gmane.lisp.clisp.general

UNIX error 14 (EFAULT)

Tomas Hlavaty — 2012-05-22T07:56:53

Hi all,

I would like to ask if there is a way to avoid the following crash:

1) In the first terminal run

   $ tcpserver 127.0.0.1 3333 clisp -norc -q -x '(print :hi)'

2) In the second terminal run

   $ nc localhost 3333 
   
   :HI 
   :HI
   $

3) In the first terminal I get

   *** - UNIX error 14 (EFAULT): Bad address

   [/build/buildd/clisp-2.49/src/eval.d:573] reset() found no driver frame
   (sp=0x7fff36a66930-0x7fff36a612f0)

which doesn't seem right, there seems to be an issue with closing the
pipe.

I am running the default clisp which comes with the latest ubuntu GNU
CLISP 2.49 (2010-07-07) on machine with Linux 3.2.0-24-generic
#37-Ubuntu SMP x86_64 GNU/Linux.

*features*

(:ASDF2 :ASDF :READLINE :REGEXP :SYSCALLS :I18N :LOOP :COMPILER :CLOS
 :MOP :CLISP
 :ANSI-CL :COMMON-LISP :LISP=CL :INTERPRETER :SOCKETS :GENERIC-STREAMS
 :LOGICAL-PATHNAMES
 :SCREEN :FFI :GETTEXT :UNICODE :BASE-CHAR=CHARACTER :WORD-SIZE=64
 :PC386 :UNIX)

Thank you,

Tomas

------------------------------------------------

stream-handles behavior

Didier Verna — 2012-05-21T09:58:07

  Hello,

The current behavior of EXT:STREAM-HANDLES is to return two file
descriptors (input and output) when possible, and error otherwise.

The problem I have with this behavior is that (apparently) there's no
way to predict whether it is possible to perform this operation or not
on a random stream (notably when it's just of class STREAM): IIUC,
stream_handles does the validity check based on information which is
only available at the C level.

I can currently work around this by catching STREAM-SIMPLE-ERROR but
this is not satisfactory (too coarse a grain). So my question is:

- would it hurt if EXT:STREAM-HANDLES were changed to return nil instead
  of error'ing? CCL does this with his STREAM-DEVICE function for
  instance.

- otherwise, could we have a predicate such as STREAM-HAS-HANDLES-P
  please?


Or, we could enrich the STREAM class hierarchy with a mixin for streams
with handles, or, expose the current implementation details (the
strmtype field) to the Lisp level. But maybe we don't want to go

advice sought - debugging core files

Don Cohen — 2012-05-11T17:45:14

I see some core files sitting around.
The file command shows, e.g.,
/home/jack/data2012/core.29192: ELF 32-bit LSB core file Intel 80386,
version 1 (SYSV), SVR4-style, from '/usr/lib/clisp-2.49/base/lisp.run -B
/usr/lib/clisp-2.49 -M /usr/lib/clisp-2.49' 

Is there some way to use the lisp debugger to see what was going on?

So far I'm up to here:

$ gdb /usr/lib/clisp-2.49/base/lisp.run /home/jack/data2012/core.29192

GNU gdb (GDB) Fedora (7.3.50.20110722-13.fc16) 
Copyright (C) 2011 Free Software Foundation, Inc. 
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> 
This is free software: you are free to change and redistribute it. 
There is NO WARRANTY, to the extent permitted by law.  Type "show copying" 
and "show warranty" for details. 
This GDB was configured as "i686-redhat-linux-gnu". 
For bug reporting instructions, please see: 
<http://www.gnu.org/software/gdb/bugs/>... 
Reading symbols from /usr/lib/clisp-2.49/base/lisp.run...Reading
symbols from /usr/lib/debug/usr/lib/

clisp, regexp:match, and subgroups?

Mike Eggleston — 2012-05-02T17:23:37

I'm trying to understand (regexp:match...).  I have this function
where it is matching a pattern.  I'm trying to extract that pattern.
I found where the POSIX regexps will match subgroups.  Great. I have the
matching working.  Now, how do I see any subgroup other than the first
one?  I found a mention of a (multi-value-bind...), but clisp says that
function doesn't exist.  How do I access the other-than-first matches?

Mike

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"full" does not "make install"

Christopher Stacy — 2012-04-01T18:42:01

On Linux, I downloaded all the components source code and was able to "make install" them.

