rwatson 37654f9d78 Assert the tcbinfo write lock in tcp_new_isn(), as the tcbinfo lock
protects access to the ISN state variables.

Acquire the tcbinfo write lock in tcp_isn_tick() to synchronize
timer-driven isn bumping.

Staticize internal ISN variables since they're not used outside of
tcp_subr.c.

MFC after:	2 weeks
2004-11-23 15:59:43 +00:00
..
2003-10-07 17:46:18 +00:00
2003-10-29 15:07:04 +00:00
2003-10-29 15:07:04 +00:00
2003-08-07 18:17:43 +00:00