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Change the name of the Pager.pFree field to Pager.pMmapFreelist.

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FossilOrigin-Name: 611bd824c24a60d298f28705de323fa2e813a308
This commit is contained in:
drh
2013-03-26 14:36:11 +00:00
parent 0aed84d19f
commit c86e51358b
3 changed files with 16 additions and 16 deletions
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16
src/pager.c
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@@ -659,7 +659,7 @@ struct Pager {
u8 bUseFetch; /* True to use xFetch() */
int nMmapOut; /* Number of mmap pages currently outstanding */
sqlite3_int64 mxMmap; /* Desired maximum mmap size */
PgHdr *pFree; /* List of free mmap page headers (pDirty) */
PgHdr *pMmapFreelist; /* List of free mmap page headers (pDirty) */
/*
** End of the routinely-changing class members
***************************************************************************/
@@ -3854,9 +3854,9 @@ static int pagerAcquireMapPage(
){
PgHdr *p; /* Memory mapped page to return */
if( pPager->pFree ){
*ppPage = p = pPager->pFree;
pPager->pFree = p->pDirty;
if( pPager->pMmapFreelist ){
*ppPage = p = pPager->pMmapFreelist;
pPager->pMmapFreelist = p->pDirty;
p->pDirty = 0;
memset(p->pExtra, 0, pPager->nExtra);
}else{
@@ -3891,20 +3891,20 @@ static int pagerAcquireMapPage(
static void pagerReleaseMapPage(PgHdr *pPg){
Pager *pPager = pPg->pPager;
pPager->nMmapOut--;
pPg->pDirty = pPager->pFree;
pPager->pFree = pPg;
pPg->pDirty = pPager->pMmapFreelist;
pPager->pMmapFreelist = pPg;
assert( pPager->fd->pMethods->iVersion>=3 );
sqlite3OsUnfetch(pPager->fd, (i64)(pPg->pgno-1)*pPager->pageSize, pPg->pData);
}
/*
** Free all PgHdr objects stored in the Pager.pFree list.
** Free all PgHdr objects stored in the Pager.pMmapFreelist list.
*/
static void pagerFreeMapHdrs(Pager *pPager){
PgHdr *p;
PgHdr *pNext;
for(p=pPager->pFree; p; p=pNext){
for(p=pPager->pMmapFreelist; p; p=pNext){
pNext = p->pDirty;
sqlite3_free(p);
}