baruch

#define DEFER_MERGE(a,b) a##b
#define DEFER_VARNAME(a) DEFER_MERGE(defer_scopevar_, a)
#define DEFER_FUNCNAME(a) DEFER_MERGE(defer_scopefunc_, a)
#define DEFER(BLOCK) void DEFER_FUNCNAME(__LINE__)(int *a) BLOCK; __attribute__((cleanup(DEFER_FUNCNAME(__LINE__)))) int DEFER_VARNAME(__LINE__)

// Usage:
/*
  void dosomething()
  {
    char* data = malloc(100);

baruch

probe module("scsi_mod").function("scsi_command_normalize_sense") {
        printf("CDB:");
        for (i = 0; i < $cmd->cmd_len; i++) {
                printf(" %02X", $cmd->cmnd[i]);
        }
        printf(" | SENSE:");
        for (i = 0; i < 32; i++) {
                printf(" %02X", $cmd->sense_buffer[i]);
        }
        printf("\n");

baruch

# Install sdcc to build nRF24LE1 code
# Install python-dev and python-setuptools to build python code for hacking
# Install minicom for UART communication
# Install screen to avoid network disconnect interruptions
sudo apt-get update && sudo apt-get install sdcc python-dev python-setuptools minicom screen
sudo apt-get dist-upgrade

# Install bcm2835 library
wget http://www.airspayce.com/mikem/bcm2835/bcm2835-1.38.tar.gz && tar xvf bcm2835/bcm2835-1.38.tar.gz && cd bcm2835-1.38 && ./configure && make && sudo make install
cd ~

baruch

find $d -type f | rev | sort | rev | tar -c -T /dev/stdin -f - | pv -pterb -B 10m -s $(du -ms $d | cut -f1)m -W -i 10 | bzip2 -6 > $d.tar.bz2;

baruch

probe module("scsi_mod").function("scsi_command_normalize_sense") {
        printf("CDB:");
        for (i = 0; i < $cmd->cmd_len; i++) {
                printf(" %02X", $cmd->cmnd[i]);
        }
        printf(" | SENSE:");
        for (i = 0; i < 32; i++) {
                printf(" %02X", $cmd->sense_buffer[i]);
        }
        printf("\n");

baruch

r.db('mydb').table('disk').withFields('glist').groupedMapReduce(
  function(x) { return x },
  function(x) { return 1 },
  function(x,y) { return 1 }
  )
  .map(function (x) { return x('group')('glist') })
  .reduce(function(x,y) { return
    {
      count: x('count').add(1),
      val: x('val').union([y]).sample(10),

baruch

#include <ev.h>
#include <stdint.h>
#include <stdbool.h>
#include <stdio.h>
#include <netdb.h>
#include <memory.h>

typedef struct net_client_t {
    ev_signal resolv_watcher;
    char hostname[64];