int r;
assert_return(e, -EINVAL);
- assert_return(fd >= 0, -EINVAL);
+ assert_return(fd >= 0, -EBADF);
assert_return(!(events & ~(EPOLLIN|EPOLLOUT|EPOLLRDHUP|EPOLLPRI|EPOLLERR|EPOLLHUP|EPOLLET)), -EINVAL);
assert_return(callback, -EINVAL);
assert_return(e->state != SD_EVENT_FINISHED, -ESTALE);
int r;
assert_return(s, -EINVAL);
- assert_return(fd >= 0, -EINVAL);
+ assert_return(fd >= 0, -EBADF);
assert_return(s->type == SOURCE_IO, -EDOM);
assert_return(!event_pid_changed(s->event), -ECHILD);
assert_return(usec, -EINVAL);
assert_return(!event_pid_changed(e), -ECHILD);
- /* If we haven't run yet, just get the actual time */
- if (!dual_timestamp_is_set(&e->timestamp))
- return -ENODATA;
+ if (!dual_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) {