Jan Kiszka wrote: > Gilles Chanteperdrix wrote: >> Jan Kiszka wrote: >>> To improve robustness of the fast mutex implementation in POSIX (and >>> later on in native), it is better to track the mutex owner by handle >>> instead of kernel object pointer. Therefore, this patch changes >>> __xn_sys_current (xeno_set_current) so that it returns >>> xnthread_handle(current_thread). It furthermore converts the POSIX mutex >>> implementation to pick up and store the lock owner as handle in the >>> kernel/user-shared mutex. Finally it ensures that at least POSIX threads >>> always have an (anonymous) handle assigned. >>> >>> As the value stored in the mutex variable is now an integer, we can >>> switch over to xnarch_atomic_t, removing all atomic_intptr users. >> Ok. I do not know if this should be part of this patch, or in another >> one, but we should call xeno_set_current in the trampolines of all >> skins, so that they can use the native and posix mutexes. >> >> This is another thing that I have left in a state of flux... > > Find it below (PATCH 4/3). > > BTW, should we better invoke pthread_exit in xeno_set_current in case of > a failure?
I prefer my application to die. This way I would know that something went wrong. And by the way, how could this syscall fail ? I mean if xenomai or the posix skin are not loaded, we would have known it earlier. -- Gilles. _______________________________________________ Xenomai-core mailing list Xenomaifirstname.lastname@example.org https://mail.gna.org/listinfo/xenomai-core