xs_utils cleanup 1/2 (minimize exported api)

Reduced xs_utils to the minimum functions required (xs_stopwatch_*)
xs_sleep, xs_thread_* are internal to unit tests and have been moved
to testutil.hpp, useless use of xs_sleep in perf/ has been removed.

Signed-off-by: Martin Lucina <martin@lucina.net>

1 files changed, 1 insertions, 1 deletions

diff --git a/tests/sub_forward.cpp b/tests/sub_forward.cpp
index cfff043..6d385de 100644
--- a/tests/sub_forward.cpp
+++ b/tests/sub_forward.cpp
@@ -62,7 +62,7 @@ int XS_TEST_MAIN ()
     assert (rc >= 0);
 
     //  Wait a bit till the subscription gets to the publisher.
-    xs_sleep (1);
+    sleep (1);
 
     //  Send an empty message.
     rc = xs_send (pub, NULL, 0, 0);