Re: [Emc-developers] Question on halcmd RTAPI operation

2012-12-29 Thread John Morris
Hi fellers, On 12/28/2012 02:48 PM, Michael Haberler wrote: > the background of the question was: for the userland thread styles > and minimal privileges for rtapi_app functionality, the 'forking > helper program' is actually not helpful at all (it is needed and > makes sense for kernel modules).

Re: [Emc-developers] Question on halcmd RTAPI operation

2012-12-28 Thread Michael Haberler
John, thanks for the explanation - makes sense. the background of the question was: for the userland thread styles and minimal privileges for rtapi_app functionality, the 'forking helper program' is actually not helpful at all (it is needed and makes sense for kernel modules). Currently rtapi_

Re: [Emc-developers] Question on halcmd RTAPI operation

2012-12-28 Thread John Kasunich
On Thu, Dec 27, 2012, at 04:47 PM, Michael Haberler wrote: > I'm trying to find a good reason for the following: > > - halcmd is also a HAL citizen with a temporary HAL module name (halcmd). > - when halcmd loads a module by executing module_helper, it does the > following: > -- disconnect

[Emc-developers] Question on halcmd RTAPI operation

2012-12-27 Thread Michael Haberler
I'm trying to find a good reason for the following: - halcmd is also a HAL citizen with a temporary HAL module name (halcmd). - when halcmd loads a module by executing module_helper, it does the following: -- disconnect from hal, destroying its on hal module -- it runs module_helper -- after i