mirror of
https://github.com/systemd/systemd-stable.git
synced 2024-12-22 13:33:56 +03:00
271 lines
5.7 KiB
C
271 lines
5.7 KiB
C
/*-*- Mode: C; c-basic-offset: 8 -*-*/
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#ifndef foonamehfoo
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#define foonamehfoo
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#include <stdbool.h>
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#include <stdlib.h>
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typedef union Name Name;
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typedef struct Meta Meta;
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typedef struct Service Service;
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typedef struct Timer Timer;
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typedef struct Socket Socket;
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typedef struct Milestone Milestone;
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typedef struct Device Device;
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typedef struct Mount Mount;
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typedef struct Automount Automount;
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typedef struct Snapshot Snapshot;
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#include "job.h"
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#include "manager.h"
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#include "set.h"
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#include "util.h"
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#include "list.h"
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typedef enum NameType {
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NAME_SERVICE = 0,
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NAME_TIMER,
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NAME_SOCKET,
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NAME_MILESTONE,
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NAME_DEVICE,
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NAME_MOUNT,
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NAME_AUTOMOUNT,
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NAME_SNAPSHOT,
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_NAME_TYPE_MAX,
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_NAME_TYPE_INVALID = -1,
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} NameType;
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typedef enum NameState {
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NAME_STUB,
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NAME_LOADED,
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NAME_FAILED
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} NameState;
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struct Meta {
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Manager *manager;
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NameType type;
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NameState state;
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char **names;
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/* Positive dependencies */
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Set *requires, *soft_requires, *wants, *requisite, *soft_requisite;
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Set *required_by; /* inverse of 'requires', 'soft_requires', 'requisite' and 'soft_requisite' is 'required_by' */
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/* Negative dependencies */
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Set *conflicts; /* inverse of 'conflicts' is 'conflicts' */
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/* Order */
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Set *before, *after; /* inverse of before is after and vice versa */
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/* Information */
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char *description;
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/* If there is something to do with this name, then this is
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* the job for it */
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Job *job;
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bool linked:1;
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/* Load queue */
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LIST_FIELDS(Meta);
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};
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typedef enum ServiceState {
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SERVICE_DEAD,
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SERVICE_BEFORE,
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SERVICE_START_PRE,
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SERVICE_START,
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SERVICE_START_POST,
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SERVICE_RUNNING,
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SERVICE_RELOAD_PRE,
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SERVICE_RELOAD,
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SERVICE_RELOAD_POST,
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SERVICE_STOP_PRE,
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SERVICE_STOP,
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SERVICE_SIGTERM,
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SERVICE_SIGKILL,
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SERVICE_STOP_POST,
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SERVICE_HOLDOFF,
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SERVICE_MAINTAINANCE
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} ServiceState;
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typedef enum ServiceMode {
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SERVICE_ONCE,
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SERVICE_RESTART
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} ServiceMode;
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struct Service {
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Meta meta;
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ServiceState state;
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ServiceMode mode;
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};
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typedef enum TimerState {
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TIMER_DEAD,
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TIMER_BEFORE,
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TIMER_START_PRE,
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TIMER_START,
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TIMER_START_POST,
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TIMER_WAITING,
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TIMER_RUNNING,
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TIMER_STOP_PRE,
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TIMER_STOP,
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TIMER_STOP_POST,
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TIMER_MAINTAINANCE
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} TimerState;
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struct Timer {
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Meta meta;
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TimerState state;
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Service *subject;
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clockid_t clock_id;
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usec_t next_elapse;
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};
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typedef enum SocketState {
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SOCKET_DEAD,
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SOCKET_BEFORE,
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SOCKET_START_PRE,
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SOCKET_START,
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SOCKET_START_POST,
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SOCKET_LISTENING,
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SOCKET_RUNNING,
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SOCKET_STOP_PRE,
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SOCKET_STOP,
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SOCKET_STOP_POST,
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SOCKET_MAINTAINANCE
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} SocketState;
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struct Socket {
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Meta meta;
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SocketState state;
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int *fds;
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unsigned n_fds;
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Service *subject;
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};
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typedef enum MilestoneState {
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MILESTONE_DEAD,
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MILESTONE_BEFORE,
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MILESTONE_ACTIVE
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} MilestoneState;
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struct Milestone {
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Meta meta;
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MilestoneState state;
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};
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typedef enum DeviceState {
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DEVICE_DEAD,
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DEVICE_BEFORE,
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DEVICE_AVAILABLE
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} DeviceState;
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struct Device {
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Meta meta;
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DeviceState state;
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char *sysfs;
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};
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typedef enum MountState {
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MOUNT_DEAD,
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MOUNT_BEFORE,
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MOUNT_MOUNTED
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} MountState;
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struct Mount {
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Meta meta;
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MountState state;
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char *path;
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};
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typedef enum AutomountState {
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AUTOMOUNT_DEAD,
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AUTOMOUNT_BEFORE,
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AUTOMOUNT_START_PRE,
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AUTOMOUNT_START,
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AUTOMOUNT_START_POST,
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AUTOMOUNT_WAITING,
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AUTOMOUNT_RUNNING,
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AUTOMOUNT_STOP_PRE,
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AUTOMOUNT_STOP,
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AUTOMOUNT_STOP_POST,
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AUTOMOUNT_MAINTAINANCE
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} AutomountState;
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struct Automount {
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Meta meta;
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AutomountState state;
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char *path;
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Mount *subject;
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};
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typedef enum SnapshotState {
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SNAPSHOT_DEAD,
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SNAPSHOT_BEFORE,
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SNAPSHOT_ACTIVE
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} SnapshotState;
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struct Snapshot {
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Meta meta;
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SnapshotState state;
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bool cleanup:1;
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};
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union Name {
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Meta meta;
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Service service;
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Timer timer;
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Socket socket;
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Milestone milestone;
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Device device;
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Mount mount;
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Automount automount;
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Snapshot snapshot;
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};
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/* For casting a name into the various name types */
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#define DEFINE_CAST(UPPERCASE, MixedCase, lowercase) \
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static inline MixedCase* UPPERCASE(Name *name) { \
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if (name->meta.type != NAME_##UPPERCASE) \
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return NULL; \
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\
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return &name->lowercase; \
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}
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DEFINE_CAST(SERVICE, Service, service);
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DEFINE_CAST(TIMER, Timer, timer);
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DEFINE_CAST(SOCKET, Socket, socket);
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DEFINE_CAST(MILESTONE, Milestone, milestone);
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DEFINE_CAST(DEVICE, Device, device);
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DEFINE_CAST(MOUNT, Mount, mount);
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DEFINE_CAST(AUTOMOUNT, Automount, automount);
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DEFINE_CAST(SNAPSHOT, Snapshot, snapshot);
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/* For casting the various name types into a name */
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#define NAME(o) ((Name*) (o))
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bool name_is_ready(Name *name);
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NameType name_type_from_string(const char *n);
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Name *name_new(Manager *m);
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void name_free(Name *name);
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int name_link(Name *name);
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int name_augment(Name *n);
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#endif
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