Re: [Xen-devel] [PATCH 2/3] libxl: fd events: Break out fd_occurs

[Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>]

On Thu, Apr 16, 2015 at 07:23:27PM +0100, Ian Jackson wrote:
> No functional change, only code motion.
> 
> Currently, contrary to this function's name, there are two sites where
> efd->func() is called so one of them doesn't go through here just yet.
> That will be dealt with in the next commit.

s/next commit/"libxl: fd events: Suppress spurious fd events"/

> 
> Signed-off-by: Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>
> CC: Jim Fehlig <jfehlig@xxxxxxxx>
> CC: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
> ---
>  tools/libxl/libxl_event.c |   13 +++++++++----
>  1 file changed, 9 insertions(+), 4 deletions(-)
> 
> diff --git a/tools/libxl/libxl_event.c b/tools/libxl/libxl_event.c
> index 3efb357..2b2254e 100644
> --- a/tools/libxl/libxl_event.c
> +++ b/tools/libxl/libxl_event.c
> @@ -1121,6 +1121,14 @@ static int afterpoll_check_fd(libxl__poller *poller,
>      return revents;
>  }
>  
> +static void fd_occurs(libxl__egc *egc, libxl__ev_fd *efd, short revents)
> +{
> +    DBG("ev_fd=%p occurs fd=%d events=%x revents=%x",
> +        efd, efd->fd, efd->events, revents);
> +
> +    efd->func(egc, efd, efd->fd, efd->events, revents);
> +}
> +
>  static void afterpoll_internal(libxl__egc *egc, libxl__poller *poller,
>                                 int nfds, const struct pollfd *fds,
>                                 struct timeval now)
> @@ -1183,10 +1191,7 @@ static void afterpoll_internal(libxl__egc *egc, 
> libxl__poller *poller,
>          break;
>  
>      found_fd_event:
> -        DBG("ev_fd=%p occurs fd=%d events=%x revents=%x",
> -            efd, efd->fd, efd->events, revents);
> -
> -        efd->func(egc, efd, efd->fd, efd->events, revents);
> +        fd_occurs(egc, efd, revents);
>      }
>  
>      if (afterpoll_check_fd(poller,fds,nfds, poller->wakeup_pipe[0],POLLIN)) {
> -- 
> 1.7.10.4
> 

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