jb 7ec6bff6fb Add the hooks for the extra data that DTrace allocates for struct thread
and struct proc.

Add a field to struct thread to stash the error variable (or returned
status) from the last syscall so that it is available during a
DTrace probe.
2008-05-18 19:50:43 +00:00
..
2008-02-23 22:40:05 +00:00