#include <iostream>
using namespace std;

#include <sys/types.h>
#include <sys/wait.h>

#include <ruby.h>

double now() {
  struct timeval tv;
  struct timezone tz;
  
  gettimeofday(&tv, &tz);
  
  return (double)tv.tv_sec + ((double)tv.tv_usec / 1000000.0);
}

int main(void) {
  cout << "Playing with embedded Ruby\n";

  ruby_init();

  double start = now();
  for (int i = 0; i < 100; ++i) {
    int pid = fork();
    if (pid == 0) {
      rb_eval_string("load '/home/phil/projects/ruby-cgi/test.rb'");
      exit(0);
    } else {
      int status;
      waitpid(pid, &status, 0);
    }
  }
  double end = now();
  cout << "100 runs of test.rb took " << (end-start) << " s; " << (100.0/(end-start)) << "/s\n";
}