X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fcore%2Funit.c;h=ae6f69183d284055ec624391c9670a80a1a8a3e8;hp=ed3f176393f1120aca47bd03335a71237c05a8bf;hb=6b78f9b4354010f8af2fe48c783ffd52b2db8f57;hpb=97e7d748d1bf26790fc3b2607885f4ac8c4ecf3a diff --git a/src/core/unit.c b/src/core/unit.c index ed3f17639..ae6f69183 100644 --- a/src/core/unit.c +++ b/src/core/unit.c @@ -33,6 +33,7 @@ #include "unit.h" #include "macro.h" #include "strv.h" +#include "path-util.h" #include "load-fragment.h" #include "load-dropin.h" #include "log.h" @@ -249,6 +250,9 @@ bool unit_check_gc(Unit *u) { if (u->job) return true; + if (u->nop_job) + return true; + if (unit_active_state(u) != UNIT_INACTIVE) return true; @@ -358,9 +362,20 @@ void unit_free(Unit *u) { job_free(j); } + if (u->nop_job) { + Job *j = u->nop_job; + job_uninstall(j); + job_free(j); + } + for (d = 0; d < _UNIT_DEPENDENCY_MAX; d++) bidi_set_free(u, u->dependencies[d]); + if (u->requires_mounts_for) { + LIST_REMOVE(Unit, has_requires_mounts_for, u->manager->has_requires_mounts_for, u); + strv_free(u->requires_mounts_for); + } + if (u->type != _UNIT_TYPE_INVALID) LIST_REMOVE(Unit, units_by_type, u->manager->units_by_type[u->type], u); @@ -382,7 +397,9 @@ void unit_free(Unit *u) { cgroup_attribute_free_list(u->cgroup_attributes); free(u->description); + strv_free(u->documentation); free(u->fragment_path); + free(u->source_path); free(u->instance); set_free_free(u->names); @@ -501,6 +518,9 @@ int unit_merge(Unit *u, Unit *other) { if (other->job) return -EEXIST; + if (other->nop_job) + return -EEXIST; + if (!UNIT_IS_INACTIVE_OR_FAILED(unit_active_state(other))) return -EEXIST; @@ -606,7 +626,7 @@ const char *unit_description(Unit *u) { } void unit_dump(Unit *u, FILE *f, const char *prefix) { - char *t; + char *t, **j; UnitDependency d; Iterator i; char *p2; @@ -654,12 +674,18 @@ void unit_dump(Unit *u, FILE *f, const char *prefix) { SET_FOREACH(t, u->names, i) fprintf(f, "%s\tName: %s\n", prefix, t); + STRV_FOREACH(j, u->documentation) + fprintf(f, "%s\tDocumentation: %s\n", prefix, *j); + if ((following = unit_following(u))) fprintf(f, "%s\tFollowing: %s\n", prefix, following->id); if (u->fragment_path) fprintf(f, "%s\tFragment Path: %s\n", prefix, u->fragment_path); + if (u->source_path) + fprintf(f, "%s\tSource Path: %s\n", prefix, u->source_path); + if (u->job_timeout > 0) fprintf(f, "%s\tJob Timeout: %s\n", prefix, format_timespan(timespan, sizeof(timespan), u->job_timeout)); @@ -679,6 +705,16 @@ void unit_dump(Unit *u, FILE *f, const char *prefix) { fprintf(f, "%s\t%s: %s\n", prefix, unit_dependency_to_string(d), other->id); } + if (!strv_isempty(u->requires_mounts_for)) { + fprintf(f, + "%s\tRequiresMountsFor:", prefix); + + STRV_FOREACH(j, u->requires_mounts_for) + fprintf(f, " %s", *j); + + fputs("\n", f); + } + if (u->load_state == UNIT_LOADED) { CGroupBonding *b; CGroupAttribute *a; @@ -729,6 +765,9 @@ void unit_dump(Unit *u, FILE *f, const char *prefix) { if (u->job) job_dump(u->job, f, prefix2); + if (u->nop_job) + job_dump(u->nop_job, f, prefix2); + free(p2); } @@ -854,6 +893,12 @@ int unit_load(Unit *u) { if ((r = unit_add_default_dependencies(u)) < 0) goto fail; + if (u->load_state == UNIT_LOADED) { + r = unit_add_mount_links(u); + if (r < 0) + return r; + } + if (u->on_failure_isolate && set_size(u->dependencies[UNIT_ON_FAILURE]) > 1) { @@ -891,6 +936,21 @@ bool unit_condition_test(Unit *u) { return u->condition_result; } +static void unit_status_print_starting_stopping(Unit *u, bool stopping) { + const UnitStatusMessageFormats *format_table; + const char *format; + + format_table = &UNIT_VTABLE(u)->status_message_formats; + if (!format_table) + return; + + format = format_table->starting_stopping[stopping]; + if (!format) + return; + + unit_status_printf(u, "", format, unit_description(u)); +} + /* Errors: * -EBADR: This unit type does not support starting. * -EALREADY: Unit is already started. @@ -930,6 +990,8 @@ int unit_start(Unit *u) { return unit_start(following); } + unit_status_print_starting_stopping(u, false); + /* If it is stopped, but we cannot start it, then fail */ if (!UNIT_VTABLE(u)->start) return -EBADR; @@ -942,7 +1004,6 @@ int unit_start(Unit *u) { unit_add_to_dbus_queue(u); - unit_status_printf(u, NULL, "Starting %s...", unit_description(u)); return UNIT_VTABLE(u)->start(u); } @@ -979,12 +1040,13 @@ int unit_stop(Unit *u) { return unit_stop(following); } + unit_status_print_starting_stopping(u, true); + if (!UNIT_VTABLE(u)->stop) return -EBADR; unit_add_to_dbus_queue(u); - unit_status_printf(u, NULL, "Stopping %s...", unit_description(u)); return UNIT_VTABLE(u)->stop(u); } @@ -1082,7 +1144,7 @@ static void retroactively_start_dependencies(Unit *u) { !UNIT_IS_ACTIVE_OR_ACTIVATING(unit_active_state(other))) manager_add_job(u->manager, JOB_START, other, JOB_REPLACE, true, NULL, NULL); - SET_FOREACH(other, u->dependencies[UNIT_BIND_TO], i) + SET_FOREACH(other, u->dependencies[UNIT_BINDS_TO], i) if (!set_get(u->dependencies[UNIT_AFTER], other) && !UNIT_IS_ACTIVE_OR_ACTIVATING(unit_active_state(other))) manager_add_job(u->manager, JOB_START, other, JOB_REPLACE, true, NULL, NULL); @@ -1147,7 +1209,7 @@ static void check_unneeded_dependencies(Unit *u) { SET_FOREACH(other, u->dependencies[UNIT_REQUISITE_OVERRIDABLE], i) if (!UNIT_IS_INACTIVE_OR_DEACTIVATING(unit_active_state(other))) unit_check_unneeded(other); - SET_FOREACH(other, u->dependencies[UNIT_BIND_TO], i) + SET_FOREACH(other, u->dependencies[UNIT_BINDS_TO], i) if (!UNIT_IS_INACTIVE_OR_DEACTIVATING(unit_active_state(other))) unit_check_unneeded(other); } @@ -1226,12 +1288,12 @@ void unit_notify(Unit *u, UnitActiveState os, UnitActiveState ns, bool reload_su case JOB_VERIFY_ACTIVE: if (UNIT_IS_ACTIVE_OR_RELOADING(ns)) - job_finish_and_invalidate(u->job, JOB_DONE); + job_finish_and_invalidate(u->job, JOB_DONE, true); else if (u->job->state == JOB_RUNNING && ns != UNIT_ACTIVATING) { unexpected = true; if (UNIT_IS_INACTIVE_OR_FAILED(ns)) - job_finish_and_invalidate(u->job, ns == UNIT_FAILED ? JOB_FAILED : JOB_DONE); + job_finish_and_invalidate(u->job, ns == UNIT_FAILED ? JOB_FAILED : JOB_DONE, true); } break; @@ -1241,12 +1303,12 @@ void unit_notify(Unit *u, UnitActiveState os, UnitActiveState ns, bool reload_su if (u->job->state == JOB_RUNNING) { if (ns == UNIT_ACTIVE) - job_finish_and_invalidate(u->job, reload_success ? JOB_DONE : JOB_FAILED); + job_finish_and_invalidate(u->job, reload_success ? JOB_DONE : JOB_FAILED, true); else if (ns != UNIT_ACTIVATING && ns != UNIT_RELOADING) { unexpected = true; if (UNIT_IS_INACTIVE_OR_FAILED(ns)) - job_finish_and_invalidate(u->job, ns == UNIT_FAILED ? JOB_FAILED : JOB_DONE); + job_finish_and_invalidate(u->job, ns == UNIT_FAILED ? JOB_FAILED : JOB_DONE, true); } } @@ -1257,10 +1319,10 @@ void unit_notify(Unit *u, UnitActiveState os, UnitActiveState ns, bool reload_su case JOB_TRY_RESTART: if (UNIT_IS_INACTIVE_OR_FAILED(ns)) - job_finish_and_invalidate(u->job, JOB_DONE); + job_finish_and_invalidate(u->job, JOB_DONE, true); else if (u->job->state == JOB_RUNNING && ns != UNIT_DEACTIVATING) { unexpected = true; - job_finish_and_invalidate(u->job, JOB_FAILED); + job_finish_and_invalidate(u->job, JOB_FAILED, true); } break; @@ -1507,6 +1569,7 @@ bool unit_job_is_applicable(Unit *u, JobType j) { case JOB_VERIFY_ACTIVE: case JOB_START: case JOB_STOP: + case JOB_NOP: return true; case JOB_RESTART: @@ -1532,11 +1595,11 @@ int unit_add_dependency(Unit *u, UnitDependency d, Unit *other, bool add_referen [UNIT_WANTS] = UNIT_WANTED_BY, [UNIT_REQUISITE] = UNIT_REQUIRED_BY, [UNIT_REQUISITE_OVERRIDABLE] = UNIT_REQUIRED_BY_OVERRIDABLE, - [UNIT_BIND_TO] = UNIT_BOUND_BY, + [UNIT_BINDS_TO] = UNIT_BOUND_BY, [UNIT_REQUIRED_BY] = _UNIT_DEPENDENCY_INVALID, [UNIT_REQUIRED_BY_OVERRIDABLE] = _UNIT_DEPENDENCY_INVALID, [UNIT_WANTED_BY] = _UNIT_DEPENDENCY_INVALID, - [UNIT_BOUND_BY] = UNIT_BIND_TO, + [UNIT_BOUND_BY] = UNIT_BINDS_TO, [UNIT_CONFLICTS] = UNIT_CONFLICTED_BY, [UNIT_CONFLICTED_BY] = UNIT_CONFLICTS, [UNIT_BEFORE] = UNIT_AFTER, @@ -1546,8 +1609,8 @@ int unit_add_dependency(Unit *u, UnitDependency d, Unit *other, bool add_referen [UNIT_REFERENCED_BY] = UNIT_REFERENCES, [UNIT_TRIGGERS] = UNIT_TRIGGERED_BY, [UNIT_TRIGGERED_BY] = UNIT_TRIGGERS, - [UNIT_PROPAGATE_RELOAD_TO] = UNIT_PROPAGATE_RELOAD_FROM, - [UNIT_PROPAGATE_RELOAD_FROM] = UNIT_PROPAGATE_RELOAD_TO + [UNIT_PROPAGATES_RELOAD_TO] = UNIT_RELOAD_PROPAGATED_FROM, + [UNIT_RELOAD_PROPAGATED_FROM] = UNIT_PROPAGATES_RELOAD_TO }; int r, q = 0, v = 0, w = 0; @@ -1631,7 +1694,7 @@ static const char *resolve_template(Unit *u, const char *name, const char*path, assert(name || path); if (!name) - name = file_name_from_path(path); + name = path_get_file_name(path); if (!unit_name_is_template(name)) { *p = NULL; @@ -1772,20 +1835,12 @@ int set_unit_path(const char *p) { } char *unit_dbus_path(Unit *u) { - char *p, *e; - assert(u); if (!u->id) return NULL; - if (!(e = bus_path_escape(u->id))) - return NULL; - - p = strappend("/org/freedesktop/systemd1/unit/", e); - free(e); - - return p; + return unit_dbus_path_from_name(u->id); } int unit_add_cgroup(Unit *u, CGroupBonding *b) { @@ -1836,10 +1891,10 @@ static char *default_cgroup_path(Unit *u) { if (!t) return NULL; - p = join(u->manager->cgroup_hierarchy, "/", t, "/", u->instance, NULL); + p = strjoin(u->manager->cgroup_hierarchy, "/", t, "/", u->instance, NULL); free(t); } else - p = join(u->manager->cgroup_hierarchy, "/", u->id, NULL); + p = strjoin(u->manager->cgroup_hierarchy, "/", u->id, NULL); return p; } @@ -2140,7 +2195,7 @@ static char *specifier_cgroup_root(char specifier, void *data, void *userdata) { if (specifier == 'r') return