On Wed, Feb 09, 2011 at 04:52:15PM +0530, Balbir Singh wrote:
> On 02/08/2011 08:05 PM, Jiri Slaby wrote:
> > Hi,
> >
> > I have a program:
> > #include <err.h>
> > #include <stdio.h>
> > #include <stdlib.h>
> > #include <unistd.h>
> >
> > #include <sys/types.h>
> > #include <sys/wait.h>
> >
> > static void child(unsigned int id)
> > {
> > if (setuid(1000))
> > err(2, "setuid");
> > sleep(5+id);
> > exit(id);
> > }
> >
> > int main(int argc, char **argv)
> > {
> > unsigned int a;
> >
> > for (a = 0; a < 5; a++)
> > if (fork() == 0)
> > child(a);
> > for (a = 0; a < 5; a++)
> > wait(NULL);
> >
> > return 0;
> > }
> >
> >
> > ============================
> >
> >
> > In cgconfig.conf there is:
> > group cpu1 {
> > cpuset {
> > cpuset.cpus=1;
> > cpuset.mems=0;
> > }
> > }
> > group cpu0 {
> > cpuset {
> > cpuset.cpus=0;
> > cpuset.mems=0;
> > }
> > }
> > group others {
> > cpuset {
> > cpuset.cpus=0-1;
> > cpuset.mems=0;
> > }
> > }
> > mount {
> > cpuset = /mnt/cpu;
> > }
> >
> >
> > ============================
> >
> >
> > cgrules.conf are as simple as:
> > xslaby * cpu0/
> > man * cpu1/
> > * * others/
> >
> >
> > ============================
> >
> >
> > And now if I run the program under root as:
> > # cgexec -g *:cpu1 --sticky ./fork
> > the children are moved into the cpu0 group despite the sticky option.
> > The same as for non-sticky case.
> >
> > I'm using the latest GIT snapshot.
> >
> > Any ideas what's wrong?
>
> CC'ing Vivek for a quick answer!
Looks like --sticky option has been added by Ken'ichi Ohmichi. CCing
him.
Thanks
Vivek
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