diff options
Diffstat (limited to 'src/core/scope.c')
| -rw-r--r-- | src/core/scope.c | 829 |
1 files changed, 829 insertions, 0 deletions
diff --git a/src/core/scope.c b/src/core/scope.c new file mode 100644 index 0000000..e4c27da --- /dev/null +++ b/src/core/scope.c @@ -0,0 +1,829 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ + +#include <errno.h> +#include <unistd.h> + +#include "alloc-util.h" +#include "cgroup-setup.h" +#include "dbus-scope.h" +#include "dbus-unit.h" +#include "exit-status.h" +#include "load-dropin.h" +#include "log.h" +#include "process-util.h" +#include "random-util.h" +#include "scope.h" +#include "serialize.h" +#include "special.h" +#include "string-table.h" +#include "string-util.h" +#include "strv.h" +#include "unit-name.h" +#include "unit.h" +#include "user-util.h" + +static const UnitActiveState state_translation_table[_SCOPE_STATE_MAX] = { + [SCOPE_DEAD] = UNIT_INACTIVE, + [SCOPE_START_CHOWN] = UNIT_ACTIVATING, + [SCOPE_RUNNING] = UNIT_ACTIVE, + [SCOPE_ABANDONED] = UNIT_ACTIVE, + [SCOPE_STOP_SIGTERM] = UNIT_DEACTIVATING, + [SCOPE_STOP_SIGKILL] = UNIT_DEACTIVATING, + [SCOPE_FAILED] = UNIT_FAILED, +}; + +static int scope_dispatch_timer(sd_event_source *source, usec_t usec, void *userdata); + +static void scope_init(Unit *u) { + Scope *s = SCOPE(u); + + assert(u); + assert(u->load_state == UNIT_STUB); + + s->runtime_max_usec = USEC_INFINITY; + s->timeout_stop_usec = u->manager->defaults.timeout_stop_usec; + u->ignore_on_isolate = true; + s->user = s->group = NULL; + s->oom_policy = _OOM_POLICY_INVALID; +} + +static void scope_done(Unit *u) { + Scope *s = SCOPE(u); + + assert(u); + + s->controller = mfree(s->controller); + s->controller_track = sd_bus_track_unref(s->controller_track); + + s->timer_event_source = sd_event_source_disable_unref(s->timer_event_source); + + s->user = mfree(s->user); + s->group = mfree(s->group); +} + +static usec_t scope_running_timeout(Scope *s) { + usec_t delta = 0; + + assert(s); + + if (s->runtime_rand_extra_usec != 0) { + delta = random_u64_range(s->runtime_rand_extra_usec); + log_unit_debug(UNIT(s), "Adding delta of %s sec to timeout", FORMAT_TIMESPAN(delta, USEC_PER_SEC)); + } + + return usec_add(usec_add(UNIT(s)->active_enter_timestamp.monotonic, + s->runtime_max_usec), + delta); +} + +static int scope_arm_timer(Scope *s, bool relative, usec_t usec) { + assert(s); + + return unit_arm_timer(UNIT(s), &s->timer_event_source, relative, usec, scope_dispatch_timer); +} + +static void scope_set_state(Scope *s, ScopeState state) { + ScopeState old_state; + assert(s); + + if (s->state != state) + bus_unit_send_pending_change_signal(UNIT(s), false); + + old_state = s->state; + s->state = state; + + if (!IN_SET(state, SCOPE_STOP_SIGTERM, SCOPE_STOP_SIGKILL, SCOPE_START_CHOWN, SCOPE_RUNNING)) + s->timer_event_source = sd_event_source_disable_unref(s->timer_event_source); + + if (!IN_SET(old_state, SCOPE_DEAD, SCOPE_FAILED) && IN_SET(state, SCOPE_DEAD, SCOPE_FAILED)) { + unit_unwatch_all_pids(UNIT(s)); + unit_dequeue_rewatch_pids(UNIT(s)); + } + + if (state != old_state) + log_debug("%s changed %s -> %s", UNIT(s)->id, scope_state_to_string(old_state), scope_state_to_string(state)); + + unit_notify(UNIT(s), state_translation_table[old_state], state_translation_table[state], /* reload_success = */ true); +} + +static int scope_add_default_dependencies(Scope *s) { + int r; + + assert(s); + + if (!UNIT(s)->default_dependencies) + return 0; + + /* Make sure scopes are unloaded on shutdown */ + r = unit_add_two_dependencies_by_name( + UNIT(s), + UNIT_BEFORE, UNIT_CONFLICTS, + SPECIAL_SHUTDOWN_TARGET, true, + UNIT_DEPENDENCY_DEFAULT); + if (r < 0) + return r; + + return 0; +} + +static int scope_verify(Scope *s) { + assert(s); + assert(UNIT(s)->load_state == UNIT_LOADED); + + if (set_isempty(UNIT(s)->pids) && + !MANAGER_IS_RELOADING(UNIT(s)->manager) && + !unit_has_name(UNIT(s), SPECIAL_INIT_SCOPE)) + return log_unit_error_errno(UNIT(s), SYNTHETIC_ERRNO(ENOENT), "Scope has no PIDs. Refusing."); + + return 0; +} + +static int scope_load_init_scope(Unit *u) { + assert(u); + + if (!unit_has_name(u, SPECIAL_INIT_SCOPE)) + return 0; + + u->transient = true; + u->perpetual = true; + + /* init.scope is a bit special, as it has to stick around forever. Because of its special semantics we + * synthesize it here, instead of relying on the unit file on disk. */ + + u->default_dependencies = false; + + /* Prettify things, if we can. */ + if (!u->description) + u->description = strdup("System and Service Manager"); + if (!u->documentation) + (void) strv_extend(&u->documentation, "man:systemd(1)"); + + return 1; +} + +static int scope_add_extras(Scope *s) { + int r; + + r = unit_patch_contexts(UNIT(s)); + if (r < 0) + return r; + + r = unit_set_default_slice(UNIT(s)); + if (r < 0) + return r; + + if (s->oom_policy < 0) + s->oom_policy = s->cgroup_context.delegate ? OOM_CONTINUE : UNIT(s)->manager->defaults.oom_policy; + + s->cgroup_context.memory_oom_group = s->oom_policy == OOM_KILL; + + return scope_add_default_dependencies(s); +} + +static int scope_load(Unit *u) { + Scope *s = SCOPE(u); + int r; + + assert(s); + assert(u->load_state == UNIT_STUB); + + if (!u->transient && !MANAGER_IS_RELOADING(u->manager)) + /* Refuse to load non-transient scope units, but allow them while reloading. */ + return -ENOENT; + + r = scope_load_init_scope(u); + if (r < 0) + return r; + + r = unit_load_fragment_and_dropin(u, false); + if (r < 0) + return r; + + if (u->load_state != UNIT_LOADED) + return 0; + + r = scope_add_extras(s); + if (r < 0) + return r; + + return scope_verify(s); +} + +static usec_t scope_coldplug_timeout(Scope *s) { + assert(s); + + switch (s->deserialized_state) { + + case SCOPE_RUNNING: + return scope_running_timeout(s); + + case SCOPE_STOP_SIGKILL: + case SCOPE_STOP_SIGTERM: + return usec_add(UNIT(s)->state_change_timestamp.monotonic, s->timeout_stop_usec); + + default: + return USEC_INFINITY; + } +} + +static int scope_coldplug(Unit *u) { + Scope *s = SCOPE(u); + int r; + + assert(s); + assert(s->state == SCOPE_DEAD); + + if (s->deserialized_state == s->state) + return 0; + + r = scope_arm_timer(s, /* relative= */ false, scope_coldplug_timeout(s)); + if (r < 0) + return r; + + if (!IN_SET(s->deserialized_state, SCOPE_DEAD, SCOPE_FAILED)) { + if (u->pids) { + PidRef *pid; + + SET_FOREACH(pid, u->pids) { + r = unit_watch_pidref(u, pid, /* exclusive= */ false); + if (r < 0 && r != -EEXIST) + return r; + } + } else + (void) unit_enqueue_rewatch_pids(u); + } + + bus_scope_track_controller(s); + + scope_set_state(s, s->deserialized_state); + return 0; +} + +static void scope_dump(Unit *u, FILE *f, const char *prefix) { + Scope *s = SCOPE(u); + + assert(s); + assert(f); + + fprintf(f, + "%sScope State: %s\n" + "%sResult: %s\n" + "%sRuntimeMaxSec: %s\n" + "%sRuntimeRandomizedExtraSec: %s\n" + "%sOOMPolicy: %s\n", + prefix, scope_state_to_string(s->state), + prefix, scope_result_to_string(s->result), + prefix, FORMAT_TIMESPAN(s->runtime_max_usec, USEC_PER_SEC), + prefix, FORMAT_TIMESPAN(s->runtime_rand_extra_usec, USEC_PER_SEC), + prefix, oom_policy_to_string(s->oom_policy)); + + cgroup_context_dump(UNIT(s), f, prefix); + kill_context_dump(&s->kill_context, f, prefix); +} + +static