how to debug gdb?

[Christian Prochaska]

Hi Tomasz,

On 06.05.21 12:42, Tomasz Gajewski wrote:
> Currently I stumbled on problem with threads too. I know that creating
> thread using 'pthread_create' in debugged code does not raise any error
> but after this call number of thread visible in gdb (using 'info
> thread') does not change and breakpoint set inside a function assigned
> for thread is never triggered.
>
>
> Does anybody know if it is a sign of not creating thread at all or some
> deficiency in 'gdb_monitor' that fails to update presented list of
> threads? From the behavior it seems it is a first option.
>
> Another question is if it is supposed to work and it doesn't only
> because of some error or gdb_monitor lacks this functionality
> completely?

can you somehow reproduce the problem with the gdb monitor test which is used by gdb_monitor.run? This test also creates a pthread
and the breakpoint in 'test_thread_start()' appears to work as well as the appearance in the thread info list.

Christian


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