4 This file is part of systemd.
6 Copyright 2013 Lennart Poettering
8 systemd is free software; you can redistribute it and/or modify it
9 under the terms of the GNU Lesser General Public License as published by
10 the Free Software Foundation; either version 2.1 of the License, or
11 (at your option) any later version.
13 systemd is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 Lesser General Public License for more details.
18 You should have received a copy of the GNU Lesser General Public License
19 along with systemd; If not, see <http://www.gnu.org/licenses/>.
25 //#include "time-util.h"
26 #include "cgroup-util.h"
28 #if 0 /// UNNEEDED by elogind
29 typedef struct CGroupContext CGroupContext;
30 typedef struct CGroupDeviceAllow CGroupDeviceAllow;
31 typedef struct CGroupIODeviceWeight CGroupIODeviceWeight;
32 typedef struct CGroupIODeviceLimit CGroupIODeviceLimit;
33 typedef struct CGroupBlockIODeviceWeight CGroupBlockIODeviceWeight;
34 typedef struct CGroupBlockIODeviceBandwidth CGroupBlockIODeviceBandwidth;
36 typedef enum CGroupDevicePolicy {
38 /* When devices listed, will allow those, plus built-in ones,
39 if none are listed will allow everything. */
42 /* Everything forbidden, except built-in ones and listed ones. */
45 /* Everythings forbidden, except for the listed devices */
48 _CGROUP_DEVICE_POLICY_MAX,
49 _CGROUP_DEVICE_POLICY_INVALID = -1
52 struct CGroupDeviceAllow {
53 LIST_FIELDS(CGroupDeviceAllow, device_allow);
60 struct CGroupIODeviceWeight {
61 LIST_FIELDS(CGroupIODeviceWeight, device_weights);
66 struct CGroupIODeviceLimit {
67 LIST_FIELDS(CGroupIODeviceLimit, device_limits);
69 uint64_t limits[_CGROUP_IO_LIMIT_TYPE_MAX];
72 struct CGroupBlockIODeviceWeight {
73 LIST_FIELDS(CGroupBlockIODeviceWeight, device_weights);
78 struct CGroupBlockIODeviceBandwidth {
79 LIST_FIELDS(CGroupBlockIODeviceBandwidth, device_bandwidths);
85 struct CGroupContext {
88 bool blockio_accounting;
89 bool memory_accounting;
90 bool tasks_accounting;
92 /* For unified hierarchy */
94 uint64_t startup_cpu_weight;
95 usec_t cpu_quota_per_sec_usec;
98 uint64_t startup_io_weight;
99 LIST_HEAD(CGroupIODeviceWeight, io_device_weights);
100 LIST_HEAD(CGroupIODeviceLimit, io_device_limits);
103 uint64_t memory_high;
105 uint64_t memory_swap_max;
107 /* For legacy hierarchies */
109 uint64_t startup_cpu_shares;
111 uint64_t blockio_weight;
112 uint64_t startup_blockio_weight;
113 LIST_HEAD(CGroupBlockIODeviceWeight, blockio_device_weights);
114 LIST_HEAD(CGroupBlockIODeviceBandwidth, blockio_device_bandwidths);
116 uint64_t memory_limit;
118 CGroupDevicePolicy device_policy;
119 LIST_HEAD(CGroupDeviceAllow, device_allow);
129 void cgroup_context_init(CGroupContext *c);
130 void cgroup_context_done(CGroupContext *c);
131 void cgroup_context_dump(CGroupContext *c, FILE* f, const char *prefix);
133 CGroupMask cgroup_context_get_mask(CGroupContext *c);
135 void cgroup_context_free_device_allow(CGroupContext *c, CGroupDeviceAllow *a);
136 void cgroup_context_free_io_device_weight(CGroupContext *c, CGroupIODeviceWeight *w);
137 void cgroup_context_free_io_device_limit(CGroupContext *c, CGroupIODeviceLimit *l);
138 void cgroup_context_free_blockio_device_weight(CGroupContext *c, CGroupBlockIODeviceWeight *w);
139 void cgroup_context_free_blockio_device_bandwidth(CGroupContext *c, CGroupBlockIODeviceBandwidth *b);
141 CGroupMask unit_get_own_mask(Unit *u);
142 CGroupMask unit_get_siblings_mask(Unit *u);
143 CGroupMask unit_get_members_mask(Unit *u);
144 CGroupMask unit_get_subtree_mask(Unit *u);
146 CGroupMask unit_get_target_mask(Unit *u);
147 CGroupMask unit_get_enable_mask(Unit *u);
149 void unit_update_cgroup_members_masks(Unit *u);
151 char *unit_default_cgroup_path(Unit *u);
152 int unit_set_cgroup_path(Unit *u, const char *path);
154 int unit_realize_cgroup(Unit *u);
155 void unit_release_cgroup(Unit *u);
156 void unit_prune_cgroup(Unit *u);
157 int unit_watch_cgroup(Unit *u);
159 int unit_attach_pids_to_cgroup(Unit *u);
164 int manager_setup_cgroup(Manager *m);
165 void manager_shutdown_cgroup(Manager *m, bool delete);
167 #if 0 /// UNNEEDED by elogind
168 unsigned manager_dispatch_cgroup_queue(Manager *m);
170 Unit *manager_get_unit_by_cgroup(Manager *m, const char *cgroup);
171 Unit *manager_get_unit_by_pid_cgroup(Manager *m, pid_t pid);
172 Unit* manager_get_unit_by_pid(Manager *m, pid_t pid);
174 int unit_search_main_pid(Unit *u, pid_t *ret);
175 int unit_watch_all_pids(Unit *u);
177 int unit_get_memory_current(Unit *u, uint64_t *ret);
178 int unit_get_tasks_current(Unit *u, uint64_t *ret);
179 int unit_get_cpu_usage(Unit *u, nsec_t *ret);
180 int unit_reset_cpu_usage(Unit *u);
182 bool unit_cgroup_delegate(Unit *u);
184 int unit_notify_cgroup_empty(Unit *u);
186 int manager_notify_cgroup_empty(Manager *m, const char *group);
188 #if 0 /// UNNEEDED by elogind
189 void unit_invalidate_cgroup(Unit *u, CGroupMask m);
191 void manager_invalidate_startup_units(Manager *m);
193 const char* cgroup_device_policy_to_string(CGroupDevicePolicy i) _const_;
194 CGroupDevicePolicy cgroup_device_policy_from_string(const char *s) _pure_;