annotate tests/sigpipe.c @ 1559:9bf5135fc04f

[xemacs-hg @ 2003-07-04 07:16:25 by michaels] 2003-07-02 Mike Sperber <mike@xemacs.org> * toolbar.c (update_frame_toolbars_geometry): Update the frame size when correct information to compute it is actually available. Moreover, do it right via the frame method if it's available.
author michaels
date Fri, 04 Jul 2003 07:16:26 +0000
parents 3f6adebda25c
children 679041362cd4
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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3f6adebda25c [xemacs-hg @ 2003-01-23 11:24:08 by stephent]
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1 /* code is all from loser.c and loser.el by Mly
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2
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3 Copyright (C) 2002 Richard Mlynarik <mly@pobox.com>
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4
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5 This is part of XEmacs
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6
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7 Compile this file. Run it in the background giving it a command line
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8 argument PORT which is a positive integer 1024 < PORT < 32768 (avoid the
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9 numbers assigned in /etc/services).
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10
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11 Then start up a fresh (you're going to crash) XEmacs. Execute the following
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12
3f6adebda25c [xemacs-hg @ 2003-01-23 11:24:08 by stephent]
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13 (defun lose (port)
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14 (interactive "nUrk: ")
3f6adebda25c [xemacs-hg @ 2003-01-23 11:24:08 by stephent]
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15 (require 'comint)
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16 (while t
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17 (condition-case e
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18 (let* ((name "*lose*")
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19 (b (get-buffer-create name)))
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20 (switch-to-buffer b)
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21 (comint-mode)
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22 (comint-exec b name (cons "127.0.0.1" port) nil '())
3f6adebda25c [xemacs-hg @ 2003-01-23 11:24:08 by stephent]
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23 (process-send-string (get-buffer-process b) "\377\373\001")
3f6adebda25c [xemacs-hg @ 2003-01-23 11:24:08 by stephent]
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24 (process-send-string (get-buffer-process b) "\377\373\001"))
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25 (error (message "URK: %s" e)) (sit-for 1))))
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26
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27 Then M-x lose RET PORT RET and you lose big (in XEmacs 21.1, anyway).
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28 Note: the error messages are proper functioning. What should eventually
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29 happen after a number of SIGPIPEs is that you get a SIGSEGV and life is
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30 bad and XEmacs is dead.
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31 */
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32
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33 #include <arpa/inet.h>
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34
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35 int
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36 main (int argc, char **argv)
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37 {
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38 struct sockaddr_in junk;
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39 int s;
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40
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41 memset (&junk, 0, sizeof (junk));
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42
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43 junk.sin_family = AF_INET;
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44 junk.sin_addr.s_addr = htonl (INADDR_ANY); /* un*x sucks */
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45 junk.sin_port = htons (atoi (argv[1])); /* un*x blows */
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46
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47 s = socket (PF_INET, SOCK_STREAM, 0);
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48
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49 bind (s, (struct sockaddr *)&junk, sizeof (junk));
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50
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51 listen (s, 1);
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52
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53 for (;;)
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54 {
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55 int loser = accept (s, NULL, 0);
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56 close (loser);
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57 }
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58 }
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59