pthread.h: Add missing PTHREAD_RWLOCK_INITIALIZER

[Ralf Corsepius]

On 11/12/2012 06:19 PM, Joel Sherrill wrote:
> Hi
>
> Attached is a very simple 1 line patch which adds the
> missing constant PTHREAD_RWLOCK_INITIALIZER and
> makes it have the same value as the other similar
> constants.
>
> OK to commit?

No.

> 2012-11-12  Joel Sherrill <joel.sherrill@oarcorp.com>
>
>      * libc/include/pthread.h: Add PTHREAD_RWLOCK_INITIALIZER.
>

Is it your intention to initialize to -1?

If so, initialization to 0xffffffff would not return -1 on platforms 
with size > 32 bit.

Also, your construct would fail on platforms with sizeof(ptr) < 32bit.

Ralf