+++ /dev/null
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-#pragma once
-
-/***
- This file is part of systemd.
-
- Copyright 2010 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 <stdio.h>
-
-#include "sd-bus.h"
-#include "sd-event.h"
-#include "fdset.h"
-#include "cgroup-util.h"
-#include "hashmap.h"
-#include "list.h"
-#include "ratelimit.h"
-
-/* Enforce upper limit how many names we allow */
-#define MANAGER_MAX_NAMES 131072 /* 128K */
-
-typedef struct Manager Manager;
-
-typedef enum ManagerState {
- MANAGER_INITIALIZING,
- MANAGER_STARTING,
- MANAGER_RUNNING,
- MANAGER_DEGRADED,
- MANAGER_MAINTENANCE,
- MANAGER_STOPPING,
- _MANAGER_STATE_MAX,
- _MANAGER_STATE_INVALID = -1
-} ManagerState;
-
-typedef enum ManagerExitCode {
- MANAGER_OK,
- MANAGER_EXIT,
- MANAGER_RELOAD,
- MANAGER_REEXECUTE,
- MANAGER_REBOOT,
- MANAGER_POWEROFF,
- MANAGER_HALT,
- MANAGER_KEXEC,
- MANAGER_SWITCH_ROOT,
- _MANAGER_EXIT_CODE_MAX,
- _MANAGER_EXIT_CODE_INVALID = -1
-} ManagerExitCode;
-
-typedef enum StatusType {
- STATUS_TYPE_EPHEMERAL,
- STATUS_TYPE_NORMAL,
- STATUS_TYPE_EMERGENCY,
-} StatusType;
-
-#include "job.h"
-#include "path-lookup.h"
-#include "execute.h"
-#include "unit-name.h"
-#include "show-status.h"
-
-struct Manager {
- /* Note that the set of units we know of is allowed to be
- * inconsistent. However the subset of it that is loaded may
- * not, and the list of jobs may neither. */
-
- /* Active jobs and units */
- Hashmap *units; /* name string => Unit object n:1 */
- Hashmap *jobs; /* job id => Job object 1:1 */
-
- /* To make it easy to iterate through the units of a specific
- * type we maintain a per type linked list */
- LIST_HEAD(Unit, units_by_type[_UNIT_TYPE_MAX]);
-
- /* Units that need to be loaded */
- LIST_HEAD(Unit, load_queue); /* this is actually more a stack than a queue, but uh. */
-
- /* Jobs that need to be run */
- LIST_HEAD(Job, run_queue); /* more a stack than a queue, too */
-
- /* Units and jobs that have not yet been announced via
- * D-Bus. When something about a job changes it is added here
- * if it is not in there yet. This allows easy coalescing of
- * D-Bus change signals. */
- LIST_HEAD(Unit, dbus_unit_queue);
- LIST_HEAD(Job, dbus_job_queue);
-
- /* Units to remove */
- LIST_HEAD(Unit, cleanup_queue);
-
- /* Units to check when doing GC */
- LIST_HEAD(Unit, gc_queue);
-
- /* Units that should be realized */
- LIST_HEAD(Unit, cgroup_queue);
-
- sd_event *event;
-
- /* We use two hash tables here, since the same PID might be
- * watched by two different units: once the unit that forked
- * it off, and possibly a different unit to which it was
- * joined as cgroup member. Since we know that it is either
- * one or two units for each PID we just use to hashmaps
- * here. */
- Hashmap *watch_pids1; /* pid => Unit object n:1 */
- Hashmap *watch_pids2; /* pid => Unit object n:1 */
-
- /* A set contains all units which cgroup should be refreshed after startup */
- Set *startup_units;
-
- /* A set which contains all currently failed units */
- Set *failed_units;
-
- sd_event_source *run_queue_event_source;
-
- char *notify_socket;
- int notify_fd;
- sd_event_source *notify_event_source;
-
- int signal_fd;
- sd_event_source *signal_event_source;
-
- int time_change_fd;
- sd_event_source *time_change_event_source;
-
- sd_event_source *jobs_in_progress_event_source;
-
- unsigned n_snapshots;
-
- LookupPaths lookup_paths;
- Set *unit_path_cache;
-
- char **environment;
-
- usec_t runtime_watchdog;
