[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Invalid rtems_id?

Date: Thu, 27 Mar 2008 10:25:47 -0700
From: aaron at frye.com (Aaron J. Grier)
Subject: Invalid rtems_id?

On Thu, Mar 27, 2008 at 04:24:27PM +0100, Thomas D?rfler wrote:
> The C standard guarantees, that an uninitialized global pointer
> variable holds a NULL pointer, which is used as a "invalid"
> placeholder.

are you sure about that?  I was under the assumption that unix (and
other) systems have historically zeroed .bss, but that doing so is not a
requirement.

-- 
  Aaron J. Grier  |   Frye Electronics, Tigard, OR   |  aaron at frye.com

Follow-Ups:
- Invalid rtems_id?
  - From: rsg at alum.mit.edu (Robert S. Grimes)

References:
- Invalid rtems_id?
  - From: Sebastian.Huber at embedded-brains.de (Sebastian Huber)
- Invalid rtems_id?
  - From: joel.sherrill at OARcorp.com (Joel Sherrill)
- Invalid rtems_id?
  - From: joel.sherrill at OARcorp.com (Joel Sherrill)
- Invalid rtems_id?
  - From: Thomas.Doerfler at embedded-brains.de (Thomas Dörfler)

Prev by Date: erc32 wrong compilation flags for initial task with fpu?
Next by Date: erc32 wrong compilation flags for initial task with fpu?
Previous by thread: Invalid rtems_id?
Next by thread: Invalid rtems_id?
Index(es):
- Date
- Thread