The base is installed, but the "full" directory does not get installed.
I succeeded by manually creating the directory, links, and copying the files.


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status of clisp on OS X

Christopher Stacy — 2012-04-01T19:03:01

I am trying to set up clisp for FastCGI on the Mac (Snow Leopard), and it's not going well.

I downloaded libsigsegv-2.9 and it will build, but doesn't work: stackoverflow2 fails.
The MacPorts libsigsegv-2.9.0 builds and installs (don't know if it runs the checks, though).

The ffcall-1.10 doesn't even configure without blowing up several times,
and once you get past that, it doesn't build (either from the downloaded version or from MacPorts).
I see that this was originally reported a little over a year ago and the answer was:
MacOS on Intel is not supported.

I was trying to avoid being stuck on an old release, but I wanted to use clisp, not debug it.
So at this point, I gave up and tried "port install clisp".

Error: Target org.macports.build returned: shell command failed (see log for details)
Error: Status 1 encountered during processing.

;;  Loading file /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_lang_clisp/clisp/work/clisp-2.49/src/clos-methcomb1.fas

(require "linux") fails.

Pascal J. Bourguignon — 2012-03-26T22:48:59

On gentoo: 

$ uname -a
Linux kuiper 2.6.38-gentoo-r6-pjb-c9 #2 SMP Wed Jul 13 00:23:08 CEST 2011 x86_64 Intel(R) Core(TM) i7 CPU 950 < at > 3.07GHz GenuineIntel GNU/Linux

I cannot load the linux module, because of some undefined symbol:

TEST> (lisp-implementation-version)
"2.49+ (2010-07-17) (built 3541129397) (memory 3541129660)"
TEST> (require "linux")
;; Loading file /data/languages/clisp-hg/lib/clisp-2.49+/dynmod/linux.lisp ...
;;  Loading module linux from /data/languages/clisp-hg/lib/clisp-2.49+/dynmod/lib-linux.so

*** - SYSTEM::DYNLOAD-MODULES: "dlopen" -> "/data/languages/clisp-hg/lib/clisp-2.49+/dynmod/lib-linux.so: undefined symbol: rpl_ioctl"
The following restarts are available:
SKIP           :R1      skip (DYNLOAD-MODULES # '#)
RETRY          :R2      retry (DYNLOAD-MODULES # '#)
STOP           :R3      stop loading file /data/languages/clisp-hg/lib/clisp-2.49+/dynmod/linux.lisp
RETRY          :R4      Retry SLIME REPL evaluation request.
PROCESS-INPUT  :R5      Continue reading input.
ABORT

clisp with LAPACK floating-point underflow

Al Steffens — 2012-03-25T15:52:30

Looking for hints from anyone using LAPACK with clisp (2.48).  I've built the
clocc software, and build and loaded f2cl, then compiled and loaded LAPACK. 
When I call an LAPACK function, say by calling (test-dgeev) in the
lapack-tests.lisp file, there is a floating-point underflow or divide by zero
failure.  But it is not the input data.  I have a build of maxima built on top
of clisp (2.41), and calling the same function with the same data (within the
to_lisp() environment) is successful.  Evidently, there is a step needed in the
f2cl usage which the maxima developers have figured out.


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Link error clisp-2.49 on MacOSX

Willem Rein Oudshoorn — 2012-03-25T11:26:41

Hi,

I am trying to compile clisp-2.49 on MacOSX 10.6.8 
and I get an error during link that libiconv is not defined.
(See snippet of the build log below).

I briefly looked at the error and it seems that 
stream.c uses a macro to define iconv --> libiconv and libiconv is not
in the libiconv.2.4.0.dylib.

Does anyone have some tips on how to fix this or debug this further.
(I hope it is just a configure time flag.)

