;;; -*- Mode: Common-Lisp; Package: User; Base: 10.; Patch-File: T -*-

;;; Reason: Fix local-pipe to prevent server data from becoming garbled.

;;;                           RESTRICTED RIGHTS LEGEND
;;;
;;; Use, duplication, or disclosure by the Government is subject to
;;; restrictions as set forth in subdivision (c)(1)(ii) of the Rights in
;;; Technical Data and Computer Software clause at 52.227-7013.
;;;
;;;   TEXAS INSTRUMENTS INCORPORATED      
;;;   P.O. BOX 2909, M/S 2151             
;;;   AUSTIN, TEXAS 78769                 
;;;
;;; Copyright (C) 1989 Texas Instruments Incorporated.
;;; All rights reserved.

;;; Patch file for X11M version 6.11
;;; Written 07/07/89 21:58:15 by buehring,
;;; while running on Spud from band LOD4
;;; With SYSTEM 6.10, VIRTUAL-MEMORY 6.1, EH 6.3, MAKE-SYSTEM 6.0, MICRONET 6.0, LOCAL-FILE 6.0,
;;;  BASIC-PATHNAME 6.1, NETWORK-SUPPORT-COLD 6.0, BASIC-NAMESPACE 6.1, NETWORK-NAMESPACE 6.0,
;;;  DISK-IO 6.0, DISK-LABEL 6.0, BASIC-FILE 6.2, MAC-PATHNAME 6.0, NETWORK-PATHNAME 6.0,
;;;  COMPILER 6.7, TV 6.12, DATALINK 6.0, CHAOSNET 6.0, GC 6.3, MEMORY-AUX 6.0, NVRAM 6.1,
;;;  SYSLOG 6.1, STREAMER-TAPE 6.4, UCL 6.0, INPUT-EDITOR 6.0, METER 6.1, ZWEI 6.3,
;;;  DEBUG-TOOLS 6.3, NETWORK-SUPPORT 6.0, NETWORK-SERVICE 6.1, DATALINK-DISPLAYS 6.0,
;;;  FONT-EDITOR 6.1, SERIAL 6.0, PRINTER 6.3, MAC-PRINTER-TYPES 6.1, PRINTER-TYPES 6.1,
;;;  IMAGEN 6.0, SUGGESTIONS 6.0, MAIL-DAEMON 6.2, MAIL-READER 6.1, TELNET 6.0, VT100 6.0,
;;;  NAMESPACE-EDITOR 6.0, PROFILE 6.1, VISIDOC 6.2, TI-CLOS 6.11, CLEH 6.4, IP 3.47,
;;;  Experimental BUG 11.10, Experimental CLX 6.2, CLUE 6.5, X11M 6.8,  microcode 429,
;;;  Band Name: Release 6.0 + SLE  6/26

#!C
; From file LOCAL-CONNECTION.LISP#> X11M.SERVER; MR-X:
#10R NET#:
(COMPILER-LET ((*PACKAGE* (FIND-PACKAGE "NET"))
                          (SI:*LISP-MODE* :COMMON-LISP)
                          (*READTABLE* COMMON-LISP-READTABLE)
                          (SI:*READER-SYMBOL-SUBSTITUTIONS* SYS::*COMMON-LISP-SYMBOL-SUBSTITUTIONS*))
  (COMPILER#:PATCH-SOURCE-FILE "SYS: X11M.SERVER; LOCAL-CONNECTION.#"


(DEFMETHOD (local-pipe :next-input-buffer) (no-hang-p)
  (LET ((result (without-interrupts (POP input-buffers))))
    (IF result
	(VALUES-LIST result)
      (UNLESS no-hang-p
	(when (eq (PROCESS-WAIT "Local-Pipe"
				#'(lambda (pipe)
				    (or (send pipe :input-buffers)
					(and (eq (send pipe :status) :closed) :closed)))
				self)
		  :closed)
	  (error "Pipe closed"))	
	(VALUES-LIST (without-interrupts (POP input-buffers)))))))

))

#!C
; From file LOCAL-CONNECTION.LISP#> X11M.SERVER; MR-X:
#10R NET#:
(COMPILER-LET ((*PACKAGE* (FIND-PACKAGE "NET"))
                          (SI:*LISP-MODE* :COMMON-LISP)
                          (*READTABLE* COMMON-LISP-READTABLE)
                          (SI:*READER-SYMBOL-SUBSTITUTIONS* SYS::*COMMON-LISP-SYMBOL-SUBSTITUTIONS*))
  (COMPILER#:PATCH-SOURCE-FILE "SYS: X11M.SERVER; LOCAL-CONNECTION.#"


(DEFMETHOD (local-pipe :send-output-buffer) (buffer-array ending-index)
  (without-interrupts
    (LET ((queue (SEND input-pipe :input-buffers)))
      (SEND input-pipe :set-input-buffers 
	    (NCONC queue (CONS (LIST buffer-array 0 ending-index) nil))))))

))