diff options
Diffstat (limited to 'src/core/manager.h')
-rw-r--r-- | src/core/manager.h | 293 |
1 files changed, 0 insertions, 293 deletions
diff --git a/src/core/manager.h b/src/core/manager.h deleted file mode 100644 index 22145024f1..0000000000 --- a/src/core/manager.h +++ /dev/null @@ -1,293 +0,0 @@ -/*-*- 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 <inttypes.h> -#include <stdio.h> -#include <dbus/dbus.h> - -#include "fdset.h" - -/* Enforce upper limit how many names we allow */ -#define MANAGER_MAX_NAMES 131072 /* 128K */ - -typedef struct Manager Manager; -typedef enum WatchType WatchType; -typedef struct Watch Watch; - -typedef enum ManagerExitCode { - MANAGER_RUNNING, - 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; - -enum WatchType { - WATCH_INVALID, - WATCH_SIGNAL, - WATCH_NOTIFY, - WATCH_FD, - WATCH_UNIT_TIMER, - WATCH_JOB_TIMER, - WATCH_MOUNT, - WATCH_SWAP, - WATCH_UDEV, - WATCH_DBUS_WATCH, - WATCH_DBUS_TIMEOUT -}; - -struct Watch { - int fd; - WatchType type; - union { - struct Unit *unit; - struct Job *job; - DBusWatch *bus_watch; - DBusTimeout *bus_timeout; - } data; - bool fd_is_dupped:1; - bool socket_accept:1; -}; - -#include "unit.h" -#include "job.h" -#include "hashmap.h" -#include "list.h" -#include "set.h" -#include "dbus.h" -#include "path-lookup.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]); - - /* To optimize iteration of units that have requires_mounts_for set */ - LIST_HEAD(Unit, has_requires_mounts_for); - - /* 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); - - Hashmap *watch_pids; /* pid => Unit object n:1 */ - - char *notify_socket; - - Watch notify_watch; - Watch signal_watch; - - int epoll_fd; - - unsigned n_snapshots; - - LookupPaths lookup_paths; - Set *unit_path_cache; - - char **environment; - char **default_controllers; - - 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; - - char *generator_unit_path; - char *generator_unit_path_early; - char *generator_unit_path_late; - - /* Data specific to the device subsystem */ - struct udev* udev; - struct udev_monitor* udev_monitor; - Watch udev_watch; - Hashmap *devices_by_sysfs; - - /* Data specific to the mount subsystem */ - FILE *proc_self_mountinfo; - Watch mount_watch; - - /* Data specific to the swap filesystem */ - FILE *proc_swaps; - Hashmap *swaps_by_proc_swaps; - bool request_reload; - Watch swap_watch; - - /* Data specific to the D-Bus subsystem */ - DBusConnection *api_bus, *system_bus; - DBusServer *private_bus; - Set *bus_connections, *bus_connections_for_dispatch; - - DBusMessage *queued_message; /* This is used during reloading: - * before the reload we queue the - * reply message here, and - * afterwards we send it */ - DBusConnection *queued_message_connection; /* The connection to send the queued message on */ - - Hashmap *watch_bus; /* D-Bus names => Unit object n:1 */ - int32_t name_data_slot; - int32_t conn_data_slot; - int32_t subscribed_data_slot; - - 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_bondings; /* path string => CGroupBonding object 1:n */ - char *cgroup_hierarchy; - - usec_t gc_queue_timestamp; - 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_run_queue:1; - bool dispatching_dbus_queue:1; - - bool taint_usr:1; - - bool show_status; - bool confirm_spawn; - - ExecOutput default_std_output, default_std_error; - - struct rlimit *rlimit[RLIMIT_NLIMITS]; - - /* non-zero if we are reloading or reexecuting, */ - int n_reloading; - - unsigned n_installed_jobs; - unsigned n_failed_jobs; - - /* Type=idle pipes */ - int idle_pipe[2]; - - char *switch_root; - char *switch_root_init; -}; - -int manager_new(SystemdRunningAs running_as, Manager **m); -void manager_free(Manager *m); - -int manager_enumerate(Manager *m); -int manager_coldplug(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_job_from_dbus_path(Manager *m, const char *s, Job **_j); - -int manager_load_unit_prepare(Manager *m, const char *name, const char *path, DBusError *e, Unit **_ret); -int manager_load_unit(Manager *m, const char *name, const char *path, DBusError *e, Unit **_ret); -int manager_load_unit_from_dbus_path(Manager *m, const char *s, DBusError *e, Unit **_u); - -int manager_add_job(Manager *m, JobType type, Unit *unit, JobMode mode, bool force, DBusError *e, Job **_ret); -int manager_add_job_by_name(Manager *m, JobType type, const char *name, JobMode mode, bool force, DBusError *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); -unsigned manager_dispatch_run_queue(Manager *m); -unsigned manager_dispatch_dbus_queue(Manager *m); - -int manager_set_default_controllers(Manager *m, char **controllers); -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); -void manager_dispatch_bus_query_pid_done(Manager *m, const char *name, pid_t pid); - -int manager_open_serialization(Manager *m, FILE **_f); - -int manager_serialize(Manager *m, FILE *f, FDSet *fds, bool serialize_jobs); -int manager_deserialize(Manager *m, FILE *f, FDSet *fds); - -int manager_reload(Manager *m); - -bool manager_is_booting_or_shutting_down(Manager *m); - -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_pending_inactive(Manager *m, const char *name); - -void manager_check_finished(Manager *m); - -void manager_run_generators(Manager *m); -void manager_undo_generators(Manager *m); - -void manager_recheck_journal(Manager *m); - -void manager_set_show_status(Manager *m, bool b); -bool manager_get_show_status(Manager *m); |