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v261
src/basic/unit-def.h
347 строк
12 KB
Ivan Kruglov
basic: resurrect unit_type_to_capitalized_string()
14 апр 2026, 15:37
14 апр 2026, 15:37
01f6d9e
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/* SPDX-License-Identifier: LGPL-2.1-or-later */ #pragma once #include "basic-forward.h" /* The enum order is used to order unit jobs in the job queue * when other criteria (cpu weight, nice level) are identical. * In this case service units have the highest priority. */ typedef enum UnitType { UNIT_SERVICE, UNIT_MOUNT, UNIT_SWAP, UNIT_SOCKET, UNIT_TARGET, UNIT_DEVICE, UNIT_AUTOMOUNT, UNIT_TIMER, UNIT_PATH, UNIT_SLICE, UNIT_SCOPE, _UNIT_TYPE_MAX, _UNIT_TYPE_INVALID = -EINVAL, _UNIT_TYPE_ERRNO_MAX = -ERRNO_MAX, /* Ensure the whole errno range fits into this enum */ } UnitType; typedef enum UnitLoadState { UNIT_STUB, UNIT_LOADED, UNIT_NOT_FOUND, /* error condition #1: unit file not found */ UNIT_BAD_SETTING, /* error condition #2: we couldn't parse some essential unit file setting */ UNIT_ERROR, /* error condition #3: other "system" error, catchall for the rest */ UNIT_MERGED, UNIT_MASKED, _UNIT_LOAD_STATE_MAX, _UNIT_LOAD_STATE_INVALID = -EINVAL, } UnitLoadState; typedef enum UnitActiveState { UNIT_ACTIVE, UNIT_RELOADING, UNIT_INACTIVE, UNIT_FAILED, UNIT_ACTIVATING, UNIT_DEACTIVATING, UNIT_MAINTENANCE, UNIT_REFRESHING, _UNIT_ACTIVE_STATE_MAX, _UNIT_ACTIVE_STATE_INVALID = -EINVAL, } UnitActiveState; typedef enum FreezerState { FREEZER_RUNNING, FREEZER_FREEZING, /* freezing due to user request */ FREEZER_FROZEN, FREEZER_FREEZING_BY_PARENT, /* freezing as a result of parent slice freezing */ FREEZER_FROZEN_BY_PARENT, FREEZER_THAWING, _FREEZER_STATE_MAX, _FREEZER_STATE_INVALID = -EINVAL, } FreezerState; typedef enum UnitMarker { UNIT_MARKER_NEEDS_RELOAD, UNIT_MARKER_NEEDS_RESTART, UNIT_MARKER_NEEDS_STOP, UNIT_MARKER_NEEDS_START, _UNIT_MARKER_MAX, _UNIT_MARKER_INVALID = -EINVAL, } UnitMarker; typedef enum AutomountState { AUTOMOUNT_DEAD, AUTOMOUNT_WAITING, AUTOMOUNT_RUNNING, AUTOMOUNT_FAILED, _AUTOMOUNT_STATE_MAX, _AUTOMOUNT_STATE_INVALID = -EINVAL, } AutomountState; /* We simply watch devices, we cannot plug/unplug them. That * simplifies the state engine greatly */ typedef enum DeviceState { DEVICE_DEAD, DEVICE_TENTATIVE, /* mounted or swapped, but not (yet) announced by udev */ DEVICE_PLUGGED, /* announced by udev */ _DEVICE_STATE_MAX, _DEVICE_STATE_INVALID = -EINVAL, } DeviceState; typedef enum MountState { MOUNT_DEAD, MOUNT_MOUNTING, /* /usr/bin/mount is running, but the mount is not done yet. */ MOUNT_MOUNTING_DONE, /* /usr/bin/mount is running, and the mount is done. */ MOUNT_MOUNTED, MOUNT_REMOUNTING, MOUNT_UNMOUNTING, MOUNT_REMOUNTING_SIGTERM, MOUNT_REMOUNTING_SIGKILL, MOUNT_UNMOUNTING_SIGTERM, MOUNT_UNMOUNTING_SIGKILL, MOUNT_FAILED, MOUNT_CLEANING, _MOUNT_STATE_MAX, _MOUNT_STATE_INVALID = -EINVAL, } MountState; typedef enum PathState { PATH_DEAD, PATH_WAITING, PATH_RUNNING, PATH_FAILED, _PATH_STATE_MAX, _PATH_STATE_INVALID = -EINVAL, } PathState; typedef enum ScopeState { SCOPE_DEAD, SCOPE_START_CHOWN, SCOPE_RUNNING, SCOPE_ABANDONED, SCOPE_STOP_SIGTERM, SCOPE_STOP_SIGKILL, SCOPE_FAILED, _SCOPE_STATE_MAX, _SCOPE_STATE_INVALID = -EINVAL, } ScopeState; typedef enum ServiceState { SERVICE_DEAD, SERVICE_CONDITION, SERVICE_START_PRE, SERVICE_START, SERVICE_START_POST, SERVICE_RUNNING, SERVICE_EXITED, /* Nothing is running anymore, but RemainAfterExit is true hence this is OK */ SERVICE_REFRESH_EXTENSIONS, /* Refreshing extensions for a reload request */ SERVICE_REFRESH_CREDENTIALS, /* ditto, but for credentials */ SERVICE_RELOAD, /* Reloading via ExecReload= */ SERVICE_RELOAD_SIGNAL, /* Reloading via SIGHUP requested */ SERVICE_RELOAD_NOTIFY, /* Waiting for READY=1 after RELOADING=1 notify */ SERVICE_RELOAD_POST, SERVICE_MOUNTING, /* Performing a live mount into the namespace of the service */ SERVICE_STOP, /* No STOP_PRE state, instead just register multiple STOP executables */ SERVICE_STOP_WATCHDOG, SERVICE_STOP_SIGTERM, SERVICE_STOP_SIGKILL, SERVICE_STOP_POST, SERVICE_FINAL_WATCHDOG, /* In case the STOP_POST executable needs to be aborted. */ SERVICE_FINAL_SIGTERM, /* In case the STOP_POST executable hangs, we shoot that down, too */ SERVICE_FINAL_SIGKILL, SERVICE_FAILED, SERVICE_DEAD_BEFORE_AUTO_RESTART, SERVICE_FAILED_BEFORE_AUTO_RESTART, SERVICE_DEAD_RESOURCES_PINNED, /* Like SERVICE_DEAD, but with pinned resources */ SERVICE_AUTO_RESTART, SERVICE_AUTO_RESTART_QUEUED, SERVICE_CLEANING, _SERVICE_STATE_MAX, _SERVICE_STATE_INVALID = -EINVAL, } ServiceState; typedef enum SliceState { SLICE_DEAD, SLICE_ACTIVE, _SLICE_STATE_MAX, _SLICE_STATE_INVALID = -EINVAL, } SliceState; typedef enum SocketState { SOCKET_DEAD, SOCKET_START_PRE, SOCKET_START_OPEN, SOCKET_START_CHOWN, SOCKET_START_POST, SOCKET_LISTENING, SOCKET_DEFERRED, SOCKET_RUNNING, SOCKET_STOP_PRE, SOCKET_STOP_PRE_SIGTERM, SOCKET_STOP_PRE_SIGKILL, SOCKET_STOP_POST, SOCKET_FINAL_SIGTERM, SOCKET_FINAL_SIGKILL, SOCKET_FAILED, SOCKET_CLEANING, _SOCKET_STATE_MAX, _SOCKET_STATE_INVALID = -EINVAL, } SocketState; typedef enum SwapState { SWAP_DEAD, SWAP_ACTIVATING, /* /sbin/swapon is running, but the swap not yet enabled. */ SWAP_ACTIVATING_DONE, /* /sbin/swapon is running, and the swap is done. */ SWAP_ACTIVE, SWAP_DEACTIVATING, SWAP_DEACTIVATING_SIGTERM, SWAP_DEACTIVATING_SIGKILL, SWAP_FAILED, SWAP_CLEANING, _SWAP_STATE_MAX, _SWAP_STATE_INVALID = -EINVAL, } SwapState; typedef enum TargetState { TARGET_DEAD, TARGET_ACTIVE, _TARGET_STATE_MAX, _TARGET_STATE_INVALID = -EINVAL, } TargetState; typedef enum TimerState { TIMER_DEAD, TIMER_WAITING, TIMER_RUNNING, TIMER_ELAPSED, TIMER_FAILED, _TIMER_STATE_MAX, _TIMER_STATE_INVALID = -EINVAL, } TimerState; typedef enum UnitDependency { /* Positive dependencies */ UNIT_REQUIRES, UNIT_REQUISITE, UNIT_WANTS, UNIT_BINDS_TO, UNIT_PART_OF, UNIT_UPHOLDS, /* Inverse of the above */ UNIT_REQUIRED_BY, /* inverse of 'requires' is 'required_by' */ UNIT_REQUISITE_OF, /* inverse of 'requisite' is 'requisite_of' */ UNIT_WANTED_BY, /* inverse of 'wants' */ UNIT_BOUND_BY, /* inverse of 'binds_to' */ UNIT_CONSISTS_OF, /* inverse of 'part_of' */ UNIT_UPHELD_BY, /* inverse of 'uphold' */ /* Negative dependencies */ UNIT_CONFLICTS, /* inverse of 'conflicts' is 'conflicted_by' */ UNIT_CONFLICTED_BY, /* Order */ UNIT_BEFORE, /* inverse of 'before' is 'after' and vice versa */ UNIT_AFTER, /* OnSuccess= + OnFailure= */ UNIT_ON_SUCCESS, UNIT_ON_SUCCESS_OF, UNIT_ON_FAILURE, UNIT_ON_FAILURE_OF, /* Triggers (i.e. a socket triggers a service) */ UNIT_TRIGGERS, UNIT_TRIGGERED_BY, /* Propagate reloads */ UNIT_PROPAGATES_RELOAD_TO, UNIT_RELOAD_PROPAGATED_FROM, /* Propagate stops */ UNIT_PROPAGATES_STOP_TO, UNIT_STOP_PROPAGATED_FROM, /* Joins namespace of */ UNIT_JOINS_NAMESPACE_OF, /* Reference information for GC logic */ UNIT_REFERENCES, /* Inverse of 'references' is 'referenced_by' */ UNIT_REFERENCED_BY, /* Slice= */ UNIT_IN_SLICE, UNIT_SLICE_OF, _UNIT_DEPENDENCY_MAX, _UNIT_DEPENDENCY_INVALID = -EINVAL, } UnitDependency; typedef enum NotifyAccess { NOTIFY_NONE, NOTIFY_ALL, NOTIFY_MAIN, NOTIFY_EXEC, _NOTIFY_ACCESS_MAX, _NOTIFY_ACCESS_INVALID = -EINVAL, } NotifyAccess; typedef enum JobMode { JOB_FAIL, /* Fail if a conflicting job is already queued */ JOB_LENIENT, /* Fail if any conflicting unit is active (even weaker than JOB_FAIL) */ JOB_REPLACE, /* Replace an existing conflicting job */ JOB_REPLACE_IRREVERSIBLY, /* Like JOB_REPLACE + produce irreversible jobs */ JOB_ISOLATE, /* Start a unit, and stop all others */ JOB_FLUSH, /* Flush out all other queued jobs when queueing this one */ JOB_IGNORE_DEPENDENCIES, /* Ignore both requirement and ordering dependencies */ JOB_IGNORE_REQUIREMENTS, /* Ignore requirement dependencies */ JOB_TRIGGERING, /* Adds TRIGGERED_BY dependencies to the same transaction */ JOB_RESTART_DEPENDENCIES, /* A "start" job for the specified unit becomes "restart" for depending units */ _JOB_MODE_MAX, _JOB_MODE_INVALID = -EINVAL, } JobMode; typedef enum ExecDirectoryType { EXEC_DIRECTORY_RUNTIME, EXEC_DIRECTORY_STATE, EXEC_DIRECTORY_CACHE, EXEC_DIRECTORY_LOGS, EXEC_DIRECTORY_CONFIGURATION, _EXEC_DIRECTORY_TYPE_MAX, _EXEC_DIRECTORY_TYPE_INVALID = -EINVAL, } ExecDirectoryType; char* unit_dbus_path_from_name(const char *name); int unit_name_from_dbus_path(const char *path, char **name); const char* unit_dbus_interface_from_type(UnitType t); const char* unit_dbus_interface_from_name(const char *name); DECLARE_STRING_TABLE_LOOKUP(unit_type, UnitType); void unit_types_list(void); DECLARE_STRING_TABLE_LOOKUP(unit_load_state, UnitLoadState); DECLARE_STRING_TABLE_LOOKUP(unit_active_state, UnitActiveState); const char* unit_type_to_capitalized_string(UnitType t); DECLARE_STRING_TABLE_LOOKUP(freezer_state, FreezerState); FreezerState freezer_state_finish(FreezerState state) _const_; FreezerState freezer_state_objective(FreezerState state) _const_; DECLARE_STRING_TABLE_LOOKUP(unit_marker, UnitMarker); DECLARE_STRING_TABLE_LOOKUP(automount_state, AutomountState); DECLARE_STRING_TABLE_LOOKUP(device_state, DeviceState); DECLARE_STRING_TABLE_LOOKUP(mount_state, MountState); DECLARE_STRING_TABLE_LOOKUP(path_state, PathState); DECLARE_STRING_TABLE_LOOKUP(scope_state, ScopeState); DECLARE_STRING_TABLE_LOOKUP(service_state, ServiceState); DECLARE_STRING_TABLE_LOOKUP(slice_state, SliceState); DECLARE_STRING_TABLE_LOOKUP(socket_state, SocketState); DECLARE_STRING_TABLE_LOOKUP(swap_state, SwapState); DECLARE_STRING_TABLE_LOOKUP(target_state, TargetState); DECLARE_STRING_TABLE_LOOKUP(timer_state, TimerState); DECLARE_STRING_TABLE_LOOKUP(unit_dependency, UnitDependency); DECLARE_STRING_TABLE_LOOKUP(notify_access, NotifyAccess); DECLARE_STRING_TABLE_LOOKUP(job_mode, JobMode); DECLARE_STRING_TABLE_LOOKUP(exec_directory_type, ExecDirectoryType); Glyph unit_active_state_to_glyph(UnitActiveState state);