{ "boot.d", SPECIAL_SYSINIT_TARGET, RUNLEVEL_SYSINIT },
#endif
-#if defined(TARGET_DEBIAN) || defined(TARGET_UBUNTU) || defined(TARGET_FRUGALWARE) || defined(TARGET_ANGSTROM)
+#if defined(TARGET_DEBIAN) || defined(TARGET_UBUNTU) || defined(TARGET_ANGSTROM)
/* Debian style rcS.d */
{ "rcS.d", SPECIAL_SYSINIT_TARGET, RUNLEVEL_SYSINIT },
#endif
#define RUNLEVELS_UP "12345"
/* #define RUNLEVELS_DOWN "06" */
-/* #define RUNLEVELS_BOOT "bBsS" */
+#define RUNLEVELS_BOOT "bBsS"
#endif
static const UnitActiveState state_translation_table[_SERVICE_STATE_MAX] = {
Service *s = SERVICE(u);
assert(u);
- assert(u->meta.load_state == UNIT_STUB);
+ assert(u->load_state == UNIT_STUB);
s->timeout_usec = DEFAULT_TIMEOUT_USEC;
s->restart_usec = DEFAULT_RESTART_USEC;
s->guess_main_pid = true;
exec_context_init(&s->exec_context);
- s->exec_context.std_output = u->meta.manager->default_std_output;
- s->exec_context.std_error = u->meta.manager->default_std_error;
RATELIMIT_INIT(s->ratelimit, 10*USEC_PER_SEC, 5);
if (get_parent_of_pid(pid, &ppid) >= 0 && ppid != getpid()) {
log_warning("%s: Supervising process %lu which is not our child. We'll most likely not notice when it exits.",
- s->meta.id, (unsigned long) pid);
+ UNIT(s)->id, (unsigned long) pid);
s->main_pid_alien = true;
} else
static void service_connection_unref(Service *s) {
assert(s);
- if (!s->accept_socket)
+ if (!UNIT_DEREF(s->accept_socket))
return;
- socket_connection_unref(s->accept_socket);
- s->accept_socket = NULL;
+ socket_connection_unref(SOCKET(UNIT_DEREF(s->accept_socket)));
+ unit_ref_unset(&s->accept_socket);
}
static void service_done(Unit *u) {
service_unwatch_control_pid(s);
if (s->bus_name) {
- unit_unwatch_bus_name(UNIT(u), s->bus_name);
+ unit_unwatch_bus_name(u, s->bus_name);
free(s->bus_name);
s->bus_name = NULL;
}
service_close_socket_fd(s);
service_connection_unref(s);
- set_free(s->configured_sockets);
+ unit_ref_unset(&s->accept_socket);
unit_unwatch_timer(u, &s->timer_watch);
}
static const char * const table[] = {
/* LSB defined facilities */
"local_fs", SPECIAL_LOCAL_FS_TARGET,
-#ifndef TARGET_MANDRIVA
+#if defined(TARGET_MANDRIVA) || defined(TARGET_MAGEIA)
+#else
/* Due to unfortunate name selection in Mandriva,
* $network is provided by network-up which is ordered
* after network which actually starts interfaces.
}
static int sysv_fix_order(Service *s) {
- Meta *other;
+ Unit *other;
int r;
assert(s);
/* For each pair of services where at least one lacks a LSB
* header, we use the start priority value to order things. */
- LIST_FOREACH(units_by_type, other, s->meta.manager->units_by_type[UNIT_SERVICE]) {
+ LIST_FOREACH(units_by_type, other, UNIT(s)->manager->units_by_type[UNIT_SERVICE]) {
Service *t;
UnitDependency d;
bool special_s, special_t;
if (s == t)
continue;
- if (t->meta.load_state != UNIT_LOADED)
+ if (UNIT(t)->load_state != UNIT_LOADED)
continue;
if (t->sysv_start_priority < 0)
/* If both units have modern headers we don't care
* about the priorities */
- if ((s->meta.fragment_path || s->sysv_has_lsb) &&
- (t->meta.fragment_path || t->sysv_has_lsb))
+ if ((UNIT(s)->fragment_path || s->sysv_has_lsb) &&
+ (UNIT(t)->fragment_path || t->sysv_has_lsb))
continue;
special_s = s->sysv_runlevels && !chars_intersect(RUNLEVELS_UP, s->sysv_runlevels);
s->sysv_mtime = timespec_load(&st.st_mtim);
if (null_or_empty(&st)) {
- u->meta.load_state = UNIT_MASKED;
+ u->load_state = UNIT_MASKED;
r = 0;
goto finish;
}
free(short_description);
short_description = d;
- } else if (startswith_no_case(t, "X-Interactive:")) {
- int b;
-
- if ((b = parse_boolean(strstrip(t+14))) < 0) {
- log_warning("[%s:%u] Couldn't parse interactive flag. Ignoring.", path, line);
- continue;
- }
-
- if (b)
- s->exec_context.std_input = EXEC_INPUT_TTY;
- else
- s->exec_context.std_input = EXEC_INPUT_NULL;
-
} else if (state == LSB_DESCRIPTION) {
if (startswith(l, "#\t") || startswith(l, "# ")) {
if ((r = sysv_exec_commands(s)) < 0)
goto finish;
+ if (s->sysv_runlevels &&
+ chars_intersect(RUNLEVELS_BOOT, s->sysv_runlevels) &&
+ chars_intersect(RUNLEVELS_UP, s->sysv_runlevels)) {
+ /* Service has both boot and "up" runlevels
+ configured. Kill the "up" ones. */
+ delete_chars(s->sysv_runlevels, RUNLEVELS_UP);
+ }
if (s->sysv_runlevels && !chars_intersect(RUNLEVELS_UP, s->sysv_runlevels)) {
/* If there a runlevels configured for this service
* needed for early boot) and don't create any links
* to it. */
- s->meta.default_dependencies = false;
