Why __gthread_active_p() is checked only in few functions?

Jonathan Wakely jwakely.gcc@gmail.com
Tue Sep 30 10:40:00 GMT 2014


On 30 September 2014 11:39, Jonathan Wakely <jwakely.gcc@gmail.com> wrote:
> On 30 September 2014 11:17, niXman wrote:
>> Jonathan Wakely 2014-09-30 13:22:
>>
>>> I mean exactly what I wrote.
>>>
>>> __gthread_mutex_lock is a one-line function that forwards to
>>> pthread_mutex_lock. Using GNU libc if you don't link to libpthread.so
>>> then pthread_mutex_lock is a no-op function that does nothing. It is
>>> quicker to just call it than to spend time checking if threads are
>>> active.
>>
>>
>> Ok, but what about '__gthread_mutex_init_function()'?
>
> What part of my first answer wasn't clear? Do I just need to say the
> same thing again using different words?

Maybe you can work it out for yourself by seeing if what I wrote about
__gthread_mutex_lock applies.

Is __gthread_mutex_init_function a one-line function that just
forwards to another function?



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