| 1 |
root |
1.1 |
#ifndef EV_H |
| 2 |
|
|
#define EV_H |
| 3 |
|
|
|
| 4 |
|
|
typedef double ev_tstamp; |
| 5 |
|
|
|
| 6 |
|
|
/* eventmask, revents, events... */ |
| 7 |
|
|
#define EV_UNDEF -1 /* guaranteed to be invalid */ |
| 8 |
|
|
#define EV_NONE 0 |
| 9 |
|
|
#define EV_READ 1 |
| 10 |
|
|
#define EV_WRITE 2 |
| 11 |
|
|
#define EV_TIMEOUT 4 |
| 12 |
|
|
#define EV_SIGNAL 8 |
| 13 |
|
|
|
| 14 |
|
|
/* shared by all watchers */ |
| 15 |
|
|
#define EV_WATCHER(type) \ |
| 16 |
|
|
int active; /* private */ \ |
| 17 |
|
|
int pending; /* private */ \ |
| 18 |
|
|
void *data; /* rw */ \ |
| 19 |
|
|
void (*cb)(struct type *, int revents) /* rw */ |
| 20 |
|
|
|
| 21 |
|
|
#define EV_WATCHER_LIST(type) \ |
| 22 |
|
|
EV_WATCHER (type); \ |
| 23 |
|
|
struct type *next /* private */ |
| 24 |
|
|
|
| 25 |
|
|
struct ev_timer |
| 26 |
|
|
{ |
| 27 |
|
|
EV_WATCHER_LIST (ev_timer); |
| 28 |
|
|
|
| 29 |
|
|
ev_tstamp at; /* ro */ |
| 30 |
|
|
ev_tstamp repeat; /* rw */ |
| 31 |
|
|
unsigned char is_abs; /* rw */ |
| 32 |
|
|
}; |
| 33 |
|
|
|
| 34 |
|
|
struct ev_io |
| 35 |
|
|
{ |
| 36 |
|
|
EV_WATCHER_LIST (ev_io); |
| 37 |
|
|
|
| 38 |
|
|
int fd; /* ro */ |
| 39 |
|
|
int events; /* ro */ |
| 40 |
|
|
}; |
| 41 |
|
|
|
| 42 |
|
|
struct ev_signal |
| 43 |
|
|
{ |
| 44 |
|
|
EV_WATCHER_LIST (ev_signal); |
| 45 |
|
|
|
| 46 |
|
|
int signum; /* ro */ |
| 47 |
|
|
}; |
| 48 |
|
|
|
| 49 |
|
|
#define EVMETHOD_NONE 0 |
| 50 |
|
|
#define EVMETHOD_SELECT 1 |
| 51 |
|
|
#define EVMETHOD_EPOLL 2 |
| 52 |
|
|
int ev_init (int flags); |
| 53 |
|
|
extern int ev_method; |
| 54 |
|
|
|
| 55 |
|
|
void ev_prefork (void); |
| 56 |
|
|
void ev_postfork_parent (void); |
| 57 |
|
|
void ev_postfork_child (void); |
| 58 |
|
|
|
| 59 |
|
|
extern ev_tstamp ev_now; /* time w.r.t. timers and the eventloop, updated after each poll */ |
| 60 |
|
|
ev_tstamp ev_time (void); |
| 61 |
|
|
|
| 62 |
|
|
#define EVLOOP_NONBLOCK 1 /* do not block/wait */ |
| 63 |
|
|
#define EVLOOP_ONESHOT 2 /* block *once* only */ |
| 64 |
|
|
int ev_loop (int flags); |
| 65 |
|
|
extern int ev_loop_done; /* set to 1 to break out of event loop */ |
| 66 |
|
|
|
| 67 |
|
|
#define evw_init(ev,cb_,data_) do { (ev)->active = 0; (ev)->cb = (cb_); (ev)->data = (void *)data_; } while (0) |
| 68 |
|
|
#define evio_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0) |
| 69 |
|
|
#define evtimer_set_rel(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); (ev)->is_abs = 0; } while (0) |
| 70 |
|
|
#define evtimer_set_abs(ev,at_,repeat_) do { (ev)->at = (at_); (ev)->repeat = (repeat_); (ev)->is_abs = 1; } while (0) |
| 71 |
|
|
#define evsignal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) |
| 72 |
|
|
|
| 73 |
|
|
#define ev_is_active(ev) (0 + (ev)->active) /* wether the watcher has been started */ |
| 74 |
|
|
|
| 75 |
|
|
void evio_start (struct ev_io *w); |
| 76 |
|
|
void evio_stop (struct ev_io *w); |
| 77 |
|
|
|
| 78 |
|
|
void evtimer_start (struct ev_timer *w); |
| 79 |
|
|
void evtimer_stop (struct ev_timer *w); |
| 80 |
|
|
|
| 81 |
|
|
void evsignal_start (struct ev_signal *w); |
| 82 |
|
|
void evsignal_stop (struct ev_signal *w); |
| 83 |
|
|
|
| 84 |
|
|
#endif |
| 85 |
|
|
|