+ UNIT(s)->default_dependencies = false;
/* Don't timeout special services during boot (like fsck) */
s->timeout_usec = 0;
/* Special setting for all SysV services */
s->type = SERVICE_FORKING;
s->remain_after_exit = !s->pid_file;
+ s->guess_main_pid = false;
s->restart = SERVICE_RESTART_NO;
- s->exec_context.std_output =
- (s->meta.manager->sysv_console || s->exec_context.std_input == EXEC_INPUT_TTY)
- ? EXEC_OUTPUT_TTY : s->meta.manager->default_std_output;
+
+ if (UNIT(s)->manager->sysv_console)
+ s->exec_context.std_output = EXEC_OUTPUT_JOURNAL_AND_CONSOLE;
+
s->exec_context.kill_mode = KILL_PROCESS;
/* We use the long description only if
goto finish;
}
- u->meta.description = d;
+ u->description = d;
}
/* The priority that has been set in /etc/rcN.d/ hierarchies
if (s->sysv_start_priority_from_rcnd >= 0)
s->sysv_start_priority = s->sysv_start_priority_from_rcnd;
- u->meta.load_state = UNIT_LOADED;
+ u->load_state = UNIT_LOADED;
r = 0;
finish:
return -ENOENT;
#endif
- STRV_FOREACH(p, s->meta.manager->lookup_paths.sysvinit_path) {
+ STRV_FOREACH(p, UNIT(s)->manager->lookup_paths.sysvinit_path) {
char *path;
int r;
r = service_load_sysv_path(s, path);
#if defined(TARGET_DEBIAN) || defined(TARGET_UBUNTU) || defined(TARGET_ANGSTROM)
- if (r >= 0 && s->meta.load_state == UNIT_STUB) {
+ if (r >= 0 && UNIT(s)->load_state == UNIT_STUB) {
/* Try Debian style *.sh source'able init scripts */
strcat(path, ".sh");
r = service_load_sysv_path(s, path);
free(path);
#ifdef TARGET_SUSE
- if (r >= 0 && s->meta.load_state == UNIT_STUB) {
+ if (r >= 0 && UNIT(s)->load_state == UNIT_STUB) {
/* Try SUSE style boot.* init scripts */
path = join(*p, "/boot.", name, NULL);
#endif
#ifdef TARGET_FRUGALWARE
- if (r >= 0 && s->meta.load_state == UNIT_STUB) {
+ if (r >= 0 && UNIT(s)->load_state == UNIT_STUB) {
/* Try Frugalware style rc.* init scripts */
path = join(*p, "/rc.", name, NULL);
if (r < 0)
return r;
- if ((s->meta.load_state != UNIT_STUB))
+ if ((UNIT(s)->load_state != UNIT_STUB))
break;
}
/* Load service data from SysV init scripts, preferably with
* LSB headers ... */
- if (strv_isempty(s->meta.manager->lookup_paths.sysvinit_path))
+ if (strv_isempty(UNIT(s)->manager->lookup_paths.sysvinit_path))
return 0;
- if ((t = s->meta.id))
+ if ((t = UNIT(s)->id))
if ((r = service_load_sysv_name(s, t)) < 0)
return r;
- if (s->meta.load_state == UNIT_STUB)
- SET_FOREACH(t, s->meta.names, i) {
- if (t == s->meta.id)
+ if (UNIT(s)->load_state == UNIT_STUB)
+ SET_FOREACH(t, UNIT(s)->names, i) {
+ if (t == UNIT(s)->id)
continue;
if ((r = service_load_sysv_name(s, t)) < 0)
return r;
- if (s->meta.load_state != UNIT_STUB)
+ if (UNIT(s)->load_state != UNIT_STUB)
break;
}
#endif
static int fsck_fix_order(Service *s) {
- Meta *other;
+ Unit *other;
int r;
assert(s);
/* For each pair of services where both have an fsck priority
* we order things based on it. */
- LIST_FOREACH(units_by_type, other, s->meta.manager->units_by_type[UNIT_SERVICE]) {
+ LIST_FOREACH(units_by_type, other, UNIT(s)->manager->units_by_type[UNIT_SERVICE]) {
Service *t;
UnitDependency d;
if (s == t)
continue;
- if (t->meta.load_state != UNIT_LOADED)
+ if (UNIT(t)->load_state != UNIT_LOADED)
continue;
if (t->fsck_passno <= 0)
static int service_verify(Service *s) {
assert(s);
- if (s->meta.load_state != UNIT_LOADED)
+ if (UNIT(s)->load_state != UNIT_LOADED)
return 0;
if (!s->exec_command[SERVICE_EXEC_START]) {
- log_error("%s lacks ExecStart setting. Refusing.", s->meta.id);
+ log_error("%s lacks ExecStart setting. Refusing.", UNIT(s)->id);
return -EINVAL;
}
if (s->type != SERVICE_ONESHOT &&
s->exec_command[SERVICE_EXEC_START]->command_next) {
- log_error("%s has more than one ExecStart setting, which is only allowed for Type=oneshot services. Refusing.", s->meta.id);
+ log_error("%s has more than one ExecStart setting, which is only allowed for Type=oneshot services. Refusing.", UNIT(s)->id);
return -EINVAL;
}
if (s->type == SERVICE_ONESHOT &&
s->exec_command[SERVICE_EXEC_RELOAD]) {
- log_error("%s has an ExecReload setting, which is not allowed for Type=oneshot services. Refusing.", s->meta.id);
+ log_error("%s has an ExecReload setting, which is not allowed for Type=oneshot services. Refusing.", UNIT(s)->id);
return -EINVAL;
}
if (s->type == SERVICE_DBUS && !s->bus_name) {
- log_error("%s is of type D-Bus but no D-Bus service name has been specified. Refusing.", s->meta.id);
