24092   yDbMask lockMask;       /* Subset of btreeMask that requires a lock */  member
43892     u16 lockMask = (p->exclMask|p->sharedMask);  in unixShmLock()  local
43894           (ofst!=2 || lockMask==0)  in unixShmLock()
43895        && (ofst!=1 || lockMask==0 || lockMask==2)  in unixShmLock()
43896        && (ofst!=0 || lockMask<3)  in unixShmLock()
43897        && (ofst<3  || lockMask<(1<<ofst))  in unixShmLock()
51681     u16 lockMask = (p->exclMask|p->sharedMask);  local
51683           (ofst!=2 || lockMask==0)
51684        && (ofst!=1 || lockMask==0 || lockMask==2)
51685        && (ofst!=0 || lockMask<3)
51686        && (ofst<3  || lockMask<(1<<ofst))
66415   u32 lockMask;              /* Mask of locks held */  member
66966   if( rc==SQLITE_OK ) pWal->lockMask |= (1 << lockIdx);
66975   pWal->lockMask &= ~(1 << lockIdx);
66989     pWal->lockMask |= (((1<<n)-1) << (SQLITE_SHM_NLOCK+lockIdx));
66999   pWal->lockMask &= ~(((1<<n)-1) << (SQLITE_SHM_NLOCK+lockIdx));
68302     mUnlock = pWal->lockMask & ~(
68337       | (pWal->pSnapshot ? (pWal->lockMask & (1 << WAL_CKPT_LOCK)) : 0)
68340     assert( mExpect==pWal->lockMask );
87931     DbMaskSet(p->lockMask, i);
87962   if( DbMaskAllZero(p->lockMask) ) return;  /* The common case */
87967     if( i!=1 && DbMaskTest(p->lockMask,i) && ALWAYS(aDb[i].pBt!=0) ){
87987     if( i!=1 && DbMaskTest(p->lockMask,i) && ALWAYS(aDb[i].pBt!=0) ){
87993   if( DbMaskAllZero(p->lockMask) ) return;  /* The common case */
95186   if( DbMaskNonZero(p->lockMask) ){
103542   if( DbMaskNonZero(p->lockMask) ){