fix nasty bug that can cause memory corruption:
cannot use M_WAITOK in in_pcballoc calls for incoming TCP connection requests;
current kmem_malloc code can remap CMAP area, reentering clearseg or
phy

fix nasty bug that can cause memory corruption:
cannot use M_WAITOK in in_pcballoc calls for incoming TCP connection requests;
current kmem_malloc code can remap CMAP area, reentering clearseg or
physcopyseg with nasty effects. Could check SS_NOFDREF and use M_NOWAIT
in that case only, but that seems iffy.

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failure to get a reserved port is EACCES, not EPERM
(from Theo de Raadt <deraadt@fsa.ca>)

lint

4.4BSD snapshot (revision 8.1); add 1993 to copyright

prototype everything

allow multicast addresses to be bound, and treat SO_REUSEADDR
as if it were SO_REUSEPORT when a multicast address is bound;
check current priority when binding reserved port, not that at time
of sock

allow multicast addresses to be bound, and treat SO_REUSEADDR
as if it were SO_REUSEPORT when a multicast address is bound;
check current priority when binding reserved port, not that at time
of socket call

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Mostly changes recommended by jch for variable subnets & multiple
IP addresses per physical interface. May require further work.

avoid assigning used ports in implicit bind in in_pcbbind (net2/sys/15)

(By Sklower) checkpoint the current state of Cherenson's work.

make kernel includes standard

if in_losing notices an RTF_DYNAMIC route, it got freed twice

fix andrew's fix

fixes from andrew cherenson for multicast

multicast changes from lbl

if you have markedly different interface addresses on the same iface,
use the one chosen in the route when in_pcbconnect()ing. (By Dennis Ferguson)

proc.h not necessary

new conventions for rt_missmsg

for the time being, must redundantly include errno.h to share with oldvm

use SS_PRIV instead of suser; fix includes (rm user.h)

new copyright notice

protocol notify routines set errors, so can be soft

new ctlinput, matches local port/addr when appropriate

get rid of unneeded include of dir.h

checkpoint at first working tp4 connection; & before gnodes

mark state of kernel before variable length sockaddrs (by sklower).