[perl #79996] error while debugging threads->create()

# New Ticket Created by  Vladimir Lettiev 
# Please include the string:  [perl #79996]
# in the subject line of all future correspondence about this issue. 
# <URL: http://rt.perl.org/rt3/Ticket/Display.html?id=79996 >



This is a bug report for perl from thecrux@gmail.com,
generated with the help of perlbug 1.39 running under perl 5.12.2.


-----------------------------------------------------------------
[Please describe your issue here]

While debuging threaded app, debugger returned unexpected error on
threads->create() if argument is 'sub {..}' or '\&somesub'

simple testcase:

$ PERLDB_OPTS="noTTY" perl -Mthreads -d -e "threads->create(sub{})->join"
Thread 1 terminated abnormally: Undefined subroutine &Term::ReadLine::CLONE called at -e line 1.
 at -e line 1 thread 1

no errors in this testcase:

$ PERLDB_OPTS="noTTY" perl -Mthreads -d -e "$r=sub{}; threads->create($r)->join"
$

[Please do not change anything below this line]
-----------------------------------------------------------------
---
Flags:
    category=library
    severity=medium
    module=threads
---
Site configuration information for perl 5.12.2:

Configured by builder at Wed Nov 17 16:02:15 UTC 2010.

Summary of my perl5 (revision 5 version 12 subversion 2) configuration:
   
  Platform:
    osname=linux, osvers=2.6.18-ovz-rhel-alt13.m51.15, archname=x86_64-linux-thread-multi
    uname='linux apiary.egro.altlinux.org 2.6.18-ovz-rhel-alt13.m51.15 #1 smp tue oct 12 07:57:28 utc 2010 x86_64 gnulinux '
    config_args='-ders -Dusethreads -Duseithreads -Duselargefiles -Duseshrplib -Dlibperl=libperl-5.12.so -Dcc=gcc -Doptimize=-pipe -Wall -O2 -Dprefix=/usr -Dprivlib=/usr/share/perl5 -Darchlib=/usr/lib64/perl5 -Dvendorprefix=/usr -Dvendorlib=/usr/share/perl5 -Dvendorarch=/usr/lib64/perl5 -Dotherlibdirs=/etc/perl5:/usr/lib/perl5/vendor_perl -Dinc_version_list=none -Dpager=/usr/bin/less -isR -Dman1dir=none -Dman3dir=none -Dsiteprefix=/usr/local -Dsitelib=/usr/local/share/perl/5.12.2 -Dsitearch=/usr/local/lib64/perl/5.12.2'
    hint=recommended, useposix=true, d_sigaction=define
    useithreads=define, usemultiplicity=define
    useperlio=define, d_sfio=undef, uselargefiles=define, usesocks=undef
    use64bitint=define, use64bitall=define, uselongdouble=undef
    usemymalloc=n, bincompat5005=undef
  Compiler:
    cc='gcc', ccflags ='-D_REENTRANT -D_GNU_SOURCE -fno-strict-aliasing -pipe -fstack-protector -I/usr/local/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64',
    optimize='-pipe -Wall -O2',
    cppflags='-D_REENTRANT -D_GNU_SOURCE -fno-strict-aliasing -pipe -fstack-protector -I/usr/local/include'
    ccversion='', gccversion='4.5.1 20101112 (ALT Linux 4.5.1-alt6)', gccosandvers=''
    intsize=4, longsize=8, ptrsize=8, doublesize=8, byteorder=12345678
    d_longlong=define, longlongsize=8, d_longdbl=define, longdblsize=16
    ivtype='long', ivsize=8, nvtype='double', nvsize=8, Off_t='off_t', lseeksize=8
    alignbytes=8, prototype=define
  Linker and Libraries:
    ld='gcc', ldflags =' -fstack-protector -L/usr/local/lib'
    libpth=/usr/local/lib /lib /usr/lib /lib64 /usr/lib64 /usr/local/lib64
    libs=-lnsl -lgdbm -ldb -ldl -lm -lcrypt -lutil -lpthread -lc -lgdbm_compat
    perllibs=-lnsl -ldl -lm -lcrypt -lutil -lpthread -lc
    libc=, so=so, useshrplib=true, libperl=libperl-5.12.so
    gnulibc_version='2.11.2'
  Dynamic Linking:
    dlsrc=dl_dlopen.xs, dlext=so, d_dlsymun=undef, ccdlflags='-Wl,-E'
    cccdlflags='-fPIC', lddlflags='-shared -pipe -Wall -O2 -L/usr/local/lib -fstack-protector'

Locally applied patches:
    

---
@INC for perl 5.12.2:
    /usr/local/lib64/perl/5.12.2
    /usr/local/share/perl/5.12.2
    /usr/lib64/perl5
    /usr/share/perl5
    /usr/lib64/perl5
    /usr/share/perl5
    /etc/perl5
    /usr/lib/perl5/vendor_perl
    .

---
Environment for perl 5.12.2:
    HOME=/home/crux
    LANG=ru_RU.UTF-8
    LANGUAGE (unset)
    LD_LIBRARY_PATH (unset)
    LOGDIR (unset)
    PATH=/home/crux/bin:/bin:/usr/bin:/usr/local/bin:/usr/X11R6/bin:/usr/games
    PERL_BADLANG (unset)
    SHELL=/usr/bin/zsh

• Re: [perl #79996] error while debugging threads->create() by Vladimir Lettiev
• [perl #79996] error while debugging threads->create() by Vladimir Lettiev