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Some controllers can be disabled in kernel options. In this case they are shown in /proc/cgroups, but they could not be mounted. All enabled controllers can be collected from /proc/self/cgroup. https://github.com/xemul/criu/issues/28 v2: ',' is used to separate controllers Cc: Tycho Andersen <tycho.andersen@canonical.com> Reported-by: Ross Boucher <boucher@gmail.com> Signed-off-by: Andrey Vagin <avagin@openvz.org> Acked-by: Tycho Andersen <tycho.andersen@canonical.com> Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
58 lines
1.4 KiB
C
58 lines
1.4 KiB
C
#ifndef __CR_CGROUP_H__
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#define __CR_CGROUP_H__
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#include "asm/int.h"
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struct pstree_item;
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extern u32 root_cg_set;
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int dump_task_cgroup(struct pstree_item *, u32 *);
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int dump_cgroups(void);
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int prepare_task_cgroup(struct pstree_item *);
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int prepare_cgroup(void);
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/* Restore things like cpu_limit in known cgroups. */
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int prepare_cgroup_properties(void);
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void fini_cgroup(void);
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struct cg_controller;
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struct cgroup_prop {
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char *name;
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char *value;
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struct list_head list;
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};
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/* This describes a particular cgroup path, e.g. the '/lxc/u1' part of
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* 'blkio/lxc/u1' and any properties it has.
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*/
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struct cgroup_dir {
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char *path;
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struct list_head properties;
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unsigned int n_properties;
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/* this is how children are linked together */
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struct list_head siblings;
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/* more cgroup_dirs */
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struct list_head children;
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unsigned int n_children;
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};
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/* This describes a particular cgroup controller, e.g. blkio or cpuset.
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* The heads are subdirectories organized in their tree format.
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*/
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struct cg_controller {
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unsigned int n_controllers;
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char **controllers;
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/* cgroup_dirs */
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struct list_head heads;
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unsigned int n_heads;
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/* for cgroup list in cgroup.c */
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struct list_head l;
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};
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struct cg_controller *new_controller(const char *name);
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/* parse all global cgroup information into structures */
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int parse_cg_info(void);
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int new_cg_root_add(char *controller, char *newroot);
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#endif /* __CR_CGROUP_H__ */
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