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Re: Printf and diag_printf

From: Andrew Lunn <andrew at lunn dot ch>
To: sandeep <shimple0 at yahoo dot com>
Cc: Michele Portolan <michele dot Portolan at imag dot fr>,ecos-discuss at sources dot redhat dot com
Date: Mon, 22 Nov 2004 17:15:49 +0100
Subject: Re: [ECOS] Printf and diag_printf
References: <072501c4d0a6$9e7a9a00$4881ab93@TIMAQLF129> <20041122152453.GP2180@lunn.ch> <41A20BCB.3090407@yahoo.com>

On Mon, Nov 22, 2004 at 09:24:51PM +0530, sandeep wrote:
> >diag_printf() is none realtime. It disables interrupts while doing its
> >printing. So if you have a low priority function doing a diag_printf
> are you talking of diag_printf in packages/infra/current/src/diag.cxx ??
> but that doesn't disable interrupts while doing printing.
> there must be something i am missing.

hal/commen/current/src/hal_if.c:cyg_hal_diag_mangler_gdb_flush().

Disables interrupts before pushing output down to redboot and
reenables them afterwards.

        Andrew

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References:
- Printf and diag_printf
  - From: Michele Portolan
- Re: Printf and diag_printf
  - From: Andrew Lunn
- Re: Printf and diag_printf
  - From: sandeep

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