Re: PTHREAD_MUTEX_ADAPTIVE_NP undefined in Gecko

[Samuel Thibault]

Riccardo Mottola, le mar. 09 févr. 2021 13:04:54 +0100, a ecrit:
> Richard Braun wrote:
> > The _NP suffix means non-posix, and is generally used for system-specific
> > features. The use of "adaptive" mutexes is probably just an optimization,
> > so it should be completely safe to just comment it out on systems where
> > the macro doesn't exist (assuming it's a macro).
> 
> thank you, it must be optional:
> 
> #if (defined(LINUX) && (__GLIBC__ > 2) || (__GLIBC__ == 2 && __GLIBC_MINOR__
> >= 2)) || \
>     (defined(FREEBSD) && __FreeBSD_version > 700055)
>     rv = pthread_mutexattr_settype(&_pt_mattr, PTHREAD_MUTEX_ADAPTIVE_NP);
>     PR_ASSERT(0 == rv);
> #endif
> 
> does HURD define LINUX?

No. But Linux not define LINUX either, so I rather guess that the
application misdetected the GNU system as a GNU/Linux system and
erroneously defined LINUX.

Samuel