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Comparing libev/ev.h (file contents):
Revision 1.24 by root, Sat Nov 3 09:19:58 2007 UTC vs.
Revision 1.29 by root, Sun Nov 4 00:24:17 2007 UTC

… …
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 46
47#ifndef EV_MULTIPLICITY
48# define EV_MULTIPLICITY 1
49#endif
50
51/* support multiple event loops? */
52#if EV_MULTIPLICITY
53struct ev_loop;
54# define EV_P struct ev_loop *loop
55# define EV_P_ EV_P,
56# define EV_A loop
57# define EV_A_ EV_A,
58#else
59# define EV_P void
60# define EV_P_
61# define EV_A
62# define EV_A_
63#endif
64
47/* eventmask, revents, events... */ 65/* eventmask, revents, events... */
48#define EV_UNDEF -1 /* guaranteed to be invalid */ 66#define EV_UNDEF -1 /* guaranteed to be invalid */
49#define EV_NONE 0x00 67#define EV_NONE 0x00
50#define EV_READ 0x01 68#define EV_READ 0x01
51#define EV_WRITE 0x02 69#define EV_WRITE 0x02
… …
80#define EV_WATCHER(type) \ 98#define EV_WATCHER(type) \
81 int active; /* private */ \ 99 int active; /* private */ \
82 int pending; /* private */ \ 100 int pending; /* private */ \
83 int priority; /* ro */ \ 101 int priority; /* ro */ \
84 EV_COMMON; /* rw */ \ 102 EV_COMMON; /* rw */ \
85 void (*cb)(struct type *, int revents); /* rw */ /* gets invoked with an eventmask */ 103 void (*cb)(EV_P_ struct type *, int revents); /* rw */ /* gets invoked with an eventmask */
86 104
87#define EV_WATCHER_LIST(type) \ 105#define EV_WATCHER_LIST(type) \
88 EV_WATCHER (type); \ 106 EV_WATCHER (type); \
89 struct type *next /* private */ 107 struct ev_watcher_list *next /* private */
90 108
91#define EV_WATCHER_TIME(type) \ 109#define EV_WATCHER_TIME(type) \
92 EV_WATCHER (type); \ 110 EV_WATCHER (type); \
93 ev_tstamp at /* private */ 111 ev_tstamp at /* private */
94 112
… …
138/* invoked when the given signal has been received */ 156/* invoked when the given signal has been received */
139/* revent EV_SIGNAL */ 157/* revent EV_SIGNAL */
140struct ev_signal 158struct ev_signal
141{ 159{
142 EV_WATCHER_LIST (ev_signal); 160 EV_WATCHER_LIST (ev_signal);
161#if EV_MULTIPLICITY
162 struct ev_loop *loop;
163#endif
143 164
144 int signum; /* ro */ 165 int signum; /* ro */
145}; 166};
146 167
147/* invoked when the nothing else needs to be done, keeps the process from blocking */ 168/* invoked when the nothing else needs to be done, keeps the process from blocking */
… …
166 EV_WATCHER (ev_check); 187 EV_WATCHER (ev_check);
167}; 188};
168 189
169/* invoked when sigchld is received and waitpid indicates the givne pid */ 190/* invoked when sigchld is received and waitpid indicates the givne pid */
170/* revent EV_CHILD */ 191/* revent EV_CHILD */
192/* does not support priorities */
171struct ev_child 193struct ev_child
172{ 194{
173 EV_WATCHER_LIST (ev_child); 195 EV_WATCHER_LIST (ev_child);
174 196
175 int pid; /* ro */ 197 int pid; /* ro */
… …
183#define EVMETHOD_EPOLL 4 205#define EVMETHOD_EPOLL 4
184#define EVMETHOD_KQUEUE 8 206#define EVMETHOD_KQUEUE 8
185#define EVMETHOD_DEVPOLL 16 /* NYI */ 207#define EVMETHOD_DEVPOLL 16 /* NYI */
186#define EVMETHOD_PORT 32 /* NYI */ 208#define EVMETHOD_PORT 32 /* NYI */
187#define EVMETHOD_ANY ~0 /* any method, do not consult env */ 209#define EVMETHOD_ANY ~0 /* any method, do not consult env */
210
188#if EV_PROTOTYPES 211#if EV_PROTOTYPES
189extern int ev_method;
190int ev_init (int methods); /* returns ev_method */
191int ev_version_major (void); 212int ev_version_major (void);
192int ev_version_minor (void); 213int ev_version_minor (void);
193 214
194/* these three calls are suitable for plugging into pthread_atfork */ 215/* these three calls are suitable for plugging into pthread_atfork */
195void ev_fork_prepare (void); 216void ev_fork_prepare (void);
196void ev_fork_parent (void); 217void ev_fork_parent (void);
197void ev_fork_child (void); 218void ev_fork_child (void);
198 219
199extern ev_tstamp ev_now; /* time w.r.t. timers and the eventloop, updated after each poll */
200ev_tstamp ev_time (void); 220ev_tstamp ev_time (void);
221
222# if EV_MULTIPLICITY
223struct ev_loop *ev_loop_new (int methods);
224void ev_loop_delete (EV_P);
225# else
226int ev_init (int methods); /* returns ev_method */
227# endif
228
229int ev_method (EV_P);
230
201#endif 231#endif
202 232
203#define EVLOOP_NONBLOCK 1 /* do not block/wait */ 233#define EVLOOP_NONBLOCK 1 /* do not block/wait */
204#define EVLOOP_ONESHOT 2 /* block *once* only */ 234#define EVLOOP_ONESHOT 2 /* block *once* only */
235#define EVUNLOOP_ONCE 1 /* unloop once */
236#define EVUNLOOP_ALL 2 /* unloop all loops */
237
205#if EV_PROTOTYPES 238#if EV_PROTOTYPES
206void ev_loop (int flags); 239void ev_loop (EV_P_ int flags);
207extern int ev_loop_done; /* set to 1 to break out of event loop, set to 2 to break out of all event loops */ 240void ev_unloop (EV_P_ int how); /* set to 1 to break out of event loop, set to 2 to break out of all event loops */
241
242ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */
243
244/*
245 * ref/unref can be used to add or remove a refcount on the mainloop. every watcher
246 * keeps one reference. if you have a long-runing watcher you never unregister that
247 * should not keep ev_loop from running, unref() after starting, and ref() before stopping.