+ log_error("%s is of type D-Bus but no D-Bus service name has been specified. Refusing.", UNIT(s)->id);
return -EINVAL;
}
if (s->exec_context.pam_name && s->exec_context.kill_mode != KILL_CONTROL_GROUP) {
- log_error("%s has PAM enabled. Kill mode must be set to 'control-group'. Refusing.", s->meta.id);
+ log_error("%s has PAM enabled. Kill mode must be set to 'control-group'. Refusing.", UNIT(s)->id);
return -EINVAL;
}
* majority of services. */
/* First, pull in base system */
- if (s->meta.manager->running_as == MANAGER_SYSTEM) {
+ if (UNIT(s)->manager->running_as == MANAGER_SYSTEM) {
if ((r = unit_add_two_dependencies_by_name(UNIT(s), UNIT_AFTER, UNIT_REQUIRES, SPECIAL_BASIC_TARGET, NULL, true)) < 0)
return r;
- } else if (s->meta.manager->running_as == MANAGER_USER) {
+ } else if (UNIT(s)->manager->running_as == MANAGER_USER) {
if ((r = unit_add_two_dependencies_by_name(UNIT(s), UNIT_AFTER, UNIT_REQUIRES, SPECIAL_SOCKETS_TARGET, NULL, true)) < 0)
return r;
return unit_add_two_dependencies_by_name(UNIT(s), UNIT_BEFORE, UNIT_CONFLICTS, SPECIAL_SHUTDOWN_TARGET, NULL, true);
}
+static void service_fix_output(Service *s) {
+ assert(s);
+
+ /* If nothing has been explicitly configured, patch default
+ * output in. If input is socket/tty we avoid this however,
+ * since in that case we want output to default to the same
+ * place as we read input from. */
+
+ if (s->exec_context.std_error == EXEC_OUTPUT_INHERIT &&
+ s->exec_context.std_output == EXEC_OUTPUT_INHERIT &&
+ s->exec_context.std_input == EXEC_INPUT_NULL)
+ s->exec_context.std_error = UNIT(s)->manager->default_std_error;
+
+ if (s->exec_context.std_output == EXEC_OUTPUT_INHERIT &&
+ s->exec_context.std_input == EXEC_INPUT_NULL)
+ s->exec_context.std_output = UNIT(s)->manager->default_std_output;
+}
+
static int service_load(Unit *u) {
int r;
Service *s = SERVICE(u);
#ifdef HAVE_SYSV_COMPAT
/* Load a classic init script as a fallback, if we couldn't find anything */
- if (u->meta.load_state == UNIT_STUB)
+ if (u->load_state == UNIT_STUB)
if ((r = service_load_sysv(s)) < 0)
return r;
#endif
/* Still nothing found? Then let's give up */
- if (u->meta.load_state == UNIT_STUB)
+ if (u->load_state == UNIT_STUB)
return -ENOENT;
/* We were able to load something, then let's add in the
return r;
/* This is a new unit? Then let's add in some extras */
- if (u->meta.load_state == UNIT_LOADED) {
+ if (u->load_state == UNIT_LOADED) {
+ service_fix_output(s);
+
if ((r = unit_add_exec_dependencies(u, &s->exec_context)) < 0)
return r;
if ((r = unit_add_two_dependencies_by_name(u, UNIT_AFTER, UNIT_REQUIRES, SPECIAL_DBUS_SOCKET, NULL, true)) < 0)
return r;
- if (s->meta.default_dependencies)
+ if (UNIT(s)->default_dependencies)
if ((r = service_add_default_dependencies(s)) < 0)
return r;
}
free(p2);
}
-static int service_load_pid_file(Service *s) {
+static int service_load_pid_file(Service *s, bool may_warn) {
char *k;
int r;
pid_t pid;
assert(s);
- if (s->main_pid_known)
- return 0;
-
if (!s->pid_file)
- return 0;
+ return -ENOENT;
- if ((r = read_one_line_file(s->pid_file, &k)) < 0)
+ if ((r = read_one_line_file(s->pid_file, &k)) < 0) {
+ if (may_warn)
+ log_info("PID file %s not readable (yet?) after %s.",
+ s->pid_file, service_state_to_string(s->state));
return r;
+ }
r = parse_pid(k, &pid);
free(k);
return r;
if (kill(pid, 0) < 0 && errno != EPERM) {
- log_warning("PID %lu read from file %s does not exist. Your service or init script might be broken.",
- (unsigned long) pid, s->pid_file);
+ if (may_warn)
+ log_info("PID %lu read from file %s does not exist.",
+ (unsigned long) pid, s->pid_file);
return -ESRCH;
}
+ if (s->main_pid_known) {
+ if (pid == s->main_pid)
+ return 0;
+
+ log_debug("Main PID changing: %lu -> %lu",
+ (unsigned long) s->main_pid, (unsigned long) pid);
+ service_unwatch_main_pid(s);
+ s->main_pid_known = false;
+ } else
+ log_debug("Main PID loaded: %lu", (unsigned long) pid);
+
if ((r = service_set_main_pid(s, pid)) < 0)
return r;
assert(s->main_pid <= 0);
- if ((pid = cgroup_bonding_search_main_pid_list(s->meta.cgroup_bondings)) <= 0)
+ if ((pid = cgroup_bonding_search_main_pid_list(UNIT(s)->cgroup_bondings)) <= 0)
return -ENOENT;
+ log_debug("Main PID guessed: %lu", (unsigned long) pid);
if ((r = service_set_main_pid(s, pid)) < 0)
return r;
return 0;
}
-static int service_get_sockets(Service *s, Set **_set) {
- Set *set;
- Iterator i;
- char *t;
- int r;
-
- assert(s);
- assert(_set);
-
- if (s->socket_fd >= 0)
- return 0;
-
