From @xlat

Created by @xlat

I was running "perl -de1" to enter into the debugger and was
unable to got it's prompt and cpu/memory usage were growing up.
I finnaly found that a file c:\dev\tty was existing on my system
(must be a mistake outside of perl).
If I delete this file the debugger ran as expected.

It is because in perl5db.pl at line 1399 a test for '-e /dev/tty'
doesn't care that '$^O eq MSWin32' and use '/dev/tty' it rather
than 'con' for the $console.

Thanks.

Perl Info


Flags:
    category=core
    severity=low

Site configuration information for perl 5.16.0:

Configured by Nicolas at Fri Jun 22 15:32:32 2012.

Summary of my perl5 (revision 5 version 16 subversion 0) configuration:

  Platform:
    osname=MSWin32, osvers=5.1, archname=MSWin32-x86-multi-thread
    uname=''
    config_args='undef'
    hint=recommended, useposix=true, d_sigaction=undef
    useithreads=define, usemultiplicity=define
    useperlio=define, d_sfio=undef, uselargefiles=define, usesocks=undef
    use64bitint=undef, use64bitall=undef, uselongdouble=undef
    usemymalloc=n, bincompat5005=undef
  Compiler:
    cc='cl', ccflags ='-nologo -GF -W3 -MD -Zi -DNDEBUG -O1 -DWIN32
-D_CONSOLE -DNO_STRICT -D_CRT_SECURE_NO_DEPRECATE
-D_CRT_NONSTDC_NO_DEPRECATE  -DPERL_TEXTMODE_SCRIPTS
-DPERL_IMPLICIT_CONTEXT -DPERL_IMPLICIT_SYS -DUSE_PERLIO',
    optimize='-MD -Zi -DNDEBUG -O1',
    cppflags='-DWIN32'
    ccversion='14.00.50727.762', gccversion='', gccosandvers=''
    intsize=4, longsize=4, ptrsize=4, doublesize=8, byteorder=1234
    d_longlong=undef, longlongsize=8, d_longdbl=define, longdblsize=8
    ivtype='long', ivsize=4, nvtype='double', nvsize=8,
Off_t='__int64', lseeksize=8
    alignbytes=8, prototype=define
  Linker and Libraries:
    ld='link', ldflags ='-nologo -nodefaultlib -debug -opt:ref,icf
-libpath:"c:\perl\5.16.0\lib\CORE"  -machine:x86
"/manifestdependency:type='Win32'
name='Microsoft.Windows.Common-Controls' version='6.0.0.0'
processorArchitecture='*' publicKeyToken='6595b64144ccf1df'
language='*'"'
    libpth=\lib
    libs=oldnames.lib kernel32.lib user32.lib gdi32.lib winspool.lib
comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib
netapi32.lib uuid.lib ws2_32.lib mpr.lib winmm.lib  version.lib
odbc32.lib odbccp32.lib comctl32.lib msvcrt.lib
    perllibs=oldnames.lib kernel32.lib user32.lib gdi32.lib
winspool.lib  comdlg32.lib advapi32.lib shell32.lib ole32.lib
oleaut32.lib  netapi32.lib uuid.lib ws2_32.lib mpr.lib winmm.lib
version.lib odbc32.lib odbccp32.lib comctl32.lib msvcrt.lib
    libc=msvcrt.lib, so=dll, useshrplib=true, libperl=perl516.lib
    gnulibc_version=''
  Dynamic Linking:
    dlsrc=dl_win32.xs, dlext=dll, d_dlsymun=undef, ccdlflags=' '
    cccdlflags=' ', lddlflags='-dll -nologo -nodefaultlib -debug
-opt:ref,icf  -libpath:"c:\perl\5.16.0\lib\CORE"  -machine:x86
"/manifestdependency:type='Win32'
name='Microsoft.Windows.Common-Controls' version='6.0.0.0'
processorArchitecture='*' publicKeyToken='6595b64144ccf1df'
language='*'"'

Locally applied patches:



@INC for perl 5.16.0:
    C:/Perl/site/5.16.0/lib
    C:/Perl/5.16.0/lib
    .


Environment for perl 5.16.0:
    HOME (unset)
    LANG (unset)
    LANGUAGE (unset)
    LD_LIBRARY_PATH (unset)
    LOGDIR (unset)
    PATH=C:\Program Files\Microsoft Visual Studio
9.0\Common7\IDE;C:\Program Files\Microsoft Visual Studio
9.0\VC\BIN;C:\Program Files\Microsoft Visual Studio
9.0\Common7\Tools;C:\WINDOWS\Microsoft.NET\Framework\v3.5;C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727;C:\Program
Files\Microsoft Visual Studio 9.0\VC\VCPackages;C:\Program
Files\Microsoft
SDKs\Windows\v6.0A\bin;C:\WINDOWS;C:\WINDOWS\SYSTEM32;C:\WINDOWS\System32\Wbem;C:\Program
Files\wscite;C:\Program Files\IDM Computer
Solutions\UltraEdit\;C:\Program Files\Subversion;C:\Program
Files\TortoiseSVN\bin;C:\Python25\;C:\Perl\bin;C:\Perl\site\bin;C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727;C:\PROGRA~1\ATT\Graphviz\bin;C:\Program
Files\Sybase\Shared\PowerBuilder;C:\Program Files\Sybase\SQL Anywhere
9\win32;C:\Program
Files\Sybase\Shared\ASA9\win32;C:\gnuwin32\bin;c:\ruby\bin;C:\Program
Files\CollabNet Subversion Client;C:\Program Files\SQL Anywhere
11\bin32;C:\WINDOWS\Microsoft.NET\Framework\v3.5;C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727;C:\Program
Files\TortoiseGit\bin;C:\Program Files\Sybase\Adaptive Server Anywhere
6.0\win32;C:\Program Files\Sybase\SQL Anywhere 7\win32;C:\Program
Files\Sybase\Shared\Web Targets;C:\Program Files\Cppcheck\;C:\Program
Files\Sybase\SQL Anywhere 8\win32;C:\Program
Files\Sybase\Shared\win32;C:\Program Files\Sybase\Shared\Sybase
Central 4.1;C:\Program Files\Sybase\PowerDynamo\win32;C:\Program
Files\Sybase\Shared\DataDirect;C:\Program Files\Sybase\InfoMaker
9.0\Tutorial;C:\Program Files\SQL Anywhere 12\bin32;C:\Program
Files\Sybase\PowerBuilder
12.5;C:\WINDOWS\Microsoft.NET\Framework\v4.0.30319;;C:\Lua\5.1;C:\Lua\5.1\clibs;C:\WINDOWS;C:\WINDOWS\SYSTEM32;C:\WINDOWS\System32\Wbem;C:\Program
Files\wscite;C:\Program Files\IDM Computer
Solutions\UltraEdit-32\;C:\Program Files\Subversion;C:\Program
Files\TortoiseSVN\bin;C:\Python25\;C:\Perl\bin;C:\Perl\site\bin;C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727;C:\PROGRA~1\ATT\Graphviz\bin;C:\Program
Files\Sybase\Shared\PowerBuilder;C:\Program Files\Sybase\SQL Anywhere
9\win32;C:\Program
Files\Sybase\Shared\ASA9\win32;C:\EmbeddingPerl\perl\bin;C:\EmbeddingPerl\perl\shared;C:\Program
Files\Common Files\ConceptWare\ASA\v9Auth
    PERL_BADLANG (unset)
    SHELL (unset)

MSWin32/perl -de1 hang up #12244

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