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zmq_disconnect and zmq_unbind may make pipes linger indefinitely

Description

When using unbind/disconnect with tcp endpoints where there are outstanding outgoing messages, the pipes on the sockets may linger indefinitely regardless of the ZMQ_LINGER setting.

Test case is attached. With the unbind call:

1 2 ERROR: can still receive on B: ABC ERROR: can still receive on B: DEF

With the disconnect call:

1 2 ERROR: can still send on A ERROR: can still receive on B: ABC

The differences are probably not due to unbind/disconnect but rather due to which side has outstanding messages in which pipe.

Environment

Ubuntu 12.10, x64

Status

Assignee

Unassigned

Reporter

Christian Kamm

Components

Affects versions

4.0.0

Priority

Minor