Re: thread not created when program executed with valgrind

On 16/01/2024 20:17, JD Silence wrote:
> Hello,
>
> I'm looking for some hints, advice and any other things that could 
> help me figure this out.
>
> I have a big program which I wanted to debug some memory issues. This 
> program internally creates and runs several threads.
>
[snip]
> The program is written in C++ 20. That particular problematic thread 
> is simply created by a line like:
>
> auto thread = new std::thread(&Class::MemberFunction, this, ptr1, ptr2);
>
> So nothing fancy, in my opinion. The debugger reaches that line, and a 
> press to next never enters the breakpoint set in Class::MemberFunction.
>
> In case that could matter, I'm using valgrind 3.19.0 on Debian 12.
>

Not much has changed to the threading/scheduling, unless you are 
changing the thread attributes for priority/scheduling. If so then you 
should try Valgrind 3.22.

Otherwise, try

--fair-sched=yes


A+

Paul




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