[PATCH] malloc: Manual part of conversion to __libc_lock

[Adhemerval Zanella]

LGMT with just one comment:

On 22/08/2016 09:44, Florian Weimer wrote:

> diff --git a/malloc/arena.c b/malloc/arena.c
> index 922ae49..9760483 100644
> --- a/malloc/arena.c
> +++ b/malloc/arena.c
> @@ -73,7 +73,7 @@ static __thread mstate thread_arena attribute_tls_model_ie;
>     members of struct malloc_state objects.  No other locks must be
>     acquired after free_list_lock has been acquired.  */
>  
> -static mutex_t free_list_lock = _LIBC_LOCK_INITIALIZER;
> +__libc_lock_define_initialized (static, free_list_lock);
>  static size_t narenas = 1;
>  static mstate free_list;
>  
> @@ -89,7 +89,7 @@ static mstate free_list;
>     acquired, no arena lock must have been acquired, but it is
>     permitted to acquire arena locks subsequently, while list_lock is
>     acquired.  */
> -static mutex_t list_lock = _LIBC_LOCK_INITIALIZER;
> +__libc_lock_define_initialized (static, list_lock);
>  
>  /* Already initialized? */
>  int __malloc_initialized = -1;
> @@ -112,7 +112,7 @@ int __malloc_initialized = -1;
>  
>  #define arena_lock(ptr, size) do {					      \
>        if (ptr && !arena_is_corrupt (ptr))				      \
> -        __libc_lock_lock (ptr->mutex);				      \
> +        __libc_lock_lock (ptr->mutex);					      \
>        else								      \
>          ptr = arena_get2 ((size), NULL);				      \
>    } while (0)

I would avoid push these kind of indentation changes.