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Top Forums UNIX for Dummies Questions & Answers Kill child processes, when parent is "bash" Post 302376889 by teras on Wednesday 2nd of December 2009 02:46:47 PM
Old 12-02-2009
I know that I can programmatically parse the whole tree and recursively kill all children.
But it seems to me that this is has a big overhead.

Isn't there any other way to do it?
I thought this was the default behaviour, the childer to be killed when the parent gets killed.
 

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ptree(1)						      General Commands Manual							  ptree(1)

NAME
ptree - prints the process tree hierarchy SYNOPSIS
[pid1|username1 [pid2|username2]...] DESCRIPTION
prints the process tree of all processes that match the specified arguments. While printing the tree, the child processes are indented to the right from their respective parent processes. Options Prints the tree starting from the children of (usually pid 0). The default is to print the tree starting from the children of (pid 1). Operands pid Print the process tree for the process ID number specified by pid. username Print the process tree for all the processes from the user specified by username. Note that only username (and not user ID) can be specified for this instance. If no operands are specified, then prints the process tree of all processes starting from the children of or (if is specified). EXTERNAL INFLUENCES
Environment Variables If is not specified or is null, it defaults to (see lang(5)). EXAMPLES
Print the process tree for pid 100 and for all processes owned by WARNINGS
Process information can change while is running; the tree displayed by is only a snapshot in time. Some data printed for defunct processes is irrelevant. Users of must not rely on the exact field widths and spacing of its output, as these will vary depending on the system and the release of HP-UX. SEE ALSO
pgrep(1), pkill(1), ps(1), fork(2). ptree(1)
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