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Top Forums UNIX for Advanced & Expert Users Cygwin <--> CMD App Problem (Terminal Type?) Post 302320617 by deckard on Thursday 28th of May 2009 12:19:45 PM
Old 05-28-2009
Cygwin <--> CMD App Problem (Terminal Type?)

I'm not sure if this is the right place to post this, but here it is. We have a nightly process that runs on an HP-UX box to stop our application and backend database servers, unmount their SAN hosted file systems, and then snapshot the SAN LUNs for backup and refresh of data on "report" and "test" systems. For the past five years it's all been done on the HP-UX side. But the new EVA4000 SAN we just moved to was purchased with a Windows 2003 server as the SAN manager.

We still need the snapshot creation/deletion managed from the HP-UX side. So to try and get this to happen, I installed Cygwin on the box. OpenSSH, Bash, and Vim were selected components. I got OpenSSH working great with the auth keys. I also am able to run many Windows CLI commands from the default Bash shell, or if need be set CMD.exe up as a shell for the SSH session. The problem is when I attempt to run the HP Commandview EVA "SSSU.EXE" command. The prompt goes away and there is no output from the app. I have to Ctrl-C to get out and sometimes an image of SSSU.EXE is left running on the system.

If I run SSSU from Bash on the Windows box itself, it also does the same thing. However, if I run it from CMD.EXE on the Windows box, it works. So I tried replacing the shell for the SSH login with CMD.EXE and SSSU still fails. As a test I tried running MS 'EDIT' in CMD directly on the box. That works as expected. But in Bash, or over OpenSSH, it behaves the same way the SSSU does.

What I suspect is happening is that both EDIT and SSSU expect something that only the CMD shell provides when executed locally. Likely some form of console or tty that Cygwin doesn't provide. So my question is... what might these applications be expecting that Cygwin isn't providing?

I wasn't sure whether to post this here or to the Windows mailing list I belong to. It feels kind of halfway between the Windows and *nix worlds.
 

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Inline-Support(3)					User Contributed Perl Documentation					 Inline-Support(3)

NAME
Inline-Support - Support Information for Inline.pm and related modules. DESCRIPTION
This document contains all of the latest support information for "Inline.pm" and the recognized Inline Language Support Modules (ILSMs) available on CPAN. SUPPORTED LANGUAGES
The most important language that Inline supports is "C". That is because Perl itself is written in "C". By giving a your Perl scripts access to "C", you in effect give them access to the entire glorious internals of Perl. (Caveat scriptor :-) As of this writing, Inline also supports: - C++ - Java - Python - Tcl - Assembly - CPR - And even Inline::Foo! :) Projects that I would most like to see happen in the year 2001 are: - Fortran - Ruby - Lisp - Guile - Bash - Perl4 SUPPORTED PLATFORMS
"Inline::C" should work anywhere that CPAN extension modules (those that use XS) can be installed, using the typical install format of: perl Makefile.PL make make test make install It has been tested on many Unix and Windows variants. NOTE: "Inline::C" requires Perl 5.005 or higher because "Parse::RecDescent" requires it. (Something to do with the "qr" operator) Inline has been successfully tested at one time or another on the following platforms: Linux Solaris SunOS HPUX AIX FreeBSD OpenBSD BeOS OS X WinNT Win2K WinME Win98 Cygwin The Microsoft tests deserve a little more explanation. I used the following: Windows NT 4.0 (service pack 6) Perl 5.005_03 (ActiveState build 522) MS Visual C++ 6.0 The "nmake" make utility (distributed w/ Visual C++) "Inline::C" pulls all of its base configuration (including which "make" utility to use) from "Config.pm". Since your MSWin32 version of Perl probably came from ActiveState (as a binary distribution) the "Config.pm" will indicate that "nmake" is the system's "make" utility. That is because ActiveState uses Visual C++ to compile Perl. To install "Inline.pm" (or any other CPAN module) on MSWin32 w/ Visual C++, use these: perl Makefile.PL nmake nmake test nmake install Inline has also been made to work with Mingw32/gcc on all Windows platforms. This is a free compiler for Windows. You must also use a perl built with that compiler. The "Cygwin" test was done on a Windows 98 machine using the Cygwin Unix/Win32 porting layer software from Cygnus. The "perl" binary on this machine was also compiled using the Cygwin tool set ("gcc"). This software is freely available from http://sources.redhat.com/cygwin/ If you get Inline to work on a new platform, please send me email email. If it doesn't work, let me know as well and I'll see what can be done. SEE ALSO
For general information about Inline see Inline. For information about using Inline with C see Inline::C. For sample programs using Inline with C see Inline::C-Cookbook. For information on writing your own Inline Language Support Module, see Inline-API. Inline's mailing list is inline@perl.org To subscribe, send email to inline-subscribe@perl.org AUTHOR
Brian Ingerson <INGY@cpan.org> COPYRIGHT
Copyright (c) 2000-2002. Brian Ingerson. Copyright (c) 2008, 2010, 2011. Sisyphus. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself. See http://www.perl.com/perl/misc/Artistic.html perl v5.16.3 2012-11-20 Inline-Support(3)
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