Introduction of subscription forwarding have broken throughput tests.
This patch changes the pattern used in the tests to PUSH/PULL.
Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
send/recv now complies with POSIX by using raw buffers instead
of message objects and by returning number of bytes sent/recvd
instead of 0/-1.
The return value is changed accordingly for sendmsg and recvmsg.
Note that related man pages will be fixed in a separate patch.
Signed-off-by: Martin Sustrik <sustrik@250bpm.com>