static int service_dispatch_watchdog(sd_event_source *source, usec_t usec, void *userdata);
static void service_enter_signal(Service *s, ServiceState state, ServiceResult f);
+static void service_enter_reload_by_notify(Service *s);
static void service_init(Unit *u) {
Service *s = SERVICE(u);
if (!s->pid_file_pathspec)
return;
- log_debug_unit(UNIT(s)->id, "Stopping watch for %s's PID file %s",
- UNIT(s)->id, s->pid_file_pathspec->path);
+ log_debug_unit(UNIT(s)->id, "Stopping watch for %s's PID file %s", UNIT(s)->id, s->pid_file_pathspec->path);
path_spec_unwatch(s->pid_file_pathspec);
path_spec_done(s->pid_file_pathspec);
free(s->pid_file_pathspec);
s->main_pid_known = true;
if (get_parent_of_pid(pid, &ppid) >= 0 && ppid != getpid()) {
- log_warning_unit(UNIT(s)->id,
- "%s: Supervising process "PID_FMT" which is not our child. We'll most likely not notice when it exits.",
- UNIT(s)->id, pid);
-
+ log_warning_unit(UNIT(s)->id, "%s: Supervising process "PID_FMT" which is not our child. We'll most likely not notice when it exits.", UNIT(s)->id, pid);
s->main_pid_alien = true;
} else
s->main_pid_alien = false;
static void service_close_socket_fd(Service *s) {
assert(s);
- if (s->socket_fd < 0)
- return;
-
s->socket_fd = asynchronous_close(s->socket_fd);
}
if (UNIT(s)->load_state != UNIT_LOADED)
return 0;
- if (!s->exec_command[SERVICE_EXEC_START]) {
- log_error_unit(UNIT(s)->id, "%s lacks ExecStart setting. Refusing.", UNIT(s)->id);
+ if (!s->exec_command[SERVICE_EXEC_START] && !s->exec_command[SERVICE_EXEC_STOP]) {
+ log_error_unit(UNIT(s)->id, "%s lacks both ExecStart= and ExecStop= setting. Refusing.", UNIT(s)->id);
return -EINVAL;
}
- if (s->type != SERVICE_ONESHOT &&
- s->exec_command[SERVICE_EXEC_START]->command_next) {
- log_error_unit(UNIT(s)->id, "%s has more than one ExecStart setting, which is only allowed for Type=oneshot services. Refusing.", UNIT(s)->id);
+ if (s->type != SERVICE_ONESHOT && !s->exec_command[SERVICE_EXEC_START]) {
+ log_error_unit(UNIT(s)->id, "%s has no ExecStart= setting, which is only allowed for Type=oneshot services. Refusing.", UNIT(s)->id);
+ return -EINVAL;
+ }
+
+ if (!s->remain_after_exit && !s->exec_command[SERVICE_EXEC_START]) {
+ log_error_unit(UNIT(s)->id, "%s has no ExecStart= setting, which is only allowed for RemainAfterExit=yes services. Refusing.", UNIT(s)->id);
+ return -EINVAL;
+ }
+
+ if (s->type != SERVICE_ONESHOT && s->exec_command[SERVICE_EXEC_START]->command_next) {
+ log_error_unit(UNIT(s)->id, "%s has more than one ExecStart= setting, which is only allowed for Type=oneshot services. Refusing.", UNIT(s)->id);
return -EINVAL;
}
* majority of services. */
/* First, pull in base system */
- r = unit_add_two_dependencies_by_name(UNIT(s), UNIT_AFTER, UNIT_REQUIRES,
- SPECIAL_BASIC_TARGET, NULL, true);
+ r = unit_add_two_dependencies_by_name(UNIT(s), UNIT_AFTER, UNIT_REQUIRES, SPECIAL_BASIC_TARGET, NULL, true);
if (r < 0)
return r;
/* Second, activate normal shutdown */
- r = unit_add_two_dependencies_by_name(UNIT(s), UNIT_BEFORE, UNIT_CONFLICTS,
- SPECIAL_SHUTDOWN_TARGET, NULL, true);
+ r = unit_add_two_dependencies_by_name(UNIT(s), UNIT_BEFORE, UNIT_CONFLICTS, SPECIAL_SHUTDOWN_TARGET, NULL, true);
return r;
}
}
static int service_load(Unit *u) {
- int r;
Service *s = SERVICE(u);
+ int r;
assert(s);
if (r < 0)
return r;
- if (s->type == _SERVICE_TYPE_INVALID)
- s->type = s->bus_name ? SERVICE_DBUS : SERVICE_SIMPLE;
