XXXX adding PID information to netstat output

*** 121,130 ****
--- 121,133 ----
          flag &= ~FCREAT;                /* paranoia */
          mutex_enter(&so->so_lock);
          so->so_count++;
          mutex_exit(&so->so_lock);
  
+         if (!(curproc->p_flag & SSYS))
+                 sonode_insert_pid(so, curproc->p_pidp->pid_id);
+ 
          ASSERT(so->so_count != 0);      /* wraparound */
          ASSERT(vp->v_type == VSOCK);
  
          return (0);
  }
*** 207,216 ****
--- 210,235 ----
  {
          struct sonode *so = VTOSO(vp);
  
          ASSERT(vp->v_type == VSOCK);
  
+         switch (cmd) {
+         case F_ASSOCI_PID:
+                 if (cr != kcred)
+                         return (EPERM);
+                 if (!(curproc->p_flag & SSYS))
+                         sonode_insert_pid(so, (pid_t)arg);
+                 return (0);
+ 
+         case F_DASSOC_PID:
+                 if (cr != kcred)
+                         return (EPERM);
+                 if (!(curproc->p_flag & SSYS))
+                         sonode_remove_pid(so, (pid_t)arg);
+                 return (0);
+         }
+ 
          return (socket_ioctl(so, cmd, arg, mode, cr, rvalp));
  }
  
  /*
   * Allow any flags. Record FNDELAY and FNONBLOCK so that they can be inherited