SIG33

SIG33

[Joe Sutker]

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Hello LTTng Devs,

I am working on a project that uses LTTng, and it seems that LTTng is
throwing a SIG33 signal (Real-time event 33), which Eclipse does not seem
to appreciate. Would you be able to direct me to the place in lttng-tools
that this signal is thrown?

Thanks,

Joe

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Re: SIG33

[Mathieu Desnoyers]

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----- On Apr 16, 2019, at 11:26 AM, Joe Sutker <jomasu22@gmail.com> wrote: 

> Hello LTTng Devs,
> I am working on a project that uses LTTng, and it seems that LTTng is throwing a
> SIG33 signal (Real-time event 33), which Eclipse does not seem to appreciate.
> Would you be able to direct me to the place in lttng-tools that this signal is
> thrown?

Hi, 

Based on the signal(7) man page, it appears that real-time signal 33 is used by the NPTL 
threading library from glibc. 

Indeed, lttng-ust creates 2 threads within the processes it's linked into, so 
your application needs to appropriately interact with glibc NPTL in order to link 
lttng-ust into it. 

Can you provide more details on the nature of your application ? When you 
say "which Eclipse does not seem to appreciate", what role is Eclipse having 
in this scenario ? It is simply used to launch your application under a debugger 
(e.g. gdb) ? If so, what debugger version is it, and on which architecture ? 

Thanks, 

Mathieu 

-- 
Mathieu Desnoyers 
EfficiOS Inc. 
http://www.efficios.com 

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