+++ /dev/null
-/*-*- Mode: C; c-basic-offset: 8 -*-*/
-
-#ifndef foomanagerhfoo
-#define foomanagerhfoo
-
-/***
- 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 General Public License as published by
- the Free Software Foundation; either version 2 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
- General Public License for more details.
-
- You should have received a copy of the GNU 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 2048
-
-typedef struct Manager Manager;
-typedef enum WatchType WatchType;
-typedef struct Watch Watch;
-
-typedef enum ManagerExitCode {
- MANAGER_RUNNING,
- MANAGER_EXIT,
- MANAGER_RELOAD,
- MANAGER_REEXECUTE,
- _MANAGER_EXIT_CODE_MAX,
- _MANAGER_EXIT_CODE_INVALID = -1
-} ManagerExitCode;
-
-typedef enum ManagerRunningAs {
- MANAGER_INIT, /* root and pid=1 */
- MANAGER_SYSTEM, /* root and pid!=1 */
- MANAGER_SESSION, /* non-root, for a session */
- _MANAGER_RUNNING_AS_MAX,
- _MANAGER_RUNNING_AS_INVALID = -1
-} ManagerRunningAs;
-
-enum WatchType {
- WATCH_INVALID,
- WATCH_SIGNAL,
- WATCH_FD,
- WATCH_TIMER,
- WATCH_MOUNT,
- WATCH_UDEV,
- WATCH_DBUS_WATCH,
- WATCH_DBUS_TIMEOUT
-};
-
-struct Watch {
- int fd;
- WatchType type;
- union {
- union Unit *unit;
- 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"
-
-#define SPECIAL_DEFAULT_TARGET "default.target"
-
-/* This is not really intended to be started by directly. This is
- * mostly so that other targets (reboot/halt/poweroff) can depend on
- * it to bring all services down that want to be brought down on
- * system shutdown. */
-#define SPECIAL_SHUTDOWN_TARGET "shutdown.target"
-
-#define SPECIAL_LOGGER_SOCKET "systemd-logger.socket"
-
-#define SPECIAL_KBREQUEST_TARGET "kbrequest.target"
-#define SPECIAL_SIGPWR_TARGET "sigpwr.target"
-#define SPECIAL_CTRL_ALT_DEL_TARGET "ctrl-alt-del.target"
-
-#define SPECIAL_LOCAL_FS_TARGET "local-fs.target"
-#define SPECIAL_REMOTE_FS_TARGET "remote-fs.target"
-#define SPECIAL_SWAP_TARGET "swap.target"
-#define SPECIAL_NETWORK_TARGET "network.target"
-#define SPECIAL_NSS_LOOKUP_TARGET "nss-lookup.target" /* LSB's $named */
-#define SPECIAL_RPCBIND_TARGET "rpcbind.target" /* LSB's $portmap */
-#define SPECIAL_SYSLOG_TARGET "syslog.target" /* Should pull in syslog.socket or syslog.service */
-#define SPECIAL_RTC_SET_TARGET "rtc-set.target" /* LSB's $time */
-
-#define SPECIAL_BASIC_TARGET "basic.target"
-#define SPECIAL_RESCUE_TARGET "rescue.target"
-
-#ifndef SPECIAL_DBUS_SERVICE
-#define SPECIAL_DBUS_SERVICE "dbus.service"
-#endif
-
-#ifndef SPECIAL_SYSLOG_SERVICE
-#define SPECIAL_SYSLOG_SERVICE "syslog.service"
-#endif
-
-/* For SysV compatibility. Usually an alias for a saner target. On
- * SysV-free systems this doesn't exist. */
-#define SPECIAL_RUNLEVEL0_TARGET "runlevel0.target"
-#define SPECIAL_RUNLEVEL1_TARGET "runlevel1.target"
-#define SPECIAL_RUNLEVEL2_TARGET "runlevel2.target"
-#define SPECIAL_RUNLEVEL3_TARGET "runlevel3.target"
-#define SPECIAL_RUNLEVEL4_TARGET "runlevel4.target"
-#define SPECIAL_RUNLEVEL5_TARGET "runlevel5.target"
-#define SPECIAL_RUNLEVEL6_TARGET "runlevel6.target"
-
-struct Manager {
- uint32_t current_job_id;
-
- /* Note that the set of units we know of is allowed to be
