csjp 2006-07-03 20:02:06 UTC
FreeBSD src repository
Modified files:
sys/net bpf.c
Log:
Adjust descriptor locking to tell the kqueue subsystem that our descriptor is
already locked. The reason to do this is to avoid two lock+unlock operations
in a row. We need the lock here to serialize access to bd_pid for stats
collection purposes.
Drop the locks all together on detach, as they will be picked up by
knlist_remove.
This should fix a failed locking assertion when kqueue is being used with bpf
descriptors.
Discussed with: jmg
Revision Changes Path
1.169 +1 -3 src/sys/net/bpf.c
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