libcgroup/libcgroup-0.41/tests/get_variable_names.c
2014-02-05 16:04:04 +01:00

60 lines
1.2 KiB
C

#include <libcgroup.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "../src/libcgroup-internal.h"
int main(int argc, char *argv[])
{
int ret;
int i, j;
int count;
char *name;
struct cgroup_controller *group_controller = NULL;
struct cgroup *group = NULL;
char group_name[] = "/";
if (argc < 2) {
printf("no list of groups provided\n");
return -1;
}
ret = cgroup_init();
if (ret) {
printf("cgroup_init failed with %s\n", cgroup_strerror(ret));
exit(1);
}
group = cgroup_new_cgroup(group_name);
if (group == NULL) {
printf("cannot create group '%s'\n", group_name);
return -1;
}
ret = cgroup_get_cgroup(group);
if (ret != 0) {
printf("cannot read group '%s': %s\n",
group_name, cgroup_strerror(ret));
}
for (i = 1; i < argc; i++) {
group_controller = cgroup_get_controller(group, argv[i]);
if (group_controller == NULL) {
printf("cannot find controller "\
"'%s' in group '%s'\n", argv[i], group_name);
ret = -1;
continue;
}
count = cgroup_get_value_name_count(group_controller);
for (j = 0; j < count; j++) {
name = cgroup_get_value_name(group_controller, j);
if (name != NULL)
printf("%s \n", name);
}
}
return ret;
}