* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
-#ifndef EV_H
-#define EV_H
+#ifndef EV_H__
+#define EV_H__
#ifdef __cplusplus
extern "C" {
#define EV_VERSION_MAJOR 1
#define EV_VERSION_MINOR 1
+#ifndef EV_CB_DECLARE
+# define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents);
+#endif
+#ifndef EV_CB_INVOKE
+# define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents))
+#endif
+
/*
* struct member types:
* private: you can look at them, but not change them, and they might not mean anything to you.
int pending; /* private */ \
int priority; /* private */ \
EV_COMMON; /* rw */ \
- void (*cb)(EV_P_ struct type *, int revents) /* private */ /* gets invoked with an eventmask */
+ EV_CB_DECLARE (type) /* private */
#define EV_WATCHER_LIST(type) \
EV_WATCHER (type); \
ev_tstamp at /* private */
/* base class, nothing to see here unless you subclass */
-struct ev_watcher {
+struct ev_watcher
+{
EV_WATCHER (ev_watcher);
};
/* base class, nothing to see here unless you subclass */
-struct ev_watcher_list {
+struct ev_watcher_list
+{
EV_WATCHER_LIST (ev_watcher_list);
};
/* base class, nothing to see here unless you subclass */
-struct ev_watcher_time {
+struct ev_watcher_time
+{
EV_WATCHER_TIME (ev_watcher_time);
};
int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */
};
+/* the presence of this union forces similar struct layout */
union ev_any_watcher
{
struct ev_watcher w;
struct ev_watcher_list wl;
+
struct ev_io io;
struct ev_timer timer;
struct ev_periodic periodic;
- struct ev_signal signal;
struct ev_idle idle;
- struct ev_child child;
struct ev_prepare prepare;
struct ev_check check;
+ struct ev_signal signal;
+ struct ev_child child;
};
#define EVMETHOD_AUTO 0 /* consults environment */
struct ev_loop *ev_loop_new (int methods);
void ev_loop_destroy (EV_P);
void ev_loop_fork (EV_P);
+
+ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */
+
# else
+
int ev_default_loop (int methods); /* returns true when successful */
+
+static ev_tstamp
+ev_now ()
+{
+ extern ev_tstamp ev_rt_now;
+
+ return ev_rt_now;
+}
# endif
void ev_default_destroy (void); /* destroy the default loop */
void ev_loop (EV_P_ int flags);
void ev_unloop (EV_P_ int how); /* set to 1 to break out of event loop, set to 2 to break out of all event loops */
-ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */
-
/*
* ref/unref can be used to add or remove a refcount on the mainloop. every watcher
* keeps one reference. if you have a long-runing watcher you never unregister that
#endif
/* these may evaluate ev multiple times, and the other arguments at most once */
-/* either use ev_watcher_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */
-#define ev_watcher_init(ev,cb_) do { \
+/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */
+#define ev_init(ev,cb_) do { \
((struct ev_watcher *)(void *)(ev))->active = \
((struct ev_watcher *)(void *)(ev))->pending = \
((struct ev_watcher *)(void *)(ev))->priority = 0; \
- (ev)->cb = (cb_); \
+ ev_set_cb ((ev), cb_); \
} while (0)
#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0)
#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */
#define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0)
-#define ev_io_init(ev,cb,fd,events) do { ev_watcher_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
-#define ev_timer_init(ev,cb,after,repeat) do { ev_watcher_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)
-#define ev_periodic_init(ev,cb,at,ival,res) do { ev_watcher_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0)
-#define ev_signal_init(ev,cb,signum) do { ev_watcher_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)
-#define ev_idle_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)
-#define ev_prepare_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
-#define ev_check_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_check_set ((ev)); } while (0)
-#define ev_child_init(ev,cb,pid) do { ev_watcher_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0)
+#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
+#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)
+#define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0)
+#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)
+#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)
+#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
+#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)
+#define ev_child_init(ev,cb,pid) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0)
#define ev_is_pending(ev) (0 + ((struct ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */
#define ev_is_active(ev) (0 + ((struct ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */
#define ev_priority(ev) ((struct ev_watcher *)(void *)(ev))->priority /* rw */
#define ev_cb(ev) (ev)->cb /* rw */
#define ev_set_priority(ev,pri) ev_priority (ev) = (pri)
-#define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_)
+
+#ifndef ev_set_cb
+# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_)
+#endif
/* 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
+
+/* feeds an event into a watcher as if the event actually occured */
+/* accepts any ev_watcher type */
+void ev_feed_event (EV_P_ void *w, int revents);
+void ev_feed_fd_event (EV_P_ int fd, int revents);
+void ev_feed_signal_event (EV_P_ int signum);
+
void ev_io_start (EV_P_ struct ev_io *w);
void ev_io_stop (EV_P_ struct ev_io *w);
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