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authorroot <root>2007-11-27 20:15:01 +0000
committerroot <root>2007-11-27 20:15:01 +0000
commitbd14babf134e551f28f49193bf20705933c772c8 (patch)
tree2070cde808a7e8aef7e97e4b426da6c25d260683 /ev.pod
parent13ceb5587aabc8cb42b646a7c85625c2f50171dc (diff)
- ein bild sagt mehr als tausend worte
- the last entry was bollocks, timers did work
Diffstat (limited to 'ev.pod')
-rw-r--r--ev.pod40
1 files changed, 40 insertions, 0 deletions
diff --git a/ev.pod b/ev.pod
index dceb010..43db80f 100644
--- a/ev.pod
+++ b/ev.pod
@@ -4,8 +4,48 @@ libev - a high performance full-featured event loop written in C
=head1 SYNOPSIS
+ /* this is the only header you need */
#include <ev.h>
+ /* what follows is a fully working example program */
+ ev_io stdin_watcher;
+ ev_timer timeout_watcher;
+
+ /* called when data readable on stdin */
+ static void
+ stdin_cb (EV_P_ struct ev_io *w, int revents)
+ {
+ /* puts ("stdin ready"); */
+ ev_io_stop (EV_A_ w); /* just a syntax example */
+ ev_unloop (EV_A_ EVUNLOOP_ALL); /* leave all loop calls */
+ }
+
+ static void
+ timeout_cb (EV_P_ struct ev_timer *w, int revents)
+ {
+ /* puts ("timeout"); */
+ ev_unloop (EV_A_ EVUNLOOP_ONE); /* leave one loop call */
+ }
+
+ int
+ main (void)
+ {
+ struct ev_loop *loop = ev_default_loop (0);
+
+ /* initialise an io watcher, then start it */
+ ev_io_init (&stdin_watcher, stdin_cb, /*STDIN_FILENO*/ 0, EV_READ);
+ ev_io_start (loop, &stdin_watcher);
+
+ /* simple non-repeating 5.5 second timeout */
+ ev_timer_init (&timeout_watcher, timeout_cb, 5.5, 0.);
+ ev_timer_start (loop, &timeout_watcher);
+
+ /* loop till timeout or data ready */
+ ev_loop (loop, 0);
+
+ return 0;
+ }
+
=head1 DESCRIPTION
Libev is an event loop: you register interest in certain events (such as a