[Android] [PATCH] Add missing eventfd syscall for 2.2

[XilasZ]

I'll try, this week end, thanks.

On Thu, Apr 26, 2012 at 4:05 AM, Rafaël Carré <funman at videolan.org> wrote:

> ---
> Does this help?
>
>  vlc-android/jni/Android.mk |    2 +-
>  vlc-android/jni/eventfd.c  |   26 ++++++++++++++++++++++++++
>  2 files changed, 27 insertions(+), 1 deletion(-)
>  create mode 100644 vlc-android/jni/eventfd.c
>
> diff --git a/vlc-android/jni/Android.mk b/vlc-android/jni/Android.mk
> index d9b8ba5..c6642e6 100644
> --- a/vlc-android/jni/Android.mk
> +++ b/vlc-android/jni/Android.mk
> @@ -3,7 +3,7 @@ include $(CLEAR_VARS)
>
>  LOCAL_MODULE    := libvlcjni
>
> -LOCAL_SRC_FILES := libvlcjni.c aout.c thumbnailer.c pthread-condattr.c
> pthread-rwlocks.c
> +LOCAL_SRC_FILES := libvlcjni.c aout.c thumbnailer.c pthread-condattr.c
> pthread-rwlocks.c eventfd.c
>
>  LOCAL_C_INCLUDES := $(VLC_SRC_DIR)/include
>
> diff --git a/vlc-android/jni/eventfd.c b/vlc-android/jni/eventfd.c
> new file mode 100644
> index 0000000..d58d1d2
> --- /dev/null
> +++ b/vlc-android/jni/eventfd.c
> @@ -0,0 +1,26 @@
> +#include <sys/linux-syscalls.h>
> +#include <errno.h>
> +
> +int eventfd(unsigned int initval, int flags)
> +{
> +    int ret;
> +    int syscall_nr = __NR_eventfd2;
> +
> +    asm(
> +    "mov    r0, %[initval]      \n\t"
> +    "mov    r1, %[flags]        \n\t"
> +    "mov    r7, %[nr]           \n\t"
> +    "svc    #0                  \n\t"
> +    "mov    %[ret], r0          \n\t"
> +    : [ret] "=r" (ret)
> +    : [initval] "r" (initval), [flags] "r" (flags), [nr] "r" (syscall_nr)
> +    : "r7"
> +    );
> +
> +    if (ret < 0) {
> +        errno = -ret;
> +        return -1;
> +    }
> +
> +    return ret;
> +}
> --
> 1.7.9.5
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