/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-#ifndef foounithfoo
-#define foounithfoo
+#pragma once
/***
This file is part of systemd.
#include <stdbool.h>
#include <stdlib.h>
+#include <unistd.h>
typedef struct Unit Unit;
typedef struct UnitVTable UnitVTable;
-typedef enum UnitType UnitType;
-typedef enum UnitLoadState UnitLoadState;
typedef enum UnitActiveState UnitActiveState;
typedef enum UnitDependency UnitDependency;
typedef struct UnitRef UnitRef;
+typedef struct UnitStatusMessageFormats UnitStatusMessageFormats;
#include "set.h"
#include "util.h"
#include "execute.h"
#include "condition.h"
#include "install.h"
-
-enum UnitType {
- UNIT_SERVICE = 0,
- UNIT_SOCKET,
- UNIT_TARGET,
- UNIT_DEVICE,
- UNIT_MOUNT,
- UNIT_AUTOMOUNT,
- UNIT_SNAPSHOT,
- UNIT_TIMER,
- UNIT_SWAP,
- UNIT_PATH,
- _UNIT_TYPE_MAX,
- _UNIT_TYPE_INVALID = -1
-};
-
-enum UnitLoadState {
- UNIT_STUB,
- UNIT_LOADED,
- UNIT_ERROR,
- UNIT_MERGED,
- UNIT_MASKED,
- _UNIT_LOAD_STATE_MAX,
- _UNIT_LOAD_STATE_INVALID = -1
-};
+#include "unit-name.h"
+#include "cgroup-semantics.h"
enum UnitActiveState {
UNIT_ACTIVE,
UNIT_REQUISITE,
UNIT_REQUISITE_OVERRIDABLE,
UNIT_WANTS,
- UNIT_BIND_TO,
+ UNIT_BINDS_TO,
+ UNIT_PART_OF,
/* Inverse of the above */
UNIT_REQUIRED_BY, /* inverse of 'requires' and 'requisite' is 'required_by' */
UNIT_REQUIRED_BY_OVERRIDABLE, /* inverse of 'requires_overridable' and 'requisite_overridable' is 'soft_required_by' */
UNIT_WANTED_BY, /* inverse of 'wants' */
- UNIT_BOUND_BY, /* inverse of 'bind_to' */
+ UNIT_BOUND_BY, /* inverse of 'binds_to' */
+ UNIT_CONSISTS_OF, /* inverse of 'part_of' */
/* Negative dependencies */
UNIT_CONFLICTS, /* inverse of 'conflicts' is 'conflicted_by' */
UNIT_TRIGGERED_BY,
/* Propagate reloads */
- UNIT_PROPAGATE_RELOAD_TO,
- UNIT_PROPAGATE_RELOAD_FROM,
+ UNIT_PROPAGATES_RELOAD_TO,
+ UNIT_RELOAD_PROPAGATED_FROM,
/* Reference information for GC logic */
UNIT_REFERENCES, /* Inverse of 'references' is 'referenced_by' */
Set *names;
Set *dependencies[_UNIT_DEPENDENCY_MAX];
+ char **requires_mounts_for;
+
char *description;
+ char **documentation;
char *fragment_path; /* if loaded from a config file this is the primary path to it */
+ char *source_path; /* if converted, the source file */
+ char **dropin_paths;
usec_t fragment_mtime;
+ usec_t source_mtime;
+ usec_t dropin_mtime;
- /* If there is something to do with this unit, then this is
- * the job for it */
+ /* If there is something to do with this unit, then this is the installed job for it */
Job *job;
+ /* JOB_NOP jobs are special and can be installed without disturbing the real job. */
+ Job *nop_job;
+
usec_t job_timeout;
/* References to this */
/* Per type list */
LIST_FIELDS(Unit, units_by_type);
+ /* All units which have requires_mounts_for set */
+ LIST_FIELDS(Unit, has_requires_mounts_for);
+
/* Load queue */
LIST_FIELDS(Unit, load_queue);
/* Ignore this unit when snapshotting */
bool ignore_on_snapshot;
- /* Did the last condition check suceed? */
+ /* Did the last condition check succeed? */
bool condition_result;
bool in_load_queue:1;
LIST_FIELDS(UnitRef, refs);
};
+struct UnitStatusMessageFormats {
+ const char *starting_stopping[2];
+ const char *finished_start_job[_JOB_RESULT_MAX];
+ const char *finished_stop_job[_JOB_RESULT_MAX];
+};
+
#include "service.h"
#include "timer.h"
#include "socket.h"
#include "path.h"
struct UnitVTable {
- const char *suffix;
-
/* How much memory does an object of this unit type need */
size_t object_size;
+ /* If greater than 0, the offset into the object where
+ * ExecContext is found, if the unit type has that */
+ size_t exec_context_offset;
+
+ /* The name of the section with the exec settings of ExecContext */
+ const char *exec_section;
+