Wim Oudshoorn.


gcc -g -O2 -W -Wswitch -Wcomment -Wpointer-arith -Wimplicit -Wreturn-type -Wmissing-declarations -Wno-sign-compare -Wno-format-nonliteral -O -falign-functions=4 -DUNIX_BINARY_DISTRIB -DENABLE_UNICODE -DDYNAMIC_MODULES -DNO_GETTEXT -I.   spvw.o spvwtabf.o spvwtabs.o spvwtabo.o eval.o control.o encoding.o pathname.o stream.o socket.o io.o funarg.o array.o hashtabl.o list.o package.o record.o weak.o sequence.o charstrg.o debug.o error.o misc.o time.o predtype.o symbol.o lisparit.o i18n.o unixaux.o built.o modules.o -lncurses  -liconv -L/usr/local/lib -lsigsegv -lc libgnu_cl.a -o lis

fastcgi doesn't apper in FEATURES

Achilles Xu — 2012-03-10T02:00:49

I built clisp on a ubuntu server with './confiugre --with-module=fastcgi',
and everything got ok when I run 'make' and 'make install'.

But then when I entered the clisp repl and checked *FEATURES*, it didn't
include ':FASTCGI' or any similar symbols.

What it the problem and how can I fix it?

Thanks.

connecting CLISP and Java

2012-03-05T14:28:32

Hi,

 

I'm new to CLISP and I'd like if someone can advise me.

I'm trying to put a java interface to a lisp application. This lisp application is compatible with CLISP, so I've made a mem image and load some cl files and can call some functions and works fine. My problem is that I need to create an interfaz with Java but I don't know how to do it.

The lisp code is an AI application called Babylon developed in 90's and I need to put some interface with Java. Because the application works fine in CLISP, I'd like to do a Java application, and If I do some call to a function, the response from the console appears in Java and if I need to send some parameters, that this parameter appears in the console.

 

I don't if there are some application, interface or function to call the lisp console from webservices and the webservices try to call it from Java. I need advice.

Thanks 

 
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--load ? --eval ?

Didier Verna — 2012-03-02T15:54:34

  Hello,

I need to do with clisp what I do with at least 5 other CL
implementations as:

<impl> --eval expr --load file

but I can't seem to figure out how. -x is close to --eval but quits the
program, -i load a file but I need the expr to be evaluated before
loading the file. Finally, I don't understand this bit from -h, so I
don't know if it would help me:

Depending on the image, positional arguments can mean:
   lispscript [argument ...] - load script, then exit
   [argument ...]            - run the init-function


Thanks!

posix:file-stat returns negative size

Don Cohen — 2012-02-02T09:51:21

I guess it assumes 32 bit signed.

 (posix:file-stat "/home/don/VirtualBox VMs/windows xp/Snapshots/{02414c07-90f0-4387-ac2e-52078ba3bee2}.vdi")
#<FILE-STAT
  :FILE
  "/home/don/VirtualBox VMs/windows xp/Snapshots/{02414c07-90f0-4387-ac2e-52078ba3bee2}.vdi"
  :DEV 64770 :INO 10098767 :MODE (:RUSR :WUSR 32768) :NLINK 1 :UID 1000
  :GID 1000 :RDEV NIL :SIZE -1471107072 :BLKSIZE NIL :BLOCKS NIL
  :ATIME 3537163207 :MTIME 3533752625 :CTIME 3533752625>

$ stat "/home/don/VirtualBox VMs/windows xp/Snapshots/{02414c07-90f0-4387-ac2e-52078ba3bee2}.vdi"
  File: `/home/don/VirtualBox VMs/windows xp/Snapshots/{02414c07-90f0-4387-ac2e-52078ba3bee2}.vdi'
  Size: 2823860224      Blocks: 5515360    IO Block: 4096   regular file
Device: fd02h/64770d    Inode: 10098767    Links: 1
Access: (0600/-rw-------)  Uid: ( 1000/     don)   Gid: ( 1000/ don)
Context: unconfined_u:object_r:user_home_t:s0
Access: 2012-02-02 01:20:07.198694116 -0800
Modify: 2011-12-24 13:57:05.128650659 -0800
Change: 2011-12-24 13:57:05.128650659 -0800

using pathnames containing wildcard characters

Don Cohen — 2012-01-31T00:12:54

Was there ever a conclusion to this discussion?
A work around?

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make-stream generates errors when run from Apache CGIscript

Mike Palmer — 2012-01-24T21:08:08

Dear Clisp Users

I have been teaching myself lisp using clisp 2.49 on Windows 7
Professional. I've been trying to write some simple CGI scripts but
have been running into trouble when I try to read in binary input from
standard input.  I've been using make-stream as explained in the
implementation notes
(http://clisp.podval.org/impnotes.html#bin-stdio). Although I can read
in binary from the standard input using an interactive session, when I
run it in a CGI script it generates Apache errors. I'm using Apache
2.2, also on Windows 7 Professional.