+ if (s->type == _SERVICE_TYPE_INVALID) {
+ /* Figure out a type automatically */
+ if (s->bus_name)
+ s->type = SERVICE_DBUS;
+ else if (s->exec_command[SERVICE_EXEC_START])
+ s->type = SERVICE_SIMPLE;
+ else
+ s->type = SERVICE_ONESHOT;
+ }
/* Oneshot services have disabled start timeout by default */
if (s->type == SERVICE_ONESHOT && !s->start_timeout_defined)
}
static void service_dump(Unit *u, FILE *f, const char *prefix) {
-
ServiceExecCommand c;
Service *s = SERVICE(u);
const char *prefix2;
- _cleanup_free_ char *p2 = NULL;
assert(s);
- p2 = strappend(prefix, "\t");
- prefix2 = p2 ? p2 : prefix;
+ prefix = strempty(prefix);
+ prefix2 = strappenda(prefix, "\t");
fprintf(f,
"%sService State: %s\n"
"%sGuessMainPID: %s\n"
"%sType: %s\n"
"%sRestart: %s\n"
- "%sNotifyAccess: %s\n",
+ "%sNotifyAccess: %s\n"
+ "%sNotifyState: %s\n",
prefix, service_state_to_string(s->state),
prefix, service_result_to_string(s->result),
prefix, service_result_to_string(s->reload_result),
prefix, yes_no(s->guess_main_pid),
prefix, service_type_to_string(s->type),
prefix, service_restart_to_string(s->restart),
- prefix, notify_access_to_string(s->notify_access));
+ prefix, notify_access_to_string(s->notify_access),
+ prefix, notify_state_to_string(s->notify_state));
if (s->control_pid > 0)
fprintf(f,
r = read_one_line_file(s->pid_file, &k);
if (r < 0) {
if (may_warn)
- log_info_unit(UNIT(s)->id,
- "PID file %s not readable (yet?) after %s.",
- s->pid_file, service_state_to_string(s->state));
+ log_info_unit(UNIT(s)->id, "PID file %s not readable (yet?) after %s.", s->pid_file, service_state_to_string(s->state));
return r;
}
r = parse_pid(k, &pid);
if (r < 0) {
if (may_warn)
- log_info_unit(UNIT(s)->id,
- "Failed to read PID from file %s: %s",
- s->pid_file, strerror(-r));
+ log_info_unit(UNIT(s)->id, "Failed to read PID from file %s: %s", s->pid_file, strerror(-r));
return r;
}
if (!pid_is_alive(pid)) {
if (may_warn)
log_info_unit(UNIT(s)->id, "PID "PID_FMT" read from file %s does not exist or is a zombie.", pid, s->pid_file);
-
return -ESRCH;
}
if (pid == s->main_pid)
return 0;
- log_debug_unit(UNIT(s)->id,
- "Main PID changing: "PID_FMT" -> "PID_FMT,
- s->main_pid, pid);
+ log_debug_unit(UNIT(s)->id, "Main PID changing: "PID_FMT" -> "PID_FMT, s->main_pid, pid);
+
service_unwatch_main_pid(s);
s->main_pid_known = false;
} else
- log_debug_unit(UNIT(s)->id,
- "Main PID loaded: "PID_FMT, pid);
+ log_debug_unit(UNIT(s)->id, "Main PID loaded: "PID_FMT, pid);
r = service_set_main_pid(s, pid);
if (r < 0)
r = unit_watch_pid(UNIT(s), pid);
if (r < 0) {
/* FIXME: we need to do something here */
- log_warning_unit(UNIT(s)->id,
- "Failed to watch PID "PID_FMT" from service %s",
- pid, UNIT(s)->id);
+ log_warning_unit(UNIT(s)->id, "Failed to watch PID "PID_FMT" from service %s", pid, UNIT(s)->id);
return r;
}
if (pid <= 0)
return -ENOENT;
- log_debug_unit(UNIT(s)->id,
- "Main PID guessed: "PID_FMT, pid);
+ log_debug_unit(UNIT(s)->id, "Main PID guessed: "PID_FMT, pid);
r = service_set_main_pid(s, pid);
if (r < 0)
return r;
r = unit_watch_pid(UNIT(s), pid);
- if (r < 0)
+ if (r < 0) {
/* FIXME: we need to do something here */
- log_warning_unit(UNIT(s)->id,
- "Failed to watch PID "PID_FMT" from service %s",
- pid, UNIT(s)->id);
- return r;
+ log_warning_unit(UNIT(s)->id, "Failed to watch PID "PID_FMT" from service %s", pid, UNIT(s)->id);
+ return r;
+ }
+
+ return 0;
}
static void service_set_state(Service *s, ServiceState state) {
