bitbake: server/process: Fix ConnectionRefusedError tracebacks

Improve connetion refused error handling:

NOTE: Retrying server connection...
NOTE: Reconnecting to bitbake server...
NOTE: Retrying server connection... (Traceback (most recent call last):
  File "/home/pokybuild/yocto-worker/oe-selftest-opensuse/build/bitbake/lib/bb/server/process.py", line 471, in connectProcessServer
    sock.connect(os.path.basename(sockname))
ConnectionRefusedError: [Errno 111] Connection refused

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/pokybuild/yocto-worker/oe-selftest-opensuse/build/bitbake/lib/bb/main.py", line 464, in setup_bitbake
    server_connection = bb.server.process.connectProcessServer(sockname, featureset)
  File "/home/pokybuild/yocto-worker/oe-selftest-opensuse/build/bitbake/lib/bb/server/process.py", line 502, in connectProcessServer
    os.close(i)
TypeError: an integer is required (got type NoneType)
)
WARNING: /home/pokybuild/yocto-worker/oe-selftest-opensuse/build/bitbake/lib/bb/main.py:481: ResourceWarning: unclosed <socket.socket fd=14, family=AddressFamily.AF_UNIX, type=SocketKind.SOCK_STREAM, proto=0>
  logger.info("Retrying server connection... (%s)" % traceback.format_exc())

(Bitbake rev: c36803dba4fce8e6b16e437d702116a918ff718b)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 2 insertions, 1 deletions

diff --git a/bitbake/lib/bb/server/process.py b/bitbake/lib/bb/server/process.py
index ed930c61f4..786877bc44 100644
--- a/bitbake/lib/bb/server/process.py
+++ b/bitbake/lib/bb/server/process.py
@@ -489,7 +489,8 @@ def connectProcessServer(sockname, featureset):
             command_chan.close()
         for i in [writefd, readfd1, writefd2]:
             try:
-                os.close(i)
+                if i:
+                    os.close(i)
             except OSError:
                 pass
         sock.close()