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Comparing libev/ev.h (file contents):
Revision 1.29 by root, Sun Nov 4 00:24:17 2007 UTC vs.
Revision 1.39 by root, Tue Nov 6 18:49:32 2007 UTC

… …
96 96
97/* shared by all watchers */ 97/* shared by all watchers */
98#define EV_WATCHER(type) \ 98#define EV_WATCHER(type) \
99 int active; /* private */ \ 99 int active; /* private */ \
100 int pending; /* private */ \ 100 int pending; /* private */ \
101 int priority; /* ro */ \ 101 int priority; /* private */ \
102 EV_COMMON; /* rw */ \ 102 EV_COMMON; /* rw */ \
103 void (*cb)(EV_P_ struct type *, int revents); /* rw */ /* gets invoked with an eventmask */ 103 void (*cb)(EV_P_ struct type *, int revents) /* private */ /* gets invoked with an eventmask */
104 104
105#define EV_WATCHER_LIST(type) \ 105#define EV_WATCHER_LIST(type) \
106 EV_WATCHER (type); \ 106 EV_WATCHER (type); \
107 struct ev_watcher_list *next /* private */ 107 struct ev_watcher_list *next /* private */
108 108
… …
156/* invoked when the given signal has been received */ 156/* invoked when the given signal has been received */
157/* revent EV_SIGNAL */ 157/* revent EV_SIGNAL */
158struct ev_signal 158struct ev_signal
159{ 159{
160 EV_WATCHER_LIST (ev_signal); 160 EV_WATCHER_LIST (ev_signal);
161#if EV_MULTIPLICITY
162 struct ev_loop *loop;
163#endif
164 161
165 int signum; /* ro */ 162 int signum; /* ro */
166}; 163};
167 164
168/* invoked when the nothing else needs to be done, keeps the process from blocking */ 165/* invoked when the nothing else needs to be done, keeps the process from blocking */
… …
195 EV_WATCHER_LIST (ev_child); 192 EV_WATCHER_LIST (ev_child);
196 193
197 int pid; /* ro */ 194 int pid; /* ro */
198 int rpid; /* rw, holds the received pid */ 195 int rpid; /* rw, holds the received pid */
199 int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */ 196 int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */
197};
198
199union ev_any_watcher
200{
201 struct ev_watcher w;
202 struct ev_watcher_list wl;
203 struct ev_io io;
204 struct ev_timer timer;
205 struct ev_periodic periodic;
206 struct ev_signal signal;
207 struct ev_idle idle;
208 struct ev_child child;
209 struct ev_prepare prepare;
210 struct ev_check check;
200}; 211};
201 212
202#define EVMETHOD_AUTO 0 /* consults environment */ 213#define EVMETHOD_AUTO 0 /* consults environment */
203#define EVMETHOD_SELECT 1 214#define EVMETHOD_SELECT 1
204#define EVMETHOD_POLL 2 215#define EVMETHOD_POLL 2
205#define EVMETHOD_EPOLL 4 216#define EVMETHOD_EPOLL 4
206#define EVMETHOD_KQUEUE 8 217#define EVMETHOD_KQUEUE 8
207#define EVMETHOD_DEVPOLL 16 /* NYI */ 218#define EVMETHOD_DEVPOLL 16 /* NYI */
208#define EVMETHOD_PORT 32 /* NYI */ 219#define EVMETHOD_PORT 32 /* NYI */
220#define EVMETHOD_WIN32 64 /* NYI */
209#define EVMETHOD_ANY ~0 /* any method, do not consult env */ 221#define EVMETHOD_ANY ~0 /* any method, do not consult env */
210 222
211#if EV_PROTOTYPES 223#if EV_PROTOTYPES
212int ev_version_major (void); 224int ev_version_major (void);
213int ev_version_minor (void); 225int ev_version_minor (void);
214 226
215/* these three calls are suitable for plugging into pthread_atfork */
216void ev_fork_prepare (void);
217void ev_fork_parent (void);
218void ev_fork_child (void);
219
220ev_tstamp ev_time (void); 227ev_tstamp ev_time (void);
221 228
229/* Sets the allocation function to use, works like realloc.
230 * It is used to allocate and free memory.
231 * If it returns zero when memory needs to be allocated, the library might abort
232 * or take some potentially destructive action.
233 * The default is your system realloc function.
