Merged from miles@gnu.org--gnu-2005 (patch 80-82, 350-422)

Patches applied:

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-350
   Update from CVS

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-351
   Update from CVS

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-352
   Update from CVS

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-353
   Update from CVS

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-354
   Update from CVS

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-355
   Update from CVS

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-356
   Update from CVS

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-357
   Update from CVS

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-358
   Update from CVS

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-359
   Update from CVS

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-360
   Update from CVS

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-361
   Update from CVS

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-362
   Update from CVS

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-363
   Update from CVS

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-364
   Remove "-face" suffix from widget faces

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-365
   Remove "-face" suffix from custom faces

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-366
   Remove "-face" suffix from change-log faces

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-367
   Remove "-face" suffix from compilation faces

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-368
   Remove "-face" suffix from diff-mode faces

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-369
   lisp/longlines.el (longlines-visible-face): Face removed

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-370
   Remove "-face" suffix from woman faces

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-371
   Remove "-face" suffix from whitespace-highlight face

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-372
   Remove "-face" suffix from ruler-mode faces

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-373
   Remove "-face" suffix from show-paren faces

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-374
   Remove "-face" suffix from log-view faces

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-375
   Remove "-face" suffix from smerge faces

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-376
   Remove "-face" suffix from show-tabs faces

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-377
   Remove "-face" suffix from highlight-changes faces

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-378
   Remove "-face" suffix from and downcase info faces

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-379
   Remove "-face" suffix from pcvs faces

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-380
   Update uses of renamed pcvs faces

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-381
   Tweak ChangeLog

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-382
   Update from CVS

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-383
   Remove "-face" suffix from strokes-char face

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-384
   Remove "-face" suffix from compare-windows face

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-385
   Remove "-face" suffix from calendar faces

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-386
   Remove "-face" suffix from diary-button face

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-387
   Remove "-face" suffix from testcover faces

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-388
   Remove "-face" suffix from viper faces

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-389
   Remove "-face" suffix from org faces

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-390
   Remove "-face" suffix from sgml-namespace face

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-391
   Remove "-face" suffix from table-cell face

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-392
   Remove "-face" suffix from tex-mode faces

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-393
   Remove "-face" suffix from texinfo-heading face

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-394
   Remove "-face" suffix from flyspell faces

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-395
   Update from CVS

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-396
   Update from CVS

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-397
   Remove "-face" suffix from gomoku faces

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-398
   Remove "-face" suffix from mpuz faces

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-399
   Update from CVS

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-400
   Update from CVS

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-401
   Update from CVS

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-402
   Update from CVS

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-403
   Update from CVS

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-404
   Update from CVS

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-405
   Update from CVS

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-406
   Merge from gnus--rel--5.10

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-407
   Update from CVS

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-408
   Remove "-face" suffix from Buffer-menu-buffer face

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-409
   Remove "-face" suffix from antlr-mode faces

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-410
   Remove "-face" suffix from ebrowse faces

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-411
   Update from CVS

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-412
   Remove "-face" suffix from flymake faces

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-413
   Remove "-face" suffix from idlwave faces

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-414
   Remove "-face" suffix from sh-script faces

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-415
   Remove "-face" suffix from vhdl-mode faces

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-416
   Update from CVS

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-417
   Remove "-face" suffix from which-func face

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-418
   Remove "-face" suffix from cperl-mode faces

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-419
   Remove "-face" suffix from ld-script faces

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-420
   Fix cperl-mode font-lock problem

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-421
   Tweak which-func face

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-422
   Update from CVS

 * miles@gnu.org--gnu-2005/gnus--rel--5.10--patch-80
   Merge from emacs--cvs-trunk--0

 * miles@gnu.org--gnu-2005/gnus--rel--5.10--patch-81
   Update from CVS

 * miles@gnu.org--gnu-2005/gnus--rel--5.10--patch-82
   Update from CVS

git-archimport-id: lorentey@elte.hu--2004/emacs--multi-tty--0--patch-350

1 files changed, 24 insertions, 16 deletions

diff --git a/src/process.c b/src/process.c
index 41e46c53dc9..dd13138e273 100644
--- a/src/process.c
+++ b/src/process.c
@@ -272,17 +272,19 @@ int update_tick;
 #define READ_OUTPUT_DELAY_MAX       (READ_OUTPUT_DELAY_INCREMENT * 5)
 #define READ_OUTPUT_DELAY_MAX_MAX   (READ_OUTPUT_DELAY_INCREMENT * 7)
 
-/* Number of processes which might be delayed.  */
+/* Number of processes which have a non-zero read_output_delay,
+   and therefore might be delayed for adaptive read buffering.  */
 
 static int process_output_delay_count;
 
-/* Non-zero if any process has non-nil process_output_skip.  */
+/* Non-zero if any process has non-nil read_output_skip.  */
 
 static int process_output_skip;
 
