Add process return code
NewbiZ opened this issue · comments
Should be part of a broader "Define xv6 ABI" milestone.
Best plan would be to copy SYSV SVR4.
https://refspecs.linuxbase.org/elf/abi386-4.pdf
wait
and waitpid
should be modified accordingly, along with the necessary stuff in struct proc
. At last we should be able to return
from main without exit()
ing!