/* For remain_after_exit services, let's see if we can "release" the
* hold on the console, since unit_notify() only does that in case of
* change of state */
- if (state == SERVICE_EXITED && s->remain_after_exit &&
+ if (state == SERVICE_EXITED &&
+ s->remain_after_exit &&
UNIT(s)->manager->n_on_console > 0) {
- ExecContext *ec = unit_get_exec_context(UNIT(s));
+
+ ExecContext *ec;
+
+ ec = unit_get_exec_context(UNIT(s));
if (ec && exec_context_may_touch_console(ec)) {
Manager *m = UNIT(s)->manager;
static int service_spawn(
Service *s,
ExecCommand *c,
- bool timeout,
+ usec_t timeout,
bool pass_fds,
bool apply_permissions,
bool apply_chroot,
}
}
- if (timeout && s->timeout_start_usec > 0) {
- r = service_arm_timer(s, s->timeout_start_usec);
+ if (timeout > 0) {
+ r = service_arm_timer(s, timeout);
if (r < 0)
goto fail;
} else
return;
fail:
- log_warning_unit(UNIT(s)->id,
- "%s failed to run install restart timer: %s",
- UNIT(s)->id, strerror(-r));
+ log_warning_unit(UNIT(s)->id, "%s failed to run install restart timer: %s", UNIT(s)->id, strerror(-r));
service_enter_dead(s, SERVICE_FAILURE_RESOURCES, false);
}
r = service_spawn(s,
s->control_command,
- true,
+ s->timeout_stop_usec,
false,
!s->permissions_start_only,
!s->root_directory_start_only,
return;
fail:
- log_warning_unit(UNIT(s)->id,
- "%s failed to run 'stop-post' task: %s",
- UNIT(s)->id, strerror(-r));
+ log_warning_unit(UNIT(s)->id, "%s failed to run 'stop-post' task: %s", UNIT(s)->id, strerror(-r));
service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_RESOURCES);
}
return;
fail:
- log_warning_unit(UNIT(s)->id,
- "%s failed to kill processes: %s", UNIT(s)->id, strerror(-r));
+ log_warning_unit(UNIT(s)->id, "%s failed to kill processes: %s", UNIT(s)->id, strerror(-r));
if (state == SERVICE_STOP_SIGTERM || state == SERVICE_STOP_SIGKILL)
service_enter_stop_post(s, SERVICE_FAILURE_RESOURCES);
service_enter_dead(s, SERVICE_FAILURE_RESOURCES, true);
}
+static void service_enter_stop_by_notify(Service *s) {
+ assert(s);
+
+ unit_watch_all_pids(UNIT(s));
+
+ if (s->timeout_stop_usec > 0)
+ service_arm_timer(s, s->timeout_stop_usec);
+
+ service_set_state(s, SERVICE_STOP);
+}
+
static void service_enter_stop(Service *s, ServiceResult f) {
int r;
r = service_spawn(s,
s->control_command,
- true,
+ s->timeout_stop_usec,
false,
!s->permissions_start_only,
!s->root_directory_start_only,
return;
fail:
- log_warning_unit(UNIT(s)->id,
- "%s failed to run 'stop' task: %s", UNIT(s)->id, strerror(-r));
+ log_warning_unit(UNIT(s)->id, "%s failed to run 'stop' task: %s", UNIT(s)->id, strerror(-r));
service_enter_signal(s, SERVICE_STOP_SIGTERM, SERVICE_FAILURE_RESOURCES);
}
cgroup_ok = cgroup_good(s);
if ((main_pid_ok > 0 || (main_pid_ok < 0 && cgroup_ok != 0)) &&
- (s->bus_name_good || s->type != SERVICE_DBUS))
- service_set_state(s, SERVICE_RUNNING);
- else if (s->remain_after_exit)
+ (s->bus_name_good || s->type != SERVICE_DBUS)) {
+
+ /* If there are any queued up sd_notify()
+ * notifications, process them now */
+ if (s->notify_state == NOTIFY_RELOADING)
+ service_enter_reload_by_notify(s);
+ else if (s->notify_state == NOTIFY_STOPPING)
+ service_enter_stop_by_notify(s);
+ else
+ service_set_state(s, SERVICE_RUNNING);
+
+ } else if (s->remain_after_exit)
service_set_state(s, SERVICE_EXITED);
else
service_enter_stop(s, SERVICE_SUCCESS);
r = service_spawn(s,
s->control_command,
- true,
+ s->timeout_start_usec,
