bug#407: marked as done (gpm server stop making emacs abort())

[owner@emacsbugs.donarmstrong.com (Emacs bug Tracking System)]

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Your message dated Fri, 27 Mar 2009 12:18:19 -0400
with message-id <jwvocvndjs1.fsf-monnier+emacsbugreports@gnu.org>
and subject line gpm server stop making emacs abort()
has caused the Emacs bug report #407,
regarding gpm server stop making emacs abort()
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
bug report if necessary, and/or fix the problem forthwith.

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-- 
407: http://emacsbugs.donarmstrong.com/cgi-bin/bugreport.cgi?bug=407
Emacs Bug Tracking System
Contact owner@emacsbugs.donarmstrong.com with problems

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If running with

	(gpm-mouse-mode 1)

and if you stop the gpm server, then emacs dies with

	Fatal error (6)Aborted

Output from "bt full" below; xbacktrace printed nothing at all.


The backtrace shows it at the abort() under the EBADF case in
wait_reading_process_output().  I think when Gpm_GetEvent gets an eof
from the server it closes gpm_fd; maybe that's the bad fd in question.


In GNU Emacs 23.0.60.1 (i586-pc-linux-gnu, GTK+ Version 2.12.10)
 of 2008-06-13 on blah.blah
configured using `configure  'CFLAGS=-O -g' '--prefix=/down/emacs/b/inst' '--with-x-toolkit=gtk''

Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: nil
  value of $LC_CTYPE: nil
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: nil
  value of $LANG: en_AU
  value of $XMODIFIERS: nil
  locale-coding-system: iso-latin-1-unix
  default-enable-multibyte-characters: t

Major mode: Lisp Interaction

Minor modes in effect:
  gpm-mouse-mode: t
  menu-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  global-auto-composition-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  line-number-mode: t
  transient-mark-mode: t


