diff options
author | Allan Sandfeld Jensen <allan.jensen@qt.io> | 2018-01-29 16:35:13 +0100 |
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committer | Allan Sandfeld Jensen <allan.jensen@qt.io> | 2018-02-01 15:33:35 +0000 |
commit | c8c2d1901aec01e934adf561a9fdf0cc776cdef8 (patch) | |
tree | 9157c3d9815e5870799e070b113813bec53e0535 /chromium/third_party/sqlite/src/src/status.c | |
parent | abefd5095b41dac94ca451d784ab6e27372e981a (diff) | |
download | qtwebengine-chromium-c8c2d1901aec01e934adf561a9fdf0cc776cdef8.tar.gz |
BASELINE: Update Chromium to 64.0.3282.139
Change-Id: I1cae68fe9c94ff7608b26b8382fc19862cdb293a
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
Diffstat (limited to 'chromium/third_party/sqlite/src/src/status.c')
-rw-r--r-- | chromium/third_party/sqlite/src/src/status.c | 34 |
1 files changed, 30 insertions, 4 deletions
diff --git a/chromium/third_party/sqlite/src/src/status.c b/chromium/third_party/sqlite/src/src/status.c index 74548b73b6f..f859dd4dd48 100644 --- a/chromium/third_party/sqlite/src/src/status.c +++ b/chromium/third_party/sqlite/src/src/status.c @@ -122,7 +122,6 @@ void sqlite3StatusHighwater(int op, int X){ : sqlite3MallocMutex()) ); assert( op==SQLITE_STATUS_MALLOC_SIZE || op==SQLITE_STATUS_PAGECACHE_SIZE - || op==SQLITE_STATUS_SCRATCH_SIZE || op==SQLITE_STATUS_PARSER_STACK ); if( newValue>wsdStat.mxValue[op] ){ wsdStat.mxValue[op] = newValue; @@ -172,6 +171,28 @@ int sqlite3_status(int op, int *pCurrent, int *pHighwater, int resetFlag){ } /* +** Return the number of LookasideSlot elements on the linked list +*/ +static u32 countLookasideSlots(LookasideSlot *p){ + u32 cnt = 0; + while( p ){ + p = p->pNext; + cnt++; + } + return cnt; +} + +/* +** Count the number of slots of lookaside memory that are outstanding +*/ +int sqlite3LookasideUsed(sqlite3 *db, int *pHighwater){ + u32 nInit = countLookasideSlots(db->lookaside.pInit); + u32 nFree = countLookasideSlots(db->lookaside.pFree); + if( pHighwater ) *pHighwater = db->lookaside.nSlot - nInit; + return db->lookaside.nSlot - (nInit+nFree); +} + +/* ** Query status information for a single database connection */ int sqlite3_db_status( @@ -190,10 +211,15 @@ int sqlite3_db_status( sqlite3_mutex_enter(db->mutex); switch( op ){ case SQLITE_DBSTATUS_LOOKASIDE_USED: { - *pCurrent = db->lookaside.nOut; - *pHighwater = db->lookaside.mxOut; + *pCurrent = sqlite3LookasideUsed(db, pHighwater); if( resetFlag ){ - db->lookaside.mxOut = db->lookaside.nOut; + LookasideSlot *p = db->lookaside.pFree; + if( p ){ + while( p->pNext ) p = p->pNext; + p->pNext = db->lookaside.pInit; + db->lookaside.pInit = db->lookaside.pFree; + db->lookaside.pFree = 0; + } } break; } |