false,
!s->permissions_start_only,
!s->root_directory_start_only,
return;
fail:
- log_warning_unit(UNIT(s)->id,
- "%s failed to run 'start-post' task: %s", UNIT(s)->id, strerror(-r));
+ log_warning_unit(UNIT(s)->id, "%s failed to run 'start-post' task: %s", UNIT(s)->id, strerror(-r));
service_enter_stop(s, SERVICE_FAILURE_RESOURCES);
}
assert(s);
- assert(s->exec_command[SERVICE_EXEC_START]);
- assert(!s->exec_command[SERVICE_EXEC_START]->command_next || s->type == SERVICE_ONESHOT);
-
service_unwatch_control_pid(s);
service_unwatch_main_pid(s);
c = s->main_command = s->exec_command[SERVICE_EXEC_START];
}
+ if (!c) {
+ assert(s->type == SERVICE_ONESHOT);
+ service_enter_start_post(s);
+ return;
+ }
+
r = service_spawn(s,
c,
- s->type == SERVICE_FORKING || s->type == SERVICE_DBUS ||
- s->type == SERVICE_NOTIFY || s->type == SERVICE_ONESHOT,
+ IN_SET(s->type, SERVICE_FORKING, SERVICE_DBUS, SERVICE_NOTIFY, SERVICE_ONESHOT) ? s->timeout_start_usec : 0,
true,
true,
true,
return;
fail:
- log_warning_unit(UNIT(s)->id,
- "%s failed to run 'start' task: %s", UNIT(s)->id, strerror(-r));
+ log_warning_unit(UNIT(s)->id, "%s failed to run 'start' task: %s", UNIT(s)->id, strerror(-r));
service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_RESOURCES);
}
r = service_spawn(s,
s->control_command,
- true,
+ s->timeout_start_usec,
false,
!s->permissions_start_only,
!s->root_directory_start_only,
return;
fail:
- log_warning_unit(UNIT(s)->id,
- "%s failed to schedule restart job: %s",
- UNIT(s)->id, bus_error_message(&error, -r));
+ log_warning_unit(UNIT(s)->id, "%s failed to schedule restart job: %s", UNIT(s)->id, bus_error_message(&error, -r));
service_enter_dead(s, SERVICE_FAILURE_RESOURCES, false);
}
+static void service_enter_reload_by_notify(Service *s) {
+ assert(s);
+
+ if (s->timeout_start_usec > 0)
+ service_arm_timer(s, s->timeout_start_usec);
+
+ service_set_state(s, SERVICE_RELOAD);
+}
+
static void service_enter_reload(Service *s) {
int r;
r = service_spawn(s,
s->control_command,
- true,
+ s->timeout_start_usec,
false,
!s->permissions_start_only,
!s->root_directory_start_only,
return;
fail:
- log_warning_unit(UNIT(s)->id,
- "%s failed to run 'reload' task: %s",
- UNIT(s)->id, strerror(-r));
+ log_warning_unit(UNIT(s)->id, "%s failed to run 'reload' task: %s", UNIT(s)->id, strerror(-r));
s->reload_result = SERVICE_FAILURE_RESOURCES;
service_enter_running(s, SERVICE_SUCCESS);
}
r = service_spawn(s,
s->control_command,
- true,
+ IN_SET(s->state, SERVICE_START_PRE, SERVICE_START, SERVICE_START_POST, SERVICE_RUNNING, SERVICE_RELOAD) ? s->timeout_start_usec : s->timeout_stop_usec,
false,
!s->permissions_start_only,
!s->root_directory_start_only,
return;
fail:
- log_warning_unit(UNIT(s)->id,
- "%s failed to run next control task: %s",
- UNIT(s)->id, strerror(-r));
+ log_warning_unit(UNIT(s)->id, "%s failed to run next control task: %s", UNIT(s)->id, strerror(-r));
if (s->state == SERVICE_START_PRE)
service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_RESOURCES);
r = service_spawn(s,
s->main_command,
- true,
+ s->timeout_start_usec,
true,
true,
true,
return;
fail:
- log_warning_unit(UNIT(s)->id,
- "%s failed to run next main task: %s", UNIT(s)->id, strerror(-r));
+ log_warning_unit(UNIT(s)->id, "%s failed to run next main task: %s", UNIT(s)->id, strerror(-r));
service_enter_stop(s, SERVICE_FAILURE_RESOURCES);
}
case SERVICE_FAILURE_ACTION_NONE:
if (log_action_none)
