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authorroot <root>2010-10-21 02:33:08 +0000
committerroot <root>2010-10-21 02:33:08 +0000
commited35fe84c2d1d72e35a7fd111834678b030f2023 (patch)
tree79f7f573745ddfdb853cf209918da6e2391d9174 /ev.pod
parent015897f2e00ab95c7acd36afb5d381ffbdbe0c70 (diff)
*** empty log message ***
Diffstat (limited to 'ev.pod')
-rw-r--r--ev.pod25
1 files changed, 18 insertions, 7 deletions
diff --git a/ev.pod b/ev.pod
index b370558..2f405b5 100644
--- a/ev.pod
+++ b/ev.pod
@@ -3393,16 +3393,22 @@ do this when the watcher is inactive (and not pending either).
=item w->set ([arguments])
-Basically the same as C<ev_TYPE_set>, with the same arguments. Must be
-called at least once. Unlike the C counterpart, an active watcher gets
-automatically stopped and restarted when reconfiguring it with this
-method.
+Basically the same as C<ev_TYPE_set>, with the same arguments. Either this
+method or a suitable start method must be called at least once. Unlike the
+C counterpart, an active watcher gets automatically stopped and restarted
+when reconfiguring it with this method.
=item w->start ()
Starts the watcher. Note that there is no C<loop> argument, as the
constructor already stores the event loop.
+=item w->start ([arguments])
+
+Instead of calling C<set> and C<start> methods separately, it is often
+convenient to wrap them in one call. Uses the same type of arguments as
+the configure C<set> method of the watcher.
+
=item w->stop ()
Stops the watcher if it is active. Again, no C<loop> argument.
@@ -3424,20 +3430,25 @@ Invokes C<ev_stat_stat>.
=back
-Example: Define a class with an IO and idle watcher, start one of them in
-the constructor.
+Example: Define a class with two I/O and idle watchers, start the I/O
+watchers in the constructor.
class myclass
{
ev::io io ; void io_cb (ev::io &w, int revents);
+ ev::io2 io2 ; void io2_cb (ev::io &w, int revents);
ev::idle idle; void idle_cb (ev::idle &w, int revents);
myclass (int fd)
{
io .set <myclass, &myclass::io_cb > (this);
+ io2 .set <myclass, &myclass::io2_cb > (this);
idle.set <myclass, &myclass::idle_cb> (this);
- io.start (fd, ev::READ);
+ io.set (fd, ev::WRITE); // configure the watcher
+ io.start (); // start it whenever convenient
+
+ io2.start (fd, ev::READ); // set + start in one call
}
};