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From Ben Martz <benma...@gmail.com>
Subject Re: [jira] Commented: (LUCENENET-216) FSDirectory.Sync Fix to Ensure Flush to Disk
Date Tue, 10 Nov 2009 15:07:52 GMT
P/invokes are unsupported in mono because the target platform dll only  
exists on Windows so there's nothing to thunk to on Linux, Mac OS X  
and the iPhone OS. :(

Sent from my iPhone

On Nov 10, 2009, at 5:11, "George Aroush" <george@aroush.net> wrote:

> This is good to know.  How about code like this:
>
>    [System.Runtime.InteropServices.DllImport("kernel32")]
>    public static extern int
> FlushFileBuffers(Microsoft.Win32.SafeHandles.SafeFileHandle  
> SafeFileHandle);
>
> Will this work with Mono?
>
> -- George
>
> -----Original Message-----
> From: Sean Carpenter [mailto:stcarpenter@gmail.com]
> Sent: Tuesday, November 10, 2009 7:26 AM
> To: lucene-net-dev@incubator.apache.org
> Subject: Re: [jira] Commented: (LUCENENET-216) FSDirectory.Sync Fix to
> Ensure Flush to Disk
>
> I've done some work with Lucene.Net on Mono, so keeping it running
> there is important to me.  As for issues related to the future move to
> .Net 3.5, Mono has support for 3.5 including LINQ, so that shouldn't
> be a concern.  The P/Invokes are the biggest concern to me.
>
> Sean Carpenter
>
> On Tue, Nov 10, 2009 at 12:44 AM, Michael Garski (JIRA) <jira@apache.org 
> >
> wrote:
>>
>>    [
> https://issues.apache.org/jira/browse/LUCENENET-216?page=com.atlassian.jira 
> .
> plugin.system.issuetabpanels:comment- 
> tabpanel&focusedCommentId=12775305#acti
> on_12775305 ]
>>
>> Michael Garski commented on LUCENENET-216:
>> ------------------------------------------
>>
>> Sounds like a good course of action for now.  Hopefully some of the  
>> Mono
> Lucene.Net users will see this thread and chime in.
>>
>> I'll create a new patch with conditional compilation and with Nick's
> suggestion on the mailing list earlier regarding security.
>>
>>> FSDirectory.Sync Fix to Ensure Flush to Disk
>>> --------------------------------------------
>>>
>>>                 Key: LUCENENET-216
>>>                 URL: https://issues.apache.org/jira/browse/LUCENENET-216
>>>             Project: Lucene.Net
>>>          Issue Type: Bug
>>>            Reporter: Michael Garski
>>>         Attachments: FSDirectory.Sync.patch
>>>
>>>
>>> DIGY and Doug discussed this issue during the 2.9 port, and this  
>>> is a
> patch to give 2.9 the expected behavior of actually ensuring the OS  
> flushes
> it's buffers to disk.  DIGY suggested using the kernel32 method
> FlushFileBuffers, and after investigation he was correct!   
> FileStream.Flush
> doesn't do that - the OS could still be caching it.
>>
>> --
>> This message is automatically generated by JIRA.
>> -
>> You can reply to this email to add a comment to the issue online.
>>
>>
>

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