-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-#ifndef foocgrouphfoo
-#define foocgrouphfoo
+/* SPDX-License-Identifier: LGPL-2.1+ */
+#pragma once
/***
- This file is part of systemd.
+ Copyright 2013 Lennart Poettering
+***/
- Copyright 2010 Lennart Poettering
+#include <stdbool.h>
- 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.
+#include "cgroup-util.h"
+//#include "ip-address-access.h"
+//#include "list.h"
+//#include "time-util.h"
- 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.
+#if 0 /// UNNEEDED by elogind
+typedef struct CGroupContext CGroupContext;
+typedef struct CGroupDeviceAllow CGroupDeviceAllow;
+typedef struct CGroupIODeviceWeight CGroupIODeviceWeight;
+typedef struct CGroupIODeviceLimit CGroupIODeviceLimit;
+typedef struct CGroupBlockIODeviceWeight CGroupBlockIODeviceWeight;
+typedef struct CGroupBlockIODeviceBandwidth CGroupBlockIODeviceBandwidth;
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
+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;
+};
-typedef struct CGroupBonding CGroupBonding;
+struct CGroupIODeviceWeight {
+ LIST_FIELDS(CGroupIODeviceWeight, device_weights);
+ char *path;
+ uint64_t weight;
+};
-#include "unit.h"
+struct CGroupIODeviceLimit {
+ LIST_FIELDS(CGroupIODeviceLimit, device_limits);
+ char *path;
+ uint64_t limits[_CGROUP_IO_LIMIT_TYPE_MAX];
+};
-/* Binds a cgroup to a name */
-struct CGroupBonding {
- char *controller;
+struct CGroupBlockIODeviceWeight {
+ LIST_FIELDS(CGroupBlockIODeviceWeight, device_weights);
char *path;
+ uint64_t weight;
+};
+
+struct CGroupBlockIODeviceBandwidth {
+ LIST_FIELDS(CGroupBlockIODeviceBandwidth, device_bandwidths);
+ char *path;
+ uint64_t rbps;
+ uint64_t wbps;
+};
- Unit *unit;
+struct CGroupContext {
+ bool cpu_accounting;
+ bool io_accounting;
+ bool blockio_accounting;
+ bool memory_accounting;
+ bool tasks_accounting;
+ bool ip_accounting;
- /* For the Unit::cgroup_bondings list */
- LIST_FIELDS(CGroupBonding, by_unit);
+ /* For unified hierarchy */
+ uint64_t cpu_weight;
+ uint64_t startup_cpu_weight;
+ usec_t cpu_quota_per_sec_usec;
- /* For the Manager::cgroup_bondings hashmap */
- LIST_FIELDS(CGroupBonding, by_path);
+ uint64_t io_weight;
+ uint64_t startup_io_weight;
+ LIST_HEAD(CGroupIODeviceWeight, io_device_weights);
+ LIST_HEAD(CGroupIODeviceLimit, io_device_limits);
- /* When shutting down, remove cgroup? Are our own tasks the
- * only ones in this group?*/
- bool ours:1;
+ uint64_t memory_low;
+ uint64_t memory_high;
+ uint64_t memory_max;
+ uint64_t memory_swap_max;
- /* If we cannot create this group, or add a process to it, is this fatal? */
- bool essential:1;
+ LIST_HEAD(IPAddressAccessItem, ip_address_allow);
+ LIST_HEAD(IPAddressAccessItem, ip_address_deny);
- /* This cgroup is realized */
- bool realized:1;
+ /* For legacy hierarchies */
+ uint64_t cpu_shares;
+ uint64_t startup_cpu_shares;
+
+ 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);
+
+ /* Common */
+ uint64_t tasks_max;
+
+ bool delegate;
+ CGroupMask delegate_controllers;
};
-int cgroup_bonding_realize(CGroupBonding *b);
-int cgroup_bonding_realize_list(CGroupBonding *first);
+/* Used when querying IP accounting data */
+typedef enum CGroupIPAccountingMetric {
+ CGROUP_IP_INGRESS_BYTES,
+ CGROUP_IP_INGRESS_PACKETS,
+ CGROUP_IP_EGRESS_BYTES,
+ CGROUP_IP_EGRESS_PACKETS,
+ _CGROUP_IP_ACCOUNTING_METRIC_MAX,
+ _CGROUP_IP_ACCOUNTING_METRIC_INVALID = -1,
+} CGroupIPAccountingMetric;
-void cgroup_bonding_free(CGroupBonding *b, bool trim);
-void cgroup_bonding_free_list(CGroupBonding *first, bool trim);
+typedef struct Unit Unit;
+typedef struct Manager Manager;
-int cgroup_bonding_install(CGroupBonding *b, pid_t pid, const char *suffix);
-int cgroup_bonding_install_list(CGroupBonding *first, pid_t pid, const char *suffix);
+void cgroup_context_init(CGroupContext *c);
+void cgroup_context_done(CGroupContext *c);
+void cgroup_context_dump(CGroupContext *c, FILE* f, const char *prefix);
