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Enhance ability to debug out-of-memory errors.

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FossilOrigin-Name: 6a9c4a3ebfb7cc0738ef6634440ccab44a21ff28
This commit is contained in:
mistachkin
2016-02-13 23:43:46 +00:00
parent e75a9eb9bb
commit fad3039c51
37 changed files with 282 additions and 260 deletions
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18
src/wal.c
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@@ -546,7 +546,7 @@ static int walIndexPage(Wal *pWal, int iPage, volatile u32 **ppPage){
apNew = (volatile u32 **)sqlite3_realloc64((void *)pWal->apWiData, nByte);
if( !apNew ){
*ppPage = 0;
return SQLITE_NOMEM;
return SQLITE_NOMEM_BKPT;
}
memset((void*)&apNew[pWal->nWiData], 0,
sizeof(u32*)*(iPage+1-pWal->nWiData));
@@ -558,7 +558,7 @@ static int walIndexPage(Wal *pWal, int iPage, volatile u32 **ppPage){
if( pWal->apWiData[iPage]==0 ){
if( pWal->exclusiveMode==WAL_HEAPMEMORY_MODE ){
pWal->apWiData[iPage] = (u32 volatile *)sqlite3MallocZero(WALINDEX_PGSZ);
if( !pWal->apWiData[iPage] ) rc = SQLITE_NOMEM;
if( !pWal->apWiData[iPage] ) rc = SQLITE_NOMEM_BKPT;
}else{
rc = sqlite3OsShmMap(pWal->pDbFd, iPage, WALINDEX_PGSZ,
pWal->writeLock, (void volatile **)&pWal->apWiData[iPage]
@@ -1173,7 +1173,7 @@ static int walIndexRecover(Wal *pWal){
szFrame = szPage + WAL_FRAME_HDRSIZE;
aFrame = (u8 *)sqlite3_malloc64(szFrame);
if( !aFrame ){
rc = SQLITE_NOMEM;
rc = SQLITE_NOMEM_BKPT;
goto recovery_error;
}
aData = &aFrame[WAL_FRAME_HDRSIZE];
@@ -1311,7 +1311,7 @@ int sqlite3WalOpen(
*ppWal = 0;
pRet = (Wal*)sqlite3MallocZero(sizeof(Wal) + pVfs->szOsFile);
if( !pRet ){
return SQLITE_NOMEM;
return SQLITE_NOMEM_BKPT;
}
pRet->pVfs = pVfs;
@@ -1575,7 +1575,7 @@ static int walIteratorInit(Wal *pWal, WalIterator **pp){
+ iLast*sizeof(ht_slot);
p = (WalIterator *)sqlite3_malloc64(nByte);
if( !p ){
return SQLITE_NOMEM;
return SQLITE_NOMEM_BKPT;
}
memset(p, 0, nByte);
p->nSegment = nSegment;
@@ -1587,7 +1587,7 @@ static int walIteratorInit(Wal *pWal, WalIterator **pp){
sizeof(ht_slot) * (iLast>HASHTABLE_NPAGE?HASHTABLE_NPAGE:iLast)
);
if( !aTmp ){
rc = SQLITE_NOMEM;
rc = SQLITE_NOMEM_BKPT;
}
for(i=0; rc==SQLITE_OK && i<nSegment; i++){
@@ -2880,7 +2880,7 @@ static int walWriteOneFrame(
void *pData; /* Data actually written */
u8 aFrame[WAL_FRAME_HDRSIZE]; /* Buffer to assemble frame-header in */
#if defined(SQLITE_HAS_CODEC)
if( (pData = sqlite3PagerCodec(pPage))==0 ) return SQLITE_NOMEM;
if( (pData = sqlite3PagerCodec(pPage))==0 ) return SQLITE_NOMEM_BKPT;
#else
pData = pPage->pData;
#endif
@@ -2909,7 +2909,7 @@ static int walRewriteChecksums(Wal *pWal, u32 iLast){
i64 iCksumOff;
aBuf = sqlite3_malloc(szPage + WAL_FRAME_HDRSIZE);
if( aBuf==0 ) return SQLITE_NOMEM;
if( aBuf==0 ) return SQLITE_NOMEM_BKPT;
/* Find the checksum values to use as input for the recalculating the
** first checksum. If the first frame is frame 1 (implying that the current
@@ -3379,7 +3379,7 @@ int sqlite3WalSnapshotGet(Wal *pWal, sqlite3_snapshot **ppSnapshot){
pRet = (WalIndexHdr*)sqlite3_malloc(sizeof(WalIndexHdr));
if( pRet==0 ){
rc = SQLITE_NOMEM;
rc = SQLITE_NOMEM_BKPT;
}else{
memcpy(pRet, &pWal->hdr, sizeof(WalIndexHdr));
*ppSnapshot = (sqlite3_snapshot*)pRet;