[vlc-devel] [PATCH] Android: remove polling timer in mwait() and msleep()

[Rémi Denis-Courmont]

Le mardi 16 octobre 2012 18:24:37, Rémi Denis-Courmont a écrit :
> ---
>  src/android/thread.c |   37 ++++++++++++++-----------------------
>  1 file changed, 14 insertions(+), 23 deletions(-)
> 
> diff --git a/src/android/thread.c b/src/android/thread.c
> index 10380cb..c021af6 100644
> --- a/src/android/thread.c
> +++ b/src/android/thread.c
> @@ -494,34 +494,25 @@ mtime_t mdate (void)
>  #undef mwait
>  void mwait (mtime_t deadline)
>  {
> -    deadline -= mdate ();
> -    if (deadline > 0)
> -        msleep (deadline);
> +    vlc_mutex_t lock;
> +    vlc_cond_t wait;
> +
> +    vlc_mutex_init (&lock);
> +    vlc_cond_init (&wait);
> +
> +    vlc_mutex_lock (&lock);
> +    mutex_cleanup_push (&lock);
> +    while (!vlc_cond_timedwait (&wait, &lock, deadline));
> +    vlc_cleanup_run ();
> +
> +    vlc_cond_destroy (&wait);
> +    vlc_mutex_destroy (&lock);

Strictly speaking the mutex and condition variable are leaked upon 
cancellation, though.

-- 
Rémi Denis-Courmont
http://www.remlab.net/