- log_warning_unit(UNIT(s)->id,
- "%s %s, refusing to start.", UNIT(s)->id, reason);
+ log_warning_unit(UNIT(s)->id, "%s %s, refusing to start.", UNIT(s)->id, reason);
break;
case SERVICE_FAILURE_ACTION_REBOOT: {
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
int r;
- log_warning_unit(UNIT(s)->id,
- "%s %s, rebooting.", UNIT(s)->id, reason);
+ log_warning_unit(UNIT(s)->id, "%s %s, rebooting.", UNIT(s)->id, reason);
- r = manager_add_job_by_name(UNIT(s)->manager, JOB_START,
- SPECIAL_REBOOT_TARGET, JOB_REPLACE,
- true, &error, NULL);
+ r = manager_add_job_by_name(UNIT(s)->manager, JOB_START, SPECIAL_REBOOT_TARGET, JOB_REPLACE, true, &error, NULL);
if (r < 0)
- log_error_unit(UNIT(s)->id,
- "Failed to reboot: %s.", bus_error_message(&error, r));
+ log_error_unit(UNIT(s)->id, "Failed to reboot: %s.", bus_error_message(&error, r));
break;
}
case SERVICE_FAILURE_ACTION_REBOOT_FORCE:
- log_warning_unit(UNIT(s)->id,
- "%s %s, forcibly rebooting.", UNIT(s)->id, reason);
+ log_warning_unit(UNIT(s)->id, "%s %s, forcibly rebooting.", UNIT(s)->id, reason);
UNIT(s)->manager->exit_code = MANAGER_REBOOT;
break;
case SERVICE_FAILURE_ACTION_REBOOT_IMMEDIATE:
- log_warning_unit(UNIT(s)->id,
- "%s %s, rebooting immediately.", UNIT(s)->id, reason);
+ log_warning_unit(UNIT(s)->id, "%s %s, rebooting immediately.", UNIT(s)->id, reason);
+
sync();
+
if (s->reboot_arg) {
log_info("Rebooting with argument '%s'.", s->reboot_arg);
- syscall(SYS_reboot, LINUX_REBOOT_MAGIC1, LINUX_REBOOT_MAGIC2,
- LINUX_REBOOT_CMD_RESTART2, s->reboot_arg);
+ syscall(SYS_reboot, LINUX_REBOOT_MAGIC1, LINUX_REBOOT_MAGIC2, LINUX_REBOOT_CMD_RESTART2, s->reboot_arg);
}
log_info("Rebooting.");
break;
default:
- log_error_unit(UNIT(s)->id,
- "failure action=%i", action);
+ log_error_unit(UNIT(s)->id, "failure action=%i", action);
assert_not_reached("Unknown FailureAction.");
}
s->main_pid_alien = false;
s->forbid_restart = false;
+ free(s->status_text);
+ s->status_text = NULL;
+ s->status_errno = 0;
+
+ s->notify_state = NOTIFY_UNKNOWN;
+
service_enter_start_pre(s);
return 0;
}
assert(s);
- return (s->socket_fd < 0);
+ return s->socket_fd < 0;
}
static int service_retry_pid_file(Service *s) {
static int service_watch_pid_file(Service *s) {
int r;
- log_debug_unit(UNIT(s)->id,
- "Setting watch for %s's PID file %s",
- UNIT(s)->id, s->pid_file_pathspec->path);
+ log_debug_unit(UNIT(s)->id, "Setting watch for %s's PID file %s", UNIT(s)->id, s->pid_file_pathspec->path);
+
r = path_spec_watch(s->pid_file_pathspec, service_dispatch_io);
if (r < 0)
goto fail;
/* the pidfile might have appeared just before we set the watch */
- log_debug_unit(UNIT(s)->id,
- "Trying to read %s's PID file %s in case it changed",
- UNIT(s)->id, s->pid_file_pathspec->path);
+ log_debug_unit(UNIT(s)->id, "Trying to read %s's PID file %s in case it changed", UNIT(s)->id, s->pid_file_pathspec->path);
service_retry_pid_file(s);
return 0;
fail:
- log_error_unit(UNIT(s)->id,
- "Failed to set a watch for %s's PID file %s: %s",
- UNIT(s)->id, s->pid_file_pathspec->path, strerror(-r));
+ log_error_unit(UNIT(s)->id, "Failed to set a watch for %s's PID file %s: %s", UNIT(s)->id, s->pid_file_pathspec->path, strerror(-r));
service_unwatch_pid_file(s);
return r;
}
/* If we were hoping for the daemon to write its PID file,
* we can give up now. */
if (s->pid_file_pathspec) {
- log_warning_unit(u->id,
- "%s never wrote its PID file. Failing.", UNIT(s)->id);
