Commit graph

54 commits

Author SHA1 Message Date
rtm
b41b38d0da give each cpu its own clock, so that preemption works on cpu 1 2006-07-11 18:45:27 +00:00
rtm
b548df152b pre-empt both user and kernel, in clock interrupt
usertest.c tests pre-emption
kill()
2006-07-11 17:39:45 +00:00
rtm
8b4e2a08fe swtch saves callee-saved registers
swtch idles on per-CPU stack, not on calling process's stack
fix pipe bugs
usertest.c tests pipes, fork, exit, close
2006-07-01 21:26:01 +00:00
rtm
c41f1de5d4 file descriptors
pipes
2006-06-27 14:35:53 +00:00