* [Bug bpf/23480] New: bpfinterp.cxx should respond to ^C
@ 2018-08-02 16:55 me at serhei dot io
2018-08-20 18:57 ` [Bug bpf/23480] " me at serhei dot io
0 siblings, 1 reply; 2+ messages in thread
From: me at serhei dot io @ 2018-08-02 16:55 UTC (permalink / raw)
To: systemtap
https://sourceware.org/bugzilla/show_bug.cgi?id=23480
Bug ID: 23480
Summary: bpfinterp.cxx should respond to ^C
Product: systemtap
Version: unspecified
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: bpf
Assignee: systemtap at sourceware dot org
Reporter: me at serhei dot io
Target Milestone: ---
# stap --bpf -v -e 'probe begin { for(;;) { printf("whoosh!") } }'
Cannot be interrupted with ^C, forcing the user to kill the process.
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^ permalink raw reply [flat|nested] 2+ messages in thread* [Bug bpf/23480] bpfinterp.cxx should respond to ^C
2018-08-02 16:55 [Bug bpf/23480] New: bpfinterp.cxx should respond to ^C me at serhei dot io
@ 2018-08-20 18:57 ` me at serhei dot io
0 siblings, 0 replies; 2+ messages in thread
From: me at serhei dot io @ 2018-08-20 18:57 UTC (permalink / raw)
To: systemtap
https://sourceware.org/bugzilla/show_bug.cgi?id=23480
Serhei Makarov <me at serhei dot io> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution|--- |FIXED
--- Comment #1 from Serhei Makarov <me at serhei dot io> ---
Correction: this only happens when 'probe end { ... }' is being executed. That
is because the signal handler in stapbpf.cxx sets the exit flag, which has no
effect once the end probes are already running.
Fixed in commit 9d29349 by restoring signal handlers before running exit
probes, and having these handlers exit immediately rather than setting exit
status.
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