- if (!set_isempty(s->configured_sockets))
- return 0;
-
- /* Collects all Socket objects that belong to this
- * service. Note that a service might have multiple sockets
- * via multiple names. */
-
- if (!(set = set_new(NULL, NULL)))
- return -ENOMEM;
-
- SET_FOREACH(t, s->meta.names, i) {
- char *k;
- Unit *p;
-
- /* Look for all socket objects that go by any of our
- * units and collect their fds */
-
- if (!(k = unit_name_change_suffix(t, ".socket"))) {
- r = -ENOMEM;
- goto fail;
- }
-
- p = manager_get_unit(s->meta.manager, k);
- free(k);
-
- if (!p)
- continue;
-
- if ((r = set_put(set, p)) < 0)
- goto fail;
- }
-
- *_set = set;
- return 0;
-
-fail:
- set_free(set);
- return r;
-}
-
-static int service_notify_sockets_dead(Service *s) {
+static void service_notify_sockets_dead(Service *s) {
Iterator i;
- Set *set, *free_set = NULL;
- Socket *sock;
- int r;
+ Unit *u;
assert(s);
/* Notifies all our sockets when we die */
if (s->socket_fd >= 0)
- return 0;
-
- if (!set_isempty(s->configured_sockets))
- set = s->configured_sockets;
- else {
- if ((r = service_get_sockets(s, &free_set)) < 0)
- return r;
+ return;
- set = free_set;
- }
+ SET_FOREACH(u, UNIT(s)->dependencies[UNIT_TRIGGERED_BY], i)
+ if (u->type == UNIT_SOCKET)
+ socket_notify_service_dead(SOCKET(u));
- SET_FOREACH(sock, set, i)
- socket_notify_service_dead(sock);
+ return;
+}
- set_free(free_set);
+static void service_unwatch_pid_file(Service *s) {
+ if (!s->pid_file_pathspec)
+ return;
- return 0;
+ log_debug("Stopping watch for %s's PID file %s", UNIT(s)->id, s->pid_file_pathspec->path);
+ path_spec_unwatch(s->pid_file_pathspec, UNIT(s));
+ path_spec_done(s->pid_file_pathspec);
+ free(s->pid_file_pathspec);
+ s->pid_file_pathspec = NULL;
}
static void service_set_state(Service *s, ServiceState state) {
old_state = s->state;
s->state = state;
+ service_unwatch_pid_file(s);
+
if (state != SERVICE_START_PRE &&
state != SERVICE_START &&
state != SERVICE_START_POST &&
state != SERVICE_STOP_POST &&
state != SERVICE_FINAL_SIGTERM &&
state != SERVICE_FINAL_SIGKILL &&
- !(state == SERVICE_DEAD && s->meta.job)) {
+ !(state == SERVICE_DEAD && UNIT(s)->job)) {
service_close_socket_fd(s);
service_connection_unref(s);
}
/* For the inactive states unit_notify() will trim the cgroup,
* but for exit we have to do that ourselves... */
- if (state == SERVICE_EXITED && s->meta.manager->n_reloading <= 0)
- cgroup_bonding_trim_list(s->meta.cgroup_bondings, true);
+ if (state == SERVICE_EXITED && UNIT(s)->manager->n_reloading <= 0)
+ cgroup_bonding_trim_list(UNIT(s)->cgroup_bondings, true);
if (old_state != state)
- log_debug("%s changed %s -> %s", s->meta.id, service_state_to_string(old_state), service_state_to_string(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_failure);
s->reload_failure = false;
int r;
int *rfds = NULL;
unsigned rn_fds = 0;
- Set *set, *free_set = NULL;
- Socket *sock;
+ Unit *u;
assert(s);
assert(fds);
if (s->socket_fd >= 0)
return 0;
- if (!set_isempty(s->configured_sockets))
- set = s->configured_sockets;
- else {
- if ((r = service_get_sockets(s, &free_set)) < 0)
- return r;
-
- set = free_set;
- }
-
- SET_FOREACH(sock, set, i) {
+ SET_FOREACH(u, UNIT(s)->dependencies[UNIT_TRIGGERED_BY], i) {
int *cfds;
unsigned cn_fds;
+ Socket *sock;
+
+ if (u->type != UNIT_SOCKET)
+ continue;
+
+ sock = SOCKET(u);
if ((r = socket_collect_fds(sock, &cfds, &cn_fds)) < 0)
goto fail;
*fds = rfds;
*n_fds = rn_fds;
- set_free(free_set);
-
return 0;
fail:
- set_free(set);
free(rfds);
return r;
}
if (set_notify_socket)
- if (asprintf(our_env + n_env++, "NOTIFY_SOCKET=%s", s->meta.manager->notify_socket) < 0) {
+ if (asprintf(our_env + n_env++, "NOTIFY_SOCKET=%s", UNIT(s)->manager->notify_socket) < 0) {
r = -ENOMEM;
goto fail;
}
}
if (!(final_env = strv_env_merge(2,
- s->meta.manager->environment,
+ UNIT(s)->manager->environment,
our_env,
NULL))) {
r = -ENOMEM;
apply_permissions,
apply_chroot,
apply_tty_stdin,
- s->meta.manager->confirm_spawn,
- s->meta.cgroup_bondings,
+ UNIT(s)->manager->confirm_spawn,
+ UNIT(s)->cgroup_bondings,
+ UNIT(s)->cgroup_attributes,
&pid);
if (r < 0)
assert(s);
- if ((r = cgroup_bonding_is_empty_list(s->meta.cgroup_bondings)) < 0)
+ if ((r = cgroup_bonding_is_empty_list(UNIT(s)->cgroup_bondings)) < 0)
return r;
return !r;
return;
fail:
- log_warning("%s failed to run install restart timer: %s", s->meta.id, strerror(-r));
+ log_warning("%s failed to run install restart timer: %s", UNIT(s)->id, strerror(-r));
