PYTHON-968 - Handle EINTR error

Author: aherlihy

pymongo/network.py

@@ -15,6 +15,7 @@
 """Internal network layer helper methods."""
 
 import datetime
+import errno
 import select
 import struct
 
@@ -138,7 +139,17 @@ def receive_message(sock, operation, request_id):
 def _receive_data_on_socket(sock, length):
  msg = b""
  while length:
- chunk = sock.recv(length)
+ try:
+ chunk = sock.recv(length)
+ except (IOError, OSError) as exc:
+ err = None
+ if hasattr(exc, 'errno'):
+ err = exc.errno
+ elif exc.args:
+ err = exc.args[0]
+ if err == errno.EINTR:
+ continue
+ raise
  if chunk == b"":
  raise AutoReconnect("connection closed")