Need for arch pthread-offsets.h (was Re: [PATCH v2 05/15] ARC: Atomics and Locking primitives)

Andreas Schwab schwab@suse.de
Mon Feb 4 10:03:00 GMT 2019


On Jan 31 2019, Vineet Gupta <vineet.gupta1@synopsys.com> wrote:

> However what was not obvious is adjustment to
> sysdeps/<arch>/nptl/pthread-offsets.h to __PTHREAD_MUTEX_*_OFFSET. But these don't
> seem to be *actually* used anywhere. Sure there are assert checks in
> pthread_mutext_init.c but what's the point: the struct is generic anyways. IOW I'm
> not sure what port specific errors/inconsistency they are catching, other than the
> fact that they need to be hand calculating when starting a new port.
>
> Am I missing something ?

The _OFFSET macros are for ensuring binary compatibility.

Andreas.

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Andreas Schwab, SUSE Labs, schwab@suse.de
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