I'm not sure there is any case in which S_proc_exception_raise really ought
to send a reply of its own. If it's a bogus RPC, then it doesn't hurt,
since we're replying without trying the forward anyway. (OTOH, it's bogus,
so the sender has no reasonable expectations of any kind.) If the
forwardi
Hello,
In hurd/proc/mgt.c:S_proc_exception_raise(), the proc server forwards
the message to the target thread by calling proc_exception_raise(). In
error cases it returns 0, which msgserver then replies to the requester.
However, if for instance proc_exception_raise() managed to send
the message b