[Bug tapsets/2433] sys_groupexit in blacklist

["guanglei at cn dot ibm dot com" <sourceware-bugzilla at sourceware dot org>]

------- Additional Comments From guanglei at cn dot ibm dot com  2006-04-06 03:43 -------
(In reply to comment #2)
> It must indeed be just a typo.
> 
> However, I wonder whether the kretprobes situation is such that these two
> blacklist items are no longer needed.  Or for that matter, why does
> src/tapset/syscalls.stp make ".return" probe aliases to either of these two
> never-returning calls.
I think the syscall.exit & syscall.exit_group should be deleted from
src/tapset/syscalls.stp. And do_exit should also be added into blacklist.

For these never-return functions, it won't cause runtime error if a return probe
is putting on them since these probes will never be hit. But making tapsets.cxx
give warnings about return probles on these never-return functions could let the
user know it's useless to do that, instead of waiting for executions of probe
handlers. Not all users know about these never-return functions.


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http://sourceware.org/bugzilla/show_bug.cgi?id=2433

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