 /* Non-nil means to delay reading process output to improve buffering.
    A value of t means that delay is reset after each send, any other
-   non-nil value does not reset the delay.  */
+   non-nil value does not reset the delay.  A value of nil disables
+   adaptive read buffering completely.  */
 static Lisp_Object Vprocess_adaptive_read_buffering;
 #else
 #define process_output_delay_count 0
@@ -1535,7 +1537,6 @@ usage: (start-process NAME BUFFER PROGRAM &rest PROGRAM-ARGS)  */)
 
   XPROCESS (proc)->childp = Qt;
   XPROCESS (proc)->plist = Qnil;
-  XPROCESS (proc)->command_channel_p = Qnil;
   XPROCESS (proc)->buffer = buffer;
   XPROCESS (proc)->sentinel = Qnil;
   XPROCESS (proc)->filter = Qnil;
@@ -4319,6 +4320,11 @@ wait_reading_process_output (time_limit, microsecs, read_kbd, do_display,
 #endif
 
 #ifdef ADAPTIVE_READ_BUFFERING
+          /* Set the timeout for adaptive read buffering if any
+             process has non-nil read_output_skip and non-zero
+             read_output_delay, and we are not reading output for a
+             specific wait_channel.  It is not executed if
+             Vprocess_adaptive_read_buffering is nil.  */
           if (process_output_skip && check_delay > 0)
             {
               int usecs = EMACS_USECS (timeout);
@@ -4329,6 +4335,8 @@ wait_reading_process_output (time_limit, microsecs, read_kbd, do_display,
                   proc = chan_process[channel];
                   if (NILP (proc))
                     continue;
+                  /* Find minimum non-zero read_output_delay among the
+                     processes with non-nil read_output_skip.  */
                   if (XINT (XPROCESS (proc)->read_output_delay) > 0)
                     {
                       check_delay--;
@@ -4879,10 +4887,10 @@ read_process_output (proc, channel)
         {
           Lisp_Object tem;
           /* Don't clobber the CURRENT match data, either!  */
-          tem = Fmatch_data (Qnil, Qnil);
-          restore_match_data ();
-          record_unwind_protect (Fset_match_data, Fmatch_data (Qnil, Qnil));
-          Fset_match_data (tem);
+          tem = Fmatch_data (Qnil, Qnil, Qnil);
+          restore_search_regs ();
+          record_unwind_save_match_data ();
+          Fset_match_data (tem, Qt);
         }
 
       /* For speed, if a search happens within this code,
@@ -4936,7 +4944,7 @@ read_process_output (proc, channel)
                                    read_process_output_error_handler);
 
       /* If we saved the match data nonrecursively, restore it now.  */
-      restore_match_data ();
+      restore_search_regs ();
       running_asynch_code = outer_running_asynch_code;
 
       /* Handling the process output should not deactivate the mark.  */
@@ -6340,10 +6348,10 @@ exec_sentinel (proc, reason)
   if (outer_running_asynch_code)
     {
       Lisp_Object tem;
-      tem = Fmatch_data (Qnil, Qnil);
-      restore_match_data ();
-      record_unwind_protect (Fset_match_data, Fmatch_data (Qnil, Qnil));
-      Fset_match_data (tem);
+      tem = Fmatch_data (Qnil, Qnil, Qnil);
+      restore_search_regs ();
+      record_unwind_save_match_data ();
+      Fset_match_data (tem, Qt);
     }
 
   /* For speed, if a search happens within this code,
@@ -6357,7 +6365,7 @@ exec_sentinel (proc, reason)
                              exec_sentinel_error_handler);
 
   /* If we saved the match data nonrecursively, restore it now.  */
-  restore_match_data ();
+  restore_search_regs ();
   running_asynch_code = outer_running_asynch_code;
 
   Vdeactivate_mark = odeactivate;
@@ -6708,7 +6716,7 @@ init_process ()
 #endif /* HAVE_SOCKETS */
 
 #if defined (DARWIN) || defined (MAC_OSX)
-  /* PTYs are broken on Darwin < 6, but are sometimes useful for interactive 
+  /* PTYs are broken on Darwin < 6, but are sometimes useful for interactive
      processes.  As such, we only change the default value.  */
  if (initialized)
   {
@@ -6813,7 +6821,7 @@ The value takes effect when `start-process' is called.  */);
                doc: /* If non-nil, improve receive buffering by delaying after short reads.
 On some systems, when Emacs reads the output from a subprocess, the output data
 is read in very small blocks, potentially resulting in very poor performance.
-This behaviour can be remedied to some extent by setting this variable to a
+This behavior can be remedied to some extent by setting this variable to a
 non-nil value, as it will automatically delay reading from such processes, to
 allowing them to produce more output before Emacs tries to read it.
 If the value is t, the delay is reset after each write to the process; any other