XXXX adding PID information to netstat output

*** 836,850 ****
  
  /*
   * Duplicate all file descriptors across a fork.
   */
  void
! flist_fork(uf_info_t *pfip, uf_info_t *cfip)
  {
          int fd, nfiles;
          uf_entry_t *pufp, *cufp;
  
          mutex_init(&cfip->fi_lock, NULL, MUTEX_DEFAULT, NULL);
          cfip->fi_rlist = NULL;
  
          /*
           * We don't need to hold fi_lock because all other lwp's in the
--- 836,853 ----
  
  /*
   * Duplicate all file descriptors across a fork.
   */
  void
! flist_fork(proc_t *pp, proc_t *cp)
  {
          int fd, nfiles;
          uf_entry_t *pufp, *cufp;
  
+         uf_info_t *pfip = P_FINFO(pp);
+         uf_info_t *cfip = P_FINFO(cp);
+ 
          mutex_init(&cfip->fi_lock, NULL, MUTEX_DEFAULT, NULL);
          cfip->fi_rlist = NULL;
  
          /*
           * We don't need to hold fi_lock because all other lwp's in the
*** 858,867 ****
--- 861,877 ----
              fd++, pufp++, cufp++) {
                  cufp->uf_file = pufp->uf_file;
                  cufp->uf_alloc = pufp->uf_alloc;
                  cufp->uf_flag = pufp->uf_flag;
                  cufp->uf_busy = pufp->uf_busy;
+ 
+                 if (cufp->uf_file != NULL && cufp->uf_file->f_vnode != NULL) {
+                         (void) VOP_IOCTL(cufp->uf_file->f_vnode, F_ASSOCI_PID,
+                             (intptr_t)cp->p_pidp->pid_id, FKIOCTL, kcred,
+                             NULL, NULL);
+                 }
+ 
                  if (pufp->uf_file == NULL) {
                          ASSERT(pufp->uf_flag == 0);
                          if (pufp->uf_busy) {
                                  /*
                                   * Grab locks to appease ASSERTs in fd_reserve
*** 943,952 ****
--- 953,967 ----
          count = fp->f_count--;
          flag = fp->f_flag;
          offset = fp->f_offset;
  
          vp = fp->f_vnode;
+         if (vp != NULL) {
+                 (void) VOP_IOCTL(vp, F_DASSOC_PID,
+                     (intptr_t)(ttoproc(curthread)->p_pidp->pid_id), FKIOCTL,
+                     kcred, NULL, NULL);
+         }
  
          error = VOP_CLOSE(vp, flag, count, offset, fp->f_cred, NULL);
  
          if (count > 1) {
                  mutex_exit(&fp->f_tlock);