void _mac_lock(void * address,unsigned long size)
{
static first=1;
lock_mem * temp;
if(first)
atexit(mac_unlock_all);
first=0;
for(temp = top;temp != NULL;temp=temp->next){
if(address == temp->address){
if(size == temp->size){
temp->count++;
}
else{
UnholdMemory(temp->address,temp->size);
HoldMemory(address,size);
temp->address=address;
temp->size=size;
temp->count=1;
}
return;
}
}
temp=(lock_mem *)NewPtr(sizeof(lock_mem));
if(temp){
temp->address=address;
temp->size=size;
temp->count=1;
temp->next=top;
top=temp;
}
HoldMemory(address,size);
}
static void unlockMemory( INOUT MEM_INFO_HEADER *memHdrPtr )
{
assert( isWritePtr( memHdrPtr, sizeof( MEM_INFO_HEADER ) ) );
/* If the memory was locked, unlock it now */
#if !defined( CALL_NOT_IN_CARBON ) || CALL_NOT_IN_CARBON
if( memHdrPtr->flags & MEM_FLAG_LOCKED )
UnholdMemory( memPtr, memHdrPtr->size );
#endif /* Non Mac OS X memory locking */
}
static void mac_unlock_all()
{
lock_mem * temp;
lock_mem * next;
for(temp = top;temp != NULL;temp = next){
UnholdMemory(temp->address,temp->size);
next = temp->next;
DisposePtr((Ptr)temp);
}
}
void _mac_unlock(void * address,unsigned long size)
{
lock_mem * temp;
lock_mem * last;
last=NULL;
for(temp = top;temp != NULL;temp=temp->next){
if(address == temp->address){
temp->count--;
if(temp <= 0){
if(last == NULL)
top=temp->next;
else
last->next=temp->next;
UnholdMemory(temp->address,temp->size);
DisposePtr((Ptr)temp);
}
return;
}
else{
last = temp;
}
}
}
