This is the mail archive of the ecos-discuss@sources.redhat.com mailing list for the eCos project.

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]
Other format:	[Raw text]

Re: Tasks and Cpu facilities ...

From: Andrew Lunn <andrew dot lunn at ascom dot ch>
To: Matthieu dot GIRARDIN at fr dot thalesgroup dot com
Cc: ecos-discuss at sources dot redhat dot com
Date: Mon, 7 Jul 2003 15:34:41 +0200
Subject: Re: [ECOS] Tasks and Cpu facilities ...
References: <D96E2AFA0DF3D211B13900902745494805DC2A16@helios.gnv.tcc.thomson-csf.com>

On Mon, Jul 07, 2003 at 03:34:26PM +0200, Matthieu.GIRARDIN@fr.thalesgroup.com wrote:
> Hi everybody !
> 
> Just a little question on threads.
> At the creation of a new task,  is this task in a supervisor mode if I can
> tell it like that ?
> In fact do this task (or associated thread) have access to all system calls
> ?
> 
> I'm thinking for exemple to the Psos System which can start a task in
> supervisor mode or
> in normal mode ( a limited access to some cpu directives ).
> 
> Finally, my question would be too : does eCos limit task (or thread) access
> to some cpu facilities ?

Everything runs in supervisor mode. Any thread can do anything it
wants.

        Andrew

-- 
Before posting, please read the FAQ: http://sources.redhat.com/fom/ecos
and search the list archive: http://sources.redhat.com/ml/ecos-discuss

References:
- Tasks and Cpu facilities ...
  - From: Matthieu . GIRARDIN

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]