diff options
| -rw-r--r-- | ev.pod | 15 |
1 files changed, 10 insertions, 5 deletions
@@ -553,12 +553,16 @@ usually a better approach for this kind of thing. Here are the gory details of what C<ev_loop> does: - Before the first iteration, call any pending watchers. - * If there are no active watchers (reference count is zero), return. - - Queue all prepare watchers and then call all outstanding watchers. + * If EVFLAG_FORKCHECK was used, check for a fork. + - If a fork was detected, queue and call all fork watchers. + - Queue and call all prepare watchers. - If we have been forked, recreate the kernel state. - Update the kernel state with all outstanding changes. - Update the "event loop time". - - Calculate for how long to block. + - Calculate for how long to sleep or block, if at all + (active idle watchers, EVLOOP_NONBLOCK or not having + any active watchers at all will result in not sleeping). + - Sleep if the I/O and timer collect interval say so. - Block the process, waiting for any events. - Queue all outstanding I/O (fd) events. - Update the "event loop time" and do time jump handling. @@ -569,8 +573,9 @@ Here are the gory details of what C<ev_loop> does: - Call all queued watchers in reverse order (i.e. check watchers first). Signals and child watchers are implemented as I/O watchers, and will be handled here by queueing them when their watcher gets executed. - - If ev_unloop has been called or EVLOOP_ONESHOT or EVLOOP_NONBLOCK - were used, return, otherwise continue with step *. + - If ev_unloop has been called, or EVLOOP_ONESHOT or EVLOOP_NONBLOCK + were used, or there are no active watchers, return, otherwise + continue with step *. Example: Queue some jobs and then loop until no events are outsanding anymore. |