aycanirican

Keybase proof

I hereby claim:

• I am aycanirican on github.
• I am aycan (https://keybase.io/aycan) on keybase.
• I have a public key ASCetXizucbRp_ibah6txD_zV0Dse1iLP1x5VYc_VhjQrwo

To claim this, I am signing this object:

aycanirican

// password based key derivation function 1 with SHA256 (PBKDF1SHA256) in golang
// strength 2^17

func PBKDF1SHA256(pass []byte, salt []byte) []byte {
        h := sha256.Sum256(append(pass, salt...)) // first_hash
        for i := 0; i <= 1<<17; i++ {
                h = sha256.Sum256(h[:])
        }
        return h[:]
}

aycanirican

module Main where

import           Control.Distributed.Process hiding (call)
import           Control.Distributed.Process.Node as Node (initRemoteTable, runProcess) 
import           Control.Distributed.Process.Extras (resolve, __remoteTable)
import           Control.Distributed.Process.Backend.SimpleLocalnet
import           Control.Concurrent (threadDelay)
import           Control.Monad
import           Network.Transport hiding (send)
import           System.Environment

aycanirican

### Keybase proof

I hereby claim:

  * I am aycanirican on github.
  * I am iricanaycan (https://keybase.io/iricanaycan) on keybase.
  * I have a public key whose fingerprint is 308E 2721 5E27 3213 975E  E92D 2592 7083 2D00 2BBF

To claim this, I am signing this object:

aycanirican

--
-- UDPEchoServer.hs: Exactly what the name says, a datagram echo server.
--


module Main (main) where

import Network.Socket
import System.Posix.Directory
import System.Posix.Files

aycanirican

% # source: https://github.com/aycanirican/hlibev/blob/master/Examples/ByteStringConcurrent.hs

% dmesg | grep GHz
CPU: Pentium(R) Dual-Core  CPU      E6300  @ 2.80GHz (2799.48-MHz K8-class CPU)

% curl http://192.168.1.100:5002/               
Hello, World!

% uname -a
DragonFly x 3.1-DEVELOPMENT DragonFly v3.1.0.299.g62f17-DEVELOPMENT #13: Mon Mar 12 12:39:42 EET 2012     root@x:/usr/obj/usr/src/sys/MYKERNEL  x86_64

aycanirican

% ab -n 10000 -c 10 http://127.0.0.1:8080/
This is ApacheBench, Version 2.0.41-dev <$Revision: 1.121.2.12 $> apache-2.0
Copyright (c) 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Copyright (c) 2006 The Apache Software Foundation, http://www.apache.org/

Benchmarking 127.0.0.1 (be patient)
Completed 1000 requests
Completed 2000 requests
Completed 3000 requests
Completed 4000 requests

aycanirican

]112[detached]
% 
assertion: (*bmp & (1LU << bno)) == 0 in memfree
Connection to xxxxxxx closed.

aycanirican

===> lib/libalias
cc  -march=nocona -O2 -pipe  -std=gnu99 -Wsystem-headers -Werror -Wall -Wno-uninitialized -c /usr/src/lib/libalias/alias.c -o alias.o
cc1: warnings being treated as errors
/usr/src/lib/libalias/alias.c: In function 'PacketUnaliasOut':
/usr/src/lib/libalias/alias.c:1518: error: dereferencing pointer 'sptr' does break strict-aliasing rules
/usr/src/lib/libalias/alias.c:1517: note: initialized from here
/usr/src/lib/libalias/alias.c:1519: error: dereferencing pointer 'sptr' does break strict-aliasing rules
/usr/src/lib/libalias/alias.c:1518: note: initialized from here
/usr/src/lib/libalias/alias.c:1561: error: dereferencing pointer 'sptr' does break strict-aliasing rules
/usr/src/lib/libalias/alias.c:1560: note: initialized from here

aycanirican

Prelude> :m +Foreign.C.Error
Prelude Foreign.C.Error> a <- getErrno

Program received signal SIGSEGV, Segmentation fault.
0x0000000803d0bb04 in _umtx_wakeup_err () from /usr/lib/libpthread.so.0
(gdb) info threads
  Id   Target Id         Frame 
* 1    process 46132     0x0000000803d0bb04 in _umtx_wakeup_err () from /usr/lib/libpthread.so.0
(gdb) bt
#0  0x0000000803d0bb04 in _umtx_wakeup_err () from /usr/lib/libpthread.so.0