X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fcore%2Fservice.c;h=eeabe8fb01ec83b22ee653479360f1be95d39d3e;hp=28049a33c70ee61d576dd056b8a760f47db5cac6;hb=62bca2c657bf95fd1f69935eef09915afa5c69d9;hpb=c69182961b00707d977957cf81d5c41cfbeab429 diff --git a/src/core/service.c b/src/core/service.c index 28049a33c..eeabe8fb0 100644 --- a/src/core/service.c +++ b/src/core/service.c @@ -108,8 +108,29 @@ static const UnitActiveState state_translation_table[_SERVICE_STATE_MAX] = { [SERVICE_AUTO_RESTART] = UNIT_ACTIVATING }; +/* For Type=idle we never want to delay any other jobs, hence we + * consider idle jobs active as soon as we start working on them */ +static const UnitActiveState state_translation_table_idle[_SERVICE_STATE_MAX] = { + [SERVICE_DEAD] = UNIT_INACTIVE, + [SERVICE_START_PRE] = UNIT_ACTIVE, + [SERVICE_START] = UNIT_ACTIVE, + [SERVICE_START_POST] = UNIT_ACTIVE, + [SERVICE_RUNNING] = UNIT_ACTIVE, + [SERVICE_EXITED] = UNIT_ACTIVE, + [SERVICE_RELOAD] = UNIT_RELOADING, + [SERVICE_STOP] = UNIT_DEACTIVATING, + [SERVICE_STOP_SIGTERM] = UNIT_DEACTIVATING, + [SERVICE_STOP_SIGKILL] = UNIT_DEACTIVATING, + [SERVICE_STOP_POST] = UNIT_DEACTIVATING, + [SERVICE_FINAL_SIGTERM] = UNIT_DEACTIVATING, + [SERVICE_FINAL_SIGKILL] = UNIT_DEACTIVATING, + [SERVICE_FAILED] = UNIT_FAILED, + [SERVICE_AUTO_RESTART] = UNIT_ACTIVATING +}; + static void service_init(Unit *u) { Service *s = SERVICE(u); + int i; assert(u); assert(u->load_state == UNIT_STUB); @@ -129,6 +150,9 @@ static void service_init(Unit *u) { s->guess_main_pid = true; exec_context_init(&s->exec_context); + for (i = 0; i < RLIMIT_NLIMITS; i++) + if (UNIT(s)->manager->rlimit[i]) + s->exec_context.rlimit[i] = newdup(struct rlimit, UNIT(s)->manager->rlimit[i], 1); RATELIMIT_INIT(s->start_limit, 10*USEC_PER_SEC, 5); @@ -260,9 +284,6 @@ static void service_done(Unit *u) { s->pid_file = NULL; #ifdef HAVE_SYSV_COMPAT - free(s->sysv_path); - s->sysv_path = NULL; - free(s->sysv_runlevels); s->sysv_runlevels = NULL; #endif @@ -500,17 +521,21 @@ static int sysv_exec_commands(Service *s) { ExecCommand *c; assert(s); - assert(s->sysv_path); + assert(s->is_sysv); + assert(UNIT(s)->source_path); - if (!(c = exec_command_new(s->sysv_path, "start"))) + c = exec_command_new(UNIT(s)->source_path, "start"); + if (!c) return -ENOMEM; exec_command_append_list(s->exec_command+SERVICE_EXEC_START, c); - if (!(c = exec_command_new(s->sysv_path, "stop"))) + c = exec_command_new(UNIT(s)->source_path, "stop"); + if (!c) return -ENOMEM; exec_command_append_list(s->exec_command+SERVICE_EXEC_STOP, c); - if (!(c = exec_command_new(s->sysv_path, "reload"))) + c = exec_command_new(UNIT(s)->source_path, "reload"); + if (!c) return -ENOMEM; exec_command_append_list(s->exec_command+SERVICE_EXEC_RELOAD, c); @@ -536,7 +561,8 @@ static int service_load_sysv_path(Service *s, const char *path) { u = UNIT(s); - if (!(f = fopen(path, "re"))) { + f = fopen(path, "re"); + if (!f) { r = errno == ENOENT ? 0 : -errno; goto finish; } @@ -547,13 +573,13 @@ static int service_load_sysv_path(Service *s, const char *path) { goto finish; } - free(s->sysv_path); - if (!(s->sysv_path = strdup(path))) { + free(u->source_path); + u->source_path = strdup(path); + if (!u->source_path) { r = -ENOMEM; goto finish; } - - s->sysv_mtime = timespec_load(&st.st_mtim); + u->source_mtime = timespec_load(&st.st_mtim); if (null_or_empty(&st)) { u->load_state = UNIT_MASKED; @@ -561,6 +587,8 @@ static int service_load_sysv_path(Service *s, const char *path) { goto finish; } + s->is_sysv = true; + while (!feof(f)) { char l[LINE_MAX], *t; @@ -1221,6 +1249,10 @@ static int service_load(Unit *u) { if (s->type == _SERVICE_TYPE_INVALID) s->type = s->bus_name ? SERVICE_DBUS : SERVICE_SIMPLE; + /* Oneshot services have disabled timeout by default */ + if (s->type == SERVICE_ONESHOT && !s->timeout_defined) + s->timeout_usec = 0; + service_fix_output(s); if ((r = unit_add_exec_dependencies(u, &s->exec_context)) < 0) @@ -1333,12 +1365,10 @@ static void service_dump(Unit *u, FILE *f, const char *prefix) { } #ifdef HAVE_SYSV_COMPAT - if (s->sysv_path) + if (s->is_sysv) fprintf(f, - "%sSysV Init Script Path: %s\n" "%sSysV Init Script has LSB Header: %s\n" "%sSysVEnabled: %s\n", - prefix, s->sysv_path, prefix, yes_no(s->sysv_has_lsb), prefix, yes_no(s->sysv_enabled)); @@ -1465,8 +1495,11 @@ static void service_notify_sockets_dead(Service *s, bool failed_permanent) { static void service_set_state(Service *s, ServiceState state) { ServiceState old_state; + const UnitActiveState *table; assert(s); + table = s->type == SERVICE_IDLE ? state_translation_table_idle : state_translation_table; + old_state = s->state; s->state = state; @@ -1549,7 +1582,7 @@ static void service_set_state(Service *s, ServiceState state) { if (old_state != state) log_debug("%s changed %s -> %s", UNIT(s)->id, service_state_to_string(old_state), service_state_to_string(state)); - unit_notify(UNIT(s), state_translation_table[old_state], state_translation_table[state], s->reload_result == SERVICE_SUCCESS); + unit_notify(UNIT(s), table[old_state], table[state], s->reload_result == SERVICE_SUCCESS); s->reload_result = SERVICE_SUCCESS; } @@ -1777,6 +1810,7 @@ static int service_spawn( UNIT(s)->cgroup_bondings, UNIT(s)->cgroup_attributes, is_control ? "control" : NULL, + UNIT(s)->id, s->type == SERVICE_IDLE ? UNIT(s)->manager->idle_pipe : NULL, &pid); @@ -2128,7 +2162,7 @@ static void service_enter_start(Service *s) { r = service_spawn(s, c, - s->type == SERVICE_FORKING || s->type == SERVICE_DBUS || s->type == SERVICE_NOTIFY, + s->type == SERVICE_FORKING || s->type == SERVICE_DBUS || s->type == SERVICE_NOTIFY || s->type == SERVICE_ONESHOT, true, true, true, @@ -2228,6 +2262,8 @@ static void service_enter_restart(Service *s) { if ((r = unit_watch_timer(UNIT(s), s->restart_usec, &s->timer_watch)) < 0) goto fail; + + return; } /* Any units that are bound to this service must also be @@ -2341,7 +2377,7 @@ static void service_run_next_main(Service *s) { r = service_spawn(s, s->main_command, - false, + true, true, true, true, @@ -2430,7 +2466,16 @@ static int service_start(Unit *u) { s->state == SERVICE_START_POST) return 0; - assert(s->state == SERVICE_DEAD || s->state == SERVICE_FAILED || s->state == SERVICE_AUTO_RESTART); + /* A service that will be restarted must be stopped first to + * trigger BindTo and/or OnFailure dependencies. If a user + * does not want to wait for the holdoff time to elapse, the + * service should be manually restarted, not started. */ + if (s->state == SERVICE_AUTO_RESTART) { + log_warning("%s automatic restart is pending, must be stopped before issuing start request.", UNIT(s)->id); + return -ECANCELED; + } + + assert(s->state == SERVICE_DEAD || s->state == SERVICE_FAILED); /* Make sure we don't enter a busy loop of some kind. */ r = service_start_limit_test(s); @@ -2454,8 +2499,7 @@ static int service_stop(Unit *u) { assert(s); - /* This is a user request, so don't do restarts on this - * shutdown. */ + /* Don't create restart jobs from here. */ s->forbid_restart = true; /* Already on it */ @@ -2467,9 +2511,9 @@ static int service_stop(Unit *u) { s->state == SERVICE_FINAL_SIGKILL) return 0; - /* Don't allow a restart */ + /* A restart will be scheduled or is in progress. */ if (s->state == SERVICE_AUTO_RESTART) { - service_set_state(s, SERVICE_DEAD); + service_enter_dead(s, SERVICE_SUCCESS, false); return 0; } @@ -2678,9 +2722,13 @@ static int service_deserialize_item(Unit *u, const char *key, const char *value, } static UnitActiveState service_active_state(Unit *u) { + const UnitActiveState *table; + assert(u); - return state_translation_table[SERVICE(u)->state]; + table = SERVICE(u)->type == SERVICE_IDLE ? state_translation_table_idle : state_translation_table; + + return table[SERVICE(u)->state]; } static const char *service_sub_state_to_string(Unit *u) { @@ -2702,7 +2750,7 @@ static bool service_check_gc(Unit *u) { return true; #ifdef HAVE_SYSV_COMPAT - if (s->sysv_path) + if (s->is_sysv) return true; #endif @@ -3612,29 +3660,6 @@ static void service_reset_failed(Unit *u) { s->reload_result = SERVICE_SUCCESS; } -static bool service_need_daemon_reload(Unit *u) { - Service *s = SERVICE(u); - - assert(s); - -#ifdef HAVE_SYSV_COMPAT - if (s->sysv_path) { - struct stat st; - - zero(st); - if (stat(s->sysv_path, &st) < 0) - /* What, cannot access this anymore? */ - return true; - - if (s->sysv_mtime > 0 && - timespec_load(&st.st_mtim) != s->sysv_mtime) - return true; - } -#endif - - return false; -} - static int service_kill(Unit *u, KillWho who, KillMode mode, int signo, DBusError *error) { Service *s = SERVICE(u); int r = 0; @@ -3812,8 +3837,6 @@ const UnitVTable service_vtable = { .reset_failed = service_reset_failed, - .need_daemon_reload = service_need_daemon_reload, - .cgroup_notify_empty = service_cgroup_notify_event, .notify_message = service_notify_message,