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Overview
Comment: | Fix the sqlite3_release_memory() interface so that it does not attempt to free SQLITE_CONFIG_PAGECACHE memory. |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA1: |
0426cd62d5ef2bd09570835c78f8fc3b |
User & Date: | drh 2010-08-20 09:14:13.000 |
Context
2010-08-20
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09:53 | Disable the MEMSYS2 auxiliary routines if MEMSYS2 is changed to an alternative memory allocator using SQLITE_CONFIG_MALLOC. (check-in: 541dd3b870 user: drh tags: trunk) | |
09:14 | Fix the sqlite3_release_memory() interface so that it does not attempt to free SQLITE_CONFIG_PAGECACHE memory. (check-in: 0426cd62d5 user: drh tags: trunk) | |
2010-08-19
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18:05 | Adjust filename globbing in backcompat.test for Windows. (check-in: b0f4796306 user: shaneh tags: trunk) | |
Changes
Changes to src/pcache1.c.
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196 197 198 199 200 201 202 203 204 205 206 207 208 209 | sqlite3MemdebugSetType(p, MEMTYPE_HEAP); iSize = sqlite3MallocSize(p); sqlite3StatusAdd(SQLITE_STATUS_PAGECACHE_OVERFLOW, -iSize); sqlite3_free(p); } } /* ** Allocate a new page object initially associated with cache pCache. */ static PgHdr1 *pcache1AllocPage(PCache1 *pCache){ int nByte = sizeof(PgHdr1) + pCache->szPage; void *pPg = pcache1Alloc(nByte); PgHdr1 *p; | > > > > > > > > > > > > > > > > > > > | 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 | sqlite3MemdebugSetType(p, MEMTYPE_HEAP); iSize = sqlite3MallocSize(p); sqlite3StatusAdd(SQLITE_STATUS_PAGECACHE_OVERFLOW, -iSize); sqlite3_free(p); } } #ifdef SQLITE_ENABLE_MEMORY_MANAGEMENT /* ** Return the size of a pache allocation */ static int pcache1MemSize(void *p){ assert( sqlite3_mutex_held(pcache1.mutex) ); if( p>=pcache1.pStart && p<pcache1.pEnd ){ return pcache1.szSlot; }else{ int iSize; assert( sqlite3MemdebugHasType(p, MEMTYPE_PCACHE) ); sqlite3MemdebugSetType(p, MEMTYPE_HEAP); iSize = sqlite3MallocSize(p); sqlite3MemdebugSetType(p, MEMTYPE_PCACHE); return iSize; } } #endif /* SQLITE_ENABLE_MEMORY_MANAGEMENT */ /* ** Allocate a new page object initially associated with cache pCache. */ static PgHdr1 *pcache1AllocPage(PCache1 *pCache){ int nByte = sizeof(PgHdr1) + pCache->szPage; void *pPg = pcache1Alloc(nByte); PgHdr1 *p; |
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744 745 746 747 748 749 750 | */ int sqlite3PcacheReleaseMemory(int nReq){ int nFree = 0; if( pcache1.pStart==0 ){ PgHdr1 *p; pcache1EnterMutex(); while( (nReq<0 || nFree<nReq) && (p=pcache1.pLruTail) ){ | | | 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 | */ int sqlite3PcacheReleaseMemory(int nReq){ int nFree = 0; if( pcache1.pStart==0 ){ PgHdr1 *p; pcache1EnterMutex(); while( (nReq<0 || nFree<nReq) && (p=pcache1.pLruTail) ){ nFree += pcache1MemSize(PGHDR1_TO_PAGE(p)); pcache1PinPage(p); pcache1RemoveFromHash(p); pcache1FreePage(p); } pcache1LeaveMutex(); } return nFree; |
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