Re: [Valgrind-developers] [valgrind] Add --modify-fds=[no|high] option

[Paul F. <pj...@wa...>]

On 4/16/25 22:12, Paul Floyd via Valgrind-developers wrote:
>
>
> The  track_new testcase isn't working on FreeBSD. If I add the 
> POST_newFd_RES macro to POST(sys_openat)
>  then I see the fds being assigned from VG_(fd_hard_limit) downwards 
> but when ML_(fd_allowed)() is called from PRE(sys_write) I don't see 
> that openbadfd->fd_closed is set for the closed fd.
>
> Need more debugging of what's happening during close.
>

I think FreeBSD dprintf is being clever and seeing that the fd is 
closed. Outside of Valgrind I was seeing a call to write() but not when 
running under Valgrind.

I'll try using just plain write() rather than dprintf().

A+

Paul