[Buildroot] How to enable sighold and sigrelse in uClibc ?

["Stefan Fröberg" <stefan.froberg@petroprogram.com>]

Ok, I finally found it.

Also "BSD obsolete signal functions" (UCLIBC_HAS_OBSOLETE_BSD_SIGNAL) under
"Advanced Library Settings" must be enabled to make this work.

And looking into lipthread/nptl/sem_open.c I revealed that __fxstat64() is
basically equivalent to fstat64() if Largefile support is enabled in uClibc
and otherwise just fstat().

So I can hack that into my application or maybe directly into sys/stat.h

Case solved :)

27.9.2012 18:52, Stefan Fr?berg kirjoitti:
> Hello everyone
>
> I need to enable sighold() and sigrelse() functions in uClibc (version
> 0.9.33 using NPTL)
> and I have enabled the corresponding UCLIBC_SUSV4_LEGACY (Enable SuSv4
> Legacy or obsolescent functions)
> option in .config.
>
> However, when trying to use those functions in application they are
> undeclared and
> indeed, when checking from uClibc source directory libc/signal I see
> that they are not even compiled
> (no sighold.o and sigrelse.o).
>
> So what else is needed to make sighold.o and sigrelse.o ?
>
> Best regards
> Stefan
>
> P.S:  
> Is there __fxstat64() function somewhere in uClibc ?
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