Re: [dpdk-stable] [PATCH] eal/windows: fix pthreads macros return values

[Tal Shnaiderman <talshn@nvidia.com>]

> Subject: Re: [PATCH] eal/windows: fix pthreads macros return values
> 
> External email: Use caution opening links or attachments
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> 
> On Sat, Apr 10, 2021 at 9:55 PM Tal Shnaiderman <talshn@nvidia.com>
> wrote:
> >
> > The macro definitions of the following pthread functions return
> > incorrect values from the inner function return code.
> >
> > while pthread_barrier_init, pthread_barrier_destroy and pthread_cancel
> > return 0 in a case of success and non zero (errno) value otherwise the
> > shimming functions InitializeSynchronizationBarrier,
> > DeleteSynchronizationBarrier and TerminateThread return FALSE (0) in a
> > case of failure and TRUE(1) in a case of success.
> >
> > This issue was undetected as none of the functions return codes was
> > checked until such check was added in commit 34cc55cce6b1 ("eal: fix
> > race in control thread creation") exposing the issue by failing
> > pthread_barrier_init and rte_eal_init on Windows as a result.
> >
> > The fix aligned the return value of the 3 function with the expected
> > pthread API return values.
> >
> > Fixes: e8428a9d89f1 ("eal/windows: add some basic functions and
> > macros")
> > Fixes: 34cc55cce6b1 ("eal: fix race in control thread creation")
> 
> Only the first Fixes: makes sense.
> The second commit you refer to relies on a working pthread implementation.
> 

Thanks, will remove in v2.

> 
> --
> David Marchand