Nuke retry_on_signal, pointless on modern Py3

Additionally, other bits of code that retry EINTR can similarly just go
away.

1 files changed, 0 insertions, 34 deletions

diff --git a/tests/test_util.py b/tests/test_util.py
index 1c276f8d..ec03846b 100644
--- a/tests/test_util.py
+++ b/tests/test_util.py
@@ -21,7 +21,6 @@ Some unit tests for utility functions.
 """
 
 from binascii import hexlify
-import errno
 import os
 from hashlib import sha1
 import unittest
@@ -108,39 +107,6 @@ class UtilTest(unittest.TestCase):
         finally:
             os.unlink("hostfile.temp")
 
-    def test_eintr_retry(self):
-        assert "foo" == paramiko.util.retry_on_signal(lambda: "foo")
-
-        # Variables that are set by raises_intr
-        intr_errors_remaining = [3]
-        call_count = [0]
-
-        def raises_intr():
-            call_count[0] += 1
-            if intr_errors_remaining[0] > 0:
-                intr_errors_remaining[0] -= 1
-                raise IOError(errno.EINTR, "file", "interrupted system call")
-
-        self.assertTrue(paramiko.util.retry_on_signal(raises_intr) is None)
-        assert 0 == intr_errors_remaining[0]
-        assert 4 == call_count[0]
-
-        def raises_ioerror_not_eintr():
-            raise IOError(errno.ENOENT, "file", "file not found")
-
-        self.assertRaises(
-            IOError,
-            lambda: paramiko.util.retry_on_signal(raises_ioerror_not_eintr),
-        )
-
-        def raises_other_exception():
-            raise AssertionError("foo")
-
-        self.assertRaises(
-            AssertionError,
-            lambda: paramiko.util.retry_on_signal(raises_other_exception),
-        )
-
     def test_clamp_value(self):
         assert 32768 == paramiko.util.clamp_value(32767, 32768, 32769)
         assert 32767 == paramiko.util.clamp_value(32767, 32765, 32769)