vdbeIncrSetThreads(pIter->pIncr, pSorter->bUseThreads);
for(iTask=0; iTask<(pSorter->nTask-1); iTask++){
IncrMerger *pIncr;
| > | 2175 2176 2177 2178 2179 2180 2181 2182 2183 2184 2185 2186 2187 2188 2189 |
int iTask;
PmaReader *pIter;
SortSubtask *pLast = &pSorter->aTask[pSorter->nTask-1];
rc = vdbeSortAllocUnpacked(pLast);
if( rc==SQLITE_OK ){
pIter = (PmaReader*)sqlite3DbMallocZero(db, sizeof(PmaReader));
pSorter->pReader = pIter;
if( pIter==0 ) rc = SQLITE_NOMEM;
}
if( rc==SQLITE_OK ){
rc = vdbeIncrNew(pLast, pMain, &pIter->pIncr);
if( rc==SQLITE_OK ){
vdbeIncrSetThreads(pIter->pIncr, pSorter->bUseThreads);
for(iTask=0; iTask<(pSorter->nTask-1); iTask++){
IncrMerger *pIncr;
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