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Diffstat (limited to 'src/core/service.c')
-rw-r--r--src/core/service.c116
1 files changed, 41 insertions, 75 deletions
diff --git a/src/core/service.c b/src/core/service.c
index 702443d215..4c7603c069 100644
--- a/src/core/service.c
+++ b/src/core/service.c
@@ -123,6 +123,8 @@ static int service_dispatch_io(sd_event_source *source, int fd, uint32_t events,
static int service_dispatch_timer(sd_event_source *source, usec_t usec, void *userdata);
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_init(Unit *u) {
Service *s = SERVICE(u);
@@ -242,27 +244,17 @@ static void service_stop_watchdog(Service *s) {
assert(s);
s->watchdog_event_source = sd_event_source_unref(s->watchdog_event_source);
- s->watchdog_timestamp = (struct dual_timestamp) { 0, 0 };
+ s->watchdog_timestamp = DUAL_TIMESTAMP_NULL;
}
-static void service_enter_signal(Service *s, ServiceState state, ServiceResult f);
-
-static void service_handle_watchdog(Service *s) {
- usec_t nw;
+static void service_start_watchdog(Service *s) {
int r;
assert(s);
- if (s->watchdog_usec == 0)
+ if (s->watchdog_usec <= 0)
return;
- nw = now(CLOCK_MONOTONIC);
- if (nw >= s->watchdog_timestamp.monotonic + s->watchdog_usec) {
- log_error_unit(UNIT(s)->id, "%s watchdog timeout!", UNIT(s)->id);
- service_enter_signal(s, SERVICE_STOP_SIGKILL, SERVICE_FAILURE_WATCHDOG);
- return;
- }
-
if (s->watchdog_event_source) {
r = sd_event_source_set_time(s->watchdog_event_source, s->watchdog_timestamp.monotonic + s->watchdog_usec);
if (r < 0) {
@@ -270,21 +262,19 @@ static void service_handle_watchdog(Service *s) {
return;
}
- r = sd_event_source_set_enabled(s->watchdog_event_source, SD_EVENT_ON);
+ r = sd_event_source_set_enabled(s->watchdog_event_source, SD_EVENT_ONESHOT);
} else
r = sd_event_add_monotonic(UNIT(s)->manager->event, s->watchdog_timestamp.monotonic + s->watchdog_usec, 0, service_dispatch_watchdog, s, &s->watchdog_event_source);
if (r < 0)
- log_warning_unit(UNIT(s)->id,
- "%s failed to install watchdog timer: %s",
- UNIT(s)->id, strerror(-r));
+ log_warning_unit(UNIT(s)->id, "%s failed to install watchdog timer: %s", UNIT(s)->id, strerror(-r));
}
static void service_reset_watchdog(Service *s) {
assert(s);
dual_timestamp_get(&s->watchdog_timestamp);
- service_handle_watchdog(s);
+ service_start_watchdog(s);
}
static void service_done(Unit *u) {
@@ -1477,6 +1467,7 @@ static int service_search_main_pid(Service *s) {
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;
@@ -1486,62 +1477,43 @@ static void service_set_state(Service *s, ServiceState state) {
service_unwatch_pid_file(s);
- if (state != SERVICE_START_PRE &&
- state != SERVICE_START &&
- state != SERVICE_START_POST &&
- state != SERVICE_RELOAD &&
- state != SERVICE_STOP &&
- state != SERVICE_STOP_SIGTERM &&
- state != SERVICE_STOP_SIGKILL &&
- state != SERVICE_STOP_POST &&
- state != SERVICE_FINAL_SIGTERM &&
- state != SERVICE_FINAL_SIGKILL &&
- state != SERVICE_AUTO_RESTART)
+ if (!IN_SET(state,
+ SERVICE_START_PRE, SERVICE_START, SERVICE_START_POST,
+ SERVICE_RELOAD,
+ SERVICE_STOP, SERVICE_STOP_SIGTERM, SERVICE_STOP_SIGKILL, SERVICE_STOP_POST,
+ SERVICE_FINAL_SIGTERM, SERVICE_FINAL_SIGKILL,
+ SERVICE_AUTO_RESTART))
s->timer_event_source = sd_event_source_unref(s->timer_event_source);
- if (state != SERVICE_START &&
- state != SERVICE_START_POST &&
- state != SERVICE_RUNNING &&
- state != SERVICE_RELOAD &&
- state != SERVICE_STOP &&
- state != SERVICE_STOP_SIGTERM &&
- state != SERVICE_STOP_SIGKILL) {
+ if (!IN_SET(state,
+ SERVICE_START, SERVICE_START_POST,
+ SERVICE_RUNNING, SERVICE_RELOAD,
+ SERVICE_STOP, SERVICE_STOP_SIGTERM, SERVICE_STOP_SIGKILL)) {
service_unwatch_main_pid(s);
s->main_command = NULL;
}
- if (state != SERVICE_START_PRE &&
- state != SERVICE_START &&
- state != SERVICE_START_POST &&
- state != SERVICE_RELOAD &&
