On Fri, 2011-09-02 at 09:29 +0200, Sambasiva Rao Manchili wrote: > Thank you Philippe for your time. > Right now I did a workaround with a flag after deleting a task and checking > this flag before doing any operation by task that was deleted. It works for > me. > I could not believe taskDelete did not work till yesterday.
A kernel change has not been propagated to the vxworks library years ago. In the absence of user feedback and vxworks-specific testsuite in Xenomai 2.x, we are blind. > > I hope with next version of Xenomail release the tested patch for taskDelete > will be available and for now I live with my workaround. > > Overall porting of VxWorks code, Integration and testing since three months. > I faced only two issues for which I got blocked. > 1. semTake with specific timeout value failed in Xenomai. As a workaround I > just removed this semTake and semGive , which is also OK to an extent in this > area of code. Unlike the one with taskDelete(), this sema4 issue is surprising to me. Can you elaborate? > 2. taskDelete > > Some of the vxworks functions that are not supported, I ported to native > linux methods. > At the moment, we only support the core O/S routines. This may change in xenomai 3, as we won't have to deal with the legacy in-kernel Xenomai/VxWorks API anymore. > Thank you one and all for your support. > Samba. > > -----Original Message----- > From: Philippe Gerum [mailto:r...@xenomai.org] > Sent: Thursday, 01. September, 2011 22:28 > To: Sambasiva Rao Manchili > Cc: Gilles Chanteperdrix; Xenomai-help@gna.org > Subject: Re: [Xenomai-help] taskDelete(tid) on VxWorks Skin ? > > On Thu, 2011-09-01 at 17:25 +0200, Sambasiva Rao Manchili wrote: > > Hi, > > It is reduced piece which explains the problem. > > If it is much more then I will see what I can do. > > User-space needs this, or something alike (not tested, not even compiled > actually): > > diff --git a/src/skins/vxworks/taskLib.c b/src/skins/vxworks/taskLib.c index > f751788..70f33aa 100644 > --- a/src/skins/vxworks/taskLib.c > +++ b/src/skins/vxworks/taskLib.c > @@ -267,10 +267,34 @@ STATUS taskDeleteForce(TASK_ID task_id) > > STATUS taskDelete(TASK_ID task_id) > { > + TASK_DESC desc; > + pthread_t tid; > int err; > > - err = > - XENOMAI_SKINCALL1(__vxworks_muxid, __vxworks_task_delete, > task_id); > + err = XENOMAI_SKINCALL2(__vxworks_muxid, > + __vxworks_taskinfo_get, task_id, &desc); > + if (err) { > + errno = abs(err); > + return ERROR; > + } > + > + tid = (pthread_t)desc->td_opaque; > + if (tid == pthread_self()) { > + /* Silently migrate to avoid raising SIGXCPU. */ > + XENOMAI_SYSCALL1(__xn_sys_migrate, XENOMAI_LINUX_DOMAIN); > + pthread_exit(NULL); > + } > + > + if (tid) { > + err = pthread_cancel(tid); > + if (err) > + return -err; > + } > + > + err = XENOMAI_SKINCALL1(__vxworks_muxid, __vxworks_task_delete, > task_id); > + if (err == S_objLib_OBJ_ID_ERROR) > + return OK; /* Used to be valid, but has exited. */ > + > if (err) { > errno = abs(err); > return ERROR; > > > Samba. > > > > -----Original Message----- > > From: Gilles Chanteperdrix [mailto:gilles.chanteperd...@xenomai.org] > > Sent: Thursday, 01. September, 2011 17:08 > > To: Sambasiva Rao Manchili > > Cc: Xenomai-help@gna.org > > Subject: Re: [Xenomai-help] taskDelete(tid) on VxWorks Skin ? > > > > On 09/01/2011 04:51 PM, Sambasiva Rao Manchili wrote: > > > Hi, > > > The reason that I have not given this piece of code was because it is not > > > written by me oflate but was code that exists since several years which > > > is running on VxWorks on different versions. > > > I just ported this with very very minimal effort to Linux over Xenomai. > > > > > > > I do not ask you to send your code, I ask you to send a reduced, > > self-contained test case, which demonstrates the issue you have, for > > reasons explained on the page I directed you to. > > > > -- > > Gilles. > > > > > > This email and any attachment may contain confidential information which is > > intended for use only by the addressee(s) named above. If you received this > > email by mistake, please notify the sender immediately, and delete the > > email from your system. You are prohibited from copying, disseminating or > > otherwise using the email or any attachment. > > > > > > _______________________________________________ > > Xenomai-help mailing list > > Xenomai-help@gna.org > > https://mail.gna.org/listinfo/xenomai-help > > -- > Philippe. > > > > > > This email and any attachment may contain confidential information which is > intended for use only by the addressee(s) named above. If you received this > email by mistake, please notify the sender immediately, and delete the email > from your system. You are prohibited from copying, disseminating or otherwise > using the email or any attachment. > -- Philippe. _______________________________________________ Xenomai-help mailing list Xenomai-help@gna.org https://mail.gna.org/listinfo/xenomai-help