service_enter_dead(s, false, false);
}
return;
fail:
- log_warning("%s failed to run 'stop-post' task: %s", s->meta.id, strerror(-r));
+ log_warning("%s failed to run 'stop-post' task: %s", UNIT(s)->id, strerror(-r));
service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
}
if ((r = set_put(pid_set, LONG_TO_PTR(s->control_pid))) < 0)
goto fail;
- if ((r = cgroup_bonding_kill_list(s->meta.cgroup_bondings, sig, true, pid_set)) < 0) {
+ if ((r = cgroup_bonding_kill_list(UNIT(s)->cgroup_bondings, sig, true, pid_set)) < 0) {
if (r != -EAGAIN && r != -ESRCH && r != -ENOENT)
log_warning("Failed to kill control group: %s", strerror(-r));
} else if (r > 0)
return;
fail:
- log_warning("%s failed to kill processes: %s", s->meta.id, strerror(-r));
+ log_warning("%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, false);
return;
fail:
- log_warning("%s failed to run 'stop' task: %s", s->meta.id, strerror(-r));
+ log_warning("%s failed to run 'stop' task: %s", UNIT(s)->id, strerror(-r));
service_enter_signal(s, SERVICE_STOP_SIGTERM, false);
}
return;
fail:
- log_warning("%s failed to run 'start-post' task: %s", s->meta.id, strerror(-r));
+ log_warning("%s failed to run 'start-post' task: %s", UNIT(s)->id, strerror(-r));
service_enter_stop(s, false);
}
else
service_unwatch_main_pid(s);
+ /* We want to ensure that nobody leaks processes from
+ * START_PRE here, so let's go on a killing spree, People
+ * should not spawn long running processes from START_PRE. */
+ cgroup_bonding_kill_list(UNIT(s)->cgroup_bondings, SIGKILL, true, NULL);
+
if (s->type == SERVICE_FORKING) {
s->control_command_id = SERVICE_EXEC_START;
c = s->control_command = s->exec_command[SERVICE_EXEC_START];
return;
fail:
- log_warning("%s failed to run 'start' task: %s", s->meta.id, strerror(-r));
+ log_warning("%s failed to run 'start' task: %s", UNIT(s)->id, strerror(-r));
service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
}
service_unwatch_control_pid(s);
if ((s->control_command = s->exec_command[SERVICE_EXEC_START_PRE])) {
+
+ /* Before we start anything, let's clear up what might
+ * be left from previous runs. */
+ cgroup_bonding_kill_list(UNIT(s)->cgroup_bondings, SIGKILL, true, NULL);
+
s->control_command_id = SERVICE_EXEC_START_PRE;
if ((r = service_spawn(s,
return;
fail:
- log_warning("%s failed to run 'start-pre' task: %s", s->meta.id, strerror(-r));
+ log_warning("%s failed to run 'start-pre' task: %s", UNIT(s)->id, strerror(-r));
service_enter_dead(s, false, true);
}
assert(s);
dbus_error_init(&error);
- if (s->meta.job) {
+ if (UNIT(s)->job) {
log_info("Job pending for unit, delaying automatic restart.");
if ((r = unit_watch_timer(UNIT(s), s->restart_usec, &s->timer_watch)) < 0)
service_enter_dead(s, true, false);
- if ((r = manager_add_job(s->meta.manager, JOB_START, UNIT(s), JOB_FAIL, false, &error, NULL)) < 0)
+ if ((r = manager_add_job(UNIT(s)->manager, JOB_START, UNIT(s), JOB_FAIL, false, &error, NULL)) < 0)
goto fail;
- log_debug("%s scheduled restart job.", s->meta.id);
+ log_debug("%s scheduled restart job.", UNIT(s)->id);
return;
fail:
- log_warning("%s failed to schedule restart job: %s", s->meta.id, bus_error(&error, -r));
+ log_warning("%s failed to schedule restart job: %s", UNIT(s)->id, bus_error(&error, -r));
service_enter_dead(s, false, false);
dbus_error_free(&error);
return;
fail:
- log_warning("%s failed to run 'reload' task: %s", s->meta.id, strerror(-r));
+ log_warning("%s failed to run 'reload' task: %s", UNIT(s)->id, strerror(-r));
s->reload_failure = true;
service_enter_running(s, true);
}
return;
fail:
- log_warning("%s failed to run next control task: %s", s->meta.id, strerror(-r));
+ log_warning("%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, false);
return;
fail:
- log_warning("%s failed to run next main task: %s", s->meta.id, strerror(-r));
+ log_warning("%s failed to run next main task: %s", UNIT(s)->id, strerror(-r));
service_enter_stop(s, false);
}
/* Make sure we don't enter a busy loop of some kind. */
if (!ratelimit_test(&s->ratelimit)) {
- log_warning("%s start request repeated too quickly, refusing to start.", u->meta.id);
+ log_warning("%s start request repeated too quickly, refusing to start.", u->id);
return -ECANCELED;
}
return !s->got_socket_fd;
}
+static int service_retry_pid_file(Service *s) {
+ int r;
+
+ assert(s->pid_file);
+ assert(s->state == SERVICE_START || s->state == SERVICE_START_POST);
+
+ r = service_load_pid_file(s, false);
