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

Follow-up Comment #2, bug #65890 (group findutils):

I did not add a version as it should happen in all versions. Before leaving
the version unset I did test with 4.9.0 and the problem still happens. I
assume it happens in 4.10.0.

Checking latest source code in
https://git.savannah.gnu.org/cgit/findutils.git/tree/xargs/xargs.c I do not
see how it could not also happen in the latest changes as it still has:


  /* Make sure to listen for the kids.  */
  signal (SIGCHLD, SIG_DFL);


The fix probably should be to install a signal handler for SIGCHLD and call
waitpid in the signal handler.



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