[ltt-dev] [UST PATCH] Fix variable declaration of the clock source v2

[Mathieu Desnoyers]

* David Goulet (david.goulet at polymtl.ca) wrote:
> The ust_clock_source was static in clock.h header file.
> Thus, tracectl.c was not able to modify that variable for
> the trace clock read function. Bad timestamp was always
> returned if CLOCK_TRACE was not available.
> 
> v2:
> 	Comment by Mathieu Desnoyers, set clock source variable
> 	to extern in clock.h

Acked-by: Mathieu Desnoyers <mathieu.desnoyers at efficios.com>

> 
> Signed-off-by: David Goulet <david.goulet at polymtl.ca>
> ---
>  include/ust/clock.h |    2 +-
>  libust/tracectl.c   |    2 ++
>  2 files changed, 3 insertions(+), 1 deletions(-)
> 
> diff --git a/include/ust/clock.h b/include/ust/clock.h
> index ac0a2d5..04785fc 100644
> --- a/include/ust/clock.h
> +++ b/include/ust/clock.h
> @@ -49,7 +49,7 @@ union lttng_timespec {
>  };
>  #endif /* __i386__ || __x86_64__ */
>  
> -static int ust_clock_source;
> +extern int ust_clock_source;
>  
>  /* Choosing correct trace clock */
>  #if __PPC__
> diff --git a/libust/tracectl.c b/libust/tracectl.c
> index 4f016bb..b73fa7c 100644
> --- a/libust/tracectl.c
> +++ b/libust/tracectl.c
> @@ -74,6 +74,8 @@ static struct cds_list_head ust_socks = CDS_LIST_HEAD_INIT(ust_socks);
>  /* volatile because shared between the listener and the main thread */
>  int buffers_to_export = 0;
>  
> +int ust_clock_source;
> +
>  static long long make_pidunique(void)
>  {
>  	s64 retval;
> -- 
> 1.7.3.5
> 
> 
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> 

-- 
Mathieu Desnoyers
Operating System Efficiency R&D Consultant
EfficiOS Inc.
http://www.efficios.com