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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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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | threads |
| Files: | files | file ages | folders |
| SHA1: |
e0dea89b3e9f295f80210fcca007681b |
| User & Date: | drh 2014-05-03 11:22:09 |
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: 13686035 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: e0dea89b 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: d7ed529f user: mistachkin tags: threads | |
Changes
Changes to src/global.c.
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 */
0, /* 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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| |
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.
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 |
Changes to src/vdbesort.c.
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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