[PATCH 1/3] Move __atexit_lock definition

[Jeff Johnston]

Patch checked in.

-- Jeff J.

On 05/04/2013 10:11 AM, Sebastian Huber wrote:
> Interchange declaration and definition of __atexit_lock.  If someone
> calls exit() there is no need to pull in atexit().  If someone calls
> atexit() he expects that someone also uses exit() to invoke the
> registered handler.
>
> newlib/ChangeLog
> 2013-05-04  Sebastian Huber <sebastian.huber@embedded-brains.de>
>
> 	* libc/stdlib/__atexit.c (__atexit_lock): Declare.
> 	* libc/stdlib/__call_atexit.c (__atexit_lock): Define.
> ---
>   newlib/libc/stdlib/__atexit.c      |    5 ++++-
>   newlib/libc/stdlib/__call_atexit.c |    4 +---
>   2 files changed, 5 insertions(+), 4 deletions(-)
>
> diff --git a/newlib/libc/stdlib/__atexit.c b/newlib/libc/stdlib/__atexit.c
> index 4687d00..1caf2e5 100644
> --- a/newlib/libc/stdlib/__atexit.c
> +++ b/newlib/libc/stdlib/__atexit.c
> @@ -10,7 +10,10 @@
>
>   /* Make this a weak reference to avoid pulling in malloc.  */
>   void * malloc(size_t) _ATTRIBUTE((__weak__));
> -__LOCK_INIT_RECURSIVE(, __atexit_lock);
> +
> +#ifndef __SINGLE_THREAD__
> +extern _LOCK_RECURSIVE_T __atexit_lock;
> +#endif
>
>   /*
>    * Register a function to be performed at exit or on shared library unload.
> diff --git a/newlib/libc/stdlib/__call_atexit.c b/newlib/libc/stdlib/__call_atexit.c
> index 4c45063..a21dd57 100644
> --- a/newlib/libc/stdlib/__call_atexit.c
> +++ b/newlib/libc/stdlib/__call_atexit.c
> @@ -11,9 +11,7 @@
>   /* Make this a weak reference to avoid pulling in free.  */
>   void free(void *) _ATTRIBUTE((__weak__));
>
> -#ifndef __SINGLE_THREAD__
> -extern _LOCK_RECURSIVE_T __atexit_lock;
> -#endif
> +__LOCK_INIT_RECURSIVE(, __atexit_lock);
>
>   #ifdef _WANT_REGISTER_FINI
>
>