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03467c88 | 1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
8e274523 | 2 | |
c2f1db8f | 3 | #pragma once |
8e274523 LP |
4 | |
5 | /*** | |
6 | This file is part of systemd. | |
7 | ||
4ad49000 | 8 | Copyright 2013 Lennart Poettering |
8e274523 LP |
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 | |
8e274523 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. |
8e274523 | 19 | |
5430f7f2 | 20 | You should have received a copy of the GNU Lesser General Public License |
8e274523 LP |
21 | along with systemd; If not, see <http://www.gnu.org/licenses/>. |
22 | ***/ | |
23 | ||
c1ff5570 TA |
24 | #include <stdbool.h> |
25 | ||
4ad49000 | 26 | #include "list.h" |
c1ff5570 | 27 | #include "time-util.h" |
8e274523 | 28 | |
4ad49000 LP |
29 | typedef struct CGroupContext CGroupContext; |
30 | typedef struct CGroupDeviceAllow CGroupDeviceAllow; | |
31 | typedef struct CGroupBlockIODeviceWeight CGroupBlockIODeviceWeight; | |
32 | typedef struct CGroupBlockIODeviceBandwidth CGroupBlockIODeviceBandwidth; | |
8e274523 | 33 | |
4ad49000 | 34 | typedef enum CGroupDevicePolicy { |
8e274523 | 35 | |
4ad49000 LP |
36 | /* When devices listed, will allow those, plus built-in ones, |
37 | if none are listed will allow everything. */ | |
38 | CGROUP_AUTO, | |
8e274523 | 39 | |
4ad49000 LP |
40 | /* Everything forbidden, except built-in ones and listed ones. */ |
41 | CGROUP_CLOSED, | |
9d58f1db | 42 | |
4ad49000 LP |
43 | /* Everythings forbidden, except for the listed devices */ |
44 | CGROUP_STRICT, | |
9d58f1db | 45 | |
4ad49000 LP |
46 | _CGROUP_DEVICE_POLICY_MAX, |
47 | _CGROUP_DEVICE_POLICY_INVALID = -1 | |
48 | } CGroupDevicePolicy; | |
8e274523 | 49 | |
4ad49000 LP |
50 | struct CGroupDeviceAllow { |
51 | LIST_FIELDS(CGroupDeviceAllow, device_allow); | |
52 | char *path; | |
53 | bool r:1; | |
54 | bool w:1; | |
55 | bool m:1; | |
56 | }; | |
8c6db833 | 57 | |
4ad49000 LP |
58 | struct CGroupBlockIODeviceWeight { |
59 | LIST_FIELDS(CGroupBlockIODeviceWeight, device_weights); | |
60 | char *path; | |
61 | unsigned long weight; | |
8e274523 LP |
62 | }; |
63 | ||
4ad49000 LP |
64 | struct CGroupBlockIODeviceBandwidth { |
65 | LIST_FIELDS(CGroupBlockIODeviceBandwidth, device_bandwidths); | |
66 | char *path; | |
67 | uint64_t bandwidth; | |
68 | bool read; | |
69 | }; | |
8e274523 | 70 | |
4ad49000 LP |
71 | struct CGroupContext { |
72 | bool cpu_accounting; | |
73 | bool blockio_accounting; | |
74 | bool memory_accounting; | |
8e274523 | 75 | |
4ad49000 | 76 | unsigned long cpu_shares; |
95ae05c0 | 77 | unsigned long startup_cpu_shares; |
b2f8b02e | 78 | usec_t cpu_quota_per_sec_usec; |
8e274523 | 79 | |
4ad49000 | 80 | unsigned long blockio_weight; |
95ae05c0 | 81 | unsigned long startup_blockio_weight; |
4ad49000 LP |
82 | LIST_HEAD(CGroupBlockIODeviceWeight, blockio_device_weights); |
83 | LIST_HEAD(CGroupBlockIODeviceBandwidth, blockio_device_bandwidths); | |
246aa6dd | 84 | |
4ad49000 | 85 | uint64_t memory_limit; |
64747e2d | 86 | |
4ad49000 LP |
87 | CGroupDevicePolicy device_policy; |
88 | LIST_HEAD(CGroupDeviceAllow, device_allow); | |
a931ad47 LP |
89 | |
90 | bool delegate; | |
4ad49000 | 91 | }; |
64747e2d | 92 | |
4ad49000 | 93 | #include "unit.h" |
4ad49000 | 94 | #include "cgroup-util.h" |
8e274523 | 95 | |
4ad49000 LP |
96 | void cgroup_context_init(CGroupContext *c); |
97 | void cgroup_context_done(CGroupContext *c); | |
98 | void cgroup_context_dump(CGroupContext *c, FILE* f, const char *prefix); | |
db785129 | 99 | void cgroup_context_apply(CGroupContext *c, CGroupControllerMask mask, const char *path, ManagerState state); |
bc432dc7 | 100 | |
db785129 | 101 | CGroupControllerMask cgroup_context_get_mask(CGroupContext *c); |
fb385181 | 102 | |
4ad49000 LP |
103 | void cgroup_context_free_device_allow(CGroupContext *c, CGroupDeviceAllow *a); |
104 | void cgroup_context_free_blockio_device_weight(CGroupContext *c, CGroupBlockIODeviceWeight *w); | |
105 | void cgroup_context_free_blockio_device_bandwidth(CGroupContext *c, CGroupBlockIODeviceBandwidth *b); | |
8e274523 | 106 | |
bc432dc7 LP |
107 | CGroupControllerMask unit_get_cgroup_mask(Unit *u); |
108 | CGroupControllerMask unit_get_siblings_mask(Unit *u); | |
109 | CGroupControllerMask unit_get_members_mask(Unit *u); | |
110 | CGroupControllerMask unit_get_target_mask(Unit *u); | |
111 | ||
112 | void unit_update_cgroup_members_masks(Unit *u); | |
0a1eb06d | 113 | int unit_realize_cgroup(Unit *u); |
b1491eba | 114 | void unit_destroy_cgroup_if_empty(Unit *u); |
7b3fd631 | 115 | int unit_attach_pids_to_cgroup(Unit *u); |
8e274523 | 116 | |
4ad49000 LP |
117 | int manager_setup_cgroup(Manager *m); |
118 | void manager_shutdown_cgroup(Manager *m, bool delete); | |
6dde1f33 | 119 | |
4ad49000 | 120 | unsigned manager_dispatch_cgroup_queue(Manager *m); |
4fbf50b3 | 121 | |
4ad49000 LP |
122 | Unit *manager_get_unit_by_cgroup(Manager *m, const char *cgroup); |
123 | Unit* manager_get_unit_by_pid(Manager *m, pid_t pid); | |
8e274523 | 124 | |
4ad49000 | 125 | pid_t unit_search_main_pid(Unit *u); |
8e274523 | 126 | |
4ad49000 | 127 | int manager_notify_cgroup_empty(Manager *m, const char *group); |
8e274523 | 128 | |
5ad096b3 LP |
129 | int unit_get_memory_current(Unit *u, uint64_t *ret); |
130 | int unit_get_cpu_usage(Unit *u, nsec_t *ret); | |
131 | int unit_reset_cpu_usage(Unit *u); | |
132 | ||
4ad49000 LP |
133 | const char* cgroup_device_policy_to_string(CGroupDevicePolicy i) _const_; |
134 | CGroupDevicePolicy cgroup_device_policy_from_string(const char *s) _pure_; |