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

[Adrien Tétar]

It works for me (r7c).
Adrien Tétar

________________________________
> Date: Thu, 26 Apr 2012 10:27:15 +0200 
> From: xilasz at gmail.com 
> To: android at videolan.org 
> Subject: Re: [Android] [PATCH] Add missing eventfd syscall for 2.2 
>  
> I'll try, this week end, thanks. 
>  
> On Thu, Apr 26, 2012 at 4:05 AM, Rafaël Carré  
> <funman at videolan.org<mailto: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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