Local hello_world example debugging hacks.  REVERTME.

Decreases queue depth, and increases tracing, for local debugging.
Signed-off-by: Matt Benjamin <matt@linuxbox.com>
Local hello_world test debugging hacks.  REVERTME.

Introduces 1s delay, adds prints, for local debugging.
Signed-off-by: Matt Benjamin <matt@linuxbox.com>

Conflicts:
	tests/usr/hello_test/xio_client.c
Add xio_init() calls in hello_world_mt.

Signed-off-by: Matt Benjamin <matt@linuxbox.com>
upon destroy of event loop, the loop pointer is now passed by address

Signed-off-by: Eyal Salomon <esalomon@mellanox.com>
Signed-off-by: Matt Benjamin <matt@linuxbox.com>
Internal one way messages were leaked to the application upon
flush.

Signed-off-by: Eyal Salomon <esalomon@mellanox.com>
Signed-off-by: Matt Benjamin <matt@linuxbox.com>
Add Eyal's hello_world_mt1.

The example is intended to model the threading and
event loop style used by the Ceph Messenger.

Signed-off-by: Matt Benjamin <matt@linuxbox.com>
Call xio_init().

Signed-off-by: Matt Benjamin <matt@linuxbox.com>
Adjust xio_mt_client.c to match Ceph thread contexts.

To be completely consistent, the mt1 example needed to
connect after spawning the portal_worker_thread.

Signed-off-by: Matt Benjamin <matt@linuxbox.com>