pthread_create() blocks if maxthreads reached?

[Petri Helenius]

Julian Elischer wrote:

> Your threads are all waiting in the kernel.
>
>If you used a blocked semaphore or some other non-kernel
>method of blocking then you would discover that you could do more
>or you could allow more threads to enter the kernel at a time
>but that would be a poor use of resources.. it is much more
>  
>
Are you saying that using poll() and serving descriptors sequentially is 
significantly
more resource-effective than creating thread blocked on read for each fd?

Pete