+ if (r < 0)
+ return r;
+
+ service_unwatch_pid_file(s);
+
+ service_enter_running(s, true);
+ return 0;
+}
+
+static int service_watch_pid_file(Service *s) {
+ int r;
+
+ log_debug("Setting watch for %s's PID file %s", UNIT(s)->id, s->pid_file_pathspec->path);
+ r = path_spec_watch(s->pid_file_pathspec, UNIT(s));
+ if (r < 0)
+ goto fail;
+
+ /* the pidfile might have appeared just before we set the watch */
+ service_retry_pid_file(s);
+
+ return 0;
+fail:
+ log_error("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;
+}
+
+static int service_demand_pid_file(Service *s) {
+ PathSpec *ps;
+
+ assert(s->pid_file);
+ assert(!s->pid_file_pathspec);
+
+ ps = new0(PathSpec, 1);
+ if (!ps)
+ return -ENOMEM;
+
+ ps->path = strdup(s->pid_file);
+ if (!ps->path) {
+ free(ps);
+ return -ENOMEM;
+ }
+
+ path_kill_slashes(ps->path);
+
+ /* PATH_CHANGED would not be enough. There are daemons (sendmail) that
+ * keep their PID file open all the time. */
+ ps->type = PATH_MODIFIED;
+ ps->inotify_fd = -1;
+
+ s->pid_file_pathspec = ps;
+
+ return service_watch_pid_file(s);
+}
+
+static void service_fd_event(Unit *u, int fd, uint32_t events, Watch *w) {
+ Service *s = SERVICE(u);
+
+ assert(s);
+ assert(fd >= 0);
+ assert(s->state == SERVICE_START || s->state == SERVICE_START_POST);
+ assert(s->pid_file_pathspec);
+ assert(path_spec_owns_inotify_fd(s->pid_file_pathspec, fd));
+
+ log_debug("inotify event for %s", u->id);
+
+ if (path_spec_fd_event(s->pid_file_pathspec, events) < 0)
+ goto fail;
+
+ if (service_retry_pid_file(s) == 0)
+ return;
+
+ if (service_watch_pid_file(s) < 0)
+ goto fail;
+
+ return;
+fail:
+ service_unwatch_pid_file(s);
+ service_enter_signal(s, SERVICE_STOP_SIGTERM, false);
+}
+
static void service_sigchld_event(Unit *u, pid_t pid, int code, int status) {
Service *s = SERVICE(u);
bool success;
assert(s);
assert(pid >= 0);
- if (!s->meta.fragment_path)
+ if (!UNIT(s)->fragment_path)
success = is_clean_exit_lsb(code, status);
else
success = is_clean_exit(code, status);
if (s->main_pid == pid) {
+ /* Forking services may occasionally move to a new PID.
+ * As long as they update the PID file before exiting the old
+ * PID, they're fine. */
+ if (service_load_pid_file(s, false) == 0)
+ return;
s->main_pid = 0;
exec_status_exit(&s->main_exec_status, &s->exec_context, pid, code, status);
}
log_full(success ? LOG_DEBUG : LOG_NOTICE,
- "%s: main process exited, code=%s, status=%i", u->meta.id, sigchld_code_to_string(code), status);
+ "%s: main process exited, code=%s, status=%i", u->id, sigchld_code_to_string(code), status);
s->failure = s->failure || !success;
if (s->main_command &&
/* There is another command to *
* execute, so let's do that. */
- log_debug("%s running next main command for state %s", u->meta.id, service_state_to_string(s->state));
+ log_debug("%s running next main command for state %s", u->id, service_state_to_string(s->state));
service_run_next_main(s, success);
} else {
success = true;
}
- log_full(success ? LOG_DEBUG : LOG_NOTICE,
- "%s: control process exited, code=%s status=%i", u->meta.id, sigchld_code_to_string(code), status);
+ log_full(success ? LOG_DEBUG : LOG_NOTICE,
+ "%s: control process exited, code=%s status=%i", u->id, sigchld_code_to_string(code), status);
s->failure = s->failure || !success;
if (s->control_command &&
/* There is another command to *
* execute, so let's do that. */
- log_debug("%s running next control command for state %s", u->meta.id, service_state_to_string(s->state));
+ log_debug("%s running next control command for state %s", u->id, service_state_to_string(s->state));
service_run_next_control(s, success);
} else {
s->control_command = NULL;
s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID;
- log_debug("%s got final SIGCHLD for state %s", u->meta.id, service_state_to_string(s->state));
+ log_debug("%s got final SIGCHLD for state %s", u->id, service_state_to_string(s->state));
switch (s->state) {
case SERVICE_START:
assert(s->type == SERVICE_FORKING);
- /* Let's try to load the pid
- * file here if we can. We
- * ignore the return value,
- * since the PID file might
- * actually be created by a
- * START_POST script */
-
- if (success) {
- service_load_pid_file(s);
- service_search_main_pid(s);
+ if (!success) {
+ service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
+ break;
+ }
- service_enter_start_post(s);
+ if (s->pid_file) {
+ /* Let's try to load the pid file here if we can.
