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authorroot <root>2008-04-02 06:34:50 +0000
committerroot <root>2008-04-02 06:34:50 +0000
commit44f698ae2a749d552fab07dd450d4085f8f83531 (patch)
tree6b3f47ef0dbd6593ea22d07f5075b7bd4ed08e10 /ev.pod
parent812df45ef78bee506a4923d2b1498cdc66aebff1 (diff)
*** empty log message ***
Diffstat (limited to 'ev.pod')
-rw-r--r--ev.pod14
1 files changed, 14 insertions, 0 deletions
diff --git a/ev.pod b/ev.pod
index 81dd6a9..aa8a647 100644
--- a/ev.pod
+++ b/ev.pod
@@ -2290,6 +2290,20 @@ This call incurs the overhead of a syscall only once per loop iteration,
so while the overhead might be noticable, it doesn't apply to repeated
calls to C<ev_async_send>.
+=item bool = ev_async_pending (ev_async *)
+
+Returns a non-zero value when C<ev_async_send> has been called on the
+watcher but the event has not yet been processed (or even noted) by the
+event loop.
+
+C<ev_async_send> sets a flag in the watcher and wakes up the loop. When
+the loop iterates next and checks for the watcher to have become active,
+it will reset the flag again. C<ev_async_pending> can be used to very
+quickly check wether invoking the loop might be a good idea.
+
+Not that this does I<not> check wether the watcher itself is pending, only
+wether it has been requested to make this watcher pending.
+
=back