/* Config file sections this unit type understands, separated
* by NUL chars */
const char *sections;
* UNIT_STUB if no configuration could be found. */
int (*load)(Unit *u);
- /* If a a lot of units got created via enumerate(), this is
+ /* If a lot of units got created via enumerate(), this is
* where to actually set the state and call unit_notify(). */
int (*coldplug)(Unit *u);
int (*stop)(Unit *u);
int (*reload)(Unit *u);
- int (*kill)(Unit *u, KillWho w, KillMode m, int signo, DBusError *error);
+ int (*kill)(Unit *u, KillWho w, int signo, DBusError *error);
bool (*can_reload)(Unit *u);
/* Restore one item from the serialization */
int (*deserialize_item)(Unit *u, const char *key, const char *data, FDSet *fds);
+ /* Try to match up fds with what we need for this unit */
+ int (*distribute_fds)(Unit *u, FDSet *fds);
+
/* Boils down the more complex internal state of this unit to
* a simpler one that the engine can understand */
UnitActiveState (*active_state)(Unit *u);
void (*sigchld_event)(Unit *u, pid_t pid, int code, int status);
void (*timer_event)(Unit *u, uint64_t n_elapsed, Watch *w);
- /* Check whether unit needs a daemon reload */
- bool (*need_daemon_reload)(Unit *u);
-
/* Reset failed state if we are in failed state */
void (*reset_failed)(Unit *u);
/* Called whenever a process of this unit sends us a message */
void (*notify_message)(Unit *u, pid_t pid, char **tags);
- /* Called whenever a name thus Unit registered for comes or
+ /* Called whenever a name this Unit registered for comes or
* goes away. */
void (*bus_name_owner_change)(Unit *u, const char *name, const char *old_owner, const char *new_owner);
/* Return the set of units that are following each other */
int (*following_set)(Unit *u, Set **s);
+ /* Invoked each time a unit this unit is triggering changes
+ * state or gains/loses a job */
+ void (*trigger_notify)(Unit *u, Unit *trigger);
+
+ /* Called whenever CLOCK_REALTIME made a jump */
+ void (*time_change)(Unit *u);
+
/* This is called for each unit type and should be used to
* enumerate existing devices and load them. However,
* everything that is loaded here should still stay in
/* The interface name */
const char *bus_interface;
+ UnitStatusMessageFormats status_message_formats;
+
/* Can units of this type have multiple names? */
bool no_alias:1;
/* Exclude from automatic gc */
bool no_gc:1;
-
- /* Show status updates on the console */
- bool show_status:1;
};
extern const UnitVTable * const unit_vtable[_UNIT_TYPE_MAX];
/* For casting the various unit types into a unit */
#define UNIT(u) (&(u)->meta)
+#define UNIT_TRIGGER(u) ((Unit*) set_first((u)->dependencies[UNIT_TRIGGERS]))
+
DEFINE_CAST(SOCKET, Socket);
DEFINE_CAST(TIMER, Timer);
DEFINE_CAST(SERVICE, Service);
int unit_add_exec_dependencies(Unit *u, ExecContext *c);
-int unit_add_cgroup(Unit *u, CGroupBonding *b);
-int unit_add_cgroup_from_text(Unit *u, const char *name);
+int unit_add_cgroup_from_text(Unit *u, const char *name, bool overwrite, CGroupBonding **ret);
int unit_add_default_cgroups(Unit *u);
CGroupBonding* unit_get_default_cgroup(Unit *u);
-int unit_add_cgroup_attribute(Unit *u, const char *controller, const char *name, const char *value, CGroupAttributeMapCallback map_callback);
+int unit_add_cgroup_attribute(Unit *u, const CGroupSemantics *semantics, const char *controller, const char *name, const char *value, CGroupAttribute **ret);
int unit_choose_id(Unit *u, const char *name);
int unit_set_description(Unit *u, const char *description);
int unit_stop(Unit *u);
int unit_reload(Unit *u);
-int unit_kill(Unit *u, KillWho w, KillMode m, int signo, DBusError *error);
+int unit_kill(Unit *u, KillWho w, int signo, DBusError *error);