- state != SERVICE_STOP &&
- state != SERVICE_STOP_SIGTERM &&
- state != SERVICE_STOP_SIGKILL &&
- state != SERVICE_STOP_POST &&
- state != SERVICE_FINAL_SIGTERM &&
- state != SERVICE_FINAL_SIGKILL) {
+ if (!IN_SET(state,
+ SERVICE_START_PRE, SERVICE_START, SERVICE_START_POST,
+ SERVICE_RELOAD,
+ SERVICE_STOP, SERVICE_STOP_SIGTERM, SERVICE_STOP_SIGKILL, SERVICE_STOP_POST,
+ SERVICE_FINAL_SIGTERM, SERVICE_FINAL_SIGKILL)) {
service_unwatch_control_pid(s);
s->control_command = NULL;
s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID;
}
- if (state != SERVICE_START_PRE &&
- state != SERVICE_START &&
- state != SERVICE_START_POST &&
- state != SERVICE_RUNNING &&
- state != SERVICE_RELOAD &&
- state != SERVICE_STOP &&
- state != SERVICE_STOP_SIGTERM &&
- state != SERVICE_STOP_SIGKILL &&
- state != SERVICE_STOP_POST &&
- state != SERVICE_FINAL_SIGTERM &&
- state != SERVICE_FINAL_SIGKILL &&
+ if (!IN_SET(state,
+ SERVICE_START_PRE, SERVICE_START, SERVICE_START_POST,
+ SERVICE_RUNNING, SERVICE_RELOAD,
+ SERVICE_STOP, SERVICE_STOP_SIGTERM, SERVICE_STOP_SIGKILL, SERVICE_STOP_POST,
+ SERVICE_FINAL_SIGTERM, SERVICE_FINAL_SIGKILL) &&
!(state == SERVICE_DEAD && UNIT(s)->job)) {
service_close_socket_fd(s);
service_connection_unref(s);
}
- if (state == SERVICE_STOP || state == SERVICE_STOP_SIGTERM)
+ if (IN_SET(state, SERVICE_START_POST, SERVICE_RUNNING, SERVICE_RELOAD))
service_stop_watchdog(s);
/* For the inactive states unit_notify() will trim the cgroup,
@@ -1566,10 +1538,7 @@ static void service_set_state(Service *s, ServiceState state) {
}
if (old_state != state)
- log_debug_unit(UNIT(s)->id,
- "%s changed %s -> %s", UNIT(s)->id,
- service_state_to_string(old_state),
- service_state_to_string(state));
+ log_debug_unit(UNIT(s)->id, "%s changed %s -> %s", UNIT(s)->id, service_state_to_string(old_state), service_state_to_string(state));
unit_notify(UNIT(s), table[old_state], table[state], s->reload_result == SERVICE_SUCCESS);
s->reload_result = SERVICE_SUCCESS;
@@ -1650,9 +1619,8 @@ static int service_coldplug(Unit *u) {
return r;
}
- if (s->deserialized_state == SERVICE_START_POST ||
- s->deserialized_state == SERVICE_RUNNING)
- service_handle_watchdog(s);
+ if (IN_SET(s->deserialized_state, SERVICE_START_POST, SERVICE_RUNNING, SERVICE_RELOAD))
+ service_start_watchdog(s);
service_set_state(s, s->deserialized_state);
}
@@ -2102,9 +2070,7 @@ static void service_enter_start_post(Service *s) {
assert(s);
service_unwatch_control_pid(s);
-
- if (s->watchdog_usec > 0)
- service_reset_watchdog(s);
+ service_reset_watchdog(s);
s->control_command = s->exec_command[SERVICE_EXEC_START_POST];
if (s->control_command) {
@@ -2646,8 +2612,7 @@ static int service_serialize(Unit *u, FILE *f, FDSet *fds) {
}
}
if (dual_timestamp_is_set(&s->watchdog_timestamp))
- dual_timestamp_serialize(f, "watchdog-timestamp",
- &s->watchdog_timestamp);
+ dual_timestamp_serialize(f, "watchdog-timestamp", &s->watchdog_timestamp);
if (s->forbid_restart)
unit_serialize_item(u, f, "forbid-restart", yes_no(s->forbid_restart));
@@ -3305,7 +3270,9 @@ static int service_dispatch_watchdog(sd_event_source *source, usec_t usec, void
assert(s);
assert(source == s->watchdog_event_source);
- service_handle_watchdog(s);
+ log_error_unit(UNIT(s)->id, "%s watchdog timeout!", UNIT(s)->id);
+ service_enter_signal(s, SERVICE_STOP_SIGTERM, SERVICE_FAILURE_WATCHDOG);
+
return 0;
}
@@ -3446,11 +3413,10 @@ static void service_notify_message(Unit *u, pid_t pid, char **tags) {
}
}
+
if (strv_find(tags, "WATCHDOG=1")) {
- log_debug_unit(u->id,
- "%s: got WATCHDOG=1", u->id);
- if (dual_timestamp_is_set(&s->watchdog_timestamp))
- service_reset_watchdog(s);
+ log_debug_unit(u->id, "%s: got WATCHDOG=1", u->id);
+ service_reset_watchdog(s);
}
/* Notify clients about changed status or main pid */
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-12-12 13:06:32 +0000