Re: [Boost-users] [Filesystem] Locking files

Subject: Re: [Boost-users] [Filesystem] Locking files
From: Rune Lund Olesen (rune.olesen_at_[hidden])
Date: 2010-04-13 05:22:52

I think with rename/move you can accomplish that in a way, however it has
its limitations.

Rune

On Tue, Apr 13, 2010 at 10:46 AM, Frank Meerkötter <frank_at_[hidden]>wrote:

> On 04/13/2010 10:02 AM, Adam Badura wrote:
> >>>    Is it possible to lock a file with Boost.Filesystem to prevent its
> >>> deletion, writing or reading?
> >>>
> >>
> >> Against whom/what do you want to lock the file? On which platform?
> >
> >    Against other processes will suffice I guess. On Windows platform,
> > however using Boost.Filesystem I hope for (at least some) platform
> > independence.
>
> To clarify this. Your application is made up from several processes and
> you want to implement locking between those or do you want to lock
> against completely unrelated processes?
>
> For the first case you can use boost.interprocess for the second case i
> don't see a portable solution as for example POSIX systems are
> implementing advisory locking (as opposed to mandatory locking on
> Windows). On such system you can only have locking between cooperating
> processes which are obeying to a locking protocol.
>
> Frank
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