void scope_enter_dead(Scope *s, ScopeResult f) { + assert(s); + + if (s->result == SCOPE_SUCCESS) + s->result = f; + + unit_log_result(UNIT(s), s->result == SCOPE_SUCCESS, scope_result_to_string(s->result)); + scope_set_state(s, s->result != SCOPE_SUCCESS ? SCOPE_FAILED : SCOPE_DEAD); +} + +static void scope_enter_signal(Scope *s, ScopeState state, ScopeResult f) { + bool skip_signal = false; + int r; + + assert(s); + + if (s->result == SCOPE_SUCCESS) + s->result = f; + + /* Before sending any signal, make sure we track all members of this cgroup */ + (void) unit_watch_all_pids(UNIT(s)); + + /* Also, enqueue a job that we recheck all our PIDs a bit later, given that it's likely some processes have + * died now */ + (void) unit_enqueue_rewatch_pids(UNIT(s)); + + /* If we have a controller set let's ask the controller nicely to terminate the scope, instead of us going + * directly into SIGTERM berserk mode */ + if (state == SCOPE_STOP_SIGTERM) + skip_signal = bus_scope_send_request_stop(s) > 0; + + if (skip_signal) + r = 1; /* wait */ + else { + r = unit_kill_context( + UNIT(s), + &s->kill_context, + state != SCOPE_STOP_SIGTERM ? KILL_KILL : + s->was_abandoned ? KILL_TERMINATE_AND_LOG : + KILL_TERMINATE, + /* main_pid= */ NULL, + /* control_pid= */ NULL, + /* main_pid_alien= */ false); + if (r < 0) { + log_unit_warning_errno(UNIT(s), r, "Failed to kill processes: %m"); + goto fail; + } + } + + if (r > 0) { + r = scope_arm_timer(s, /* relative= */ true, s->timeout_stop_usec); + if (r < 0) { + log_unit_warning_errno(UNIT(s), r, "Failed to install timer: %m"); + goto fail; + } + + scope_set_state(s, state); + } else if (state == SCOPE_STOP_SIGTERM) + scope_enter_signal(s, SCOPE_STOP_SIGKILL, SCOPE_SUCCESS); + else + scope_enter_dead(s, SCOPE_SUCCESS); + + return; + +fail: + scope_enter_dead(s, SCOPE_FAILURE_RESOURCES); +} + +static int scope_enter_start_chown(Scope *s) { + _cleanup_(pidref_done) PidRef pidref = PIDREF_NULL; + Unit *u = UNIT(s); + int r; + + assert(s); + assert(s->user); + + r = scope_arm_timer(s, /* relative= */ true, u->manager->defaults.timeout_start_usec); + if (r < 0) + return r; + + r = unit_fork_helper_process(u, "(sd-chown-cgroup)", &pidref); + if (r < 0) + goto fail; + + if (r == 0) { + uid_t uid = UID_INVALID; + gid_t gid = GID_INVALID; + + if (!isempty(s->user)) { + const char *user = s->user; + + r = get_user_creds(&user, &uid, &gid, NULL, NULL, 0); + if (r < 0) { + log_unit_error_errno(UNIT(s), r, "Failed to resolve user \"%s\": %m", user); + _exit(EXIT_USER); + } + } + + if (!isempty(s->group)) { + const char *group = s->group; + + r = get_group_creds(&group, &gid, 0); + if (r < 0) { + log_unit_error_errno(UNIT(s), r, "Failed to resolve group \"%s\": %m", group); + _exit(EXIT_GROUP); + } + } + + r = cg_set_access(SYSTEMD_CGROUP_CONTROLLER, u->cgroup_path, uid, gid); + if (r < 0) { + log_unit_error_errno(UNIT(s), r, "Failed to adjust control group access: %m"); + _exit(EXIT_CGROUP); + } + + _exit(EXIT_SUCCESS); + } + + r = unit_watch_pidref(UNIT(s), &pidref, /* exclusive= */ true); + if (r < 0) + goto fail; + + scope_set_state(s, SCOPE_START_CHOWN); + + return 1; +fail: + s->timer_event_source = sd_event_source_disable_unref(s->timer_event_source); + return r; +} + +static int scope_enter_running(Scope *s) { + Unit *u = UNIT(s); + int r; + + assert(s); + + (void) bus_scope_track_controller(s); + + r = unit_acquire_invocation_id(u); + if (r < 0) + return r; + + unit_export_state_files(u); + + r = unit_attach_pids_to_cgroup(u, u->pids, NULL); + if (r < 0) { + log_unit_warning_errno(u, r, "Failed to add PIDs to scope's control group: %m"); + goto fail; + } + if (r == 0) { + r = log_unit_warning_errno(u, SYNTHETIC_ERRNO(ECHILD), "No PIDs left to attach to the scope's control group, refusing."); + goto fail; + } + log_unit_debug(u, "%i %s added to scope's control group.", r, r == 1 ? "process" : "processes"); + + s->result = SCOPE_SUCCESS; + + scope_set_state(s, SCOPE_RUNNING); + + /* Set the maximum runtime timeout. */ + scope_arm_timer(s, /* relative= */ false, scope_running_timeout(s)); + + /* On unified we use proper notifications hence we can unwatch the PIDs + * we just attached to the scope. This can also be done on legacy as + * we're going to update the list of the processes we watch with the + * PIDs currently in the scope anyway. */ + unit_unwatch_all_pids(u); + + /* Start watching the PIDs currently in the scope (legacy hierarchy only) */ + (void) unit_enqueue_rewatch_pids(u); + return 1; + +fail: + scope_enter_dead(s, SCOPE_FAILURE_RESOURCES); + return r; +} + +static int scope_start(Unit *u) { + Scope *s = SCOPE(u); + + assert(s); + + if (unit_has_name(u, SPECIAL_INIT_SCOPE)) + return -EPERM; + + if (s->state == SCOPE_FAILED) + return -EPERM; + + /* We can't fulfill this right now, please try again later */ + if (IN_SET(s->state, SCOPE_STOP_SIGTERM, SCOPE_STOP_SIGKILL)) + return -EAGAIN; + + assert(s->state == SCOPE_DEAD); + + if (!u->transient && !MANAGER_IS_RELOADING(u->manager)) + return -ENOENT; + + (void) unit_realize_cgroup(u); + (void) unit_reset_accounting(u); + + /* We check only for User= option to keep behavior consistent with logic for service units, + * i.e. having 'Delegate=true Group=foo' w/o specifying User= has no effect. */ + if (s->user && unit_cgroup_delegate(u)) + return scope_enter_start_chown(s); + + return scope_enter_running(s); +} + +static int scope_stop(Unit *u) { + Scope *s = SCOPE(u); + + assert(s); + + if (IN_SET(s->state, SCOPE_STOP_SIGTERM, SCOPE_STOP_SIGKILL)) + return 0; + + assert(IN_SET(s->state, SCOPE_RUNNING, SCOPE_ABANDONED)); + + scope_enter_signal(s, SCOPE_STOP_SIGTERM, SCOPE_SUCCESS); + return 1; +} + +static void scope_reset_failed(Unit *u) { + Scope *s = SCOPE(u); + + assert(s); + + if (s->state == SCOPE_FAILED) + scope_set_state(s, SCOPE_DEAD); + + s->result = SCOPE_SUCCESS; +} + +static int scope_get_timeout(Unit *u, usec_t *timeout) { + Scope *s = SCOPE(u); + usec_t t; + int r; + + if (!s->timer_event_source) + return 0; + + r = sd_event_source_get_time(s->timer_event_source, &t); + if (r < 0) + return r; + if (t == USEC_INFINITY) + return 0; + + *timeout = t; + return 1; +} + +static int scope_serialize(Unit *u, FILE *f, FDSet *fds) { + Scope *s = SCOPE(u); + PidRef *pid; + + assert(s); + assert(f); + assert(fds); + + (void) serialize_item(f, "state", scope_state_to_string(s->state)); + (void) serialize_bool(f, "was-abandoned", s->was_abandoned); + + if (s->controller) + (void) serialize_item(f, "controller", s->controller); + + SET_FOREACH(pid, u->pids) + serialize_pidref(f, fds, "pids", pid); + + return 0; +} + +static int scope_deserialize_item(Unit *u, const char *key, const char *value, FDSet *fds) { + Scope *s = SCOPE(u); + int r; + + assert(u); + assert(key); + assert(value); + assert(fds); + + if (streq(key, "state")) { + ScopeState state; + + state = scope_state_from_string(value); + if (state < 0) + log_unit_debug(u, "Failed to parse state value: %s", value); + else + s->deserialized_state = state; + + } else if (streq(key, "was-abandoned")) { + int k; + + k = parse_boolean(value); + if (k < 0) + log_unit_debug(u, "Failed to parse boolean value: %s", value); + else + s->was_abandoned = k; + } else if (streq(key, "controller")) { + + r = free_and_strdup(&s->controller, value); + if (r < 0) + return log_oom(); + + } else if (streq(key, "pids")) { + _cleanup_(pidref_done) PidRef pidref = PIDREF_NULL; + + if (deserialize_pidref(fds, value, &pidref) >= 0) { + r = unit_watch_pidref(u, &pidref, /* exclusive= */ false); + if (r < 0) + log_unit_debug(u, "Failed to watch PID, ignoring: %s", value); + } + } else + log_unit_debug(u, "Unknown serialization key: %s", key); + + return 0; +} + +static void scope_notify_cgroup_empty_event(Unit *u) { + Scope *s = SCOPE(u); + assert(u); + + log_unit_debug(u, "cgroup is empty"); + + if (IN_SET(s->state, SCOPE_RUNNING, SCOPE_ABANDONED, SCOPE_STOP_SIGTERM, SCOPE_STOP_SIGKILL)) + scope_enter_dead(s, SCOPE_SUCCESS); +} + +static void scope_notify_cgroup_oom_event(Unit *u, bool managed_oom) { + Scope *s = SCOPE(u); + + if (managed_oom) + log_unit_debug(u, "Process(es) of control group were killed by systemd-oomd."); + else + log_unit_debug(u, "Process of control group was killed by the OOM killer."); + + if (s->oom_policy == OOM_CONTINUE) + return; + + switch (s->state) { + + case SCOPE_START_CHOWN: + case SCOPE_RUNNING: + scope_enter_signal(s, SCOPE_STOP_SIGTERM, SCOPE_FAILURE_OOM_KILL); + break; + + case SCOPE_STOP_SIGTERM: + scope_enter_signal(s, SCOPE_STOP_SIGKILL, SCOPE_FAILURE_OOM_KILL); + break; + + case SCOPE_STOP_SIGKILL: + if (s->result == SCOPE_SUCCESS) + s->result = SCOPE_FAILURE_OOM_KILL; + break; + /* SCOPE_DEAD, SCOPE_ABANDONED, and SCOPE_FAILED end up in default */ + default: + ; + } +} + +static void scope_sigchld_event(Unit *u, pid_t pid, int code, int status) { + Scope *s = SCOPE(u); + + assert(s); + + if (s->state == SCOPE_START_CHOWN) { + if (!is_clean_exit(code, status, EXIT_CLEAN_COMMAND, NULL)) + scope_enter_dead(s, SCOPE_FAILURE_RESOURCES); + else + scope_enter_running(s); + return; + } + + /* If we get a SIGCHLD event for one of the processes we were interested in, then we look for others to + * watch, under the assumption that we'll sooner or later get a SIGCHLD for them, as the original + * process we watched was probably the parent of them, and they are hence now our children. */ + + (void) unit_enqueue_rewatch_pids(u); +} + +static int scope_dispatch_timer(sd_event_source *source, usec_t usec, void *userdata) { + Scope *s = SCOPE(userdata); + + assert(s); + assert(s->timer_event_source == source); + + switch (s->state) { + + case SCOPE_RUNNING: + log_unit_warning(UNIT(s), "Scope reached runtime time limit. Stopping."); + scope_enter_signal(s, SCOPE_STOP_SIGTERM, SCOPE_FAILURE_TIMEOUT); + break; + + case SCOPE_STOP_SIGTERM: + if (s->kill_context.send_sigkill) { + log_unit_warning(UNIT(s), "Stopping timed out. Killing."); + scope_enter_signal(s, SCOPE_STOP_SIGKILL, SCOPE_FAILURE_TIMEOUT); + } else { + log_unit_warning(UNIT(s), "Stopping timed out. Skipping SIGKILL."); + scope_enter_dead(s, SCOPE_FAILURE_TIMEOUT); + } + + break; + + case SCOPE_STOP_SIGKILL: + log_unit_warning(UNIT(s), "Still around after SIGKILL. Ignoring."); + scope_enter_dead(s, SCOPE_FAILURE_TIMEOUT); + break; + + case SCOPE_START_CHOWN: + log_unit_warning(UNIT(s), "User lookup timed out. Entering failed