diff options
Diffstat (limited to 'ev.h')
| -rw-r--r-- | ev.h | 14 |
1 files changed, 12 insertions, 2 deletions
@@ -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 */ |