5 files changed, 10 insertions, 5 deletions
diff --git a/Lib/asyncio/base_events.py b/Lib/asyncio/base_events.py
index 3a42b10cb1b..99d503fe1f1 100644
--- a/Lib/asyncio/base_events.py
+++ b/Lib/asyncio/base_events.py
@@ -54,6 +54,12 @@ _MIN_SCHEDULED_TIMER_HANDLES = 100
 # before cleanup of cancelled handles is performed.
 _MIN_CANCELLED_TIMER_HANDLES_FRACTION = 0.5
 
+# Exceptions which must not call the exception handler in fatal error
+# methods (_fatal_error())
+_FATAL_ERROR_IGNORE = (BrokenPipeError,
+                       ConnectionResetError, ConnectionAbortedError)
+
+
 def _format_handle(handle):
     cb = handle._callback
     if inspect.ismethod(cb) and isinstance(cb.__self__, tasks.Task):
diff --git a/Lib/asyncio/proactor_events.py b/Lib/asyncio/proactor_events.py
index 2671a94d55a..db16fe21b22 100644
--- a/Lib/asyncio/proactor_events.py
+++ b/Lib/asyncio/proactor_events.py
@@ -91,7 +91,7 @@ class _ProactorBasePipeTransport(transports._FlowControlMixin,
                 self.close()
 
     def _fatal_error(self, exc, message='Fatal error on pipe transport'):
-        if isinstance(exc, (BrokenPipeError, ConnectionResetError)):
+        if isinstance(exc, base_events._FATAL_ERROR_IGNORE):
             if self._loop.get_debug():
                 logger.debug("%r: %s", self, message, exc_info=True)
         else:
diff --git a/Lib/asyncio/selector_events.py b/Lib/asyncio/selector_events.py
index cbb36250c96..3dba4fb36ae 100644
--- a/Lib/asyncio/selector_events.py
+++ b/Lib/asyncio/selector_events.py
@@ -579,8 +579,7 @@ class _SelectorTransport(transports._FlowControlMixin,
 
     def _fatal_error(self, exc, message='Fatal error on transport'):
         # Should be called from exception handler only.
-        if isinstance(exc, (BrokenPipeError,
-                            ConnectionResetError, ConnectionAbortedError)):
+        if isinstance(exc, base_events._FATAL_ERROR_IGNORE):
             if self._loop.get_debug():
                 logger.debug("%r: %s", self, message, exc_info=True)
         else:
diff --git a/Lib/asyncio/sslproto.py b/Lib/asyncio/sslproto.py
index 1cea850475d..9262860335e 100644
--- a/Lib/asyncio/sslproto.py
+++ b/Lib/asyncio/sslproto.py
@@ -656,7 +656,7 @@ class SSLProtocol(protocols.Protocol):
 
     def _fatal_error(self, exc, message='Fatal error on transport'):
         # Should be called from exception handler only.
-        if isinstance(exc, (BrokenPipeError, ConnectionResetError)):
+        if isinstance(exc, base_events._FATAL_ERROR_IGNORE):
             if self._loop.get_debug():
                 logger.debug("%r: %s", self, message, exc_info=True)
         else:
diff --git a/Lib/asyncio/unix_events.py b/Lib/asyncio/unix_events.py
index 2beba3e3abc..aad1068f554 100644
--- a/Lib/asyncio/unix_events.py
+++ b/Lib/asyncio/unix_events.py
@@ -577,7 +577,7 @@ class _UnixWritePipeTransport(transports._FlowControlMixin,
 
     def _fatal_error(self, exc, message='Fatal error on pipe transport'):
         # should be called by exception handler only
-        if isinstance(exc, (BrokenPipeError, ConnectionResetError)):
+        if isinstance(exc, base_events._FATAL_ERROR_IGNORE):
             if self._loop.get_debug():
                 logger.debug("%r: %s", self, message, exc_info=True)
         else: