X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;ds=sidebyside;f=src%2Fmanager.c;h=c1f70e815cbad67669c8956d9e0b9933d5d3aa40;hb=54165a39391980defef3bf3356041aac960f64af;hp=5e627ba9c674dd14b030882aed7335f06818ac0a;hpb=33be102a214e7010949496549f4c737b0f8269a3;p=elogind.git diff --git a/src/manager.c b/src/manager.c index 5e627ba9c..c1f70e815 100644 --- a/src/manager.c +++ b/src/manager.c @@ -32,7 +32,6 @@ #include #include #include -#include #include #include #include @@ -70,7 +69,6 @@ static int manager_setup_notify(Manager *m) { struct sockaddr_un un; } sa; struct epoll_event ev; - char *ne[2], **t; int one = 1; assert(m); @@ -106,19 +104,9 @@ static int manager_setup_notify(Manager *m) { if (epoll_ctl(m->epoll_fd, EPOLL_CTL_ADD, m->notify_watch.fd, &ev) < 0) return -errno; - if (asprintf(&ne[0], "NOTIFY_SOCKET=@%s", sa.un.sun_path+1) < 0) + if (!(m->notify_socket = strdup(sa.un.sun_path+1))) return -ENOMEM; - ne[1] = NULL; - t = strv_env_merge(2, m->environment, ne); - free(ne[0]); - - if (!t) - return -ENOMEM; - - strv_free(m->environment); - m->environment = t; - return 0; } @@ -188,13 +176,13 @@ static int manager_setup_signals(Manager *m) { if (epoll_ctl(m->epoll_fd, EPOLL_CTL_ADD, m->signal_watch.fd, &ev) < 0) return -errno; - if (m->running_as == MANAGER_INIT) + if (m->running_as == MANAGER_SYSTEM) return enable_special_signals(m); return 0; } -int manager_new(ManagerRunningAs running_as, bool confirm_spawn, Manager **_m) { +int manager_new(ManagerRunningAs running_as, Manager **_m) { Manager *m; int r = -ENOMEM; char *p; @@ -206,11 +194,10 @@ int manager_new(ManagerRunningAs running_as, bool confirm_spawn, Manager **_m) { if (!(m = new0(Manager, 1))) return -ENOMEM; - timestamp_get(&m->startup_timestamp); + dual_timestamp_get(&m->startup_timestamp); m->running_as = running_as; - m->confirm_spawn = confirm_spawn; - m->name_data_slot = -1; + m->name_data_slot = m->subscribed_data_slot = -1; m->exit_code = _MANAGER_EXIT_CODE_INVALID; m->pin_cgroupfs_fd = -1; @@ -254,8 +241,7 @@ int manager_new(ManagerRunningAs running_as, bool confirm_spawn, Manager **_m) { goto fail; /* Try to connect to the busses, if possible. */ - if ((r = bus_init_system(m)) < 0 || - (r = bus_init_api(m)) < 0) + if ((r = bus_init(m)) < 0) goto fail; if (asprintf(&p, "%s/%s", m->cgroup_mount_point, m->cgroup_hierarchy) < 0) { @@ -283,7 +269,7 @@ static unsigned manager_dispatch_cleanup_queue(Manager *m) { while ((meta = m->cleanup_queue)) { assert(meta->in_cleanup_queue); - unit_free(UNIT(meta)); + unit_free((Unit*) meta); n++; } @@ -373,7 +359,7 @@ static unsigned manager_dispatch_gc_queue(Manager *m) { while ((meta = m->gc_queue)) { assert(meta->in_gc_queue); - unit_gc_sweep(UNIT(meta), gc_marker); + unit_gc_sweep((Unit*) meta, gc_marker); LIST_REMOVE(Meta, gc_queue, m->gc_queue, meta); meta->in_gc_queue = false; @@ -384,7 +370,7 @@ static unsigned manager_dispatch_gc_queue(Manager *m) { meta->gc_marker == gc_marker + GC_OFFSET_UNSURE) { log_debug("Collecting %s", meta->id); meta->gc_marker = gc_marker + GC_OFFSET_BAD; - unit_add_to_cleanup_queue(UNIT(meta)); + unit_add_to_cleanup_queue((Unit*) meta); } } @@ -433,10 +419,10 @@ void manager_free(Manager *m) { /* If we reexecute ourselves, we keep the root cgroup * around */ - manager_shutdown_cgroup(m, m->exit_code != MANAGER_REEXECUTE); + if (m->exit_code != MANAGER_REEXECUTE) + manager_shutdown_cgroup(m); - bus_done_api(m); - bus_done_system(m); + bus_done(m); hashmap_free(m->units); hashmap_free(m->jobs); @@ -451,6 +437,8 @@ void manager_free(Manager *m) { if (m->notify_watch.fd >= 0) close_nointr_nofail(m->notify_watch.fd); + free(m->notify_socket); + lookup_paths_free(&m->lookup_paths); strv_free(m->environment); @@ -701,7 +689,7 @@ static int delete_one_unmergeable_job(Manager *m, Job *j) { return -ENOEXEC; /* Ok, we can drop one, so let's do so. */ - log_debug("Trying to fix job merging by deleting job %s/%s", d->unit->meta.id, job_type_to_string(d->type)); + log_notice("Trying to fix job merging by deleting job %s/%s", d->unit->meta.id, job_type_to_string(d->type)); transaction_delete_job(m, d, true); return 0; } @@ -852,17 +840,17 @@ static int transaction_verify_order_one(Manager *m, Job *j, Job *from, unsigned * job to remove. We use the marker to find our way * back, since smart how we are we stored our way back * in there. */ - log_debug("Found ordering cycle on %s/%s", j->unit->meta.id, job_type_to_string(j->type)); + log_warning("Found ordering cycle on %s/%s", j->unit->meta.id, job_type_to_string(j->type)); for (k = from; k; k = ((k->generation == generation && k->marker != k) ? k->marker : NULL)) { - log_debug("Walked on cycle path to %s/%s", k->unit->meta.id, job_type_to_string(k->type)); + log_info("Walked on cycle path to %s/%s", k->unit->meta.id, job_type_to_string(k->type)); if (!k->installed && !unit_matters_to_anchor(k->unit, k)) { /* Ok, we can drop this one, so let's * do so. */ - log_debug("Breaking order cycle by deleting job %s/%s", k->unit->meta.id, job_type_to_string(k->type)); + log_warning("Breaking order cycle by deleting job %s/%s", k->unit->meta.id, job_type_to_string(k->type)); transaction_delete_unit(m, k->unit); return -EAGAIN; } @@ -873,7 +861,7 @@ static int transaction_verify_order_one(Manager *m, Job *j, Job *from, unsigned break; } - log_debug("Unable to break cycle"); + log_error("Unable to break cycle"); return -ENOEXEC; } @@ -1016,13 +1004,13 @@ static void transaction_minimize_impact(Manager *m) { continue; if (stops_running_service) - log_debug("%s/%s would stop a running service.", j->unit->meta.id, job_type_to_string(j->type)); + log_info("%s/%s would stop a running service.", j->unit->meta.id, job_type_to_string(j->type)); if (changes_existing_job) - log_debug("%s/%s would change existing job.", j->unit->meta.id, job_type_to_string(j->type)); + log_info("%s/%s would change existing job.", j->unit->meta.id, job_type_to_string(j->type)); /* Ok, let's get rid of this */ - log_debug("Deleting %s/%s to minimize impact.", j->unit->meta.id, job_type_to_string(j->type)); + log_info("Deleting %s/%s to minimize impact.", j->unit->meta.id, job_type_to_string(j->type)); transaction_delete_job(m, j, true); again = true; @@ -1123,7 +1111,7 @@ static int