/*
** Link the chunk at index i into either the appropriate
** small chunk list, or into the large chunk hash table.
*/
static void memsys3Link(int i){
int size, hash;
assert( sqlite3_mutex_held(mem.mutex) );
size = mem.aPool[i-1].u.hdr.size;
assert( size==mem.aPool[i+size-1].u.hdr.prevSize );
assert( size>=2 );
if( size <= MX_SMALL ){
memsys3LinkIntoList(i, &mem.aiSmall[size-2]);
}else{
hash = size % N_HASH;
memsys3LinkIntoList(i, &mem.aiHash[hash]);
}
}
/*
** Link the chunk at index i into either the appropriate
** small chunk list, or into the large chunk hash table.
*/
static void memsys3Link(u32 i){
u32 size, hash;
assert( sqlite4_mutex_held(mem3.mutex) );
assert( i>=1 );
assert( (mem3.aPool[i-1].u.hdr.size4x & 1)==0 );
size = mem3.aPool[i-1].u.hdr.size4x/4;
assert( size==mem3.aPool[i+size-1].u.hdr.prevSize );
assert( size>=2 );
if( size <= MX_SMALL ){
memsys3LinkIntoList(i, &mem3.aiSmall[size-2]);
}else{
hash = size % N_HASH;
memsys3LinkIntoList(i, &mem3.aiHash[hash]);
}
}
//将第i项插入链表中。
static void memsys3Link(u32 i) {
u32 size, hash;
assert( sqlite3_mutex_held(mem3.mutex) );
assert( i>=1 );
assert( (mem3.aPool[i-1].u.hdr.size4x & 1)==0 );
size = mem3.aPool[i-1].u.hdr.size4x/4; //用来判断是block还是chunk
assert( size==mem3.aPool[i+size-1].u.hdr.prevSize );
assert( size>=2 ); //若只是一个block，则终止程序
if( size <= MX_SMALL ) {
memsys3LinkIntoList(i, &mem3.aiSmall[size-2]); //如果size小于10，将i块加入小chunk
} else {
hash = size % N_HASH;
memsys3LinkIntoList(i, &mem3.aiHash[hash]); //将i块加入大chunk
}
}
