}

    prev_job = current_job;

  } /* for(current_job) */

}

/**

   @arg head I may end up changing the head if job == head

 */

void change_job_priority(struct distrenjob *head, struct distrenjob *job, int new_priority){

  distrenjob_remove(head, job);

  job->priority = new_priority;

  struct distrenjob *current_job;

  struct distrenjob *prev_job = head;

  if(job->frameset[0].status == 0){ // if job was not yet started

    distrenjob_enqueue(head, job);

  }

  else{ // if job has already been started then place it before the jobs with the same priority

    // iterate through linked list of jobs

    for(current_job = head; current_job != NULL; current_job = current_job->next){

      if(current_job == NULL){ // if it has reached the end of the list, add job there

        current_job = job;

        break;

      }

      else if(job->priority <= current_job->priority){ // if job's priority is less than or equal to current_job's priority, insert job

        prev_job->next = job;                        // keep in mind 1 is the highest priority given to jobs, head has a

        job->next = current_job;                     // priority of zero so it will always be before other jobs

        break;

      }

      prev_job = current_job;

    }

  }

}

/**

  Frame Finder: matches your computer up with a lovely frame to render

  TODO: Major issue here, the client needs to know the frame number, AND the job number!

  Notice that this function starts by looking at the oldest job first

	TODO: Link this up with the main() function to check if there are frames available or not and provide jobnum/framenum to the client

  @return 0 success, other: error

*/

int frame_finder(struct distrenjob *head, struct distrenjob **job, struct frameset **frame)

{

  int your_frame;  // your_frame is an integer value that will be given to the client as the frame number to render

  unsigned short int found;

  unsigned short int priority;

  struct distrenjob *distrenjob_ptr;

  found = 0;

  while(!found)

    {

      /* enumerate through priority levels */

      for(priority = 10;

        priority > 0

            && !found;

           priority --)

	/* Find the job with the highest priority */

        for(distrenjob_ptr = head;

            distrenjob_ptr != NULL

            && !found;

            distrenjob_ptr = distrenjob_ptr->next)

          if(distrenjob_ptr->priority == priority)

	    found = 1;

      if(!found)

        {

          fprintf(stderr, "No more jobs to render\n");

          return 1;

        }

      found = 0;

      for(your_frame = 0;

        your_frame < distrenjob_ptr->total_frames;

        your_frame ++)

        if(distrenjob_ptr->frameset[your_frame].status == 0)

          found = 1;

      if(!found)

        {

          /* there are no frames left in this job */

          distrenjob_ptr->priority --;

	  /* If that job had no open frames for some reason, run the status report generator so that */

          status_report_generator(&head);

          /* should the job be removed now? */

          fprintf(stderr, "Job %d is finished, this is probably the place to call the job-removal function\n", distrenjob_ptr->jobnum);

          /* @TODO: At this point, all slaves should be instructed to delete the source data for this job. */

        }

    }