ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/libev/ev.h
(Generate patch)

Comparing libev/ev.h (file contents):
Revision 1.26 by root, Sat Nov 3 19:41:55 2007 UTC vs.
Revision 1.27 by root, Sat Nov 3 21:58:51 2007 UTC

41# define EV_MINPRI -2 41# define EV_MINPRI -2
42#endif 42#endif
43#ifndef EV_MAXPRI 43#ifndef EV_MAXPRI
44# define EV_MAXPRI +2 44# define EV_MAXPRI +2
45#endif 45#endif
46
47#define EV_P void
48#define EV_P_
49#define EV_A
50#define EV_A_
46 51
47/* eventmask, revents, events... */ 52/* eventmask, revents, events... */
48#define EV_UNDEF -1 /* guaranteed to be invalid */ 53#define EV_UNDEF -1 /* guaranteed to be invalid */
49#define EV_NONE 0x00 54#define EV_NONE 0x00
50#define EV_READ 0x01 55#define EV_READ 0x01
80#define EV_WATCHER(type) \ 85#define EV_WATCHER(type) \
81 int active; /* private */ \ 86 int active; /* private */ \
82 int pending; /* private */ \ 87 int pending; /* private */ \
83 int priority; /* ro */ \ 88 int priority; /* ro */ \
84 EV_COMMON; /* rw */ \ 89 EV_COMMON; /* rw */ \
85 void (*cb)(struct type *, int revents); /* rw */ /* gets invoked with an eventmask */ 90 void (*cb)(EV_P_ struct type *, int revents); /* rw */ /* gets invoked with an eventmask */
86 91
87#define EV_WATCHER_LIST(type) \ 92#define EV_WATCHER_LIST(type) \
88 EV_WATCHER (type); \ 93 EV_WATCHER (type); \
89 struct ev_watcher_list *next /* private */ 94 struct ev_watcher_list *next /* private */
90 95
185#define EVMETHOD_KQUEUE 8 190#define EVMETHOD_KQUEUE 8
186#define EVMETHOD_DEVPOLL 16 /* NYI */ 191#define EVMETHOD_DEVPOLL 16 /* NYI */
187#define EVMETHOD_PORT 32 /* NYI */ 192#define EVMETHOD_PORT 32 /* NYI */
188#define EVMETHOD_ANY ~0 /* any method, do not consult env */ 193#define EVMETHOD_ANY ~0 /* any method, do not consult env */
189#if EV_PROTOTYPES 194#if EV_PROTOTYPES
190extern int ev_method; 195int ev_method (EV_P);
191int ev_init (int methods); /* returns ev_method */ 196int ev_init (EV_P_ int methods); /* returns ev_method */
192int ev_version_major (void); 197int ev_version_major (void);
193int ev_version_minor (void); 198int ev_version_minor (void);
194 199
195/* these three calls are suitable for plugging into pthread_atfork */ 200/* these three calls are suitable for plugging into pthread_atfork */
196void ev_fork_prepare (void); 201void ev_fork_prepare (void);
197void ev_fork_parent (void); 202void ev_fork_parent (void);
198void ev_fork_child (void); 203void ev_fork_child (void);
199 204
200extern ev_tstamp ev_now; /* time w.r.t. timers and the eventloop, updated after each poll */
201ev_tstamp ev_time (void); 205ev_tstamp ev_time (void);
202#endif 206#endif
203 207
204#define EVLOOP_NONBLOCK 1 /* do not block/wait */ 208#define EVLOOP_NONBLOCK 1 /* do not block/wait */
205#define EVLOOP_ONESHOT 2 /* block *once* only */ 209#define EVLOOP_ONESHOT 2 /* block *once* only */
206#if EV_PROTOTYPES 210#if EV_PROTOTYPES
207void ev_loop (int flags); 211void ev_loop (EV_P_ int flags);
208extern int ev_loop_done; /* set to 1 to break out of event loop, set to 2 to break out of all event loops */ 212void ev_unloop (EV_P_ int status); /* set to 1 to break out of event loop, set to 2 to break out of all event loops */
213
214ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */
215
216/*
217 * ref/unref can be used to add or remove a refcount on the mainloop. every watcher
218 * keeps one reference. if you have a long-runing watcher you never unregister that
219 * should not keep ev_loop from running, unref() after starting, and ref() before stopping.
220 */
