int64_t priority;
unsigned pending_index;
unsigned prepare_index;
- unsigned pending_iteration;
- unsigned prepare_iteration;
+ uint64_t pending_iteration;
+ uint64_t prepare_iteration;
LIST_FIELDS(sd_event_source, sources);
pid_t original_pid;
- unsigned iteration;
- dual_timestamp timestamp;
- usec_t timestamp_boottime;
+ uint64_t iteration;
+ triple_timestamp timestamp;
int state;
bool exit_requested:1;
return 0;
}
-#if 0 /// UNNEEDED by elogind
static clockid_t event_source_type_to_clock(EventSourceType t) {
switch (t) {
return (clockid_t) -1;
}
}
-#endif // 0
static EventSourceType clock_to_event_source_type(clockid_t clock) {
/* If all the mask is all-zero we can get rid of the structure */
hashmap_remove(e->signal_data, &d->priority);
- assert(!d->current);
safe_close(d->fd);
free(d);
return;
assert_return(e->state != SD_EVENT_FINISHED, -ESTALE);
assert_return(!event_pid_changed(e), -ECHILD);
- if (IN_SET(clock, CLOCK_BOOTTIME, CLOCK_BOOTTIME_ALARM) &&
- !clock_boottime_supported())
+ if (!clock_supported(clock)) /* Checks whether the kernel supports the clock */
+ return -EOPNOTSUPP;
+
+ type = clock_to_event_source_type(clock); /* checks whether sd-event supports this clock */
+ if (type < 0)
return -EOPNOTSUPP;
if (!callback)
callback = time_exit_callback;
- type = clock_to_event_source_type(clock);
- assert_return(type >= 0, -EOPNOTSUPP);
-
d = event_get_clock_data(e, type);
assert(d);
return 0;
}
-#if 0 /// UNNEEDED by elogind
_public_ int sd_event_add_child(
sd_event *e,
sd_event_source **ret,
return 0;
}
-#endif // 0
_public_ int sd_event_add_post(
sd_event *e,
return 0;
}
-#if 0 /// UNNEEDED by elogind
_public_ sd_event_source* sd_event_source_ref(sd_event_source *s) {
if (!s)
return s;
}
-#endif // 0
_public_ sd_event_source* sd_event_source_unref(sd_event_source *s) {
return free_and_strdup(&s->description, description);
}
-#if 0 /// UNNEEDED by elogind
_public_ int sd_event_source_get_description(sd_event_source *s, const char **description) {
assert_return(s, -EINVAL);
assert_return(description, -EINVAL);
*description = s->description;
return 0;
}
-#endif // 0
_public_ sd_event *sd_event_source_get_event(sd_event_source *s) {
assert_return(s, NULL);
return s->event;
}
-#if 0 /// UNNEEDED by elogind
_public_ int sd_event_source_get_pending(sd_event_source *s) {
assert_return(s, -EINVAL);
assert_return(s->type != SOURCE_EXIT, -EDOM);
return s->io.fd;
}
-#endif // 0
_public_ int sd_event_source_set_io_fd(sd_event_source *s, int fd) {
int r;
return 0;
}
-#if 0 /// UNNEEDED by elogind
_public_ int sd_event_source_get_io_events(sd_event_source *s, uint32_t* events) {
assert_return(s, -EINVAL);
assert_return(events, -EINVAL);
*events = s->io.events;
return 0;
}
-#endif // 0
_public_ int sd_event_source_set_io_events(sd_event_source *s, uint32_t events) {
int r;
return 0;
}
-#if 0 /// UNNEEDED by elogind
_public_ int sd_event_source_get_io_revents(sd_event_source *s, uint32_t* revents) {
assert_return(s, -EINVAL);
assert_return(revents, -EINVAL);
assert_return(s, -EINVAL);
assert_return(!event_pid_changed(s->event), -ECHILD);
- return s->priority;
+ *priority = s->priority;
+ return 0;
}
-#endif // 0
_public_ int sd_event_source_set_priority(sd_event_source *s, int64_t priority) {
int r;
return 0;
}
-#if 0 /// UNNEEDED by elogind
_public_ int sd_event_source_get_enabled(sd_event_source *s, int *m) {
assert_return(s, -EINVAL);
assert_return(m, -EINVAL);
*m = s->enabled;
return 0;
}
-#endif // 0
_public_ int sd_event_source_set_enabled(sd_event_source *s, int m) {
int r;
return 0;
}
-#if 0 /// UNNEEDED by elogind
_public_ int sd_event_source_get_time_accuracy(sd_event_source *s, uint64_t *usec) {
assert_return(s, -EINVAL);
assert_return(usec, -EINVAL);
*pid = s->child.pid;
return 0;
}
-#endif // 0
_public_ int sd_event_source_set_prepare(sd_event_source *s, sd_event_handler_t callback) {
int r;
return 0;
}
-#if 0 /// UNNEEDED by elogind
_public_ void* sd_event_source_get_userdata(sd_event_source *s) {
assert_return(s, NULL);
