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Message-ID:	<42076A6C.90404@x-ray.at>
Date:	Mon, 07 Feb 2005 14:17:32 +0100
From:	Reini Urban <rurban AT x-ray DOT at>
Reply-To:	libwin32 AT perl DOT org
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To:	cygwin AT cygwin DOT com
CC:	libwin32 AT perl DOT org
Subject:	Re: perl winpid?
References:	<42065552 DOT 4050504 AT x-ray DOT at> <Pine DOT GSO DOT 4 DOT 61 DOT 0502061812190 DOT 10939 AT slinky DOT cs DOT nyu DOT edu>
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Igor Pechtchanski schrieb:
> On Sun, 6 Feb 2005, Reini Urban wrote:
>>I feel quite stupid now, but found nothing simple.
>>How to get the winpid from the current process in cygwin's perl?
>>
>>$$ is the cygwin pid which is different from the windows pid
>>GetCurrentProcessId().
> 
> winpid = cygwin_internal(CW_CYGWIN_PID_TO_WINPID, pid) ?

Sure, but in any perl API?

There's apparently a new libwin32 AT perl DOT org list,
the perl-win32-porters AT listserv DOT ActiveState DOT com list is almost 
unmaintained for some years now.

We will check out there where this cygwin specific functionality
will go to.
Win32::Process::CygwinToWin32ProcessID() is my suggestion.

.pm:
=item Win32::Process::CygwinToWin32ProcessID($pid)

Returns the windows process ID for the given cygwin pid.
On non-cygwin platforms it will return the $pid argument without 
translation.

=item Win32::Process::Win32ToCygwinProcessID($pid)

Returns the cygwin process ID for the given windows pid.
On non-cygwin platforms it will return the $pid argument without 
translation.

.xs:
DWORD
CygwinToWin32ProcessID(pid)
     DWORD pid
CODE:
#ifdef __CYGWIN__
     RETVAL = cygwin_internal(CW_CYGWIN_PID_TO_WINPID, pid);
#else
     RETVAL = pid;
#endif
OUTPUT:
     RETVAL

DWORD
Win32ToCygwinProcessID(pid)
     DWORD pid
CODE:
#ifdef __CYGWIN__
     RETVAL = (DWORD)cygwin32_winpid_to_pid(pid);
#else
     RETVAL = pid;
#endif
OUTPUT:
     RETVAL

-- 
Reini Urban
http://xarch.tu-graz.ac.at/home/rurban/

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