diff options
Diffstat (limited to 'ev.pod')
| -rw-r--r-- | ev.pod | 25 |
1 files changed, 18 insertions, 7 deletions
@@ -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 } }; |