Li Yu wrote: > > However, I found the sys_futex() do not use rt_mutex, so what's mean of the > user futex you said? > Even, I have not found any usage for rt_mutex in kernel code. Or, some > beautiful story will happen in future? >
Just need to look a little deeper :-) sys_futex calls do_futex do_futex with the option of FUTEX_LOCK_PI will call futex_lock_pi futex_lock_pi calls rt_mutex_timed_lock or rt_mutex_trylock both of which are part of the rtmutex.c code. So it's there today :-) -- Steve - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