221void ev_ref (EV_P);
222void ev_unref (EV_P);
209 223
210/* convinience function, wait for a single event, without registering an event watcher */ 224/* convinience function, wait for a single event, without registering an event watcher */
211/* if timeout is < 0, do wait indefinitely */ 225/* if timeout is < 0, do wait indefinitely */
212void ev_once (int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); 226void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg);
213#endif 227#endif
214 228
215/* these may evaluate ev multiple times, and the other arguments at most once */ 229/* these may evaluate ev multiple times, and the other arguments at most once */
216/* either use ev_watcher_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ 230/* either use ev_watcher_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */
217#define ev_watcher_init(ev,cb_) do { (ev)->active = (ev)->pending = (ev)->priority = 0; (ev)->cb = (cb_); } while (0) 231#define ev_watcher_init(ev,cb_) do { (ev)->active = (ev)->pending = (ev)->priority = 0; (ev)->cb = (cb_); } while (0)
238#define ev_set_priority(ev,pri) (ev)->priority = pri 252#define ev_set_priority(ev,pri) (ev)->priority = pri
239 253
240/* stopping (enabling, adding) a watcher does nothing if it is already running */ 254/* stopping (enabling, adding) a watcher does nothing if it is already running */
241/* stopping (disabling, deleting) a watcher does nothing unless its already running */ 255/* stopping (disabling, deleting) a watcher does nothing unless its already running */
242#if EV_PROTOTYPES 256#if EV_PROTOTYPES
243void ev_io_start (struct ev_io *w); 257void ev_io_start (EV_P_ struct ev_io *w);
244void ev_io_stop (struct ev_io *w); 258void ev_io_stop (EV_P_ struct ev_io *w);
245 259
246void ev_timer_start (struct ev_timer *w); 260void ev_timer_start (EV_P_ struct ev_timer *w);
247void ev_timer_stop (struct ev_timer *w); 261void ev_timer_stop (EV_P_ struct ev_timer *w);
248void ev_timer_again (struct ev_timer *w); /* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ 262void ev_timer_again (EV_P_ struct ev_timer *w); /* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */
249 263
250void ev_periodic_start (struct ev_periodic *w); 264void ev_periodic_start (EV_P_ struct ev_periodic *w);
251void ev_periodic_stop (struct ev_periodic *w); 265void ev_periodic_stop (EV_P_ struct ev_periodic *w);
252 266
253void ev_signal_start (struct ev_signal *w); 267void ev_signal_start (EV_P_ struct ev_signal *w);
254void ev_signal_stop (struct ev_signal *w); 268void ev_signal_stop (EV_P_ struct ev_signal *w);
255 269
256void ev_idle_start (struct ev_idle *w); 270void ev_idle_start (EV_P_ struct ev_idle *w);
257void ev_idle_stop (struct ev_idle *w); 271void ev_idle_stop (EV_P_ struct ev_idle *w);
258 272
259void ev_prepare_start (struct ev_prepare *w); 273void ev_prepare_start (EV_P_ struct ev_prepare *w);
260void ev_prepare_stop (struct ev_prepare *w); 274void ev_prepare_stop (EV_P_ struct ev_prepare *w);
261 275
262void ev_check_start (struct ev_check *w); 276void ev_check_start (EV_P_ struct ev_check *w);
263void ev_check_stop (struct ev_check *w); 277void ev_check_stop (EV_P_ struct ev_check *w);
264 278
265void ev_child_start (struct ev_child *w); 279void ev_child_start (EV_P_ struct ev_child *w);
266void ev_child_stop (struct ev_child *w); 280void ev_child_stop (EV_P_ struct ev_child *w);
267#endif 281#endif
268 282
269#ifdef __cplusplus 283#ifdef __cplusplus
270} 284}
271#endif 285#endif

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines