19 years ago rsc
more debugging
Get rid of 9proc.
20 years ago rsc
add RFNOWAIT. this was probably a bad idea.
No more malloc or lock inside signal handlers.
Add support for user-level 9P servers/clients and various bug fixes to go with them.
allow rfork(RFNOTEG|RFPROC|RFFDG) for rc.
Annoying changes to work on Sun boxes.
Various additions and fixes.
