[Bug runtime/3718] -c option runs a program but doesn't exit

[hunt at redhat dot com]

------- Additional Comments From hunt at redhat dot com  2006-12-14 18:27 -------
(In reply to comment #0)
> [eteo@kerndev profiler]$ /usr/bin/env stap -c gaim poll-select.stp 10000
>
> (gaim has ended at this point. it just doesn't stop regardless how many ctrl+c I
> used)
> [1]+  Stopped                 ./profiler.sh -s poll-select.stp -d 10000 -c gaim

Why do you think gaim has exited when it says "stopped" for status?  What is
"profiler.sh"? Does "ps aux | grep gaim" show anything?

> [eteo@kerndev profiler]$ killall -9 stap
> [eteo@kerndev profiler]$ sudo killall -9 staprun
> [eteo@kerndev profiler]$ ps aux | grep stap
> eteo      7127  1.6  0.0      0     0 pts/6    Z    20:51   0:00 [stap] <defunct>
> root      7249  0.0  0.0   1488   212 pts/6    D    20:51   0:00 /sbin/rmmod -w
> stap_7127.ko

Hmmm. Whay is stap zombied? Where is it's parent? 

> poll-select.stp is a simple stp script that runs for 10000ms, and exit.

Does the same thing happen with other scripts?

I cannot reproduce this and reading through the code doesn't immediately reveal
any places where staprun fails to receive SIGCHLD.  



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http://sourceware.org/bugzilla/show_bug.cgi?id=3718

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