- * incosistent. 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(Meta, units_per_type[_UNIT_TYPE_MAX]);
-
- /* Units that need to be loaded */
- LIST_HEAD(Meta, 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(Meta, dbus_unit_queue);
- LIST_HEAD(Job, dbus_job_queue);
-
- /* Units to remove */
- LIST_HEAD(Meta, cleanup_queue);
-
- /* Units to check when doing GC */
- LIST_HEAD(Meta, gc_queue);
-
- /* Jobs to be added */
- Hashmap *transaction_jobs; /* Unit object => Job object list 1:1 */
- JobDependency *transaction_anchor;
-
- Hashmap *watch_pids; /* pid => Unit object n:1 */
-
- Watch signal_watch;
-
- int epoll_fd;
-
- unsigned n_snapshots;
-
- char **unit_path;
- char **sysvinit_path;
- char **sysvrcnd_path;
-
- char **environment;
-
- usec_t boot_timestamp;
-
- /* Data specific to the device subsystem */
- struct udev* udev;
- struct udev_monitor* udev_monitor;
- Watch udev_watch;
-
- /* Data specific to the mount subsystem */
- FILE *proc_self_mountinfo;
- Watch mount_watch;
-
- /* Data specific to the swap filesystem */
- FILE *proc_swaps;
-
- /* Data specific to the D-Bus subsystem */
- DBusConnection *api_bus, *system_bus;
- Set *subscribed;
- DBusMessage *queued_message; /* This is used during reloading:
- * before the reload we queue the
- * reply message here, and
- * afterwards we send it */
-
- Hashmap *watch_bus; /* D-Bus names => Unit object n:1 */
- int32_t name_data_slot;
-
- /* 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_controller;
- char *cgroup_hierarchy;
-
- usec_t gc_queue_timestamp;
-
- int gc_marker;
- unsigned n_in_gc_queue;
-
- /* Flags */
- ManagerRunningAs running_as;
- ManagerExitCode exit_code:4;
-
- bool dispatching_load_queue:1;
- bool dispatching_run_queue:1;
- bool dispatching_dbus_queue:1;
-
- bool request_api_bus_dispatch:1;
- bool request_system_bus_dispatch:1;
-
- bool utmp_reboot_written:1;
-
- bool confirm_spawn:1;
-};
-
-int manager_new(ManagerRunningAs running_as, bool confirm_spawn, 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_unit_from_dbus_path(Manager *m, const char *s, Unit **_u);
-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, Unit **_ret);
-int manager_load_unit(Manager *m, const char *name, const char *path, Unit **_ret);
-
-int manager_add_job(Manager *m, JobType type, Unit *unit, JobMode mode, bool force, Job **_ret);
-int manager_add_job_by_name(Manager *m, JobType type, const char *name, JobMode mode, bool force, 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_transaction_unlink_job(Manager *m, Job *j, bool delete_dependencies);
-
-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_loop(Manager *m);
-
-void manager_write_utmp_reboot(Manager *m);
-void manager_write_utmp_runlevel(Manager *m, Unit *t);
-
-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(FILE **_f);
-
-int manager_serialize(Manager *m, FILE *f, FDSet *fds);
-int manager_deserialize(Manager *m, FILE *f, FDSet *fds);
-
-int manager_reload(Manager *m);
-
-const char *manager_running_as_to_string(ManagerRunningAs i);
-ManagerRunningAs manager_running_as_from_string(const char *s);
-
-#endif
~ianmdlvl / elogind.git / blobdiff