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 ****
--- 356,366 ----
                      nso->so_proto_handle, (sock_upper_handle_t)nso, cr)) != 0) {
                          (void) socket_close(nso, 0, cr);
                          socket_destroy(nso);
                  } else {
                          *nsop = nso;
+                         sonode_insert_pid(nso, curproc);
                  }
          }
  
          SO_UNBLOCK_FALLBACK(so);
          return (error);
*** 1538,1547 ****
--- 1540,1588 ----
          struct sonode *so = (struct sonode *)sock_handle;
  
          VN_RELE(SOTOV(so));
  }
  
+ conn_pid_node_list_hdr_t *
+ so_get_sock_pid_list(sock_upper_handle_t sock_handle)
+ {
+         int sz, n = 0;
+         pid_node_t                      *pn;
+         conn_pid_node_t                 *cpn;
+         conn_pid_node_list_hdr_t        *cph;
+         struct sonode                   *so = (struct sonode *)sock_handle;
+ 
+         mutex_enter(&so->so_pid_list_lock);
+ 
+         n = list_size(&so->so_pid_list);
+         sz = sizeof (conn_pid_node_list_hdr_t);
+         sz += (n > 1)?((n - 1) * sizeof (conn_pid_node_t)):0;
+         cph = kmem_zalloc(sz, KM_SLEEP);
+ 
+         cph->cph_magic = CONN_PID_NODE_LIST_HDR_MAGIC;
+         cph->cph_contents = CONN_PID_NODE_LIST_HDR_SOC;
+         cph->cph_pn_cnt = n;
+         cph->cph_tot_size = sz;
+         cph->cph_flags = 0;
+         cph->cph_optional1 = 0;
+         cph->cph_optional2 = 0;
+ 
+         if (cph->cph_pn_cnt > 0) {
+                 cpn = cph->cph_cpns;
+                 pn = list_head(&so->so_pid_list);
+                 while (pn != NULL) {
+                         PIDNODE2CONNPIDNODE(pn, cpn);
+                         pn = list_next(&so->so_pid_list, pn);
+                         cpn++;
+                 }
+         }
+ 
+         mutex_exit(&so->so_pid_list_lock);
+ 
+         return (cph);
+ }
+ 
  void
  so_zcopy_notify(sock_upper_handle_t sock_handle)
  {
          struct sonode *so = (struct sonode *)sock_handle;
  
*** 1938,1944 ****
          so_set_prop,
          so_txq_full,
          so_signal_oob,
          so_zcopy_notify,
          so_set_error,
!         so_closed
  };
--- 1979,1986 ----
          so_set_prop,
          so_txq_full,
          so_signal_oob,
          so_zcopy_notify,
          so_set_error,
!         so_closed,
!         so_get_sock_pid_list
  };