Mercurial > hg > xemacs-beta
diff tests/sigpipe.c @ 1231:3f6adebda25c
[xemacs-hg @ 2003-01-23 11:24:08 by stephent]
sigpipe <87u1g0ktd8.fsf@tleepslib.sk.tsukuba.ac.jp>
test-harness.el <87ptqoktab.fsf@tleepslib.sk.tsukuba.ac.jp>
author | stephent |
---|---|
date | Thu, 23 Jan 2003 11:24:13 +0000 |
parents | |
children | 679041362cd4 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/tests/sigpipe.c Thu Jan 23 11:24:13 2003 +0000 @@ -0,0 +1,59 @@ +/* code is all from loser.c and loser.el by Mly + +Copyright (C) 2002 Richard Mlynarik <mly@pobox.com> + +This is part of XEmacs + +Compile this file. Run it in the background giving it a command line +argument PORT which is a positive integer 1024 < PORT < 32768 (avoid the +numbers assigned in /etc/services). + +Then start up a fresh (you're going to crash) XEmacs. Execute the following + +(defun lose (port) + (interactive "nUrk: ") + (require 'comint) + (while t + (condition-case e + (let* ((name "*lose*") + (b (get-buffer-create name))) + (switch-to-buffer b) + (comint-mode) + (comint-exec b name (cons "127.0.0.1" port) nil '()) + (process-send-string (get-buffer-process b) "\377\373\001") + (process-send-string (get-buffer-process b) "\377\373\001")) + (error (message "URK: %s" e)) (sit-for 1)))) + +Then M-x lose RET PORT RET and you lose big (in XEmacs 21.1, anyway). +Note: the error messages are proper functioning. What should eventually +happen after a number of SIGPIPEs is that you get a SIGSEGV and life is +bad and XEmacs is dead. +*/ + +#include <arpa/inet.h> + +int +main (int argc, char **argv) +{ + struct sockaddr_in junk; + int s; + + memset (&junk, 0, sizeof (junk)); + + junk.sin_family = AF_INET; + junk.sin_addr.s_addr = htonl (INADDR_ANY); /* un*x sucks */ + junk.sin_port = htons (atoi (argv[1])); /* un*x blows */ + + s = socket (PF_INET, SOCK_STREAM, 0); + + bind (s, (struct sockaddr *)&junk, sizeof (junk)); + + listen (s, 1); + + for (;;) + { + int loser = accept (s, NULL, 0); + close (loser); + } +} +