+ log_warning_unit(u->id, "%s never wrote its PID file. Failing.", UNIT(s)->id);
+
service_unwatch_pid_file(s);
if (s->state == SERVICE_START)
service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_RESOURCES);
/* There is another command to *
* execute, so let's do that. */
- log_debug_unit(u->id,
- "%s running next main command for state %s",
- u->id, service_state_to_string(s->state));
+ log_debug_unit(u->id, "%s running next main command for state %s", u->id, service_state_to_string(s->state));
service_run_next_main(s);
} else {
s->control_pid = 0;
if (s->control_command) {
- exec_status_exit(&s->control_command->exec_status,
- &s->exec_context, pid, code, status);
+ exec_status_exit(&s->control_command->exec_status, &s->exec_context, pid, code, status);
if (s->control_command->ignore)
f = SERVICE_SUCCESS;
/* There is another command to *
* execute, so let's do that. */
- log_debug_unit(u->id,
- "%s running next control command for state %s",
- u->id, service_state_to_string(s->state));
+ log_debug_unit(u->id, "%s running next control command for state %s", u->id, service_state_to_string(s->state));
service_run_next_control(s);
} else {
s->control_command = NULL;
s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID;
- log_debug_unit(u->id,
- "%s got final SIGCHLD for state %s",
- u->id, service_state_to_string(s->state));
+ log_debug_unit(u->id, "%s got final SIGCHLD for state %s", u->id, service_state_to_string(s->state));
switch (s->state) {
case SERVICE_START_PRE:
case SERVICE_START:
- log_warning_unit(UNIT(s)->id,
- "%s %s operation timed out. Terminating.",
- UNIT(s)->id,
- s->state == SERVICE_START ? "start" : "start-pre");
+ log_warning_unit(UNIT(s)->id, "%s %s operation timed out. Terminating.", UNIT(s)->id, s->state == SERVICE_START ? "start" : "start-pre");
service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_TIMEOUT);
break;
case SERVICE_START_POST:
- log_warning_unit(UNIT(s)->id,
- "%s start-post operation timed out. Stopping.", UNIT(s)->id);
+ log_warning_unit(UNIT(s)->id, "%s start-post operation timed out. Stopping.", UNIT(s)->id);
service_enter_stop(s, SERVICE_FAILURE_TIMEOUT);
break;
case SERVICE_RELOAD:
- log_warning_unit(UNIT(s)->id,
- "%s reload operation timed out. Stopping.", UNIT(s)->id);
+ log_warning_unit(UNIT(s)->id, "%s reload operation timed out. Stopping.", UNIT(s)->id);
s->reload_result = SERVICE_FAILURE_TIMEOUT;
service_enter_running(s, SERVICE_SUCCESS);
break;
case SERVICE_STOP:
- log_warning_unit(UNIT(s)->id,
- "%s stopping timed out. Terminating.", UNIT(s)->id);
+ log_warning_unit(UNIT(s)->id, "%s stopping timed out. Terminating.", UNIT(s)->id);
service_enter_signal(s, SERVICE_STOP_SIGTERM, SERVICE_FAILURE_TIMEOUT);
break;
case SERVICE_STOP_SIGTERM:
if (s->kill_context.send_sigkill) {
- log_warning_unit(UNIT(s)->id,
- "%s stop-sigterm timed out. Killing.", UNIT(s)->id);
+ log_warning_unit(UNIT(s)->id, "%s stop-sigterm timed out. Killing.", UNIT(s)->id);
service_enter_signal(s, SERVICE_STOP_SIGKILL, SERVICE_FAILURE_TIMEOUT);
} else {
- log_warning_unit(UNIT(s)->id,
- "%s stop-sigterm timed out. Skipping SIGKILL.", UNIT(s)->id);
+ log_warning_unit(UNIT(s)->id, "%s stop-sigterm timed out. Skipping SIGKILL.", UNIT(s)->id);
service_enter_stop_post(s, SERVICE_FAILURE_TIMEOUT);
}
* Must be something we cannot kill, so let's just be
* weirded out and continue */
- log_warning_unit(UNIT(s)->id,
- "%s still around after SIGKILL. Ignoring.", UNIT(s)->id);