248 */
249void ev_ref (EV_P);
250void ev_unref (EV_P);
208 251
209/* convinience function, wait for a single event, without registering an event watcher */ 252/* convinience function, wait for a single event, without registering an event watcher */
210/* if timeout is < 0, do wait indefinitely */ 253/* if timeout is < 0, do wait indefinitely */
211void ev_once (int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); 254void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg);
212#endif 255#endif
213 256
214/* these may evaluate ev multiple times, and the other arguments at most once */ 257/* these may evaluate ev multiple times, and the other arguments at most once */
215/* either use ev_watcher_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ 258/* either use ev_watcher_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */
216#define ev_watcher_init(ev,cb_) do { (ev)->active = (ev)->pending = (ev)->priority = 0; (ev)->cb = (cb_); } while (0) 259#define ev_watcher_init(ev,cb_) do { (ev)->active = (ev)->pending = (ev)->priority = 0; (ev)->cb = (cb_); } while (0)
… …
237#define ev_set_priority(ev,pri) (ev)->priority = pri 280#define ev_set_priority(ev,pri) (ev)->priority = pri
238 281
239/* stopping (enabling, adding) a watcher does nothing if it is already running */ 282/* stopping (enabling, adding) a watcher does nothing if it is already running */
240/* stopping (disabling, deleting) a watcher does nothing unless its already running */ 283/* stopping (disabling, deleting) a watcher does nothing unless its already running */
241#if EV_PROTOTYPES 284#if EV_PROTOTYPES
242void ev_io_start (struct ev_io *w); 285void ev_io_start (EV_P_ struct ev_io *w);
243void ev_io_stop (struct ev_io *w); 286void ev_io_stop (EV_P_ struct ev_io *w);
244 287
245void ev_timer_start (struct ev_timer *w); 288void ev_timer_start (EV_P_ struct ev_timer *w);
246void ev_timer_stop (struct ev_timer *w); 289void ev_timer_stop (EV_P_ struct ev_timer *w);
247void ev_timer_again (struct ev_timer *w); /* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ 290void 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 */
248 291
249void ev_periodic_start (struct ev_periodic *w); 292void ev_periodic_start (EV_P_ struct ev_periodic *w);
250void ev_periodic_stop (struct ev_periodic *w); 293void ev_periodic_stop (EV_P_ struct ev_periodic *w);
251 294
252void ev_signal_start (struct ev_signal *w); 295void ev_signal_start (EV_P_ struct ev_signal *w);
253void ev_signal_stop (struct ev_signal *w); 296void ev_signal_stop (EV_P_ struct ev_signal *w);
254 297
255void ev_idle_start (struct ev_idle *w); 298void ev_idle_start (EV_P_ struct ev_idle *w);
256void ev_idle_stop (struct ev_idle *w); 299void ev_idle_stop (EV_P_ struct ev_idle *w);
257 300
258void ev_prepare_start (struct ev_prepare *w); 301void ev_prepare_start (EV_P_ struct ev_prepare *w);
259void ev_prepare_stop (struct ev_prepare *w); 302void ev_prepare_stop (EV_P_ struct ev_prepare *w);
260 303
261void ev_check_start (struct ev_check *w); 304void ev_check_start (EV_P_ struct ev_check *w);
262void ev_check_stop (struct ev_check *w); 305void ev_check_stop (EV_P_ struct ev_check *w);
263 306
264void ev_child_start (struct ev_child *w); 307void ev_child_start (EV_P_ struct ev_child *w);
265void ev_child_stop (struct ev_child *w); 308void ev_child_stop (EV_P_ struct ev_child *w);
266#endif 309#endif
267 310
268#ifdef __cplusplus 311#ifdef __cplusplus
269} 312}
270#endif 313#endif

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