Re: [Toybox] Does anybody use ipcmk?
On Mon, Jul 2, 2018 at 12:37 PM Rob Landley wrote: > > On 07/02/2018 10:37 AM, enh wrote: > > (sysv ipc is disabled in multiple ways on Android. you can't pass CTS > > with a kernel that supports it.) > > Indeed, but the CLONE_NEWIPC container namespace implies it'll probably be > back > someday. And it's still in posix. And the pending/ code was contributed by > some > nice Koreans who are presumably still using it. And I'm halfway through > cleaning > it up already. :) oh, i wasn't trying to say it's not useful to _anyone_... just that it isn't useful to Android. (it's usually pretty safe to assume that proviso to everything i say.) > Rob ___ Toybox mailing list Toybox@lists.landley.net http://lists.landley.net/listinfo.cgi/toybox-landley.net
Re: [Toybox] Does anybody use ipcmk?
On 07/02/2018 10:37 AM, enh wrote: > (sysv ipc is disabled in multiple ways on Android. you can't pass CTS > with a kernel that supports it.) Indeed, but the CLONE_NEWIPC container namespace implies it'll probably be back someday. And it's still in posix. And the pending/ code was contributed by some nice Koreans who are presumably still using it. And I'm halfway through cleaning it up already. :) Rob ___ Toybox mailing list Toybox@lists.landley.net http://lists.landley.net/listinfo.cgi/toybox-landley.net
Re: [Toybox] Does anybody use ipcmk?
(sysv ipc is disabled in multiple ways on Android. you can't pass CTS with a kernel that supports it.) On Sun, Jul 1, 2018 at 7:32 PM Rob Landley wrote: > > toys/pending/ipcs.c and toys/pending/iprm.c will list and delete sysv > inter-process communication resources (shared memory, message queue, and > semaphore). But there's no equivalent way to create them, which makes tests > hard > to do. > > Ubuntu's command line has an ipcmk command from util-linux, but it's not in > posix (or in busybox). > > Has anybody used this stuff much? (For shared memory segments I've just opened > /dev/shm files and deleted them when done, and that way I can lsof them to see > who's using what. I've installed packages that needed message queues and sysv > semaphores, but that was mostly in the context of "I need to enable this > kernel > symbol or this thing won't work". ) > > I want to cleanup and promote these commands, but kinda need to be able to > test > the results. I suspect I should do an ipcmk too, but since I'm not an existing > user of the command it's hard to be confident I've done it right... > > Rob > ___ > Toybox mailing list > Toybox@lists.landley.net > http://lists.landley.net/listinfo.cgi/toybox-landley.net ___ Toybox mailing list Toybox@lists.landley.net http://lists.landley.net/listinfo.cgi/toybox-landley.net