+ log_warning_unit(UNIT(s)->id, "%s still around after SIGKILL. Ignoring.", UNIT(s)->id);
service_enter_stop_post(s, SERVICE_FAILURE_TIMEOUT);
break;
case SERVICE_STOP_POST:
- log_warning_unit(UNIT(s)->id,
- "%s stop-post timed out. Terminating.", UNIT(s)->id);
+ log_warning_unit(UNIT(s)->id, "%s stop-post timed out. Terminating.", UNIT(s)->id);
service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_TIMEOUT);
break;
case SERVICE_FINAL_SIGTERM:
if (s->kill_context.send_sigkill) {
- log_warning_unit(UNIT(s)->id,
- "%s stop-final-sigterm timed out. Killing.", UNIT(s)->id);
+ log_warning_unit(UNIT(s)->id, "%s stop-final-sigterm timed out. Killing.", UNIT(s)->id);
service_enter_signal(s, SERVICE_FINAL_SIGKILL, SERVICE_FAILURE_TIMEOUT);
} else {
- log_warning_unit(UNIT(s)->id,
- "%s stop-final-sigterm timed out. Skipping SIGKILL. Entering failed mode.",
- UNIT(s)->id);
+ log_warning_unit(UNIT(s)->id, "%s stop-final-sigterm timed out. Skipping SIGKILL. Entering failed mode.", UNIT(s)->id);
service_enter_dead(s, SERVICE_FAILURE_TIMEOUT, false);
}
break;
case SERVICE_FINAL_SIGKILL:
- log_warning_unit(UNIT(s)->id,
- "%s still around after final SIGKILL. Entering failed mode.", UNIT(s)->id);
+ log_warning_unit(UNIT(s)->id, "%s still around after final SIGKILL. Entering failed mode.", UNIT(s)->id);
service_enter_dead(s, SERVICE_FAILURE_TIMEOUT, true);
break;
static int service_dispatch_watchdog(sd_event_source *source, usec_t usec, void *userdata) {
Service *s = SERVICE(userdata);
+ char t[FORMAT_TIMESPAN_MAX];
assert(s);
assert(source == s->watchdog_event_source);
- log_error_unit(UNIT(s)->id, "%s watchdog timeout!", UNIT(s)->id);
+ log_error_unit(UNIT(s)->id, "%s watchdog timeout (limit %s)!", UNIT(s)->id,
+ format_timespan(t, sizeof(t), s->watchdog_usec, 1));
+
service_enter_signal(s, SERVICE_STOP_SIGTERM, SERVICE_FAILURE_WATCHDOG);
return 0;
static void service_notify_message(Unit *u, pid_t pid, char **tags) {
Service *s = SERVICE(u);
- const char *e;
+ _cleanup_free_ char *cc = NULL;
bool notify_dbus = false;
+ const char *e;
assert(u);
- log_debug_unit(u->id, "%s: Got notification message from PID "PID_FMT" (%s...)",
- u->id, pid, tags && *tags ? tags[0] : "(empty)");
+ cc = strv_join(tags, ", ");
+ log_debug_unit(u->id, "%s: Got notification message from PID "PID_FMT" (%s)",
+ u->id, pid, isempty(cc) ? "n/a" : cc);
if (s->notify_access == NOTIFY_NONE) {
- log_warning_unit(u->id,
- "%s: Got notification message from PID "PID_FMT", but reception is disabled.",
- u->id, pid);
+ log_warning_unit(u->id, "%s: Got notification message from PID "PID_FMT", but reception is disabled.", u->id, pid);
return;
}
}
/* Interpret MAINPID= */
- e = strv_find_prefix(tags, "MAINPID=");
+ e = strv_find_startswith(tags, "MAINPID=");
if (e && IN_SET(s->state, SERVICE_START, SERVICE_START_POST, SERVICE_RUNNING, SERVICE_RELOAD)) {
- if (parse_pid(e + 8, &pid) < 0)
+ if (parse_pid(e, &pid) < 0)
log_warning_unit(u->id, "Failed to parse MAINPID= field in notification message: %s", e);
else {
- log_debug_unit(u->id, "%s: got %s", u->id, e);
+ log_debug_unit(u->id, "%s: got MAINPID=%s", u->id, e);
+
service_set_main_pid(s, pid);
unit_watch_pid(UNIT(s), pid);
notify_dbus = true;
}
}
+ /* Interpret RELOADING= */
+ if (strv_find(tags, "RELOADING=1")) {
+
+ log_debug_unit(u->id, "%s: got RELOADING=1", u->id);
+ s->notify_state = NOTIFY_RELOADING;
+
+ if (s->state == SERVICE_RUNNING)
