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-rw-r--r--ev.pod22
1 files changed, 15 insertions, 7 deletions
diff --git a/ev.pod b/ev.pod
index 0fb7b97..ee17cb2 100644
--- a/ev.pod
+++ b/ev.pod
@@ -679,7 +679,7 @@ believe me.
=head2 C<ev_prepare> and C<ev_check> - customise your event loop
Prepare and check watchers are usually (but not always) used in tandem:
-Prepare watchers get invoked before the process blocks and check watchers
+prepare watchers get invoked before the process blocks and check watchers
afterwards.
Their main purpose is to integrate other event mechanisms into libev. This
@@ -692,17 +692,17 @@ them and starting an C<ev_timer> watcher for any timeouts (many libraries
provide just this functionality). Then, in the check watcher you check for
any events that occured (by checking the pending status of all watchers
and stopping them) and call back into the library. The I/O and timer
-callbacks will never actually be called (but must be valid neverthelles,
+callbacks will never actually be called (but must be valid nevertheless,
because you never know, you know?).
As another example, the Perl Coro module uses these hooks to integrate
coroutines into libev programs, by yielding to other active coroutines
during each prepare and only letting the process block if no coroutines
-are ready to run (its actually more complicated, it only runs coroutines
-with priority higher than the event loop and one lower priority once,
-using idle watchers to keep the event loop from blocking if lower-priority
-coroutines exist, thus mapping low-priority coroutines to idle/background
-tasks).
+are ready to run (it's actually more complicated: it only runs coroutines
+with priority higher than or equal to the event loop and one coroutine
+of lower priority, but only once, using idle watchers to keep the event
+loop from blocking if lower-priority coroutines are active, thus mapping
+low-priority coroutines to idle/background tasks).
=over 4
@@ -771,6 +771,14 @@ Feed an event as if the given signal occured (loop must be the default loop!).
=back
+=head1 LIBEVENT EMULATION
+
+TBD.
+
+=head1 C++ SUPPORT
+
+TBD.
+
=head1 AUTHOR
Marc Lehmann <libev@schmorp.de>.