[cups.development] [RFE] STR #2829: when stopping queue only the direct child get cleaned up, need to clean all subsequent processes as well, patch included

[Robert Bossecker]

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[STR New]

Hi there,

i figured out that when doing "cupsdisable <printer>" only the direct
child is being killed so that a backend using subprocesses wouldn't get
cleaned completely.

To accomplish the task i created a patch which changes the process
creation and process killing functions to make use of process groups
instead of single process id's.

Regards
Robert

Link: http://www.cups.org/str.php?L2829
Version:  -feature
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