binding.cc

#include <node.h>
#include <stdio.h>

using namespace v8;

void Exit(void* arg) {
    printf("node::AtExit called\n");
}

void Initialize(Handle<Object> exports) {
    node::AtExit(Exit);
}

NODE_MODULE(binding, Initialize)

binding.gyp

{
  "targets": [
    {
      "target_name": "binding",
      "sources": [
        "binding.cc"
      ]
    }
  ]
}

main.js

var binding = require('./build/Release/binding');
process.exit(0)