diff options
Diffstat (limited to 'ev.h')
| -rw-r--r-- | ev.h | 22 |
1 files changed, 18 insertions, 4 deletions
@@ -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 |