Sukadev Bhattiprolu wrote:
> From: Sukadev Bhattiprolu <[email protected]>
> Date: Sat, 14 Mar 2009 10:21:07 -0700
> Subject: [PATCH 6/6] Explain reason for task being uncheckpointable
>
> Try to give an useful message on why a task is uncheckpointable.
>
> Signed-off-by: Sukadev Bhattiprolu <[email protected]>
> ---
> checkpoint/checkpoint.c | 13 +++++++++----
> fs/proc/base.c | 19 ++++++++++++++++++-
> include/linux/checkpoint.h | 7 +++++++
> 3 files changed, 34 insertions(+), 5 deletions(-)
>
[...]
> #ifdef CONFIG_CHECKPOINT_RESTART
> +static char *explain_checkpointable(int reason)
> +{
> + char *message;
> +
> + switch(reason) {
> + case CR_CHECKPOINTABLE: message = "1"; break;
> + case CR_DEAD: message = "0 (dead)"; break;
> + case CR_NOT_FROZEN: message = "0 (not frozen)"; break;
Hmmm... so a task cannot test if it itself is checkpointable, because
it will never be frozen and will fail right there before proceeding to
addition (future) tests ?
[...]
Oren.
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