[lttng-dev] [PATCH lttng-ust] Add 'unused' attribute to tracepoint callback

[Mathieu Desnoyers]

Merged, thanks!

Mathieu

----- Original Message -----
> From: "Zifei Tong" <zifeitong at gmail.com>
> To: "mathieu desnoyers" <mathieu.desnoyers at efficios.com>
> Cc: lttng-dev at lists.lttng.org, "Zifei Tong" <zifeitong at gmail.com>
> Sent: Friday, March 14, 2014 9:23:21 AM
> Subject: [PATCH lttng-ust] Add 'unused' attribute to tracepoint callback
> 
> Compiling tracepoint provider with clang generates 'Wunused-function'
> warnings. Add 'unused' attribute to silence these warnings.
> 
> Fixes #760
> 
> Signed-off-by: Zifei Tong <zifeitong at gmail.com>
> ---
>  include/lttng/tracepoint.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/include/lttng/tracepoint.h b/include/lttng/tracepoint.h
> index 66e2abd..c5a09d8 100644
> --- a/include/lttng/tracepoint.h
> +++ b/include/lttng/tracepoint.h
> @@ -152,7 +152,7 @@ extern "C" {
>   */
>  #define _DECLARE_TRACEPOINT(_provider, _name, ...)			 		\
>  extern struct tracepoint __tracepoint_##_provider##___##_name;				\
> -static inline __attribute__((always_inline)) lttng_ust_notrace				\
> +static inline __attribute__((always_inline, unused)) lttng_ust_notrace			\
>  void __tracepoint_cb_##_provider##___##_name(_TP_ARGS_PROTO(__VA_ARGS__));
>  		\
>  static											\
>  void __tracepoint_cb_##_provider##___##_name(_TP_ARGS_PROTO(__VA_ARGS__))		\
> --
> 1.9.0
> 
> 

-- 
Mathieu Desnoyers
EfficiOS Inc.
http://www.efficios.com