[oe-commits] [bitbake] 06/07: process: Don't leak open pipes upon reconnection

[git at git.openembedded.org]

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rpurdie pushed a commit to branch master-next
in repository bitbake.

commit 0edceea8b3b9ff9df6b1d14e89a0c8e127dd1121
Author: Richard Purdie <richard.purdie at linuxfoundation.org>
AuthorDate: Fri Jul 28 15:42:50 2017 +0100

    process: Don't leak open pipes upon reconnection
    
    If we reconnect to the server, stop leaking pipes and clean up
    after ourselves.
    
    Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
---
 lib/bb/server/process.py | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/lib/bb/server/process.py b/lib/bb/server/process.py
index b9bde46..e2db480 100644
--- a/lib/bb/server/process.py
+++ b/lib/bb/server/process.py
@@ -420,7 +420,11 @@ def connectProcessServer(sockname, featureset):
     finally:
         os.chdir(cwd)
 
+    readfd = writefd = readfd1 = writefd1 = readfd2 = writefd2 = None
+    eq = command_chan_recv = command_chan = None
+
     try:
+
         # Send an fd for the remote to write events to
         readfd, writefd = os.pipe()
         eq = BBUIEventQueue(readfd)
@@ -435,9 +439,22 @@ def connectProcessServer(sockname, featureset):
 
         server_connection = BitBakeProcessServerConnection(command_chan, command_chan_recv, eq, sock)
 
+        # Close the ends of the pipes we won't use
+        for i in [writefd, readfd1, writefd2]:
+            os.close(i)
+
         server_connection.connection.updateFeatureSet(featureset)
 
-    except:
+    except (Exception, SystemExit) as e:
+        if command_chan_recv:
+            command_chan_recv.close()
+        if command_chan:
+            command_chan.close()
+        for i in [writefd, readfd1, writefd2]:
+            try:
+                os.close(i)
+            except OSError:
+                pass
         sock.close()
         raise
 

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