tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
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linux
1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef __CGROUP_HELPERS_H
3#define __CGROUP_HELPERS_H
4
5#include <errno.h>
6#include <string.h>
7
8#define clean_errno() (errno == 0 ? "None" : strerror(errno))
9#define log_err(MSG, ...) fprintf(stderr, "(%s:%d: errno: %s) " MSG "\n", \
10 __FILE__, __LINE__, clean_errno(), ##__VA_ARGS__)
11
12/* cgroupv2 related */
13int enable_controllers(const char *relative_path, const char *controllers);
14int write_cgroup_file(const char *relative_path, const char *file,
15 const char *buf);
16int write_cgroup_file_parent(const char *relative_path, const char *file,
17 const char *buf);
18int cgroup_setup_and_join(const char *relative_path);
19int get_root_cgroup(void);
20int create_and_get_cgroup(const char *relative_path);
21void remove_cgroup(const char *relative_path);
22void remove_cgroup_pid(const char *relative_path, int pid);
23unsigned long long get_cgroup_id(const char *relative_path);
24int get_cgroup1_hierarchy_id(const char *subsys_name);
25
26int join_cgroup(const char *relative_path);
27int join_root_cgroup(void);
28int join_parent_cgroup(const char *relative_path);
29
30int set_cgroup_xattr(const char *relative_path,
31 const char *name,
32 const char *value);
33
34int setup_cgroup_environment(void);
35void cleanup_cgroup_environment(void);
36
37/* cgroupv1 related */
38int set_classid(void);
39int join_classid(void);
40unsigned long long get_classid_cgroup_id(void);
41int open_classid(void);
42
43int setup_classid_environment(void);
44void cleanup_classid_environment(void);
45
46#endif /* __CGROUP_HELPERS_H */