Messages in this thread | | | Date | Wed, 6 Mar 2002 18:10:29 -0800 (PST) | From | Davide Libenzi <> | Subject | Re: [PATCH] Fast Userspace Mutexes III. |
| |
On Wed, 6 Mar 2002, Richard Henderson wrote:
> On Mon, Mar 04, 2002 at 02:15:58PM -0800, Davide Libenzi wrote: > > That's great. What if the process holding the mutex dies while there're > > sleeping tasks waiting for it ? > > The lock is lost. The same thing would happen with locks completely > implemented in userspace. > > I don't see that the kernel should do anything about this. If a > thread is killed with predudice (i.e. without pthread_cancel) then > there are all sorts of cleanups that won't happen. Having the > kernel automatically unlock the locks doesn't help much, since > the data structures are quite likely in an inconsistent state.
agreed, whatever solution does not solve it completely and makes things is lot more complex. it's not an issue ...
- Davide
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |