[bug #65890] xargs keeps child processes in zombie state before starting a new process

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Follow-up Comment #3, bug #65890 (group findutils):=0A=0AWhy do we believe =
this is a bug, though?=0A=0Await_for_proc() does a number of things that ar=
e not (or are not guaranteed to=0Abe) async-signal-safe.   Calling error() =
for example.   Therefore I am=0Areluctant to call wait_for_proc() from a si=
gnal handler.=0A=0A=0A    _________________________________________________=
______=0A=0AReply to this item at:=0A=0A  <https://savannah.gnu.org/bugs/?6=
5890>=0A=0A_______________________________________________=0AMessage sent v=
ia Savannah=0Ahttps://savannah.gnu.org/=0A
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