[Mono-dev] System.Unix.Native.Syscall.fork is commented out

Robert Jordan robertj at gmx.net
Wed Sep 3 04:33:57 EDT 2008

Avery Pennarun wrote:
> However, I don't understand the rationale here.  It seems to me that
> fork() has nothing to do with shutdown, and thus cannot possibly
> bypass "essential shutdown code."  On the other hand, Syscall.execve
> is *not* obsolete and *does* bypass shutdown code.  Furthermore, the
> recommended System.Diagnostics.Process class provides no equivalent to
> fork(), so I'm not sure why it's being recommended.
> What's the rationale here?

If a child is calling exit() upon termination, parent's handles will
be closed as well. This will most likely break parts of the runtime
(io-layer, etc.).

execve is different because it simply replace the process, thus it
can `only' break code that depends upon a clean shutdown.


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