- usec_t shutdown_watchdog;
-
- dual_timestamp firmware_timestamp;
- dual_timestamp loader_timestamp;
- dual_timestamp kernel_timestamp;
- dual_timestamp initrd_timestamp;
- dual_timestamp userspace_timestamp;
- dual_timestamp finish_timestamp;
-
- dual_timestamp security_start_timestamp;
- dual_timestamp security_finish_timestamp;
- dual_timestamp generators_start_timestamp;
- dual_timestamp generators_finish_timestamp;
- dual_timestamp units_load_start_timestamp;
- dual_timestamp units_load_finish_timestamp;
-
- char *generator_unit_path;
- char *generator_unit_path_early;
- char *generator_unit_path_late;
-
- struct udev* udev;
-
- /* Data specific to the device subsystem */
- struct udev_monitor* udev_monitor;
- sd_event_source *udev_event_source;
- Hashmap *devices_by_sysfs;
-
- /* Data specific to the mount subsystem */
- FILE *proc_self_mountinfo;
- sd_event_source *mount_event_source;
- int utab_inotify_fd;
- sd_event_source *mount_utab_event_source;
-
- /* Data specific to the swap filesystem */
- FILE *proc_swaps;
- sd_event_source *swap_event_source;
- Hashmap *swaps_by_devnode;
-
- /* Data specific to the D-Bus subsystem */
- sd_bus *api_bus, *system_bus;
- Set *private_buses;
- int private_listen_fd;
- sd_event_source *private_listen_event_source;
-
- /* Contains all the clients that are subscribed to signals via
- the API bus. Note that private bus connections are always
- considered subscribes, since they last for very short only,
- and it is much simpler that way. */
- sd_bus_track *subscribed;
- char **deserialized_subscribed;
-
- sd_bus_message *queued_message; /* This is used during reloading:
- * before the reload we queue the
- * reply message here, and
- * afterwards we send it */
- sd_bus *queued_message_bus; /* The connection to send the queued message on */
-
- Hashmap *watch_bus; /* D-Bus names => Unit object n:1 */
-
- bool send_reloading_done;
-
- uint32_t current_job_id;
- uint32_t default_unit_job_id;
-
- /* Data specific to the Automount subsystem */
- int dev_autofs_fd;
-
- /* Data specific to the cgroup subsystem */
- Hashmap *cgroup_unit;
- CGroupControllerMask cgroup_supported;
- char *cgroup_root;
-
- int gc_marker;
- unsigned n_in_gc_queue;
-
- /* Make sure the user cannot accidentally unmount our cgroup
- * file system */
- int pin_cgroupfs_fd;
-
- /* Flags */
- SystemdRunningAs running_as;
- ManagerExitCode exit_code:5;
-
- bool dispatching_load_queue:1;
- bool dispatching_dbus_queue:1;
-
- bool taint_usr:1;
- bool first_boot:1;
-
- bool test_run:1;
-
- ShowStatus show_status;
- bool confirm_spawn;
- bool no_console_output;
-
- ExecOutput default_std_output, default_std_error;
-
- usec_t default_restart_usec, default_timeout_start_usec, default_timeout_stop_usec;
-
- usec_t default_start_limit_interval;
- unsigned default_start_limit_burst;
-
- bool default_cpu_accounting;
- bool default_memory_accounting;
- bool default_blockio_accounting;
-
- usec_t default_timer_accuracy_usec;
-
- struct rlimit *rlimit[_RLIMIT_MAX];
-
- /* non-zero if we are reloading or reexecuting, */
- int n_reloading;
-
- unsigned n_installed_jobs;
- unsigned n_failed_jobs;
-
- /* Jobs in progress watching */
- unsigned n_running_jobs;
- unsigned n_on_console;
- unsigned jobs_in_progress_iteration;
-
- /* Do we have any outstanding password prompts? */
- int have_ask_password;
- int ask_password_inotify_fd;
- sd_event_source *ask_password_event_source;
-
- /* Type=idle pipes */
- int idle_pipe[4];
