pthread_key_create memory leakage in pthreads?

[Lefteris Tsintjelis]

David Xu wrote:
 >
> The thread library is valgrind's version, the path is 
> /usr/local/lib/valgrind/libpthread.so.1,
> it is not the native FreeBSD thread library.
> 
> David Xu

Yes, thats what it looked in the first place but I had a few doubts
about how can he detect its own leakage.

I know this is probably an off list topic but how can I reliably
detect memory leakages, if any?

Thnx,

Lefteris