RE: Process Control Extensions

Bishnupriya,

* Is include_descendants intended to find descendents of intermediate
processes that have already terminated, i.e. children of dead children?
[bpriya> yes, it is. Note that the process on which the construct is being
called can itself be terminated, then the construct applies to its
descendants - the same logic holds for an intermediate process in the
sub-hierarchy that has terminated.]

Can you please clarify? Suppose process A spawns process B and B spawns C,
and suppose process B is terminated first before A or C. You say that
include_descendents on A should find C. Is this meant to imply that the
implementation is obliged to keep the process handle for the terminated
process B valid until after all its children have terminated, or is an
implementation permitted to invalidate any handles to B while B still has
surviving children? Would this be implementation-dependent?

Thanks,

John A

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