return ret;
}
-#endif // 0
static usec_t sleep_between(sd_event *e, usec_t a, usec_t b) {
usec_t c;
}
static int source_dispatch(sd_event_source *s) {
+ EventSourceType saved_type;
int r = 0;
assert(s);
assert(s->pending || s->type == SOURCE_EXIT);
+ /* Save the event source type, here, so that we still know it after the event callback which might invalidate
+ * the event. */
+ saved_type = s->type;
+
if (s->type != SOURCE_DEFER && s->type != SOURCE_EXIT) {
r = source_set_pending(s, false);
if (r < 0)
if (r < 0)
log_debug_errno(r, "Event source %s (type %s) returned error, disabling: %m",
- strna(s->description), event_source_type_to_string(s->type));
+ strna(s->description), event_source_type_to_string(saved_type));
if (s->n_ref == 0)
source_free(s);
goto finish;
}
- dual_timestamp_get(&e->timestamp);
- if (clock_boottime_supported())
- e->timestamp_boottime = now(CLOCK_BOOTTIME);
+ triple_timestamp_get(&e->timestamp);
for (i = 0; i < m; i++) {
if (r < 0)
goto finish;
- r = process_timer(e, e->timestamp_boottime, &e->boottime);
+ r = process_timer(e, e->timestamp.boottime, &e->boottime);
if (r < 0)
goto finish;
if (r < 0)
goto finish;
- r = process_timer(e, e->timestamp_boottime, &e->boottime_alarm);
+ r = process_timer(e, e->timestamp.boottime, &e->boottime_alarm);
if (r < 0)
goto finish;
return r;
}
-#if 0 /// UNNEEDED by elogind
_public_ int sd_event_loop(sd_event *e) {
int r;
return e->epoll_fd;
}
-#endif // 0
_public_ int sd_event_get_state(sd_event *e) {
assert_return(e, -EINVAL);
return e->state;
}
-#if 0 /// UNNEEDED by elogind
_public_ int sd_event_get_exit_code(sd_event *e, int *code) {
assert_return(e, -EINVAL);
assert_return(code, -EINVAL);
*code = e->exit_code;
return 0;
}
-#endif // 0
_public_ int sd_event_exit(sd_event *e, int code) {
assert_return(e, -EINVAL);
return 0;
}
-#if 0 /// UNNEEDED by elogind
_public_ int sd_event_now(sd_event *e, clockid_t clock, uint64_t *usec) {
assert_return(e, -EINVAL);
assert_return(usec, -EINVAL);
assert_return(!event_pid_changed(e), -ECHILD);
- assert_return(IN_SET(clock,
- CLOCK_REALTIME,
- CLOCK_REALTIME_ALARM,
- CLOCK_MONOTONIC,
- CLOCK_BOOTTIME,
- CLOCK_BOOTTIME_ALARM), -EOPNOTSUPP);
+ if (!TRIPLE_TIMESTAMP_HAS_CLOCK(clock))
+ return -EOPNOTSUPP;
+
+ /* Generate a clean error in case CLOCK_BOOTTIME is not available. Note that don't use clock_supported() here,
+ * for a reason: there are systems where CLOCK_BOOTTIME is supported, but CLOCK_BOOTTIME_ALARM is not, but for
+ * the purpose of getting the time this doesn't matter. */
if (IN_SET(clock, CLOCK_BOOTTIME, CLOCK_BOOTTIME_ALARM) && !clock_boottime_supported())
return -EOPNOTSUPP;
- if (!dual_timestamp_is_set(&e->timestamp)) {
+ if (!triple_timestamp_is_set(&e->timestamp)) {
/* Implicitly fall back to now() if we never ran
* before and thus have no cached time. */
*usec = now(clock);
return 1;
}
- switch (clock) {
-
- case CLOCK_REALTIME:
- case CLOCK_REALTIME_ALARM:
- *usec = e->timestamp.realtime;
- break;
-
- case CLOCK_MONOTONIC:
- *usec = e->timestamp.monotonic;
- break;
-
- case CLOCK_BOOTTIME:
- case CLOCK_BOOTTIME_ALARM:
- *usec = e->timestamp_boottime;
- break;
-
- default:
- assert_not_reached("Unknown clock?");
- }
-
+ *usec = triple_timestamp_by_clock(&e->timestamp, clock);
return 0;
}
-#endif // 0
_public_ int sd_event_default(sd_event **ret) {
return 1;
}
-#if 0 /// UNNEEDED by elogind
_public_ int sd_event_get_tid(sd_event *e, pid_t *tid) {
assert_return(e, -EINVAL);
assert_return(tid, -EINVAL);
return -ENXIO;
}
-#endif // 0
_public_ int sd_event_set_watchdog(sd_event *e, int b) {
int r;
return r;
}
-#if 0 /// UNNEEDED by elogind
_public_ int sd_event_get_watchdog(sd_event *e) {
assert_return(e, -EINVAL);
assert_return(!event_pid_changed(e), -ECHILD);
return e->watchdog;
}
-#endif // 0
+
+_public_ int sd_event_get_iteration(sd_event *e, uint64_t *ret) {
+ assert_return(e, -EINVAL);
+ assert_return(!event_pid_changed(e), -ECHILD);
+
+ *ret = e->iteration;
+ return 0;
+}
~ianmdlvl / elogind.git / blobdiff