* Fw: [Bug 198571] New: [af_netlink]missing wakeup while closing af_netlink socket
@ 2018-01-24 15:49 Stephen Hemminger
0 siblings, 0 replies; only message in thread
From: Stephen Hemminger @ 2018-01-24 15:49 UTC (permalink / raw)
To: netdev
Forwarding this to netdev because group may have different opinions.
IMHO netlink is a multicast communication mechanism and therefore not it does
not have the close semantics of other connection oriented protocols.
Therefore this is not a bug.
Begin forwarded message:
Date: Wed, 24 Jan 2018 12:20:00 +0000
From: bugzilla-daemon@bugzilla.kernel.org
To: stephen@networkplumber.org
Subject: [Bug 198571] New: [af_netlink]missing wakeup while closing af_netlink socket
https://bugzilla.kernel.org/show_bug.cgi?id=198571
Bug ID: 198571
Summary: [af_netlink]missing wakeup while closing af_netlink
socket
Product: Networking
Version: 2.5
Kernel Version: 2.6.32
Hardware: All
OS: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Other
Assignee: stephen@networkplumber.org
Reporter: yushouhua@sina.com
Regression: No
In a multithread program, thread A wait for a message from a af_netlink socket
with the interface select first. Then thread B calls close to this socket. In
this situation, thread A would not be woken up forever. This problem may be
caused by missing call to the funtion release_sock to the socket in the funthon
netlink_release. Can anyone fix this problem?
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