Re: [uml-devel] Re: [RFC] PATCH 3/4 - Time virtualization : PTRACE_SYSCALL_MASK

[Blaisorblade <blaisorblade@yahoo.it>]

On Friday 21 April 2006 20:16, Blaisorblade wrote:
> On Thursday 20 April 2006 11:05, Heiko Carstens wrote:

> The flags could be:
>
> MASK_DEFAULT_TRACE (set the default to 1 for remaining bits)
> MASK_DEFAULT_IGNORE (set the default to 0 for remaining bits)
> MASK_STRICT_VERIFY (return -EINVAL for bits exceeding NR_syscalls and set
> differently than the default).

Actually, for a more elegant API the default should be to check and there 
should be a flag PT_SC_MASK_IGNORE_UNKNOWN_SYSCALL (reworded in some clearer 
way, it doesn't mean to ignore the syscall but the bits - IGNORE should be 
something like "be comprehensive with me when you check". Maybe 
ACCEPT_UNKNOWN_SYSCALL).

> probably with a reasonable prefix to avoid namespace pollution (something
> like "PT_SC_-").

-- 
Inform me of my mistakes, so I can keep imitating Homer Simpson's "Doh!".
Paolo Giarrusso, aka Blaisorblade (Skype ID "PaoloGiarrusso", ICQ 215621894)
http://www.user-mode-linux.org/~blaisorblade

		
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