#include "stdio-util.h"
#include "string-table.h"
#include "string-util.h"
+#include "strv.h"
#include "unit-name.h"
#include "user-util.h"
return 0;
}
+int cg_mask_to_string(CGroupMask mask, char **ret) {
+ const char *controllers[_CGROUP_CONTROLLER_MAX + 1];
+ CGroupController c;
+ int i = 0;
+ char *s;
+
+ assert(ret);
+
+ if (mask == 0) {
+ *ret = NULL;
+ return 0;
+ }
+
+ for (c = 0; c < _CGROUP_CONTROLLER_MAX; c++) {
+
+ if (!(mask & CGROUP_CONTROLLER_TO_MASK(c)))
+ continue;
+
+ controllers[i++] = cgroup_controller_to_string(c);
+ controllers[i] = NULL;
+ }
+
+ s = strv_join((char **)controllers, NULL);
+ if (!s)
+ return -ENOMEM;
+
+ *ret = s;
+ return 0;
+}
+
+int cg_mask_from_string(const char *value, CGroupMask *mask) {
+ assert(mask);
+ assert(value);
+
+ for (;;) {
+ _cleanup_free_ char *n = NULL;
+ CGroupController v;
+ int r;
+
+ r = extract_first_word(&value, &n, NULL, 0);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ break;
+
+ v = cgroup_controller_from_string(n);
+ if (v < 0)
+ continue;
+
+ *mask |= CGROUP_CONTROLLER_TO_MASK(v);
+ }
+ return 0;
+}
+
int cg_mask_supported(CGroupMask *ret) {
CGroupMask mask = 0;
int r;
return r;
if (r > 0) {
_cleanup_free_ char *root = NULL, *controllers = NULL, *path = NULL;
- const char *c;
/* In the unified hierarchy we can read the supported
* and accessible controllers from a the top-level
if (r < 0)
return r;
- c = controllers;
- for (;;) {
- _cleanup_free_ char *n = NULL;
- CGroupController v;
-
- r = extract_first_word(&c, &n, NULL, 0);
- if (r < 0)
- return r;
- if (r == 0)
- break;
-
- v = cgroup_controller_from_string(n);
- if (v < 0)
- continue;
-
- mask |= CGROUP_CONTROLLER_TO_MASK(v);
- }
+ r = cg_mask_from_string(controllers, &mask);
+ if (r < 0)
+ return r;
/* Currently, we support the cpu, memory, io and pids
* controller in the unified hierarchy, mask
int cg_enable_everywhere(CGroupMask supported, CGroupMask mask, const char *p);
int cg_mask_supported(CGroupMask *ret);
+int cg_mask_from_string(const char *s, CGroupMask *ret);
+int cg_mask_to_string(CGroupMask mask, char **ret);
int cg_kernel_controllers(Set *controllers);
"%s\tPerpetual: %s\n"
"%s\tSlice: %s\n"
"%s\tCGroup: %s\n"
- "%s\tCGroup realized: %s\n"
- "%s\tCGroup mask: 0x%x\n"
- "%s\tCGroup members mask: 0x%x\n",
+ "%s\tCGroup realized: %s\n",
prefix, u->id,
prefix, unit_description(u),
prefix, strna(u->instance),
prefix, yes_no(u->perpetual),
prefix, strna(unit_slice_name(u)),
prefix, strna(u->cgroup_path),
- prefix, yes_no(u->cgroup_realized),
- prefix, u->cgroup_realized_mask,
- prefix, u->cgroup_members_mask);
+ prefix, yes_no(u->cgroup_realized));
+
+ if (u->cgroup_realized_mask != 0) {
+ _cleanup_free_ char *s = NULL;
+ (void) cg_mask_to_string(u->cgroup_realized_mask, &s);
+ fprintf(f, "%s\tCGroup mask: %s\n", prefix, strnull(s));
+ }
+ if (u->cgroup_members_mask != 0) {
+ _cleanup_free_ char *s = NULL;
+ (void) cg_mask_to_string(u->cgroup_members_mask, &s);
+ fprintf(f, "%s\tCGroup members mask: %s\n", prefix, strnull(s));
+ }
SET_FOREACH(t, u->names, i)
fprintf(f, "%s\tName: %s\n", prefix, t);