[Qemu-devel] Re: [PATCH] Permit zero-sized qemu_malloc() & friends

[Paolo Bonzini]

On 12/07/2009 10:39 AM, Ian Molton wrote:
> Send what message to the host? If the malloc in the socet reconnect code
> fails, its the code on the host thats going to flag up that malloc failed.

He means to management code.

> > >  and if it does manage to receive the message, you can be almost
> > >  certain that it won't be able to run any GUI operations, send mail,
> > >  etc. to inform the admin.
>
> OTOH, If all it does it log it to a file, theres a fair chance it might
> succeed.

Not necessarily, for example fprintf may fail.  There _may_ be a fair 
chance to succeed if you use write(2) directly, but that's it basically, 
and ENOMEM is always there waiting for you...

Paolo