Robert Watson a8e93fb7ec In bpf_setf(), protect against races between multiple user threads
attempting to change the BPF filter on a BPF descriptor at the same
time: retrieve the old filter pointer under the same locked region
as setting the new pointer.

MFC after:	3 days
2005-02-28 14:04:09 +00:00
..
2004-10-05 19:28:52 +00:00
2004-06-14 08:17:51 +00:00
2005-01-11 07:08:15 +00:00