:> > rfork(RFMEM) doesn't easily work from C. You need to
:> > create an assembly stub.
:> >
:> > --
:> > John | Never try to teach a pig to sing,
:> > dy...@iquest.net | it makes one look stupid
:> > jdy...@nc.com | and it irritates the pig.
:> >
:>
:> I've seen about 6 people ask about this because the manual lies about
:> what is done. I asked a while back about it, and John was kind enough
:> to dig up some code that used rfork to properly split the stack should
:> I try to dig it up?
:>
:> In the meantime, can someone commit this or suggest something?
:
:For the suggest something, you realize that with Richard's VM_STACK code it
:should be relatively trivial to make this automatic (suggestion: add
:RFSTACK flag).
:
: Brian Feldman _ __ ___ ___ ___
: gr...@unixhelp.org _ __ ___ | _ ) __| \
: http://www.freebsd.org/ _ __ ___ ____ | _ \__ \ |) |
: FreeBSD: The Power to Serve! _ __ ___ ____ _____ |___/___/___/
If the goal is to completely share the address space, which
RFMEM does, you can't split anything, not even the stack. It
sure would be useful if there were a standard clib call adequate
for calling rfork() and calling a function in the child w/ a new
stack.
-Matt
Matthew Dillon
<dil...@backplane.com>
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