Qt 4.4 QtConcurrent and libthread_xu

[Aggelos Economopoulos]

On Wednesday 07 May 2008, Matthew Dillon wrote:
[...]
>     In libthread_xu it assumes non-NULL and will crash.
> 
>     Try this patch.  It will do the same check that libc_r does.  I'm
>     not convinced that Qt isn't broken, though, Qt shouldn't be passing
>     NULL to the mutex functions, it should be passing the address of
>     a pthread_mutex_t which itself can be NULL, but it should be passing
>     NULL.

Still, it's bad form for a library function to crash just because somebody
called it with an obviously invalid argument.

Aggelos