On Wed, 2007-05-30 at 17:49 -0700, john stultz wrote:
> ...
> retry_locked:
> /*
> * To avoid races, try to do the TID -> 0 atomic transition
> * again. If it succeeds then we can return without waking
> * anyone else up:
> */
> if (!(uval & FUTEX_OWNER_DIED)) {
> pagefault_disable();
> uval = futex_atomic_cmpxchg_inatomic(uaddr, current->pid, 0);
> pagefault_enable();
> }
My question is to all the futex gurus out there.
This code is in futex_unlock_pi. Can the owner of the mutex really die?
Isn't the owner the one doing the unlock?
-- 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/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]
