/**
* Moves a process component to backing store
*
* @param memory partitions linked list (memory)
* @param swap processes into backing store linked list (swap)
* @param partition memory partition allocating process component to swap
* @throws SoSimException partition does not allocate any process' component
*/
public void swapOutProcess(
List<MemPartition> memory, List<ProcessMemUnit> swap, MemPartition partition)
throws SoSimException {
if (partition.getAllocated() == null) throw new SoSimException("me_09");
ProcessComponent child = (ProcessComponent) partition.getAllocated();
swap.add(child);
child.setLoad(false);
partition.setAllocated(null);
}
/**
* Removes all process' components from memory
*
* @param memory partitions linked list (memory)
* @param b memory partition containing a process segment
*/
public void removeProcessInMemory(List<MemPartition> memory, MemPartition b) {
// Remove all program blocks from memory
int id = b.getAllocated().getPid();
Iterator<MemPartition> it = memory.iterator();
while (it.hasNext()) {
MemPartition block = it.next();
if (block.getAllocated() != null && block.getAllocated().getPid() == id)
block.setAllocated(null);
}
}
/**
* Removes from memory all other process' pages that belongs to the same process as the page in
* the backing store.
*
* @param memory partitions linked list (memory)
* @param swap processes into backing store linked list (swap)
* @param swapped process pages in the backing store
*/
public void removeSwappedProcessComponents(
List<MemPartition> memory, List<ProcessMemUnit> swap, ProcessMemUnit swapped) {
int pid = swapped.getPid();
Iterator<MemPartition> it = memory.iterator();
while (it.hasNext()) {
MemPartition block = it.next();
if (block.getAllocated() != null && block.getAllocated().getPid() == pid) {
block.setAllocated(null);
}
}
Object[] swapList = swap.toArray();
for (int i = 0; i < swapList.length; i++) {
if (((ProcessMemUnit) swapList[i]).getPid() == pid) {
swap.remove(swapList[i]);
}
}
}