[DTrace-devel] [PATCH 17/38] Add a provider-specific probe_add_clause handle

[Kris Van Hees]

See comments for 16/38

On Thu, Jun 27, 2024 at 01:34:34AM -0400, eugene.loh at oracle.com wrote:
> From: Eugene Loh <eugene.loh at oracle.com>
> 
> Signed-off-by: Eugene Loh <eugene.loh at oracle.com>
> ---
>  libdtrace/dt_probe.c    | 2 ++
>  libdtrace/dt_provider.h | 3 +++
>  2 files changed, 5 insertions(+)
> 
> diff --git a/libdtrace/dt_probe.c b/libdtrace/dt_probe.c
> index d0ae63d1..48b02e11 100644
> --- a/libdtrace/dt_probe.c
> +++ b/libdtrace/dt_probe.c
> @@ -1354,6 +1354,8 @@ dt_probe_add_clause(dtrace_hdl_t *dtp, dt_probe_t *prp, dt_ident_t *idp)
>  		pcp->clause = idp;
>  
>  	dt_list_append(&prp->clauses, pcp);
> +	if (prp->prov->impl->probe_add_clause)
> +		return prp->prov->impl->probe_add_clause(dtp, prp, idp);
>  
>  	return 0;
>  }
> diff --git a/libdtrace/dt_provider.h b/libdtrace/dt_provider.h
> index 17b1844c..b1b1b1b8 100644
> --- a/libdtrace/dt_provider.h
> +++ b/libdtrace/dt_provider.h
> @@ -62,6 +62,9 @@ typedef struct dt_provimpl {
>  	int (*probe_info)(dtrace_hdl_t *dtp,	/* get probe info */
>  			  const struct dt_probe *prp,
>  			  int *argcp, dt_argdesc_t **argvp);
> +	int (*probe_add_clause)(dtrace_hdl_t *dtp, /* add clause to probe */
> +				struct dt_probe *prp,
> +				dt_ident_t *idp);
>  	void (*detach)(dtrace_hdl_t *dtp,	/* probe cleanup */
>  		       const struct dt_probe *prb);
>  	void (*probe_destroy)(dtrace_hdl_t *dtp, /* free probe data */
> -- 
> 2.18.4
>