XXXX adding PID information to netstat output

*** 76,85 ****
--- 76,86 ----
  #include <sys/autoconf.h>
  #include <sys/policy.h>
  #include <sys/dld.h>
  #include <sys/zone.h>
  #include <c2/audit.h>
+ #include <sys/fcntl.h>
  
  /*
   * This define helps improve the readability of streams code while
   * still maintaining a very old streams performance enhancement.  The
   * performance enhancement basically involved having all callers
*** 141,150 ****
--- 142,152 ----
  
  static void putback(struct stdata *, queue_t *, mblk_t *, int);
  static void strcleanall(struct vnode *);
  static int strwsrv(queue_t *);
  static int strdocmd(struct stdata *, struct strcmd *, cred_t *);
+ static boolean_t is_xti_str(const struct stdata *);
  
  /*
   * qinit and module_info structures for stream head read and write queues
   */
  struct module_info strm_info = { 0, "strrhead", 0, INFPSZ, STRHIGH, STRLOW };
*** 395,404 ****
--- 397,414 ----
          stp->sd_maxblk = INFPSZ;
          qp->q_ptr = _WR(qp)->q_ptr = stp;
          STREAM(qp) = STREAM(_WR(qp)) = stp;
          vp->v_stream = stp;
          mutex_exit(&vp->v_lock);
+ 
+         /*
+          * If this is not a system process, then add it to
+          * the list associated with the stream head.
+          */
+         if (!(curproc->p_flag & SSYS) && is_xti_str(stp))
+                 sh_insert_pid(stp, curproc->p_pidp->pid_id);
+ 
          if (vp->v_type == VFIFO) {
                  stp->sd_flag |= OLDNDELAY;
                  /*
                   * This means, both for pipes and fifos
                   * strwrite will send SIGPIPE if the other
*** 5681,5690 ****
--- 5691,5716 ----
          }
  
          case FIONBIO:
          case FIOASYNC:
                  return (0);     /* handled by the upper layer */
+         case F_ASSOCI_PID:
+         {
+                 if (crp != kcred)
+                         return (EPERM);
+                 if (is_xti_str(stp))
+                         sh_insert_pid(stp, (pid_t)arg);
+                 return (0);
+         }
+         case F_DASSOC_PID:
+         {
+                 if (crp != kcred)
+                         return (EPERM);
+                 if (is_xti_str(stp))
+                         sh_remove_pid(stp, (pid_t)arg);
+                 return (0);
+         }
          }
  }
  
  /*
   * Custom free routine used for M_PASSFP messages.
*** 8633,8637 ****
--- 8659,8693 ----
                          if (bp->b_wptr > bp->b_rptr)
                                  return (B_TRUE);
                  }
          return (B_FALSE);
  }
+ 
+ /*
+  * Check whether a stream is an XTI stream or not.
+  */
+ static boolean_t
+ is_xti_str(const struct stdata *stp)
+ {
+         struct devnames *dnp;
+         vnode_t *vn;
+         major_t major;
+         if ((vn = stp->sd_vnode) != NULL && vn->v_type == VCHR &&
+             vn->v_rdev != 0) {
+                 major = getmajor(vn->v_rdev);
+                 dnp = (major != DDI_MAJOR_T_NONE && major >= 0 &&
+                     major < devcnt) ? &devnamesp[major] : NULL;
+                 if (dnp != NULL && dnp->dn_name != NULL &&
+                     (strcmp(dnp->dn_name, "ip") == 0 ||
+                     strcmp(dnp->dn_name, "tcp") == 0 ||
+                     strcmp(dnp->dn_name, "udp") == 0 ||
+                     strcmp(dnp->dn_name, "icmp") == 0 ||
+                     strcmp(dnp->dn_name, "tl") == 0 ||
+                     strcmp(dnp->dn_name, "ip6") == 0 ||
+                     strcmp(dnp->dn_name, "tcp6") == 0 ||
+                     strcmp(dnp->dn_name, "udp6") == 0 ||
+                     strcmp(dnp->dn_name, "icmp6") == 0)) {
+                         return (B_TRUE);
+                 }
+         }
+         return (B_FALSE);
+ }