[Beignet] [PATCH 1/5] remove dollar sign in identifier

[Zhigang Gong]

Applied this patchset. Thx.

But just as Boqun pointed out, Use clang to build will trigger some
warnings. Still need some effort to fix those warnings.

On Tue, Apr 16, 2013 at 02:38:45PM +0800, Lu Guanqun wrote:
> Therefore it removes compiler warnings.
> 
> Signed-off-by: Lu Guanqun <guanqun.lu at intel.com>
> ---
>  backend/src/sys/mutex.hpp |   10 +++++-----
>  1 files changed, 5 insertions(+), 5 deletions(-)
> 
> diff --git a/backend/src/sys/mutex.hpp b/backend/src/sys/mutex.hpp
> index c8e3f2f..1a462b0 100644
> --- a/backend/src/sys/mutex.hpp
> +++ b/backend/src/sys/mutex.hpp
> @@ -42,17 +42,17 @@ namespace gbe
>    /*! active mutex */
>    class MutexActive {
>    public:
> -    INLINE MutexActive(void) : $lock(LOCK_IS_FREE) {}
> +    INLINE MutexActive(void) : _lock(LOCK_IS_FREE) {}
>      INLINE void lock(void) {
>        GBE_COMPILER_READ_BARRIER;
> -      while (cmpxchg($lock, LOCK_IS_TAKEN, LOCK_IS_FREE) != LOCK_IS_FREE)
> +      while (cmpxchg(_lock, LOCK_IS_TAKEN, LOCK_IS_FREE) != LOCK_IS_FREE)
>          _mm_pause();
>        GBE_COMPILER_READ_BARRIER;
>      }
> -    INLINE void unlock(void) { $lock.storeRelease(LOCK_IS_FREE); }
> +    INLINE void unlock(void) { _lock.storeRelease(LOCK_IS_FREE); }
>    protected:
> -    enum ${ LOCK_IS_FREE = 0, LOCK_IS_TAKEN = 1 };
> -    Atomic $lock;
> +    enum { LOCK_IS_FREE = 0, LOCK_IS_TAKEN = 1 };
> +    Atomic _lock;
>      MutexActive(const MutexActive&); // don't implement
>      MutexActive& operator=(const MutexActive&); // don't implement
>      GBE_CLASS(MutexActive);
> 
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