[En-Nut-Discussion] Feature Request 1572837: mutex API nesting level info

[Matthias Ringwald]

On 14.07.2008, at 16:52, Alain M. wrote:

> Why not use a Semaphore? I understand that it is basicaly a counter,
> just as needed. I have already used mutexes implemented as semaphores
> with a max count of 1...
>
> Alain

Yepp. But, again, in Nut/OS and Posix, you cannot read-out a  
semaphore. Even more, a semaphore initialized to one cannot be aquired  
a second time, even if its by the same thread. that's why the  
recursive mutex is good for, it allows repeated locking by the  same  
thread.

matthias