+int unit_kill_common(Unit *u, KillWho who, int signo, pid_t main_pid, pid_t control_pid, DBusError *error);
void unit_notify(Unit *u, UnitActiveState os, UnitActiveState ns, bool reload_success);
int unit_watch_pid(Unit *u, pid_t pid);
void unit_unwatch_pid(Unit *u, pid_t pid);
-int unit_watch_timer(Unit *u, usec_t delay, Watch *w);
+int unit_watch_timer(Unit *u, clockid_t, bool relative, usec_t usec, Watch *w);
void unit_unwatch_timer(Unit *u, Watch *w);
int unit_watch_bus_name(Unit *u, const char *name);
int unit_load_related_unit(Unit *u, const char *type, Unit **_found);
int unit_get_related_unit(Unit *u, const char *type, Unit **_found);
-char *unit_name_printf(Unit *u, const char* text);
-char *unit_full_printf(Unit *u, const char *text);
-char **unit_full_printf_strv(Unit *u, char **l);
-
bool unit_can_serialize(Unit *u);
-int unit_serialize(Unit *u, FILE *f, FDSet *fds);
+int unit_serialize(Unit *u, FILE *f, FDSet *fds, bool serialize_jobs);
void unit_serialize_item_format(Unit *u, FILE *f, const char *key, const char *value, ...) _printf_attr_(4,5);
void unit_serialize_item(Unit *u, FILE *f, const char *key, const char *value);
int unit_deserialize(Unit *u, FILE *f, FDSet *fds);
int unit_coldplug(Unit *u);
-void unit_status_printf(Unit *u, const char *status, const char *format, ...);
+void unit_status_printf(Unit *u, const char *status, const char *unit_status_msg_format) _printf_attr_(3, 0);
bool unit_need_daemon_reload(Unit *u);
Unit *unit_following(Unit *u);
-bool unit_pending_inactive(Unit *u);
-bool unit_pending_active(Unit *u);
+bool unit_stop_pending(Unit *u);
+bool unit_inactive_or_pending(Unit *u);
+bool unit_active_or_pending(Unit *u);
int unit_add_default_target_dependency(Unit *u, Unit *target);
-int unit_following_set(Unit *u, Set **s);
+char *unit_default_cgroup_path(Unit *u);
-UnitType unit_name_to_type(const char *n);
-bool unit_name_is_valid(const char *n, bool template_ok);
+int unit_following_set(Unit *u, Set **s);
-void unit_trigger_on_failure(Unit *u);
+void unit_start_on_failure(Unit *u);
+void unit_trigger_notify(Unit *u);
bool unit_condition_test(Unit *u);
#define UNIT_DEREF(ref) ((ref).unit)
-const char *unit_load_state_to_string(UnitLoadState i);
-UnitLoadState unit_load_state_from_string(const char *s);
+int unit_add_one_mount_link(Unit *u, Mount *m);
+int unit_add_mount_links(Unit *u);
+
+int unit_exec_context_defaults(Unit *u, ExecContext *c);
+
+ExecContext *unit_get_exec_context(Unit *u);
+
+int unit_write_drop_in(Unit *u, bool runtime, const char *name, const char *data);
+int unit_remove_drop_in(Unit *u, bool runtime, const char *name);
+
+int unit_kill_context(Unit *u, KillContext *c, bool sigkill, pid_t main_pid, pid_t control_pid, bool main_pid_alien);
const char *unit_active_state_to_string(UnitActiveState i);
UnitActiveState unit_active_state_from_string(const char *s);
const char *unit_dependency_to_string(UnitDependency i);
UnitDependency unit_dependency_from_string(const char *s);
-#endif
+/* Macros which append UNIT= or USER_UNIT= to the message */
+
+#define log_full_unit(level, unit, ...) log_meta_object(level, __FILE__, __LINE__, __func__, getpid() == 1 ? "UNIT=" : "USER_UNIT=", unit, __VA_ARGS__)
+#define log_debug_unit(unit, ...) log_full_unit(LOG_DEBUG, unit, __VA_ARGS__)
+#define log_info_unit(unit, ...) log_full_unit(LOG_INFO, unit, __VA_ARGS__)
+#define log_notice_unit(unit, ...) log_full_unit(LOG_NOTICE, unit, __VA_ARGS__)
+#define log_warning_unit(unit, ...) log_full_unit(LOG_WARNING, unit, __VA_ARGS__)
+#define log_error_unit(unit, ...) log_full_unit(LOG_ERR, unit, __VA_ARGS__)
+
+#define log_struct_unit(level, unit, ...) log_struct(level, getpid() == 1 ? "UNIT=%s" : "USER_UNIT=%s", unit, __VA_ARGS__)
~ianmdlvl / elogind.git / blobdiff