XXXX adding PID information to netstat output

*** 35,44 ****
--- 35,45 ----
  #include <sys/cmn_err.h>
  
  #include <sys/stropts.h>
  #include <sys/socket.h>
  #include <sys/socketvar.h>
+ #include <sys/fcntl.h>
  
  #define _SUN_TPI_VERSION        2
  #include <sys/tihdr.h>
  #include <sys/sockio.h>
  #include <sys/kmem_impl.h>
*** 355,364 ****
--- 356,367 ----
                      nso->so_proto_handle, (sock_upper_handle_t)nso, cr)) != 0) {
                          (void) socket_close(nso, 0, cr);
                          socket_destroy(nso);
                  } else {
                          *nsop = nso;
+                         if (!(curproc->p_flag & SSYS))
+                                 sonode_insert_pid(nso, curproc->p_pidp->pid_id);
                  }
          }
  
          SO_UNBLOCK_FALLBACK(so);
          return (error);
*** 1551,1560 ****
--- 1554,1601 ----
          struct sonode *so = (struct sonode *)sock_handle;
  
          VN_RELE(SOTOV(so));
  }
  
+ mblk_t *
+ so_get_sock_pid_mblk(sock_upper_handle_t sock_handle)
+ {
+         ulong_t sz, n;
+         mblk_t *mblk;
+         pid_node_t *pn;
+         pid_t *pids;
+         conn_pid_info_t *cpi;
+         struct sonode *so = (struct sonode *)sock_handle;
+ 
+         mutex_enter(&so->so_pid_tree_lock);
+ 
+         n = avl_numnodes(&so->so_pid_tree);
+         sz = sizeof (conn_pid_info_t);
+         sz += (n > 1) ? ((n - 1) * sizeof (pid_t)) : 0;
+         if ((mblk = allocb(sz, BPRI_HI)) == NULL) {
+                 mutex_exit(&so->so_pid_tree_lock);
+                 return (NULL);
+         }
+         mblk->b_wptr += sz;
+         cpi = (conn_pid_info_t *)mblk->b_datap->db_base;
+ 
+         cpi->cpi_magic = CONN_PID_INFO_MGC;
+         cpi->cpi_contents = CONN_PID_INFO_SOC;
+         cpi->cpi_pids_cnt = n;
+         cpi->cpi_tot_size = sz;
+         cpi->cpi_pids[0] = 0;
+ 
+         if (cpi->cpi_pids_cnt > 0) {
+                 pids = cpi->cpi_pids;
+                 for (pn = avl_first(&so->so_pid_tree); pn != NULL;
+                     pids++, pn = AVL_NEXT(&so->so_pid_tree, pn))
+                         *pids = pn->pn_pid;
+         }
+         mutex_exit(&so->so_pid_tree_lock);
+         return (mblk);
+ }
+ 
  void
  so_zcopy_notify(sock_upper_handle_t sock_handle)
  {
          struct sonode *so = (struct sonode *)sock_handle;
  
*** 1951,1957 ****
          so_set_prop,
          so_txq_full,
          so_signal_oob,
          so_zcopy_notify,
          so_set_error,
!         so_closed
  };
--- 1992,1999 ----
          so_set_prop,
          so_txq_full,
          so_signal_oob,
          so_zcopy_notify,
          so_set_error,
!         so_closed,
!         so_get_sock_pid_mblk
  };