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-rw-r--r--ev.h14
1 files changed, 12 insertions, 2 deletions
diff --git a/ev.h b/ev.h
index 66e9bd1..c3692dd 100644
--- a/ev.h
+++ b/ev.h
@@ -36,6 +36,14 @@ extern "C" {
typedef double ev_tstamp;
+/* these priorities are inclusive, higher priorities will be called earlier */
+#ifndef EV_MINPRI
+# define EV_MINPRI -2
+#endif
+#ifndef EV_MAXPRI
+# define EV_MAXPRI +2
+#endif
+
/* eventmask, revents, events... */
#define EV_UNDEF -1 /* guaranteed to be invalid */
#define EV_NONE 0x00
@@ -72,6 +80,7 @@ typedef double ev_tstamp;
#define EV_WATCHER(type) \
int active; /* private */ \
int pending; /* private */ \
+ int priority; /* ro */ \
EV_COMMON; /* rw */ \
void (*cb)(struct type *, int revents); /* rw */ /* gets invoked with an eventmask */
@@ -200,7 +209,7 @@ void ev_once (int fd, int events, ev_tstamp timeout, void (*cb)(int revents, voi
/* 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 { (ev)->active = 0; (ev)->pending = 0; (ev)->cb = (cb_); } while (0)
+#define ev_watcher_init(ev,cb_) do { (ev)->active = (ev)->pending = (ev)->priority = 0; (ev)->cb = (cb_); } while (0)
#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0)
#define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0)
@@ -220,7 +229,8 @@ void ev_once (int fd, int events, ev_tstamp timeout, void (*cb)(int revents, voi
#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_is_active(ev) (0 + (ev)->active) /* true when the watcher has been started */
+#define ev_is_active(ev) (0 + (ev)->active) /* true when the watcher has been started */
+#define ev_set_priority(ev,pri) (ev)->priority = pri
/* stopping (enabling, adding) a watcher does nothing if it is already running */
/* stopping (disabling, deleting) a watcher does nothing unless its already running */