Re: [Qemu-devel] [PATCH] readconfig: add emulation of /dev/fd/ to platforms that that lacks this API

[Anthony Liguori]

On 03/03/2012 01:49 AM, Ronnie Sahlberg wrote:
> Please find a patch to -readconfig.
>
> On many platforms -readconfig /dev/fd/<n>  can be used to read from an already opened 
> and inherited filedescriptor<n>.
>
> On platforms that do not natively provide /dev/fd/<n>

What platforms don't provide /dev/fd/<n> where fd passing makes sense?

Regards,

Anthony Liguori

> add emulation of this by checking if the ofiginal fopen(path) failed, then IF
> the path starts with /dev/fd/ then try to read the descriptorvalue and fdopen() 
> it.
>
>
> It means that we can use -readconfig /dev/fd/<n>  on all platforms. On those 
> that provide a /dev/fd we just open that file. On those that do not we emulate it.
>
>
> regards
> ronnie sahlberg