Package: perl-doc
Version: 5.8.8-2
Severity: minor

perlfunc states:

  Unlike in the shell, if SIGNAL is negative, it kills process groups
  instead of processes.  (On System V, a negative PROCESS number will also
  kill process groups, but that’s not portable.) That means you usually
  want to use positive not negative signals.  You may also use a signal
  name in quotes.

perlipc states:

  Sending a signal to a negative process ID means that you send the sig‐
  nal to the entire Unix process-group.  This code sends a hang-up signal
  to all processes in the current process group (and sets $SIG{HUP} to
  IGNORE so it doesn’t kill itself)

So it's not clear whether to kill a process group a negative signal, or
a negative PID should be used.


Regards,
Roger


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Versions of packages perl-doc depends on:
ii  perl                          5.8.8-2    Larry Wall's Practical Extraction 

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