diff options
author | Luke Shumaker <lukeshu@sbcglobal.net> | 2016-06-07 03:42:28 -0400 |
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committer | Luke Shumaker <lukeshu@sbcglobal.net> | 2016-06-07 03:42:28 -0400 |
commit | ab543cb05387d60a23f9d7672a9338cf03bddf55 (patch) | |
tree | 2eac9cecf19b4a07e4805d41a492554c21ce8e3c /src/libcore/cgroup.h | |
parent | acd190019d99fe25abf4515ca1834eb277161833 (diff) |
./move.sh
Diffstat (limited to 'src/libcore/cgroup.h')
-rw-r--r-- | src/libcore/cgroup.h | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/src/libcore/cgroup.h b/src/libcore/cgroup.h new file mode 100644 index 0000000000..360bbca30f --- /dev/null +++ b/src/libcore/cgroup.h @@ -0,0 +1,155 @@ +#pragma once + +/*** + This file is part of systemd. + + Copyright 2013 Lennart Poettering + + systemd is free software; you can redistribute it and/or modify it + under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation; either version 2.1 of the License, or + (at your option) any later version. + + systemd is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with systemd; If not, see <http://www.gnu.org/licenses/>. +***/ + +#include <stdbool.h> + +#include "list.h" +#include "time-util.h" + +typedef struct CGroupContext CGroupContext; +typedef struct CGroupDeviceAllow CGroupDeviceAllow; +typedef struct CGroupBlockIODeviceWeight CGroupBlockIODeviceWeight; +typedef struct CGroupBlockIODeviceBandwidth CGroupBlockIODeviceBandwidth; + +typedef enum CGroupDevicePolicy { + + /* When devices listed, will allow those, plus built-in ones, + if none are listed will allow everything. */ + CGROUP_AUTO, + + /* Everything forbidden, except built-in ones and listed ones. */ + CGROUP_CLOSED, + + /* Everythings forbidden, except for the listed devices */ + CGROUP_STRICT, + + _CGROUP_DEVICE_POLICY_MAX, + _CGROUP_DEVICE_POLICY_INVALID = -1 +} CGroupDevicePolicy; + +struct CGroupDeviceAllow { + LIST_FIELDS(CGroupDeviceAllow, device_allow); + char *path; + bool r:1; + bool w:1; + bool m:1; +}; + +struct CGroupBlockIODeviceWeight { + LIST_FIELDS(CGroupBlockIODeviceWeight, device_weights); + char *path; + uint64_t weight; +}; + +struct CGroupBlockIODeviceBandwidth { + LIST_FIELDS(CGroupBlockIODeviceBandwidth, device_bandwidths); + char *path; + uint64_t bandwidth; + bool read; +}; + +struct CGroupContext { + bool cpu_accounting; + bool blockio_accounting; + bool memory_accounting; + bool tasks_accounting; + + uint64_t cpu_shares; + uint64_t startup_cpu_shares; + usec_t cpu_quota_per_sec_usec; + + uint64_t blockio_weight; + uint64_t startup_blockio_weight; + LIST_HEAD(CGroupBlockIODeviceWeight, blockio_device_weights); + LIST_HEAD(CGroupBlockIODeviceBandwidth, blockio_device_bandwidths); + + uint64_t memory_limit; + + CGroupDevicePolicy device_policy; + LIST_HEAD(CGroupDeviceAllow, device_allow); + + uint64_t tasks_max; + + bool delegate; +}; + +#include "cgroup-util.h" +#include "unit.h" + +void cgroup_context_init(CGroupContext *c); +void cgroup_context_done(CGroupContext *c); +void cgroup_context_dump(CGroupContext *c, FILE* f, const char *prefix); +void cgroup_context_apply(CGroupContext *c, CGroupMask mask, const char *path, ManagerState state); + +CGroupMask cgroup_context_get_mask(CGroupContext *c); + +void cgroup_context_free_device_allow(CGroupContext *c, CGroupDeviceAllow *a); +void cgroup_context_free_blockio_device_weight(CGroupContext *c, CGroupBlockIODeviceWeight *w); +void cgroup_context_free_blockio_device_bandwidth(CGroupContext *c, CGroupBlockIODeviceBandwidth *b); + +CGroupMask unit_get_own_mask(Unit *u); +CGroupMask unit_get_siblings_mask(Unit *u); +CGroupMask unit_get_members_mask(Unit *u); +CGroupMask unit_get_subtree_mask(Unit *u); + +CGroupMask unit_get_target_mask(Unit *u); +CGroupMask unit_get_enable_mask(Unit *u); + +void unit_update_cgroup_members_masks(Unit *u); + +char *unit_default_cgroup_path(Unit *u); +int unit_set_cgroup_path(Unit *u, const char *path); + +int unit_realize_cgroup(Unit *u); +void unit_release_cgroup(Unit *u); +void unit_prune_cgroup(Unit *u); +int unit_watch_cgroup(Unit *u); + +int unit_attach_pids_to_cgroup(Unit *u); + +int manager_setup_cgroup(Manager *m); +void manager_shutdown_cgroup(Manager *m, bool delete); + +unsigned manager_dispatch_cgroup_queue(Manager *m); + +Unit *manager_get_unit_by_cgroup(Manager *m, const char *cgroup); +Unit *manager_get_unit_by_pid_cgroup(Manager *m, pid_t pid); +Unit* manager_get_unit_by_pid(Manager *m, pid_t pid); + +int unit_search_main_pid(Unit *u, pid_t *ret); +int unit_watch_all_pids(Unit *u); + +int unit_get_memory_current(Unit *u, uint64_t *ret); +int unit_get_tasks_current(Unit *u, uint64_t *ret); +int unit_get_cpu_usage(Unit *u, nsec_t *ret); +int unit_reset_cpu_usage(Unit *u); + +bool unit_cgroup_delegate(Unit *u); + +int unit_notify_cgroup_empty(Unit *u); +int manager_notify_cgroup_empty(Manager *m, const char *group); + +void unit_invalidate_cgroup(Unit *u, CGroupMask m); + +void manager_invalidate_startup_units(Manager *m); + +const char* cgroup_device_policy_to_string(CGroupDevicePolicy i) _const_; +CGroupDevicePolicy cgroup_device_policy_from_string(const char *s) _pure_; |