]>
Commit | Line | Data |
---|---|---|
03467c88 | 1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
8c6db833 | 2 | |
c2f1db8f | 3 | #pragma once |
8c6db833 LP |
4 | |
5 | /*** | |
6 | This file is part of systemd. | |
7 | ||
8 | Copyright 2010 Lennart Poettering | |
9 | ||
10 | systemd is free software; you can redistribute it and/or modify it | |
5430f7f2 LP |
11 | under the terms of the GNU Lesser General Public License as published by |
12 | the Free Software Foundation; either version 2.1 of the License, or | |
8c6db833 LP |
13 | (at your option) any later version. |
14 | ||
15 | systemd is distributed in the hope that it will be useful, but | |
16 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
5430f7f2 | 18 | Lesser General Public License for more details. |
8c6db833 | 19 | |
5430f7f2 | 20 | You should have received a copy of the GNU Lesser General Public License |
8c6db833 LP |
21 | along with systemd; If not, see <http://www.gnu.org/licenses/>. |
22 | ***/ | |
23 | ||
24 | #include <sys/types.h> | |
c6c18be3 | 25 | #include <stdio.h> |
35d2e7ec | 26 | #include <dirent.h> |
c6c18be3 LP |
27 | |
28 | #include "set.h" | |
f6a6225e | 29 | #include "def.h" |
8c6db833 | 30 | |
4ad49000 LP |
31 | /* A bit mask of well known cgroup controllers */ |
32 | typedef enum CGroupControllerMask { | |
33 | CGROUP_CPU = 1, | |
34 | CGROUP_CPUACCT = 2, | |
35 | CGROUP_BLKIO = 4, | |
36 | CGROUP_MEMORY = 8, | |
a931ad47 LP |
37 | CGROUP_DEVICE = 16, |
38 | _CGROUP_CONTROLLER_MASK_ALL = 31 | |
4ad49000 LP |
39 | } CGroupControllerMask; |
40 | ||
5954c074 LP |
41 | /* |
42 | * General rules: | |
43 | * | |
44 | * We accept named hierarchies in the syntax "foo" and "name=foo". | |
45 | * | |
46 | * We expect that named hierarchies do not conflict in name with a | |
47 | * kernel hierarchy, modulo the "name=" prefix. | |
48 | * | |
49 | * We always generate "normalized" controller names, i.e. without the | |
50 | * "name=" prefix. | |
51 | * | |
52 | * We require absolute cgroup paths. When returning, we will always | |
53 | * generate paths with multiple adjacent / removed. | |
54 | */ | |
55 | ||
c6c18be3 | 56 | int cg_enumerate_processes(const char *controller, const char *path, FILE **_f); |
c6c18be3 LP |
57 | int cg_read_pid(FILE *f, pid_t *_pid); |
58 | ||
35d2e7ec LP |
59 | int cg_enumerate_subgroups(const char *controller, const char *path, DIR **_d); |
60 | int cg_read_subgroup(DIR *d, char **fn); | |
61 | ||
430c18ed LP |
62 | int cg_kill(const char *controller, const char *path, int sig, bool sigcont, bool ignore_self, Set *s); |
63 | int cg_kill_recursive(const char *controller, const char *path, int sig, bool sigcont, bool ignore_self, bool remove, Set *s); | |
8c6db833 | 64 | |
246aa6dd LP |
65 | int cg_migrate(const char *cfrom, const char *pfrom, const char *cto, const char *pto, bool ignore_self); |
66 | int cg_migrate_recursive(const char *cfrom, const char *pfrom, const char *cto, const char *pto, bool ignore_self, bool remove); | |
13b84ec7 | 67 | int cg_migrate_recursive_fallback(const char *cfrom, const char *pfrom, const char *cto, const char *pto, bool ignore_self, bool rem); |
35d2e7ec LP |
68 | |
69 | int cg_split_spec(const char *spec, char **controller, char **path); | |
7027ff61 | 70 | int cg_mangle_path(const char *path, char **result); |
8c6db833 LP |
71 | |
72 | int cg_get_path(const char *controller, const char *path, const char *suffix, char **fs); | |
3474ae3c | 73 | int cg_get_path_and_check(const char *controller, const char *path, const char *suffix, char **fs); |
7027ff61 LP |
74 | |
75 | int cg_pid_get_path(const char *controller, pid_t pid, char **path); | |
8c6db833 LP |
76 | |
77 | int cg_trim(const char *controller, const char *path, bool delete_root); | |
35d2e7ec | 78 | |
4ad49000 | 79 | int cg_rmdir(const char *controller, const char *path); |
8c6db833 LP |
80 | int cg_delete(const char *controller, const char *path); |
81 | ||
