rasmusrygaard

Keybase proof

I hereby claim:

• I am rasmusrygaard on github.
• I am rygaard (https://keybase.io/rygaard) on keybase.
• I have a public key whose fingerprint is 0443 3EC6 2312 F3C6 3129 38EB A9D8 F1E0 ADA4 2ABC

To claim this, I am signing this object:

rasmusrygaard

Copying tests/filesys/extended/dir-vine to scratch partition...
Copying tests/filesys/extended/tar to scratch partition...
qemu -hda /tmp/FWJSfVVzXX.dsk -hdb tmp.dsk -m 4 -net none -nographic -monitor null
PiLo hda1
Loading.........
Kernel command line: -q -f extract run dir-vine
Pintos booting with 4,096 kB RAM...
383 pages available in kernel pool.
383 pages available in user pool.
Calibrating timer...  154,624,000 loops/s.

rasmusrygaard

rm -f tmp.dsk
pintos-mkdisk tmp.dsk --filesys-size=2
pintos -v -k -T 150 --qemu  --disk=tmp.dsk -p tests/filesys/extended/dir-vine -a dir-vine -p tests/filesys/extended/tar -a tar -- -q  -f run dir-vine < /dev/null 2> tests/filesys/extended/dir-vine.errors > tests/filesys/extended/dir-vine.output
pintos -v -k -T 60  --qemu --disk=tmp.dsk -g fs.tar -a tests/filesys/extended/dir-vine.tar -- -q  run 'tar fs.tar /' < /dev/null 2> tests/filesys/extended/dir-vine-persistence.errors > tests/filesys/extended/dir-vine-persistence.output
rm -f tmp.dsk
rm -f tmp.dsk
pintos-mkdisk tmp.dsk --filesys-size=2
pintos -v -k -T 60 --qemu  --filesys-size=2 -p tests/filesys/extended/dir-vine.output -a dir-vine.output -- -q  -f run dir-vine-persistence < /dev/null 2> .errors > .output
pintos -v -k -T 60  --qemu --filesys-size=2 -g fs.tar -a .tar -- -q  run 'tar fs.tar /' < /dev/null 2> -persistence.errors > -persistence.output
rm -f tmp.dsk

rasmusrygaard

Getting sector N

- Acquire lock for cache list
- acquire lock for in-flight
- if bit N is on:
  - release cache list
  - release in-flight
	- sleep
  - acquire cache list, in-flight

rasmusrygaard

#include "pqueue-linked-list.h"
using namespace std;

LinkedListPQueue::LinkedListPQueue() {}
LinkedListPQueue::~LinkedListPQueue() {}

string LinkedListPQueue::peek() const {
	return list->value;
}

rasmusrygaard

#ifndef _linked_list_pqueue_
#define _linked_list_pqueue_

#include "pqueue.h"
#include <string>

class LinkedListPQueue : public PQueue {
public:
	LinkedListPQueue();
	~LinkedListPQueue();

rasmusrygaard

// Execute the line below from the pintos/ directory!
curl https://raw.github.com/gist/3903739/7ea62b1e6f646e433304e1272557122ec7e61fd0/pre-commit -o .git/hooks/pre-commit && chmod +x .git/hooks/pre-commit

rasmusrygaard

#!/bin/sh

# Move to right directory
cd src/userprog

# Attempt to build.
make
declare -i status=$?

# Prompt user

rasmusrygaard

// From pintos/src/userprog/build
make ../../examples

// First shell. Replace echo with whatever executable you want.
pintos -v -k -T 60 --gdb --bochs --filesys-size=2 -p ../examples/echo -a echo -- -q -f run 'echo x'

// Second shell. Also from build directory
pintos-gdb ../../examples/echo
... in GDB
source ../../misc/gdb-macros