Use support.sleeping_retry() and support.busy_retry() (#93848)

* Replace time.sleep(0.010) with sleeping_retry() to
  use an exponential sleep.
* support.wait_process(): reuse sleeping_retry().
* _test_eintr: remove unused variables.

1 files changed, 7 insertions, 6 deletions

diff --git a/Lib/test/test_logging.py b/Lib/test/test_logging.py
index 4954557..d43742e 100644
--- a/Lib/test/test_logging.py
+++ b/Lib/test/test_logging.py
@@ -3602,7 +3602,6 @@ class ConfigDictTest(BaseTest):
         if lspec is not None:
             cd['handlers']['ah']['listener'] = lspec
         qh = None
-        delay = 0.01
         try:
             self.apply_config(cd)
             qh = logging.getHandlerByName('ah')
@@ -3612,12 +3611,14 @@ class ConfigDictTest(BaseTest):
             logging.debug('foo')
             logging.info('bar')
             logging.warning('baz')
+
             # Need to let the listener thread finish its work
-            deadline = time.monotonic() + support.LONG_TIMEOUT
-            while not qh.listener.queue.empty():
-                time.sleep(delay)
-                if time.monotonic() > deadline:
-                    self.fail("queue not empty")
+            while support.sleeping_retry(support.LONG_TIMEOUT, error=False):
+                if qh.listener.queue.empty():
+                    break
+            else:
+                self.fail("queue not empty")
+
             with open(fn, encoding='utf-8') as f:
                 data = f.read().splitlines()
             self.assertEqual(data, ['foo', 'bar', 'baz'])