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, 2 insertions, 2 deletions

diff --git a/tests/shutdown_stress.cpp b/tests/shutdown_stress.cpp
index d7dffe8..27ab1f0 100644
--- a/tests/shutdown_stress.cpp
+++ b/tests/shutdown_stress.cpp
@@ -70,12 +70,12 @@ int XS_TEST_MAIN ()
         for (i = 0; i != THREAD_COUNT; i++) {
             s2 = xs_socket (ctx, XS_SUB);
             assert (s2);
-            threads [i] = xs_thread_create (shutdown_stress_worker, s2);
+            threads [i] = thread_create (shutdown_stress_worker, s2);
             assert (threads [i]);
         }
 
         for (i = 0; i != THREAD_COUNT; i++)
-            xs_thread_join (threads [i]);
+            thread_join (threads [i]);
 
         rc = xs_close (s1);
         assert (rc == 0);