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This queue is for tickets about the Win32-MMF CPAN distribution.

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Id: 118683
Status: new
Priority: 0/
Queue: Win32-MMF

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Owner: Nobody in particular
Requestors: Chris_Webster [...] bmc.com
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Subject: MMF::CreateFileMapping Fails with Perl 64 bit
Date: Wed, 9 Nov 2016 00:46:07 +0000
To: "bug-Win32-MMF [...] rt.cpan.org" <bug-Win32-MMF [...] rt.cpan.org>
From: "Webster, Chris" <Chris_Webster [...] bmc.com>
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While running Strawberry Perl 64-bit the CreateFileMapping fails with Invalid File Handle. The initial error is: Use of uninitialized value in subroutine entry at C:/home/dev/perl/5240/perl/perl/site/lib/Win32/MMF.pm line 149. Setting debug on got this message: CreateFileMapping: Error creating file mapping Changing MMF.pm gave the invalid file handle message: $ns = CreateFileMapping($swap, $size, $namespace) or croak Win32::FormatMessage( Win32::GetLastError()); Initially changed MMF.pm to pass a handle of -1 instead of 0 and it worked. Changing line 548 of MMF.xs from: HANDLE hFile = (HANDLE)0xFFFFFFFF; To: HANDLE hFile = INVALID_HANDLE_VALUE; Resolved the problem. I did not run a 32-bit build (this was my first build of any part of perl). Running on Win7 64-bit. c:\home\dev\scc\1211\scc\build\make>perl -V Summary of my perl5 (revision 5 version 24 subversion 0) configuration: Platform: osname=MSWin32, osvers=6.3, archname=MSWin32-x64-multi-thread uname='Win32 strawberry-perl 5.24.0.1 #1 Tue May 10 21:30:49 2016 x64' config_args='undef' hint=recommended, useposix=true, d_sigaction=undef useithreads=define, usemultiplicity=define use64bitint=define, use64bitall=undef, uselongdouble=undef usemymalloc=n, bincompat5005=undef Let me know if you need more information. Thanks, ...chris.


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