+ * The PID file might actually be created by a START_POST
+ * script. In that case don't worry if the loading fails. */
+ bool has_start_post = !!s->exec_command[SERVICE_EXEC_START_POST];
+ int r = service_load_pid_file(s, !has_start_post);
+ if (!has_start_post && r < 0) {
+ r = service_demand_pid_file(s);
+ if (r < 0 || !cgroup_good(s))
+ service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
+ break;
+ }
} else
- service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
+ service_search_main_pid(s);
+ service_enter_start_post(s);
break;
case SERVICE_START_POST:
- if (success) {
- service_load_pid_file(s);
- service_search_main_pid(s);
+ if (!success) {
+ service_enter_stop(s, false);
+ break;
}
- s->reload_failure = !success;
+ if (s->pid_file) {
+ int r = service_load_pid_file(s, true);
+ if (r < 0) {
+ r = service_demand_pid_file(s);
+ if (r < 0 || !cgroup_good(s))
+ service_enter_stop(s, false);
+ break;
+ }
+ } else
+ service_search_main_pid(s);
+
service_enter_running(s, true);
break;
case SERVICE_RELOAD:
if (success) {
- service_load_pid_file(s);
+ service_load_pid_file(s, true);
service_search_main_pid(s);
}
case SERVICE_START_PRE:
case SERVICE_START:
- log_warning("%s operation timed out. Terminating.", u->meta.id);
+ log_warning("%s operation timed out. Terminating.", u->id);
service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
break;
case SERVICE_START_POST:
- log_warning("%s operation timed out. Stopping.", u->meta.id);
+ log_warning("%s operation timed out. Stopping.", u->id);
service_enter_stop(s, false);
break;
case SERVICE_RELOAD:
- log_warning("%s operation timed out. Stopping.", u->meta.id);
+ log_warning("%s operation timed out. Stopping.", u->id);
s->reload_failure = true;
service_enter_running(s, true);
break;
case SERVICE_STOP:
- log_warning("%s stopping timed out. Terminating.", u->meta.id);
+ log_warning("%s stopping timed out. Terminating.", u->id);
service_enter_signal(s, SERVICE_STOP_SIGTERM, false);
break;
case SERVICE_STOP_SIGTERM:
if (s->exec_context.send_sigkill) {
- log_warning("%s stopping timed out. Killing.", u->meta.id);
+ log_warning("%s stopping timed out. Killing.", u->id);
service_enter_signal(s, SERVICE_STOP_SIGKILL, false);
} else {
- log_warning("%s stopping timed out. Skipping SIGKILL.", u->meta.id);
+ log_warning("%s stopping timed out. Skipping SIGKILL.", u->id);
service_enter_stop_post(s, false);
}
* Must be something we cannot kill, so let's just be
* weirded out and continue */
- log_warning("%s still around after SIGKILL. Ignoring.", u->meta.id);
+ log_warning("%s still around after SIGKILL. Ignoring.", u->id);
service_enter_stop_post(s, false);
break;
case SERVICE_STOP_POST:
- log_warning("%s stopping timed out (2). Terminating.", u->meta.id);
+ log_warning("%s stopping timed out (2). Terminating.", u->id);
service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
break;
case SERVICE_FINAL_SIGTERM:
if (s->exec_context.send_sigkill) {
- log_warning("%s stopping timed out (2). Killing.", u->meta.id);
+ log_warning("%s stopping timed out (2). Killing.", u->id);
service_enter_signal(s, SERVICE_FINAL_SIGKILL, false);
} else {
- log_warning("%s stopping timed out (2). Skipping SIGKILL. Entering failed mode.", u->meta.id);
+ log_warning("%s stopping timed out (2). Skipping SIGKILL. Entering failed mode.", u->id);
service_enter_dead(s, false, true);
}
break;
case SERVICE_FINAL_SIGKILL:
- log_warning("%s still around after SIGKILL (2). Entering failed mode.", u->meta.id);
+ log_warning("%s still around after SIGKILL (2). Entering failed mode.", u->id);
service_enter_dead(s, false, true);
break;
case SERVICE_AUTO_RESTART:
- log_info("%s holdoff time over, scheduling restart.", u->meta.id);
+ log_info("%s holdoff time over, scheduling restart.", u->id);
service_enter_restart(s);
break;
assert(u);
- log_debug("%s: cgroup is empty", u->meta.id);
+ log_debug("%s: cgroup is empty", u->id);
switch (s->state) {
* except when we don't know pid which to expect the
* SIGCHLD for. */
+ case SERVICE_START:
+ case SERVICE_START_POST:
+ /* If we were hoping for the daemon to write its PID file,
+ * we can give up now. */
+ if (s->pid_file_pathspec) {
+ log_warning("%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, false);
+ else
+ service_enter_stop(s, false);
+ }
+ break;
+
case SERVICE_RUNNING:
service_enter_running(s, true);
break;
if (s->notify_access == NOTIFY_NONE) {
