Accessing pthread_key_create thread-specific data
Tom Tromey
tom@tromey.com
Fri Mar 12 15:54:52 GMT 2021
>>>>> "Florian" == Florian Weimer via Gdb <gdb@sourceware.org> writes:
Florian> We have some functionality in libthread_db in glibc that provides access
Florian> to pthread_key_create thread-specific data (aka pthread_setspecific and
Florian> pthread_getspecific). I would like to write a GDB test for this
Florian> functionality, but I can't find how GDB exposes this data in the UI. Is
Florian> this just dead code?
As far as I know, these aren't used and I think have never been used.
I'm not sure how I would go about exposing this to users. The most
natural way might be to intercept calls to pthread_*specific. Maybe a
couple of new convenience functions would be good though, and less
magical.
I guess this would primarily be useful for core file debugging?
Assuming inferior calls to pthread_*specific already work -- I haven't
tried.
thanks,
Tom
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