Re: [PATCH] Improve debug output from ckpt_notify_error()

[Oren Laadan <orenl-RdfvBDnrOixBDgjK7y7TUQ@public.gmane.org>]

Matt Helsley wrote:
>     Make ckpt_debug() report a more useful location than the
>     line of some generic debug/error wrapper.
>     
>     Signed-off-by: Matt Helsley <matthltc-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>

Nice, and pushed to ckpt-v17-dev.

Oren.

> 
> diff --git a/checkpoint/restart.c b/checkpoint/restart.c
> index 3d3d4ed..febc9b7 100644
> --- a/checkpoint/restart.c
> +++ b/checkpoint/restart.c
> @@ -485,13 +485,20 @@ static inline int is_task_active(struct ckpt_ctx *ctx, pid_t pid)
>  	return get_active_pid(ctx) == pid;
>  }
>  
> -static inline void ckpt_notify_error(struct ckpt_ctx *ctx)
> +static inline void _ckpt_notify_error(struct ckpt_ctx *ctx)
>  {
> -	ckpt_debug("ctx with root pid %d (%p)", ctx->root_pid, ctx);
>  	ckpt_set_ctx_error(ctx);
>  	complete(&ctx->complete);
>  }
>  
> +/* Need to call ckpt_debug such that it will get the correct source location */
> +#define ckpt_notify_error(ctx) \
> +do { \
> +	ckpt_debug("ctx with root pid %d (%p)", ctx->root_pid, ctx); \
> +	_ckpt_notify_error(ctx); \
> +} while(0)
> +
> +
>  int ckpt_activate_next(struct ckpt_ctx *ctx)
>  {
>  	struct task_struct *task;
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