X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fsocket.c;h=7dc205abde362a1d256a0e0a930e3881a9373ca0;hp=fc6088c261819daa913e5973ccdd0f17d00b7cfe;hb=e2f3b44cfc8864bfea7c77ff4c383ce9b535f27e;hpb=169c1bda807d183a362b47efe0b5b56e9320e430 diff --git a/src/socket.c b/src/socket.c index fc6088c26..7dc205abd 100644 --- a/src/socket.c +++ b/src/socket.c @@ -301,11 +301,15 @@ static int socket_add_default_dependencies(Socket *s) { int r; assert(s); - if (s->meta.manager->running_as == MANAGER_SYSTEM) + if (s->meta.manager->running_as == MANAGER_SYSTEM) { + if ((r = unit_add_dependency_by_name(UNIT(s), UNIT_BEFORE, SPECIAL_SOCKETS_TARGET, NULL, true)) < 0) + return r; + if ((r = unit_add_two_dependencies_by_name(UNIT(s), UNIT_AFTER, UNIT_REQUIRES, SPECIAL_SYSINIT_TARGET, NULL, true)) < 0) return r; + } - return unit_add_two_dependencies_by_name(UNIT(s), UNIT_BEFORE, UNIT_CONFLICTED_BY, SPECIAL_SHUTDOWN_TARGET, NULL, true); + return unit_add_two_dependencies_by_name(UNIT(s), UNIT_BEFORE, UNIT_CONFLICTS, SPECIAL_SHUTDOWN_TARGET, NULL, true); } static int socket_load(Unit *u) { @@ -340,7 +344,7 @@ static int socket_load(Unit *u) { if ((r = unit_add_exec_dependencies(u, &s->exec_context)) < 0) return r; - if ((r = unit_add_default_cgroup(u)) < 0) + if ((r = unit_add_default_cgroups(u)) < 0) return r; if (s->meta.default_dependencies) @@ -876,7 +880,7 @@ static void socket_set_state(Socket *s, SocketState state) { socket_state_to_string(old_state), socket_state_to_string(state)); - unit_notify(UNIT(s), state_translation_table[old_state], state_translation_table[state]); + unit_notify(UNIT(s), state_translation_table[old_state], state_translation_table[state], true); } static int socket_coldplug(Unit *u) { @@ -1684,8 +1688,13 @@ static void socket_timer_event(Unit *u, uint64_t elapsed, Watch *w) { break; case SOCKET_STOP_PRE_SIGTERM: - log_warning("%s stopping timed out. Killing.", u->meta.id); - socket_enter_signal(s, SOCKET_STOP_PRE_SIGKILL, false); + if (s->exec_context.send_sigkill) { + log_warning("%s stopping timed out. Killing.", u->meta.id); + socket_enter_signal(s, SOCKET_STOP_PRE_SIGKILL, false); + } else { + log_warning("%s stopping timed out. Skipping SIGKILL. Ignoring.", u->meta.id); + socket_enter_stop_post(s, false); + } break; case SOCKET_STOP_PRE_SIGKILL: @@ -1699,8 +1708,13 @@ static void socket_timer_event(Unit *u, uint64_t elapsed, Watch *w) { break; case SOCKET_FINAL_SIGTERM: - log_warning("%s stopping timed out (2). Killing.", u->meta.id); - socket_enter_signal(s, SOCKET_FINAL_SIGKILL, false); + if (s->exec_context.send_sigkill) { + log_warning("%s stopping timed out (2). Killing.", u->meta.id); + socket_enter_signal(s, SOCKET_FINAL_SIGKILL, false); + } else { + log_warning("%s stopping timed out (2). Skipping SIGKILL. Ignoring.", u->meta.id); + socket_enter_dead(s, false); + } break; case SOCKET_FINAL_SIGKILL: @@ -1784,6 +1798,52 @@ static void socket_reset_failed(Unit *u) { s->failure = false; } +static int socket_kill(Unit *u, KillWho who, KillMode mode, int signo, DBusError *error) { + Socket *s = SOCKET(u); + int r = 0; + Set *pid_set = NULL; + + assert(s); + + if (who == KILL_MAIN) { + dbus_set_error(error, BUS_ERROR_NO_SUCH_PROCESS, "Socket units have no main processes"); + return -EINVAL; + } + + if (s->control_pid <= 0 && who == KILL_CONTROL) { + dbus_set_error(error, BUS_ERROR_NO_SUCH_PROCESS, "No control process to kill"); + return -ENOENT; + } + + if (s->control_pid > 0) + if (kill(mode == KILL_PROCESS_GROUP ? -s->control_pid : s->control_pid, signo) < 0) + r = -errno; + + if (mode == KILL_CONTROL_GROUP) { + int q; + + if (!(pid_set = set_new(trivial_hash_func, trivial_compare_func))) + return -ENOMEM; + + /* Exclude the control pid from being killed via the cgroup */ + if (s->control_pid > 0) + if ((q = set_put(pid_set, LONG_TO_PTR(s->control_pid))) < 0) { + r = q; + goto finish; + } + + if ((q = cgroup_bonding_kill_list(s->meta.cgroup_bondings, signo, pid_set)) < 0) + if (r != -EAGAIN && r != -ESRCH && r != -ENOENT) + r = q; + } + +finish: + if (pid_set) + set_free(pid_set); + + return r; +} + static const char* const socket_state_table[_SOCKET_STATE_MAX] = { [SOCKET_DEAD] = "dead", [SOCKET_START_PRE] = "start-pre", @@ -1817,6 +1877,8 @@ const UnitVTable socket_vtable = { .done = socket_done, .load = socket_load, + .kill = socket_kill, + .coldplug = socket_coldplug, .dump = socket_dump,