-int cgroup_bonding_set_group_access(CGroupBonding *b, mode_t mode, uid_t uid, gid_t gid);
-int cgroup_bonding_set_group_access_list(CGroupBonding *b, mode_t mode, uid_t uid, gid_t gid);
+CGroupMask cgroup_context_get_mask(CGroupContext *c);
-int cgroup_bonding_set_task_access(CGroupBonding *b, mode_t mode, uid_t uid, gid_t gid, int sticky);
-int cgroup_bonding_set_task_access_list(CGroupBonding *b, mode_t mode, uid_t uid, gid_t gid, int sticky);
+void cgroup_context_free_device_allow(CGroupContext *c, CGroupDeviceAllow *a);
+void cgroup_context_free_io_device_weight(CGroupContext *c, CGroupIODeviceWeight *w);
+void cgroup_context_free_io_device_limit(CGroupContext *c, CGroupIODeviceLimit *l);
+void cgroup_context_free_blockio_device_weight(CGroupContext *c, CGroupBlockIODeviceWeight *w);
+void cgroup_context_free_blockio_device_bandwidth(CGroupContext *c, CGroupBlockIODeviceBandwidth *b);
-int cgroup_bonding_kill(CGroupBonding *b, int sig, bool sigcont, Set *s, const char *suffix);
-int cgroup_bonding_kill_list(CGroupBonding *first, int sig, bool sigcont, Set *s, const char *suffix);
+CGroupMask unit_get_own_mask(Unit *u);
+CGroupMask unit_get_delegate_mask(Unit *u);
+CGroupMask unit_get_members_mask(Unit *u);
+CGroupMask unit_get_siblings_mask(Unit *u);
+CGroupMask unit_get_subtree_mask(Unit *u);
-void cgroup_bonding_trim(CGroupBonding *first, bool delete_root);
-void cgroup_bonding_trim_list(CGroupBonding *first, bool delete_root);
+CGroupMask unit_get_target_mask(Unit *u);
+CGroupMask unit_get_enable_mask(Unit *u);
-int cgroup_bonding_is_empty(CGroupBonding *b);
-int cgroup_bonding_is_empty_list(CGroupBonding *first);
+bool unit_get_needs_bpf(Unit *u);
-CGroupBonding *cgroup_bonding_find_list(CGroupBonding *first, const char *controller);
+void unit_update_cgroup_members_masks(Unit *u);
-char *cgroup_bonding_to_string(CGroupBonding *b);
+const char *unit_get_realized_cgroup_path(Unit *u, CGroupMask mask);
+char *unit_default_cgroup_path(Unit *u);
+int unit_set_cgroup_path(Unit *u, const char *path);
+int unit_pick_cgroup_path(Unit *u);
-pid_t cgroup_bonding_search_main_pid(CGroupBonding *b);
-pid_t cgroup_bonding_search_main_pid_list(CGroupBonding *b);
+int unit_realize_cgroup(Unit *u);
+void unit_release_cgroup(Unit *u);
+void unit_prune_cgroup(Unit *u);
+int unit_watch_cgroup(Unit *u);
-#include "manager.h"
+void unit_add_to_cgroup_empty_queue(Unit *u);
+
+int unit_attach_pids_to_cgroup(Unit *u, Set *pids, const char *suffix_path);
+#else
+# include "logind.h"
+#endif // 0
int manager_setup_cgroup(Manager *m);
void manager_shutdown_cgroup(Manager *m, bool delete);
-int cgroup_bonding_get(Manager *m, const char *cgroup, CGroupBonding **bonding);
-int cgroup_notify_empty(Manager *m, const char *group);
+#if 0 /// UNNEEDED by elogind
+unsigned manager_dispatch_cgroup_realize_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_synthesize_cgroup_empty_event(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_get_ip_accounting(Unit *u, CGroupIPAccountingMetric metric, uint64_t *ret);
+
+int unit_reset_cpu_accounting(Unit *u);
+int unit_reset_ip_accounting(Unit *u);
+
+#define UNIT_CGROUP_BOOL(u, name) \
+ ({ \
+ CGroupContext *cc = unit_get_cgroup_context(u); \
+ cc ? cc->name : false; \
+ })
+
+#endif // 0
+bool manager_owns_root_cgroup(Manager *m);
+
+#if 0 /// UNNEEDED by elogind
+bool unit_has_root_cgroup(Unit *u);
+#endif // 0
+
+int manager_notify_cgroup_empty(Manager *m, const char *group);
+
+#if 0 /// UNNEEDED by elogind
+void unit_invalidate_cgroup(Unit *u, CGroupMask m);
+void unit_invalidate_cgroup_bpf(Unit *u);
+
+void manager_invalidate_startup_units(Manager *m);
-Unit* cgroup_unit_by_pid(Manager *m, pid_t pid);
+const char* cgroup_device_policy_to_string(CGroupDevicePolicy i) _const_;
+CGroupDevicePolicy cgroup_device_policy_from_string(const char *s) _pure_;
-#endif
+bool unit_cgroup_delegate(Unit *u);
+#endif // 0