+ service_enter_reload_by_notify(s);
+
+ notify_dbus = true;
+ }
+
/* Interpret READY= */
- if (s->type == SERVICE_NOTIFY && s->state == SERVICE_START && strv_find(tags, "READY=1")) {
+ if (strv_find(tags, "READY=1")) {
+
log_debug_unit(u->id, "%s: got READY=1", u->id);
- service_enter_start_post(s);
+ s->notify_state = NOTIFY_READY;
+
+ /* Type=notify services inform us about completed
+ * initialization with READY=1 */
+ if (s->type == SERVICE_NOTIFY && s->state == SERVICE_START)
+ service_enter_start_post(s);
+
+ /* Sending READY=1 while we are reloading informs us
+ * that the reloading is complete */
+ if (s->state == SERVICE_RELOAD && s->control_pid == 0)
+ service_enter_running(s, SERVICE_SUCCESS);
+
+ notify_dbus = true;
+ }
+
+ /* Interpret STOPPING= */
+ if (strv_find(tags, "STOPPING=1")) {
+
+ log_debug_unit(u->id, "%s: got STOPPING=1", u->id);
+ s->notify_state = NOTIFY_STOPPING;
+
+ if (s->state == SERVICE_RUNNING)
+ service_enter_stop_by_notify(s);
+
notify_dbus = true;
}
/* Interpret STATUS= */
- e = strv_find_prefix(tags, "STATUS=");
+ e = strv_find_startswith(tags, "STATUS=");
if (e) {
- char *t;
+ _cleanup_free_ char *t = NULL;
- if (e[7]) {
- if (!utf8_is_valid(e+7)) {
+ if (!isempty(e)) {
+ if (!utf8_is_valid(e))
log_warning_unit(u->id, "Status message in notification is not UTF-8 clean.");
- return;
- }
+ else {
+ log_debug_unit(u->id, "%s: got STATUS=%s", u->id, e);
- log_debug_unit(u->id, "%s: got %s", u->id, e);
-
- t = strdup(e+7);
- if (!t) {
- log_oom();
- return;
+ t = strdup(e);
+ if (!t)
+ log_oom();
}
-
- } else
- t = NULL;
+ }
if (!streq_ptr(s->status_text, t)) {
+
free(s->status_text);
s->status_text = t;
+ t = NULL;
+
notify_dbus = true;
- } else
- free(t);
+ }
}
/* Interpret ERRNO= */
- e = strv_find_prefix(tags, "ERRNO=");
+ e = strv_find_startswith(tags, "ERRNO=");
if (e) {
int status_errno;
- if (safe_atoi(e + 6, &status_errno) < 0 || status_errno < 0)
+ if (safe_atoi(e, &status_errno) < 0 || status_errno < 0)
log_warning_unit(u->id, "Failed to parse ERRNO= field in notification message: %s", e);
else {
- log_debug_unit(u->id, "%s: got %s", u->id, e);
+ log_debug_unit(u->id, "%s: got ERRNO=%s", u->id, e);
if (s->status_errno != status_errno) {
s->status_errno = status_errno;
assert(old_owner || new_owner);
if (old_owner && new_owner)
- log_debug_unit(u->id,
- "%s's D-Bus name %s changed owner from %s to %s",
- u->id, name, old_owner, new_owner);
+ log_debug_unit(u->id, "%s's D-Bus name %s changed owner from %s to %s", u->id, name, old_owner, new_owner);
else if (old_owner)
- log_debug_unit(u->id,
- "%s's D-Bus name %s no longer registered by %s",
- u->id, name, old_owner);
+ log_debug_unit(u->id, "%s's D-Bus name %s no longer registered by %s", u->id, name, old_owner);
else
- log_debug_unit(u->id,
- "%s's D-Bus name %s now registered by %s",
- u->id, name, new_owner);
+ log_debug_unit(u->id, "%s's D-Bus name %s now registered by %s", u->id, name, new_owner);
s->bus_name_good = !!new_owner;
DEFINE_STRING_TABLE_LOOKUP(notify_access, NotifyAccess);
+static const char* const notify_state_table[_NOTIFY_STATE_MAX] = {
+ [NOTIFY_UNKNOWN] = "unknown",
+ [NOTIFY_READY] = "ready",
+ [NOTIFY_RELOADING] = "reloading",
+ [NOTIFY_STOPPING] = "stopping",
+};
+
+DEFINE_STRING_TABLE_LOOKUP(notify_state, NotifyState);
+
static const char* const service_result_table[_SERVICE_RESULT_MAX] = {
[SERVICE_SUCCESS] = "success",
[SERVICE_FAILURE_RESOURCES] = "resources",