- sd_event_source *idle_pipe_event_source;
-
- char *switch_root;
- char *switch_root_init;
-
- /* This maps all possible path prefixes to the units needing
- * them. It's a hashmap with a path string as key and a Set as
- * value where Unit objects are contained. */
- Hashmap *units_requiring_mounts_for;
-
- /* Reference to the kdbus bus control fd */
- int kdbus_fd;
-
- /* Used for processing polkit authorization responses */
- Hashmap *polkit_registry;
-
- /* When the user hits C-A-D more than 7 times per 2s, reboot immediately... */
- RateLimit ctrl_alt_del_ratelimit;
-};
-
-int manager_new(SystemdRunningAs running_as, bool test_run, Manager **m);
-Manager* manager_free(Manager *m);
-
-int manager_enumerate(Manager *m);
-int manager_startup(Manager *m, FILE *serialization, FDSet *fds);
-
-Job *manager_get_job(Manager *m, uint32_t id);
-Unit *manager_get_unit(Manager *m, const char *name);
-
-int manager_get_unit_by_path(Manager *m, const char *path, const char *suffix, Unit **_found);
-
-int manager_get_job_from_dbus_path(Manager *m, const char *s, Job **_j);
-
-int manager_load_unit_prepare(Manager *m, const char *name, const char *path, sd_bus_error *e, Unit **_ret);
-int manager_load_unit(Manager *m, const char *name, const char *path, sd_bus_error *e, Unit **_ret);
-int manager_load_unit_from_dbus_path(Manager *m, const char *s, sd_bus_error *e, Unit **_u);
-
-int manager_add_job(Manager *m, JobType type, Unit *unit, JobMode mode, bool force, sd_bus_error *e, Job **_ret);
-int manager_add_job_by_name(Manager *m, JobType type, const char *name, JobMode mode, bool force, sd_bus_error *e, Job **_ret);
-
-void manager_dump_units(Manager *s, FILE *f, const char *prefix);
-void manager_dump_jobs(Manager *s, FILE *f, const char *prefix);
-
-void manager_clear_jobs(Manager *m);
-
-unsigned manager_dispatch_load_queue(Manager *m);
-
-int manager_environment_add(Manager *m, char **minus, char **plus);
-int manager_set_default_rlimits(Manager *m, struct rlimit **default_rlimit);
-
-int manager_loop(Manager *m);
-
-void manager_dispatch_bus_name_owner_changed(Manager *m, const char *name, const char* old_owner, const char *new_owner);
-
-int manager_open_serialization(Manager *m, FILE **_f);
-
-int manager_serialize(Manager *m, FILE *f, FDSet *fds, bool switching_root);
-int manager_deserialize(Manager *m, FILE *f, FDSet *fds);
-
-int manager_reload(Manager *m);
-
-bool manager_is_reloading_or_reexecuting(Manager *m) _pure_;
-
-void manager_reset_failed(Manager *m);
-
-void manager_send_unit_audit(Manager *m, Unit *u, int type, bool success);
-void manager_send_unit_plymouth(Manager *m, Unit *u);
-
-bool manager_unit_inactive_or_pending(Manager *m, const char *name);
-
-void manager_check_finished(Manager *m);
-
-void manager_recheck_journal(Manager *m);
-
-void manager_set_show_status(Manager *m, ShowStatus mode);
-void manager_set_first_boot(Manager *m, bool b);
-
-void manager_status_printf(Manager *m, StatusType type, const char *status, const char *format, ...) _printf_(4,5);
-void manager_flip_auto_status(Manager *m, bool enable);
-
-Set *manager_get_units_requiring_mounts_for(Manager *m, const char *path);
-
-const char *manager_get_runtime_prefix(Manager *m);
-
-ManagerState manager_state(Manager *m);
-
-void manager_update_failed_units(Manager *m, Unit *u, bool failed);
-
-const char *manager_state_to_string(ManagerState m) _const_;
-ManagerState manager_state_from_string(const char *s) _pure_;
~ianmdlvl / elogind.git / blobdiff