#include <stdbool.h>
#include <inttypes.h>
#include <stdio.h>
-#include <dbus/dbus.h>
+#include "sd-bus.h"
+#include "sd-event.h"
#include "fdset.h"
+#include "cgroup-util.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 {
+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_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;
-};
+typedef enum StatusType {
+ STATUS_TYPE_EPHEMERAL,
+ STATUS_TYPE_NORMAL,
+ STATUS_TYPE_EMERGENCY,
+} StatusType;
#include "unit.h"
#include "job.h"
#include "hashmap.h"
#include "list.h"
#include "set.h"
-#include "dbus.h"
#include "path-lookup.h"
+#include "execute.h"
+#include "unit-name.h"
+#include "exit-status.h"
+#include "show-status.h"
+#include "failure-action.h"
struct Manager {
/* Note that the set of units we know of is allowed to be
* 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. */
/* Units to check when doing GC */
LIST_HEAD(Unit, gc_queue);
- Hashmap *watch_pids; /* pid => Unit object n:1 */
+ /* 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;
- Watch notify_watch;
- Watch signal_watch;
+ int time_change_fd;
+ sd_event_source *time_change_event_source;
- int epoll_fd;
+ sd_event_source *jobs_in_progress_event_source;
unsigned n_snapshots;
Set *unit_path_cache;
char **environment;
- char **default_controllers;
usec_t runtime_watchdog;
usec_t shutdown_watchdog;
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;
- /* Data specific to the device subsystem */
struct udev* udev;
+
+ /* Data specific to the device subsystem */
struct udev_monitor* udev_monitor;
- Watch udev_watch;
+ sd_event_source *udev_event_source;
Hashmap *devices_by_sysfs;
/* Data specific to the mount subsystem */
FILE *proc_self_mountinfo;
- Watch mount_watch;
+ 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;
- Hashmap *swaps_by_proc_swaps;
- bool request_reload;
- Watch swap_watch;
+ sd_event_source *swap_event_source;
+ Hashmap *swaps_by_devnode;
/* 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:
+ 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 */
- DBusConnection *queued_message_connection; /* The connection to send the queued message on */
+ sd_bus *queued_message_bus; /* 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;
+
+ bool send_reloading_done;
uint32_t current_job_id;
uint32_t default_unit_job_id;
int dev_autofs_fd;
/* Data specific to the cgroup subsystem */
- Hashmap *cgroup_bondings; /* path string => CGroupBonding object 1:n */
- char *cgroup_hierarchy;
+ Hashmap *cgroup_unit;
+ CGroupControllerMask cgroup_supported;
+ char *cgroup_root;
- usec_t gc_queue_timestamp;
int gc_marker;
unsigned n_in_gc_queue;
* file system */
int pin_cgroupfs_fd;
- /* Audit fd */
-#ifdef HAVE_AUDIT
- int audit_fd;
-#endif
-
/* 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 first_boot:1;
+
+ bool test_run:1;
- bool show_status;
+ ShowStatus show_status;
bool confirm_spawn;
+ bool no_console_output;
ExecOutput default_std_output, default_std_error;
- struct rlimit *rlimit[RLIMIT_NLIMITS];
+ 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[2];
+ 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;
};
-int manager_new(SystemdRunningAs running_as, Manager **m);
-void manager_free(Manager *m);
+int manager_new(SystemdRunningAs running_as, bool test_run, Manager **m);
+Manager* 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_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, 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_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, 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);
+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);
-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_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);
-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_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_booting_or_shutting_down(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_pending_inactive(Manager *m, const char *name);
+bool manager_unit_inactive_or_pending(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);
+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);
+
+const char *manager_state_to_string(ManagerState m) _const_;
+ManagerState manager_state_from_string(const char *s) _pure_;