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authorroot <root>2007-10-31 13:57:34 +0000
committerroot <root>2007-10-31 13:57:34 +0000
commitb263424bde37eea20a5dee6eb7d42ee411878218 (patch)
tree44b58cb0254f754dd4d4f2a1fdd90616e89796d5 /ev.h
parent49a82c163f76e2916974ec3eac8d395662e7187b (diff)
*** empty log message ***
Diffstat (limited to 'ev.h')
-rw-r--r--ev.h22
1 files changed, 18 insertions, 4 deletions
diff --git a/ev.h b/ev.h
index e4de49b..a1d8891 100644
--- a/ev.h
+++ b/ev.h
@@ -12,11 +12,15 @@ typedef double ev_tstamp;
#define EV_SIGNAL 0x08
#define EV_IDLE 0x10
#define EV_CHECK 0x20
+#define EV_ERROR (0x3f|0x80)
/* can be used to add custom fields to all watchers */
#ifndef EV_COMMON
# define EV_COMMON void *data
#endif
+#ifndef EV_PROTOTYPES
+# define EV_PROTOTYPES 1
+#endif
/*
* struct member types:
@@ -103,8 +107,9 @@ struct ev_check
#define EVMETHOD_NONE 0
#define EVMETHOD_SELECT 1
#define EVMETHOD_EPOLL 2
-int ev_init (int flags); /* returns ev_method */
+#if EV_PROTOTYPES
extern int ev_method;
+int ev_init (int flags); /* returns ev_method */
/* these three calls are suitable for plugging into pthread_atfork */
void ev_prefork (void);
@@ -113,22 +118,29 @@ void ev_postfork_child (void);
extern ev_tstamp ev_now; /* time w.r.t. timers and the eventloop, updated after each poll */
ev_tstamp ev_time (void);
+#endif
#define EVLOOP_NONBLOCK 1 /* do not block/wait */
#define EVLOOP_ONESHOT 2 /* block *once* only */
+#if EV_PROTOTYPES
void ev_loop (int flags);
extern int ev_loop_done; /* set to 1 to break out of event loop, set to 2 to break out of all event loops */
+/* convinience function, wait for a single event, without registering an event watcher */
+/* if timeout is < 0, do wait indefinitely */
+void ev_once (int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg);
+#endif
+
/* these may evaluate ev multiple times, and the other arguments at most once */
/* either use evw_init + evXXX_set, or the evXXX_init macro, below, to first initialise a watcher */
-#define evw_init(ev,cb_) do { (ev)->active = 0; (ev)->cb = (cb_); } while (0)
+#define evw_init(ev,cb_) do { (ev)->active = 0; (ev)->pending = 0; (ev)->cb = (cb_); } while (0)
#define evio_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0)
#define evtimer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0)
#define evperiodic_set(ev,at_,interval_) do { (ev)->at = (at_); (ev)->interval = (interval_); } while (0)
#define evsignal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)
-#define evcheck_set(ev) /* nop, yes this is a serious in-joke */
-#define evidle_set(ev) /* nop, yes this is a serious in-joke */
+#define evcheck_set(ev) /* nop, yes, this is a serious in-joke */
+#define evidle_set(ev) /* nop, yes, this is a serious in-joke */
#define evio_init(ev,cb,fd,events) do { evw_init ((ev), (cb)); evio_set ((ev),(fd),(events)); } while (0)
#define evtimer_init(ev,cb,after,repeat) do { evw_init ((ev), (cb)); evtimer_set ((ev),(after),(repeat)); } while (0)
@@ -141,6 +153,7 @@ extern int ev_loop_done; /* set to 1 to break out of event loop, set to 2 to bre
/* stopping (enabling, adding) a watcher does nothing if it is already running */
/* stopping (disabling, deleting) a watcher does nothing unless its already running */
+#if EV_PROTOTYPES
void evio_start (struct ev_io *w);
void evio_stop (struct ev_io *w);
@@ -159,6 +172,7 @@ void evidle_stop (struct ev_idle *w);
void evcheck_start (struct ev_check *w);
void evcheck_stop (struct ev_check *w);
+#endif
#endif