4ad49000 | 82 | int cg_create(const char *controller, const char *path); |
8c6db833 | 83 | int cg_attach(const char *controller, const char *path, pid_t pid); |
13b84ec7 | 84 | int cg_attach_fallback(const char *controller, const char *path, pid_t pid); |
8c6db833 LP |
85 | int cg_create_and_attach(const char *controller, const char *path, pid_t pid); |
86 | ||
4ad49000 | 87 | int cg_set_attribute(const char *controller, const char *path, const char *attribute, const char *value); |
934277fe | 88 | int cg_get_attribute(const char *controller, const char *path, const char *attribute, char **ret); |
4ad49000 | 89 | |
8c6db833 | 90 | int cg_set_group_access(const char *controller, const char *path, mode_t mode, uid_t uid, gid_t gid); |
4ad49000 | 91 | int cg_set_task_access(const char *controller, const char *path, mode_t mode, uid_t uid, gid_t gid); |
8c6db833 LP |
92 | |
93 | int cg_install_release_agent(const char *controller, const char *agent); | |
ad929bcc | 94 | int cg_uninstall_release_agent(const char *controller); |
8c6db833 LP |
95 | |
96 | int cg_is_empty(const char *controller, const char *path, bool ignore_self); | |
97 | int cg_is_empty_recursive(const char *controller, const char *path, bool ignore_self); | |
98 | ||
7027ff61 | 99 | int cg_get_root_path(char **path); |
6c03089c | 100 | |
7027ff61 | 101 | int cg_path_get_session(const char *path, char **session); |
ae018d9b | 102 | int cg_path_get_owner_uid(const char *path, uid_t *uid); |
6c03089c LP |
103 | int cg_path_get_unit(const char *path, char **unit); |
104 | int cg_path_get_user_unit(const char *path, char **unit); | |
7027ff61 | 105 | int cg_path_get_machine_name(const char *path, char **machine); |
1021b21b | 106 | int cg_path_get_slice(const char *path, char **slice); |
329ac4bc | 107 | int cg_path_get_user_slice(const char *path, char **slice); |
7027ff61 | 108 | |
751bc6ac | 109 | int cg_shift_path(const char *cgroup, const char *cached_root, const char **shifted); |
e9174f29 | 110 | int cg_pid_get_path_shifted(pid_t pid, const char *cached_root, char **cgroup); |
6c03089c | 111 | |
7027ff61 | 112 | int cg_pid_get_session(pid_t pid, char **session); |
ae018d9b | 113 | int cg_pid_get_owner_uid(pid_t pid, uid_t *uid); |
ba1261bc | 114 | int cg_pid_get_unit(pid_t pid, char **unit); |
ef1673d1 | 115 | int cg_pid_get_user_unit(pid_t pid, char **unit); |
7027ff61 | 116 | int cg_pid_get_machine_name(pid_t pid, char **machine); |
1021b21b | 117 | int cg_pid_get_slice(pid_t pid, char **slice); |
329ac4bc | 118 | int cg_pid_get_user_slice(pid_t pid, char **slice); |
1f73f0f1 | 119 | |
7027ff61 | 120 | int cg_path_decode_unit(const char *cgroup, char **unit); |
96cde13a | 121 | |
ae018d9b | 122 | char *cg_escape(const char *p); |
44a6b1b6 | 123 | char *cg_unescape(const char *p) _pure_; |
78edb35a | 124 | |
185a0874 | 125 | bool cg_controller_is_valid(const char *p); |
a016b922 LP |
126 | |
127 | int cg_slice_to_path(const char *unit, char **ret); | |
4ad49000 | 128 | |
03b90d4b LP |
129 | typedef const char* (*cg_migrate_callback_t)(CGroupControllerMask mask, void *userdata); |
130 | ||
13b84ec7 | 131 | int cg_create_everywhere(CGroupControllerMask supported, CGroupControllerMask mask, const char *path); |
7b3fd631 LP |
132 | int cg_attach_everywhere(CGroupControllerMask supported, const char *path, pid_t pid, cg_migrate_callback_t callback, void *userdata); |
133 | int cg_attach_many_everywhere(CGroupControllerMask supported, const char *path, Set* pids, cg_migrate_callback_t callback, void *userdata); | |
03b90d4b | 134 | int cg_migrate_everywhere(CGroupControllerMask supported, const char *from, const char *to, cg_migrate_callback_t callback, void *userdata); |
13b84ec7 | 135 | int cg_trim_everywhere(CGroupControllerMask supported, const char *path, bool delete_root); |
4ad49000 LP |
136 | |
137 | CGroupControllerMask cg_mask_supported(void); | |
b12afc8c LP |
138 | |
139 | int cg_kernel_controllers(Set *controllers); |