----- On Apr 4, 2019, at 3:26 PM, Mosleh Uddin <mosleh1...@gmail.com> wrote:
> Hello, > I am building an application which I am compiling with the 'lttng-ust' flag. > When I try to debug the application using gdb, I get a 'Suspended: Signal: > SIG33:Real-time event 33' message. This only happens when I compile with the > 'lttng-ust' flag, if I remove it I no longer have this issue. Any insight? 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 ? What version of gdb do you use ? On which architecture ? Thanks, Mathieu -- Mathieu Desnoyers EfficiOS Inc. http://www.efficios.com
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