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Add the PGHDR_WRITEABLE bit for PgHdr.flags which is used to

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distinguish between pages that are on the dirty list and pages that are
safe to modify.

FossilOrigin-Name: 7c4ef7b7c8744af19075bb96d1e0b63e35978ed1
This commit is contained in:
drh
2015-06-29 18:29:10 +00:00
parent e399ac2e1e
commit 1aacbdb374
5 changed files with 26 additions and 20 deletions
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src/pcache.c
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@@ -422,7 +422,7 @@ void sqlite3PcacheMakeClean(PgHdr *p){
if( (p->flags & PGHDR_DIRTY) ){
assert( (p->flags & PGHDR_CLEAN)==0 );
pcacheManageDirtyList(p, PCACHE_DIRTYLIST_REMOVE);
p->flags &= ~(PGHDR_DIRTY|PGHDR_NEED_SYNC);
p->flags &= ~(PGHDR_DIRTY|PGHDR_NEED_SYNC|PGHDR_WRITEABLE);
p->flags |= PGHDR_CLEAN;
if( p->nRef==0 ){
pcacheUnpin(p);