strdup(u->manager->cgroup_hierarchy); - if (parent_of_path(u->manager->cgroup_hierarchy, &p) < 0) + if (path_get_parent(u->manager->cgroup_hierarchy, &p) < 0) return strdup(""); if (streq(p, "/")) { @@ -2166,6 +2221,72 @@ static char *specifier_runtime(char specifier, void *data, void *userdata) { return strdup("/run"); } +static char *specifier_user_name(char specifier, void *data, void *userdata) { + Service *s = userdata; + int r; + const char *username; + + /* get USER env from our own env if set */ + if (!s->exec_context.user) + return getusername_malloc(); + + /* fish username from passwd */ + username = s->exec_context.user; + r = get_user_creds(&username, NULL, NULL, NULL, NULL); + if (r < 0) + return NULL; + + return strdup(username); +} + +static char *specifier_user_home(char specifier, void *data, void *userdata) { + Service *s = userdata; + int r; + const char *username, *home; + + /* return HOME if set, otherwise from passwd */ + if (!s->exec_context.user) { + char *h; + + r = get_home_dir(&h); + if (r < 0) + return NULL; + + return h; + } + + username = s->exec_context.user; + r = get_user_creds(&username, NULL, NULL, &home, NULL); + if (r < 0) + return NULL; + + return strdup(home); +} + +static char *specifier_user_shell(char specifier, void *data, void *userdata) { + Service *s = userdata; + int r; + const char *username, *shell; + + /* return HOME if set, otherwise from passwd */ + if (!s->exec_context.user) { + char *sh; + + r = get_shell(&sh); + if (r < 0) + return strdup("/bin/sh"); + + return sh; + } + + username = s->exec_context.user; + r = get_user_creds(&username, NULL, NULL, NULL, &shell); + if (r < 0) + return strdup("/bin/sh"); + + return strdup(shell); +} + char *unit_name_printf(Unit *u, const char* format) { /* @@ -2201,6 +2322,8 @@ char *unit_full_printf(Unit *u, const char *format) { * %r root cgroup path of this systemd instance (e.g. "/user/lennart/shared/systemd-4711") * %R parent of root cgroup path (e.g. "/usr/lennart/shared") * %t the runtime directory to place sockets in (e.g. "/run" or $XDG_RUNTIME_DIR) + * %u the username of the configured User or running user + * %h the homedir of the configured User or running user */ const Specifier table[] = { @@ -2215,6 +2338,9 @@ char *unit_full_printf(Unit *u, const char *format) { { 'r', specifier_cgroup_root, NULL }, { 'R', specifier_cgroup_root, NULL }, { 't', specifier_runtime, NULL }, + { 'u', specifier_user_name, NULL }, + { 'h', specifier_user_home, NULL }, + { 's', specifier_user_shell, NULL }, { 0, NULL, NULL } }; @@ -2275,7 +2401,7 @@ bool unit_can_serialize(Unit *u) { return UNIT_VTABLE(u)->serialize && UNIT_VTABLE(u)->deserialize_item; } -int unit_serialize(Unit *u, FILE *f, FDSet *fds) { +int unit_serialize(Unit *u, FILE *f, FDSet *fds, bool serialize_jobs) { int r; assert(u); @@ -2288,8 +2414,18 @@ int unit_serialize(Unit *u, FILE *f, FDSet *fds) { if ((r = UNIT_VTABLE(u)->serialize(u, f, fds)) < 0) return r; - if (u->job) - unit_serialize_item(u, f, "job", job_type_to_string(u->job->type)); + + if (serialize_jobs) { + if (u->job) { + fprintf(f, "job\n"); + job_serialize(u->job, f, fds); + } + + if (u->nop_job) { + fprintf(f, "job\n"); + job_serialize(u->nop_job, f, fds); + } + } dual_timestamp_serialize(f, "inactive-exit-timestamp", &u->inactive_exit_timestamp); dual_timestamp_serialize(f, "active-enter-timestamp", &u->active_enter_timestamp); @@ -2368,13 +2504,38 @@ int unit_deserialize(Unit *u, FILE *f, FDSet *fds) { v = l+k; if (streq(l, "job")) { - JobType type; + if (v[0] == '\0') { + /* new-style serialized job */ + Job *j = job_new_raw(u); + if (!j) + return -ENOMEM; + + r = job_deserialize(j, f, fds); + if (r < 0) { + job_free(j); + return r; + } - if ((type = job_type_from_string(v)) < 0) - log_debug("Failed to parse job type value %s", v); - else - u->deserialized_job = type; + r = hashmap_put(u->manager->jobs, UINT32_TO_PTR(j->id), j); + if (r < 0) { + job_free(j); + return r; + } + r = job_install_deserialized(j); + if (r < 0) { + hashmap_remove(u->manager->jobs, UINT32_TO_PTR(j->id)); + job_free(j); + return r; + } + } else { + /* legacy */ + JobType type = job_type_from_string(v); + if (type < 0) + log_debug("Failed to parse job type value %s", v); + else + u->deserialized_job = type; + } continue; } else if (streq(l, "inactive-exit-timestamp")) { dual_timestamp_deserialize(v, &u->inactive_exit_timestamp); @@ -2422,7 +2583,8 @@ int unit_add_node_link(Unit *u, const char *what, bool wants) { if (!is_device_path(what)) return 0; - if (!(e = unit_name_build_escape(what+1, NULL, ".device"))) + e = unit_name_from_path(what, ".device"); + if (!e) return -ENOMEM; r = manager_load_unit(u->manager, e, NULL, NULL, &device); @@ -2431,7 +2593,7 @@ int unit_add_node_link(Unit *u, const char *what, bool wants) { if (r < 0) return r; - if ((r = unit_add_two_dependencies(u, UNIT_AFTER, UNIT_BIND_TO, device, true)) < 0) + if ((r = unit_add_two_dependencies(u, UNIT_AFTER, UNIT_BINDS_TO, device, true)) < 0) return r; if (wants) @@ -2450,8 +2612,14 @@ int unit_coldplug(Unit *u) { if ((r = UNIT_VTABLE(u)->coldplug(u)) < 0) return r; - if (u->deserialized_job >= 0) { - if ((r = manager_add_job(u->manager, u->deserialized_job, u, JOB_IGNORE_REQUIREMENTS, false, NULL, NULL)) < 0) + if (u->job) { + r = job_coldplug(u->job); + if (r < 0) + return r; + } else if (u->deserialized_job >= 0) { + /* legacy */ + r = manager_add_job(u->manager, u->deserialized_job, u, JOB_IGNORE_REQUIREMENTS, false, NULL, NULL); + if (r < 0) return r; u->deserialized_job = _JOB_TYPE_INVALID; @@ -2466,9 +2634,6 @@ void unit_status_printf(Unit *u, const char *status, const char *format, ...) { assert(u); assert(format); - if (!UNIT_VTABLE(u)->show_status) - return; - if (!manager_get_show_status(u->manager)) return; @@ -2481,11 +2646,11 @@ void unit_status_printf(Unit *u, const char *status, const char *format, ...) { } bool unit_need_daemon_reload(Unit *u) { + struct stat st; + assert(u); if (u->fragment_path) { - struct stat st; - zero(st); if (stat(u->fragment_path, &st) < 0) /* What, cannot access this anymore? */ @@ -2496,8 +2661,15 @@ bool unit_need_daemon_reload(Unit *u) { return true; } - if (UNIT_VTABLE(u)->need_daemon_reload) - return UNIT_VTABLE(u)->need_daemon_reload(u); + if (u->source_path) { + zero(st); + if (stat(u->source_path, &st) < 0) + return true; + + if (u->source_mtime > 0 && + timespec_load(&st.st_mtim) != u->source_mtime) + return true; + } return false; } @@ -2549,28 +2721,6 @@ bool unit_pending_active(Unit *u) { return false; } -UnitType unit_name_to_type(const char *n) { - UnitType t; - - assert(n); - - for (t = 0; t < _UNIT_TYPE_MAX; t++) - if (endswith(n, unit_vtable[t]->suffix)) - return t; - - return _UNIT_TYPE_INVALID; -} - -bool unit_name_is_valid(const char *n, bool template_ok) { - UnitType t; - - t = unit_name_to_type(n); - if (t < 0 || t >= _UNIT_TYPE_MAX) - return false; - - return unit_name_is_valid_no_type(n, template_ok); -} - int unit_kill(Unit *u, KillWho w, KillMode m, int signo, DBusError *error) { assert(u); assert(w >= 0 && w < _KILL_WHO_MAX); @@ -2604,7 +2754,7 @@ UnitFileState unit_get_unit_file_state(Unit *u) { if (u->unit_file_state < 0 && u->fragment_path) u->unit_file_state = unit_file_get_state( u->manager->running_as == MANAGER_SYSTEM ? UNIT_FILE_SYSTEM : UNIT_FILE_USER, - NULL, file_name_from_path(u->fragment_path)); + NULL, path_get_file_name(u->fragment_path)); return u->unit_file_state; } @@ -2631,15 +2781,57 @@ void unit_ref_unset(UnitRef *ref) { ref->unit = NULL; } -static const char* const unit_load_state_table[_UNIT_LOAD_STATE_MAX] = { - [UNIT_STUB] = "stub", - [UNIT_LOADED] = "loaded", - [UNIT_ERROR] = "error", - [UNIT_MERGED] = "merged", - [UNIT_MASKED] = "masked" -}; +int unit_add_one_mount_link(Unit *u, Mount *m) { + char **i; -DEFINE_STRING_TABLE_LOOKUP(unit_load_state, UnitLoadState); + assert(u); + assert(m); + + if (u->load_state != UNIT_LOADED || + UNIT(m)->load_state != UNIT_LOADED) + return 0; + + STRV_FOREACH(i, u->requires_mounts_for) { + + if (UNIT(m) == u) + continue; + + if (!path_startswith(*i, m->where)) + continue; + + return unit_add_two_dependencies(u, UNIT_AFTER, UNIT_REQUIRES, UNIT(m), true); + } + + return 0; +} + +int unit_add_mount_links(Unit *u) { + Unit *other; + int r; + + assert(u); + + LIST_FOREACH(units_by_type, other, u->manager->units_by_type[UNIT_MOUNT]) { + r = unit_add_one_mount_link(u, MOUNT(other)); + if (r < 0) + return r; + } + + return 0; +} + +int unit_patch_working_directory(Unit *u, ExecContext *c) { + assert(u); + assert(c); + + if (u->manager->running_as != MANAGER_USER) + return 0; + + if (c->working_directory) + return 0; + + return get_home_dir(&c->working_directory); +} static const char* const unit_active_state_table[_UNIT_ACTIVE_STATE_MAX] = { [UNIT_ACTIVE] = "active", @@ -2660,7 +2852,7 @@ static const char* const unit_dependency_table[_UNIT_DEPENDENCY_MAX] = { [UNIT_REQUISITE_OVERRIDABLE] = "RequisiteOverridable", [UNIT_REQUIRED_BY] = "RequiredBy", [UNIT_REQUIRED_BY_OVERRIDABLE] = "RequiredByOverridable", - [UNIT_BIND_TO] = "BindTo", + [UNIT_BINDS_TO] = "BindsTo", [UNIT_WANTED_BY] = "WantedBy", [UNIT_CONFLICTS] = "Conflicts", [UNIT_CONFLICTED_BY] = "ConflictedBy", @@ -2672,8 +2864,8 @@ static const char* const unit_dependency_table[_UNIT_DEPENDENCY_MAX] = { [UNIT_ON_FAILURE] = "OnFailure", [UNIT_TRIGGERS] = "Triggers", [UNIT_TRIGGERED_BY] = "TriggeredBy", - [UNIT_PROPAGATE_RELOAD_TO] = "PropagateReloadTo", - [UNIT_PROPAGATE_RELOAD_FROM] = "PropagateReloadFrom" + [UNIT_PROPAGATES_RELOAD_TO] = "PropagatesReloadTo", + [UNIT_RELOAD_PROPAGATED_FROM] = "ReloadPropagatedFrom" }; DEFINE_STRING_TABLE_LOOKUP(unit_dependency, UnitDependency);