[MacPorts] #46608: qt4-mac: avoid zombie processes

[MacPorts]

#46608: qt4-mac: avoid zombie processes
-------------------------+--------------------------------
 Reporter:  rjvbertin@…  |      Owner:  macports-tickets@…
     Type:  defect       |     Status:  new
 Priority:  Normal       |  Milestone:
Component:  ports        |    Version:  2.3.3
 Keywords:  haspatch     |       Port:  qt4-mac
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 This one has (also) already been presented (because included) in my
 qt4-mac concurrent ticket, but a bit of independent exposure might be
 good.

 Starting a non-existant command through QProcess leads to zombie
 processes, i.e. inactive, post-termination processes that cannot exit
 completely because of an open link to their parent process (in this case).

 This is a bug for which a patch has been contributed but not yet included
 in Qt4:

 {{{

 # (25) avoid leaving zombies when starting an inexisting executable
 through QProcess
 patchfiles-append \
     qprocess-nozombies.patch
 }}}

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Ticket URL: <https://trac.macports.org/ticket/46608>
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