log_warning("%s: Got notification message from PID %lu, but reception is disabled.",
- u->meta.id, (unsigned long) pid);
+ u->id, (unsigned long) pid);
return;
}
if (s->notify_access == NOTIFY_MAIN && pid != s->main_pid) {
log_warning("%s: Got notification message from PID %lu, but reception only permitted for PID %lu",
- u->meta.id, (unsigned long) pid, (unsigned long) s->main_pid);
+ u->id, (unsigned long) pid, (unsigned long) s->main_pid);
return;
}
- log_debug("%s: Got message", u->meta.id);
+ log_debug("%s: Got message", u->id);
/* Interpret MAINPID= */
if ((e = strv_find_prefix(tags, "MAINPID=")) &&
if (parse_pid(e + 8, &pid) < 0)
log_warning("Failed to parse notification message %s", e);
else {
- log_debug("%s: got %s", u->meta.id, e);
+ log_debug("%s: got %s", u->id, e);
service_set_main_pid(s, pid);
}
}
if (s->type == SERVICE_NOTIFY &&
s->state == SERVICE_START &&
strv_find(tags, "READY=1")) {
- log_debug("%s: got READY=1", u->meta.id);
+ log_debug("%s: got READY=1", u->id);
service_enter_start_post(s);
}
return;
}
- log_debug("%s: got %s", u->meta.id, e);
+ log_debug("%s: got %s", u->id, e);
free(s->status_text);
s->status_text = t;
Unit *u;
if (sysv_translate_facility(parsed[0], NULL, &facility) < 0)
continue;
- if ((u = manager_get_unit(mgr, facility)) && (u->meta.type == UNIT_TARGET)) {
+ if ((u = manager_get_unit(mgr, facility)) && (u->type == UNIT_TARGET)) {
UnitDependency e;
char *dep = NULL, *name, **j;
free(fpath);
fpath = join(path, "/", de->d_name, NULL);
- if (!path) {
+ if (!fpath) {
r = -ENOMEM;
goto finish;
}
SET_FOREACH(service, runlevel_services[i], j) {
service = unit_follow_merge(service);
- if (service->meta.fragment_path)
+ if (service->fragment_path)
continue;
if ((r = unit_add_two_dependencies_by_name_inverse(service, UNIT_AFTER, UNIT_WANTS, rcnd_table[i].target, NULL, true)) < 0)
SET_FOREACH(service, shutdown_services, j) {
service = unit_follow_merge(service);
- if (service->meta.fragment_path)
+ if (service->fragment_path)
continue;
if ((r = unit_add_two_dependencies_by_name(service, UNIT_BEFORE, UNIT_CONFLICTS, SPECIAL_SHUTDOWN_TARGET, NULL, true)) < 0)
r = 0;
#ifdef TARGET_SUSE
- sysv_facility_in_insserv_conf (m);
+ sysv_facility_in_insserv_conf (m);
#endif
finish:
assert(old_owner || new_owner);
if (old_owner && new_owner)
- log_debug("%s's D-Bus name %s changed owner from %s to %s", u->meta.id, name, old_owner, new_owner);
+ log_debug("%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("%s's D-Bus name %s no longer registered by %s", u->meta.id, name, old_owner);
+ log_debug("%s's D-Bus name %s no longer registered by %s", u->id, name, old_owner);
else
- log_debug("%s's D-Bus name %s now registered by %s", u->meta.id, name, new_owner);
+ log_debug("%s's D-Bus name %s now registered by %s", u->id, name, new_owner);
s->bus_name_good = !!new_owner;
/* Try to acquire PID from bus service */
log_debug("Trying to acquire PID from D-Bus name...");
- bus_query_pid(u->meta.manager, name);
+ bus_query_pid(u->manager, name);
}
}
assert(s);
assert(name);
- log_debug("%s's D-Bus name %s is now owned by process %u", u->meta.id, name, (unsigned) pid);
+ log_debug("%s's D-Bus name %s is now owned by process %u", u->id, name, (unsigned) pid);
if (s->main_pid <= 0 &&
(s->state == SERVICE_START ||
}
int service_set_socket_fd(Service *s, int fd, Socket *sock) {
+
assert(s);
assert(fd >= 0);
* service for a stream socket and the socket needs to be
* configured. */
- if (s->meta.load_state != UNIT_LOADED)
+ if (UNIT(s)->load_state != UNIT_LOADED)
return -EINVAL;
if (s->socket_fd >= 0)
s->socket_fd = fd;
s->got_socket_fd = true;
- s->accept_socket = sock;
- return 0;
+ unit_ref_set(&s->accept_socket, UNIT(sock));
+
+ return unit_add_two_dependencies(UNIT(sock), UNIT_BEFORE, UNIT_TRIGGERS, UNIT(s), false);
}
static void service_reset_failed(Unit *u) {
goto finish;
}
- if ((q = cgroup_bonding_kill_list(s->meta.cgroup_bondings, signo, false, pid_set)) < 0)
+ if ((q = cgroup_bonding_kill_list(UNIT(s)->cgroup_bondings, signo, false, pid_set)) < 0)
if (q != -EAGAIN && q != -ESRCH && q != -ENOENT)
r = q;
}
const UnitVTable service_vtable = {
.suffix = ".service",
+ .object_size = sizeof(Service),
.sections =
"Unit\0"
"Service\0"
.sigchld_event = service_sigchld_event,
.timer_event = service_timer_event,
+ .fd_event = service_fd_event,
.reset_failed = service_reset_failed,
~ianmdlvl / elogind.git / blobdiff