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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 | ||
4ad49000 | 24 | #include "list.h" |
8e274523 | 25 | |
4ad49000 LP |
26 | typedef struct CGroupContext CGroupContext; |
27 | typedef struct CGroupDeviceAllow CGroupDeviceAllow; | |
28 | typedef struct CGroupBlockIODeviceWeight CGroupBlockIODeviceWeight; | |
29 | typedef struct CGroupBlockIODeviceBandwidth CGroupBlockIODeviceBandwidth; | |
8e274523 | 30 | |
4ad49000 | 31 | typedef enum CGroupDevicePolicy { |
8e274523 | 32 | |
4ad49000 LP |
33 | /* When devices listed, will allow those, plus built-in ones, |
34 | if none are listed will allow everything. */ | |
35 | CGROUP_AUTO, | |
8e274523 | 36 | |
4ad49000 LP |
37 | /* Everything forbidden, except built-in ones and listed ones. */ |
38 | CGROUP_CLOSED, | |
9d58f1db | 39 | |
4ad49000 LP |
40 | /* Everythings forbidden, except for the listed devices */ |
41 | CGROUP_STRICT, | |
9d58f1db | 42 | |
4ad49000 LP |
43 | _CGROUP_DEVICE_POLICY_MAX, |
44 | _CGROUP_DEVICE_POLICY_INVALID = -1 | |
45 | } CGroupDevicePolicy; | |
8e274523 | 46 | |
4ad49000 LP |
47 | struct CGroupDeviceAllow { |
48 | LIST_FIELDS(CGroupDeviceAllow, device_allow); | |
49 | char *path; | |
50 | bool r:1; | |
51 | bool w:1; | |
52 | bool m:1; | |
53 | }; | |
8c6db833 | 54 | |
4ad49000 LP |
55 | struct CGroupBlockIODeviceWeight { |
56 | LIST_FIELDS(CGroupBlockIODeviceWeight, device_weights); | |
57 | char *path; | |
58 | unsigned long weight; | |
8e274523 LP |
59 | }; |
60 | ||
4ad49000 LP |
61 | struct CGroupBlockIODeviceBandwidth { |
62 | LIST_FIELDS(CGroupBlockIODeviceBandwidth, device_bandwidths); | |
63 | char *path; | |
64 | uint64_t bandwidth; | |
65 | bool read; | |
66 | }; | |
8e274523 | 67 | |
4ad49000 LP |
68 | struct CGroupContext { |
69 | bool cpu_accounting; | |
70 | bool blockio_accounting; | |
71 | bool memory_accounting; | |
8e274523 | 72 | |
4ad49000 | 73 | unsigned long cpu_shares; |
95ae05c0 | 74 | unsigned long startup_cpu_shares; |
b2f8b02e | 75 | usec_t cpu_quota_per_sec_usec; |
8e274523 | 76 | |
4ad49000 | 77 | unsigned long blockio_weight; |
95ae05c0 | 78 | unsigned long startup_blockio_weight; |
4ad49000 LP |
79 | LIST_HEAD(CGroupBlockIODeviceWeight, blockio_device_weights); |
80 | LIST_HEAD(CGroupBlockIODeviceBandwidth, blockio_device_bandwidths); | |
246aa6dd | 81 | |
4ad49000 | 82 | uint64_t memory_limit; |
64747e2d | 83 | |
4ad49000 LP |
84 | CGroupDevicePolicy device_policy; |
85 | LIST_HEAD(CGroupDeviceAllow, device_allow); | |
a931ad47 LP |
86 | |
87 | bool delegate; | |
4ad49000 | 88 | }; |
64747e2d | 89 | |
4ad49000 LP |
90 | #include "unit.h" |
91 | #include "manager.h" | |
92 | #include "cgroup-util.h" | |
8e274523 | 93 | |
4ad49000 LP |
94 | void cgroup_context_init(CGroupContext *c); |
95 | void cgroup_context_done(CGroupContext *c); | |
96 | void cgroup_context_dump(CGroupContext *c, FILE* f, const char *prefix); | |
db785129 | 97 | void cgroup_context_apply(CGroupContext *c, CGroupControllerMask mask, const char *path, ManagerState state); |
bc432dc7 | 98 | |
db785129 | 99 | CGroupControllerMask cgroup_context_get_mask(CGroupContext *c); |
fb385181 | 100 | |
4ad49000 LP |
101 | void cgroup_context_free_device_allow(CGroupContext *c, CGroupDeviceAllow *a); |
102 | void cgroup_context_free_blockio_device_weight(CGroupContext *c, CGroupBlockIODeviceWeight *w); | |
103 | void cgroup_context_free_blockio_device_bandwidth(CGroupContext *c, CGroupBlockIODeviceBandwidth *b); | |
8e274523 | 104 | |
bc432dc7 LP |
105 | CGroupControllerMask unit_get_cgroup_mask(Unit *u); |
106 | CGroupControllerMask unit_get_siblings_mask(Unit *u); | |
107 | CGroupControllerMask unit_get_members_mask(Unit *u); | |
108 | CGroupControllerMask unit_get_target_mask(Unit *u); | |
109 | ||
110 | void unit_update_cgroup_members_masks(Unit *u); | |
0a1eb06d | 111 | int unit_realize_cgroup(Unit *u); |
b1491eba | 112 | void unit_destroy_cgroup_if_empty(Unit *u); |
7b3fd631 | 113 | int unit_attach_pids_to_cgroup(Unit *u); |
8e274523 | 114 | |
4ad49000 LP |
115 | int manager_setup_cgroup(Manager *m); |
116 | void manager_shutdown_cgroup(Manager *m, bool delete); | |
6dde1f33 | 117 | |
4ad49000 | 118 | unsigned manager_dispatch_cgroup_queue(Manager *m); |
4fbf50b3 | 119 | |
4ad49000 LP |
120 | Unit *manager_get_unit_by_cgroup(Manager *m, const char *cgroup); |
121 | Unit* manager_get_unit_by_pid(Manager *m, pid_t pid); | |
8e274523 | 122 | |
4ad49000 | 123 | pid_t unit_search_main_pid(Unit *u); |
8e274523 | 124 | |
4ad49000 | 125 | int manager_notify_cgroup_empty(Manager *m, const char *group); |
8e274523 | 126 | |
4ad49000 LP |
127 | const char* cgroup_device_policy_to_string(CGroupDevicePolicy i) _const_; |
128 | CGroupDevicePolicy cgroup_device_policy_from_string(const char *s) _pure_; |