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#0  0xb76728c1 in kill () from /lib/libc.so.6
No symbol table info available.
#1  0x080fbd49 in abort () at /down/emacs/src/emacs.c:427
No locals.
#2  0x0819559a in wait_reading_process_output (time_limit=30, microsecs=0, 
    read_kbd=-1, do_display=1, wait_for_cell=137641241, wait_proc=0x0, 
    just_wait_proc=0) at /down/emacs/src/process.c:4634
	timeout_reduced_for_timers = 0
	channel = 1
	nfds = -1
	Available = {fds_bits = {160, 0 <repeats 31 times>}}
	Connecting = {fds_bits = {0 <repeats 32 times>}}
	check_connect = 0
	check_delay = 0
	no_avail = 0
	xerrno = 9
	proc = 0
	timeout = {tv_sec = 25, tv_usec = 696000}
	end_time = {tv_sec = 1213338499, tv_usec = 981053}
	wait_channel = -1
	got_some_input = 1
#3  0x08056db5 in sit_for (timeout=240, reading=1, do_display=1)
    at /down/emacs/src/dispnew.c:6618
	sec = 30
	usec = 0
#4  0x08107775 in read_char (commandflag=1, nmaps=2, maps=0xbf9e9a60, 
    prev_event=137641241, used_mouse_menu=0xbf9e9ae8, end_time=0x0)
    at /down/emacs/src/keyboard.c:2930
	tem0 = <value optimized out>
	delay_level = 4
	buffer_size = <value optimized out>
	c = 137641241
	local_getcjmp = {{__jmpbuf = {137641241, 138142696, 146700176, 
      -1080124904, 690995329, 887540718}, __mask_was_saved = 0, 
    __saved_mask = {__val = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 137667092, 1536, 
        3214842376, 135944962, 137667088, 0, 0, 0, 0, 0, 0, 0, 192, 
        4294967292, 137667088, 0, 137667088, 137667088, 3214842408, 135633649, 
        137667088, 192}}}}
	save_jump = {{__jmpbuf = {0, 0, 0, 0, 0, 0}, __mask_was_saved = 0, 
    __saved_mask = {__val = {0 <repeats 32 times>}}}}
	key_already_recorded = 0
	tem = 146700176
	save = <value optimized out>
	previous_echo_area_message = 137641241
	also_record = 137641241
	reread = 0
	polling_stopped_here = <value optimized out>
	orig_kboard = (struct kboard *) 0x8be7790
#5  0x0810a47a in read_key_sequence (keybuf=0xbf9e9bc4, bufsize=30, 
    prompt=137641241, dont_downcase_last=0, can_return_switch_frame=1, 
    fix_current_buffer=1) at /down/emacs/src/keyboard.c:9443
	interrupted_kboard = (KBOARD *) 0x8be7790
	key = 137706808
	used_mouse_menu = 0
	echo_local_start = 0
	last_real_key_start = 0
	keys_local_start = 0
	local_first_binding = 0
	from_string = 137641241
	count = 2
	t = 0
	echo_start = 0
	keys_start = 0
	nmaps = 2
	nmaps_allocated = 2
	defs = (Lisp_Object * volatile) 0xbf9e9a40
	submaps = (Lisp_Object * volatile) 0xbf9e9a60
	orig_local_map = 147392757
	orig_keymap = 137641241
	localized_local_map = 0
	first_binding = 0
	first_unbound = 31
	mock_input = 0
	fkey = {parent = 137948733, map = 137948733, start = 0, end = 0}
	keytran = {parent = 137634685, map = 137634685, start = 0, end = 0}
	indec = {parent = 137948797, map = 137948797, start = 0, end = 0}
	shift_translated = 0
	delayed_switch_frame = 137641241
	original_uppercase = 137800728
	original_uppercase_position = -1
	starting_buffer = (struct buffer *) 0x834a210
	fake_prefixed_keys = 137641241
#6  0x0810bff0 in command_loop_1 () at /down/emacs/src/keyboard.c:1651
	cmd = <value optimized out>
	lose = 137837243
	nonundocount = 0
	keybuf = {24, 56, 0 <repeats 18 times>, -1080124376, -1080124528, 0, 
  -1080164352, 137641241, 142934753, 138142696, 138142696, 138142712, 
  -1080124344}
	i = 2
	prev_modiff = 11
	prev_buffer = (struct buffer *) 0x834a210
	already_adjusted = 0
#7  0x0815edcb in internal_condition_case (bfun=0x810bd11 <command_loop_1>, 
    handlers=137684385, hfun=0x8106559 <cmd_error>)
    at /down/emacs/src/eval.c:1511
	val = <value optimized out>
	c = {tag = 137641241, val = 137641241, next = 0xbf9e9d70, gcpro = 0x0, 
  jmp = {{__jmpbuf = {138142696, 138142696, 138142712, -1080124104, 691576961, 
        1071307758}, __mask_was_saved = 0, __saved_mask = {__val = {1, 
          3214842728, 3077261132, 3078107488, 3086920636, 3214842752, 
          3078103028, 276967387, 3079470328, 8655230, 48, 3076832444, 
          3214843408, 3214843116, 3214843396, 3214843256, 135346508, 2, 
          3214843268, 3214843116, 0 <repeats 12 times>}}}}, backlist = 0x0, 
  handlerlist = 0x0, lisp_eval_depth = 0, pdlcount = 2, 
  poll_suppress_count = 1, interrupt_input_blocked = 0, byte_stack = 0x0}
	h = {handler = 137684385, var = 137641241, chosen_clause = 0, 
  tag = 0xbf9e9c70, next = 0x0}
#8  0x08105aa2 in command_loop_2 () at /down/emacs/src/keyboard.c:1367
	val = 0
#9  0x0815ee81 in internal_catch (tag=137680361, 
    func=0x8105a7f <command_loop_2>, arg=137641241)
    at /down/emacs/src/eval.c:1247
	c = {tag = 137680361, val = 137641241, next = 0x0, gcpro = 0x0, jmp = {
    {__jmpbuf = {138142696, 138142696, 138142712, -1080123848, 691716225, 
        1071442414}, __mask_was_saved = 0, __saved_mask = {__val = {0, 0, 0, 
          0, 0, 3077261489, 0, 0, 0, 0, 0, 0, 0, 0, 192, 3078107544, 1, 176, 
          22, 0, 137872602, 137869672, 137872600, 3214843432, 135602776, 
          137869673, 137872602, 137641241, 137667088, 137872602, 0, 
          137641265}}}}, backlist = 0x0, handlerlist = 0x0, 
  lisp_eval_depth = 0, pdlcount = 2, poll_suppress_count = 1, 
  interrupt_input_blocked = 0, byte_stack = 0x0}
#10 0x081063d6 in command_loop () at /down/emacs/src/keyboard.c:1346
No locals.
#11 0x081066eb in recursive_edit_1 () at /down/emacs/src/keyboard.c:955
	val = <value optimized out>
#12 0x08106812 in Frecursive_edit () at /down/emacs/src/keyboard.c:1017
	buffer = 137641241
#13 0x080fd61d in main (argc=2, argv=0xbf9ea244)
    at /down/emacs/src/emacs.c:1772
	dummy = 48
	stack_bottom_variable = 7 '\a'
	do_initial_setlocale = 1
	skip_args = 0
	rlim = {rlim_cur = 8388608, rlim_max = 18446744073709551615}
	no_loadup = 0
	junk = 0x0

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From: Stefan Monnier <monnier@iro.umontreal.ca>
To: 407-done@emacsbugs.donarmstrong.com
Subject: gpm server stop making emacs abort()
Date: Fri, 27 Mar 2009 12:18:19 -0400
Message-ID: <jwvocvndjs1.fsf-monnier+emacsbugreports@gnu.org>

Thanks Kevin for your patch.  I've tried it out and it seems to be fine,
so I installed it (at long last).
We're really relying too much on undocumented parts of the GPM API, tho.


        Stefan