state."); + scope_enter_dead(s, SCOPE_FAILURE_TIMEOUT); + break; + + default: + assert_not_reached(); + } + + return 0; +} + +int scope_abandon(Scope *s) { + assert(s); + + if (unit_has_name(UNIT(s), SPECIAL_INIT_SCOPE)) + return -EPERM; + + if (!IN_SET(s->state, SCOPE_RUNNING, SCOPE_ABANDONED)) + return -ESTALE; + + s->was_abandoned = true; + + s->controller = mfree(s->controller); + s->controller_track = sd_bus_track_unref(s->controller_track); + + scope_set_state(s, SCOPE_ABANDONED); + + /* The client is no longer watching the remaining processes, so let's step in here, under the assumption that + * the remaining processes will be sooner or later reassigned to us as parent. */ + (void) unit_enqueue_rewatch_pids(UNIT(s)); + + return 0; +} + +static UnitActiveState scope_active_state(Unit *u) { + assert(u); + + return state_translation_table[SCOPE(u)->state]; +} + +static const char *scope_sub_state_to_string(Unit *u) { + assert(u); + + return scope_state_to_string(SCOPE(u)->state); +} + +static void scope_enumerate_perpetual(Manager *m) { + Unit *u; + int r; + + assert(m); + + /* Let's unconditionally add the "init.scope" special unit + * that encapsulates PID 1. Note that PID 1 already is in the + * cgroup for this, we hence just need to allocate the object + * for it and that's it. */ + + u = manager_get_unit(m, SPECIAL_INIT_SCOPE); + if (!u) { + r = unit_new_for_name(m, sizeof(Scope), SPECIAL_INIT_SCOPE, &u); + if (r < 0) { + log_error_errno(r, "Failed to allocate the special " SPECIAL_INIT_SCOPE " unit: %m"); + return; + } + } + + u->transient = true; + u->perpetual = true; + SCOPE(u)->deserialized_state = SCOPE_RUNNING; + + unit_add_to_load_queue(u); + unit_add_to_dbus_queue(u); + /* Enqueue an explicit cgroup realization here. Unlike other cgroups this one already exists and is + * populated (by us, after all!) already, even when we are not in a reload cycle. Hence we cannot + * apply the settings at creation time anymore, but let's at least apply them asynchronously. */ + unit_add_to_cgroup_realize_queue(u); +} + +static const char* const scope_result_table[_SCOPE_RESULT_MAX] = { + [SCOPE_SUCCESS] = "success", + [SCOPE_FAILURE_RESOURCES] = "resources", + [SCOPE_FAILURE_TIMEOUT] = "timeout", + [SCOPE_FAILURE_OOM_KILL] = "oom-kill", +}; + +DEFINE_STRING_TABLE_LOOKUP(scope_result, ScopeResult); + +const UnitVTable scope_vtable = { + .object_size = sizeof(Scope), + .cgroup_context_offset = offsetof(Scope, cgroup_context), + .kill_context_offset = offsetof(Scope, kill_context), + + .sections = + "Unit\0" + "Scope\0" + "Install\0", + .private_section = "Scope", + + .can_transient = true, + .can_delegate = true, + .can_fail = true, + .once_only = true, + .can_set_managed_oom = true, + + .init = scope_init, + .load = scope_load, + .done = scope_done, + + .coldplug = scope_coldplug, + + .dump = scope_dump, + + .start = scope_start, + .stop = scope_stop, + + .freeze = unit_freeze_vtable_common, + .thaw = unit_thaw_vtable_common, + + .get_timeout = scope_get_timeout, + + .serialize = scope_serialize, + .deserialize_item = scope_deserialize_item, + + .active_state = scope_active_state, + .sub_state_to_string = scope_sub_state_to_string, + + .sigchld_event = scope_sigchld_event, + + .reset_failed = scope_reset_failed, + + .notify_cgroup_empty = scope_notify_cgroup_empty_event, + .notify_cgroup_oom = scope_notify_cgroup_oom_event, + + .bus_set_property = bus_scope_set_property, + .bus_commit_properties = bus_scope_commit_properties, + + .enumerate_perpetual = scope_enumerate_perpetual, +}; |