transaction_activate(Manager *m, JobMode mode) { break; if (r != -EAGAIN) { - log_debug("Requested transaction contains an unfixable cyclic ordering dependency: %s", strerror(-r)); + log_warning("Requested transaction contains an unfixable cyclic ordering dependency: %s", strerror(-r)); goto rollback; } @@ -1139,7 +1127,7 @@ static int transaction_activate(Manager *m, JobMode mode) { break; if (r != -EAGAIN) { - log_debug("Requested transaction contains unmergable jobs: %s", strerror(-r)); + log_warning("Requested transaction contains unmergable jobs: %s", strerror(-r)); goto rollback; } @@ -1157,13 +1145,13 @@ static int transaction_activate(Manager *m, JobMode mode) { /* Ninth step: check whether we can actually apply this */ if (mode == JOB_FAIL) if ((r = transaction_is_destructive(m)) < 0) { - log_debug("Requested transaction contradicts existing jobs: %s", strerror(-r)); + log_notice("Requested transaction contradicts existing jobs: %s", strerror(-r)); goto rollback; } /* Tenth step: apply changes */ if ((r = transaction_apply(m)) < 0) { - log_debug("Failed to apply transaction: %s", strerror(-r)); + log_warning("Failed to apply transaction: %s", strerror(-r)); goto rollback; } @@ -1250,7 +1238,7 @@ void manager_transaction_unlink_job(Manager *m, Job *j, bool delete_dependencies job_dependency_free(j->object_list); if (other && delete_dependencies) { - log_debug("Deleting job %s/%s as dependency of job %s/%s", + log_info("Deleting job %s/%s as dependency of job %s/%s", other->unit->meta.id, job_type_to_string(other->type), j->unit->meta.id, job_type_to_string(j->type)); transaction_delete_job(m, other, delete_dependencies); @@ -1354,7 +1342,7 @@ static int transaction_add_isolate_jobs(Manager *m) { continue; /* No need to stop inactive jobs */ - if (unit_active_state(u) == UNIT_INACTIVE) + if (UNIT_IS_INACTIVE_OR_MAINTENANCE(unit_active_state(u))) continue; /* Is there already something listed for this? */ @@ -1450,7 +1438,7 @@ unsigned manager_dispatch_load_queue(Manager *m) { while ((meta = m->load_queue)) { assert(meta->in_load_queue); - unit_load(UNIT(meta)); + unit_load((Unit*) meta); n++; } @@ -1596,7 +1584,7 @@ unsigned manager_dispatch_dbus_queue(Manager *m) { while ((meta = m->dbus_unit_queue)) { assert(meta->in_dbus_queue); - bus_unit_send_change_signal(UNIT(meta)); + bus_unit_send_change_signal((Unit*) meta); n++; } @@ -1665,14 +1653,15 @@ static int manager_process_notify_fd(Manager *m) { continue; } - char_array_0(buf); + assert((size_t) n < sizeof(buf)); + buf[n] = 0; if (!(tags = strv_split(buf, "\n\r"))) return -ENOMEM; log_debug("Got notification message for unit %s", u->meta.id); if (UNIT_VTABLE(u)->notify_message) - UNIT_VTABLE(u)->notify_message(u, tags); + UNIT_VTABLE(u)->notify_message(u, ucred->pid, tags); strv_free(tags); } @@ -1711,7 +1700,7 @@ static int manager_dispatch_sigchld(Manager *m) { char *name = NULL; get_process_name(si.si_pid, &name); - log_debug("Got SIGCHLD for process %llu (%s)", (unsigned long long) si.si_pid, strna(name)); + log_debug("Got SIGCHLD for process %lu (%s)", (unsigned long) si.si_pid, strna(name)); free(name); } @@ -1737,8 +1726,8 @@ static int manager_dispatch_sigchld(Manager *m) { if (si.si_code != CLD_EXITED && si.si_code != CLD_KILLED && si.si_code != CLD_DUMPED) continue; - log_debug("Child %llu died (code=%s, status=%i/%s)", - (long long unsigned) si.si_pid, + log_debug("Child %lu died (code=%s, status=%i/%s)", + (long unsigned) si.si_pid, sigchld_code_to_string(si.si_code), si.si_status, strna(si.si_code == CLD_EXITED ? exit_status_to_string(si.si_status) : strsignal(si.si_status))); @@ -1790,7 +1779,7 @@ static int manager_process_signal_fd(Manager *m) { break; case SIGTERM: - if (m->running_as == MANAGER_INIT) { + if (m->running_as == MANAGER_SYSTEM) { /* This is for compatibility with the * original sysvinit */ m->exit_code = MANAGER_REEXECUTE; @@ -1800,7 +1789,7 @@ static int manager_process_signal_fd(Manager *m) { /* Fall through */ case SIGINT: - if (m->running_as == MANAGER_INIT) { + if (m->running_as == MANAGER_SYSTEM) { manager_start_target(m, SPECIAL_CTRL_ALT_DEL_TARGET, JOB_REPLACE); break; } @@ -1814,14 +1803,14 @@ static int manager_process_signal_fd(Manager *m) { break; case SIGWINCH: - if (m->running_as == MANAGER_INIT) + if (m->running_as == MANAGER_SYSTEM) manager_start_target(m, SPECIAL_KBREQUEST_TARGET, JOB_REPLACE); /* This is a nop on non-init */ break; case SIGPWR: - if (m->running_as == MANAGER_INIT) + if (m->running_as == MANAGER_SYSTEM) manager_start_target(m, SPECIAL_SIGPWR_TARGET, JOB_REPLACE); /* This is a nop on non-init */ @@ -1834,8 +1823,7 @@ static int manager_process_signal_fd(Manager *m) { if (!u || UNIT_IS_ACTIVE_OR_RELOADING(unit_active_state(u))) { log_info("Trying to reconnect to bus..."); - bus_init_system(m); - bus_init_api(m); + bus_init(m); } if (!u || !UNIT_IS_ACTIVE_OR_ACTIVATING(unit_active_state(u))) { @@ -1890,7 +1878,7 @@ static int manager_process_signal_fd(Manager *m) { if ((int) sfsi.ssi_signo >= SIGRTMIN+0 && (int) sfsi.ssi_signo < SIGRTMIN+(int) ELEMENTSOF(table)) { manager_start_target(m, table[sfsi.ssi_signo - SIGRTMIN], - sfsi.ssi_signo == 2 ? JOB_ISOLATE : JOB_REPLACE); + (sfsi.ssi_signo == 1 || sfsi.ssi_signo == 2) ? JOB_ISOLATE : JOB_REPLACE); break; } @@ -2116,7 +2104,7 @@ void manager_write_utmp_reboot(Manager *m) { if (m->utmp_reboot_written) return; - if (m->running_as != MANAGER_INIT) + if (m->running_as != MANAGER_SYSTEM) return; if (!manager_utmp_good(m)) @@ -2142,7 +2130,7 @@ void manager_write_utmp_runlevel(Manager *m, Unit *u) { if (u->meta.type != UNIT_TARGET) return; - if (m->running_as != MANAGER_INIT) + if (m->running_as != MANAGER_SYSTEM) return; if (!manager_utmp_good(m)) @@ -2347,8 +2335,23 @@ finish: return r; } +bool manager_is_booting_or_shutting_down(Manager *m) { + Unit *u; + + assert(m); + + /* Is the initial job still around? */ + if (manager_get_job(m, 1)) + return true; + + /* Is there a job for the shutdown target? */ + if (((u = manager_get_unit(m, SPECIAL_SHUTDOWN_TARGET)))) + return !!u->meta.job; + + return false; +} + static const char* const manager_running_as_table[_MANAGER_RUNNING_AS_MAX] = { - [MANAGER_INIT] = "init", [MANAGER_SYSTEM] = "system", [MANAGER_SESSION] = "session" };