Marco Spinetti wrote:
> Is no blocking IO (using select) supported by apr?

instead of select, use apr_poll()

> Can you give  me some advice of the functions where I can see?

to make a socket non-blocking:

use apr_socket_option_set() with option APR_SO_NONBLOCK
or apr_socket_timeout_set() with timeout 0

to make a pipe non-blocking:

use apr_pipe_timeout_set() with timeout 0

polling on sockets is portable to all APR platforms

polling on pipes does not work on Windows