Here is a stripped back version of the code which still produces the error:

    #! C:\Program Files\clisp-2.49\clisp.exe --quiet

    (format t "Content-type: text/plain; charset=iso-8859-1~1%~1%")
    (format t "hello world~1%")
    (EXT:MAKE-STREAM :INPUT :DIRECTION :INPUT :ELEMENT-TYPE '(UNSIGNED-BYTE 8))
    (format t "goodbye world~1%")

Here is the error:

   [Tue Jan 24 20:26:44 2012] [error] [client 127.0.0.1] *** - Invalid
direction :INPUT for accessing #

PROBE-DIRECTORY

Don Cohen — 2012-01-20T03:04:12

impnotes says:
 (EXT:PROBE-DIRECTORY pathname) tests whether pathname exists and is a
 directory. It will, unlike PROBE-FILE or TRUENAME, not SIGNAL an ERROR
 if the parent directory of pathname does not exist.

This means to me that I should expect a result of T or NIL, at least
if I provide an argument that can be interpreted as a pathname, e.g.,
either "xxx" or #p"xxx".

 (ext:probe-directory "/xxx")

*** - PROBE-DIRECTORY: Not a directory: #P"/xxx"
The following restarts are available:
...


Shouldn't this return nil?
So far I only see how to make it return t and generate the error
above.

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new mailing list language-experts

Bruno Haible — 2012-01-03T17:43:54

For discussions around programming languages, within GNU, but not specific
to a particular GNU package, there is now a mailing list
<language-experts< at >gnu.org>.

The subscription page is here:
https://lists.gnu.org/mailman/listinfo/language-experts

You are invited to join if you have extensive experience in this area.

Topics will range from programming language design issues to implementation
techniques. Possible topics include specific language features, diagnostics,
multi-threading / parallel execution, programming styles, just-in-time
compilation, and security.

Bruno


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curious feature of decode-universal-time

Don Cohen — 2011-12-15T00:06:26

CLHS says the input should be a universal time and that this
must be an integer.  However I notice in current clisp floats
are accepted.  On the other hand, they don't result in correct
answers.  The seconds always seem to come out as 0.0.

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getopt stack overflow?

Hacksaw — 2011-11-28T18:57:32

The version of getopt is 1.2.0-3, as shipped from the Ubuntu 10.04 archives.

Welcome to GNU CLISP 2.44.1 (2008-02-23) <http://clisp.cons.org/>

[1]> (asdf:oos 'asdf:load-op 'getopt)
; loading system definition from /usr/share/common-lisp/systems/getopt.asd into #<PACKAGE ASDF0>
;; Loading file /usr/share/common-lisp/systems/getopt.asd ...
; registering #<SYSTEM GETOPT #x000335227E20> as GETOPT
; registering #<SYSTEM GETOPT-TESTS #x000335260B10> as GETOPT-TESTS

*** - Program stack overflow. RESET


What could I be doing differently?
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Omnia plures altus Latina videt.





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c

Special Variables

raja naresh — 2011-11-07T05:09:33

Hey guys,

I have a question regarding special variables.

(do ((var 'nil))
      ((equal var '(a b c)) var)
      (setf var (append var '(a b c))))

The above code returns '(a b c).
But when I define a function

(defun func () (setf var (append var '(a b c))))

and do the following:

(do ((var 'nil))
      ((equal var '(a b c)) var)
      (func))

 The interpreter gives me an error

*** - SETQ: variable VAR has no value

Isn't VAR supposed to be a special variable for FUNC which is in the scope
of DO function. I am pretty sure I am missing some concept here. Any kind
of help is appreciated. Thank you.

Regards
Raja Naresh
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MAKE-ARRAY error

raja naresh — 2011-11-06T07:16:23

Hey guys,

I just want to know why I get an error when I do the following:

Code:
====

*** - MAKE-ARRAY: dimension (PARSE-INTEGER "5") is not of type `(INTEGER 0
 (,ARRAY DIMENSION-LIMIT))

Why doesn't make-array take the integer returned by PARSE-INTEGER. INTEGERP
on the value returned by PARSE-INTEGER gives T. Any kind of help is
appreciated. Thank you.

Regards
Raja Naresh
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