234 */
235void ev_set_allocator (void *(*cb)(void *ptr, long size));
236
237/* set the callback function to call on a
238 * retryable syscall error
239 * (such as failed select, poll, epoll_wait)
240 */
241void ev_set_syserr_cb (void (*cb)(const char *msg));
242
222# if EV_MULTIPLICITY 243# if EV_MULTIPLICITY
244/* the default loop is the only one that handles signals and child watchers */
245/* you can call this as often as you like */
246struct ev_loop *ev_default_loop (int methods); /* returns default loop */
247
248/* create and destroy alternative loops that don't handle signals */
223struct ev_loop *ev_loop_new (int methods); 249struct ev_loop *ev_loop_new (int methods);
224void ev_loop_delete (EV_P); 250void ev_loop_destroy (EV_P);
251void ev_loop_fork (EV_P);
225# else 252# else
226int ev_init (int methods); /* returns ev_method */ 253int ev_default_loop (int methods); /* returns true when successful */
227# endif 254# endif
228 255
256void ev_default_destroy (void); /* destroy the default loop */
257/* this needs to be called after fork, to duplicate the default loop */
258/* if you create alternative loops you have to call ev_loop_fork on them */
259/* you can call it in either the parent or the child */
260/* you can actually call it at any time, anywhere :) */
261void ev_default_fork (void);
262
229int ev_method (EV_P); 263int ev_method (EV_P);
230
231#endif 264#endif
232 265
233#define EVLOOP_NONBLOCK 1 /* do not block/wait */ 266#define EVLOOP_NONBLOCK 1 /* do not block/wait */
234#define EVLOOP_ONESHOT 2 /* block *once* only */ 267#define EVLOOP_ONESHOT 2 /* block *once* only */
235#define EVUNLOOP_ONCE 1 /* unloop once */ 268#define EVUNLOOP_ONCE 1 /* unloop once */
… …
254void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); 287void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg);
255#endif 288#endif
256 289
257/* these may evaluate ev multiple times, and the other arguments at most once */ 290/* these may evaluate ev multiple times, and the other arguments at most once */
258/* either use ev_watcher_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ 291/* either use ev_watcher_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */
259#define ev_watcher_init(ev,cb_) do { (ev)->active = (ev)->pending = (ev)->priority = 0; (ev)->cb = (cb_); } while (0) 292#define ev_watcher_init(ev,cb_) do { \
293 ((struct ev_watcher *)(void *)(ev))->active = \
294 ((struct ev_watcher *)(void *)(ev))->pending = \
295 ((struct ev_watcher *)(void *)(ev))->priority = 0; \
296 (ev)->cb = (cb_); \
297} while (0)
260 298
261#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0) 299#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0)
262#define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0) 300#define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0)
263#define ev_periodic_set(ev,at_,interval_) do { (ev)->at = (at_); (ev)->interval = (interval_); } while (0) 301#define ev_periodic_set(ev,at_,interval_) do { (ev)->at = (at_); (ev)->interval = (interval_); } while (0)
264#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) 302#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)
… …
274#define ev_idle_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) 312#define ev_idle_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)
275#define ev_prepare_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) 313#define ev_prepare_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
276#define ev_check_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_check_set ((ev)); } while (0) 314#define ev_check_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_check_set ((ev)); } while (0)
277#define ev_child_init(ev,cb,pid) do { ev_watcher_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0) 315#define ev_child_init(ev,cb,pid) do { ev_watcher_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0)
278 316
317#define ev_is_pending(ev) (0 + ((struct ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */
279#define ev_is_active(ev) (0 + (ev)->active) /* true when the watcher has been started */ 318#define ev_is_active(ev) (0 + ((struct ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */
319
320#define ev_priority(ev) ((struct ev_watcher *)(void *)(ev))->priority /* rw */
321#define ev_cb(ev) (ev)->cb /* rw */
280#define ev_set_priority(ev,pri) (ev)->priority = pri 322#define ev_set_priority(ev,pri) ev_priority (ev) = (pri)
323#define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_)
281 324
282/* stopping (enabling, adding) a watcher does nothing if it is already running */ 325/* stopping (enabling, adding) a watcher does nothing if it is already running */
283/* stopping (disabling, deleting) a watcher does nothing unless its already running */ 326/* stopping (disabling, deleting) a watcher does nothing unless its already running */
284#if EV_PROTOTYPES 327#if EV_PROTOTYPES
285void ev_io_start (EV_P_ struct ev_io *w); 328void ev_io_start (EV_P_ struct ev_io *w);
286void ev_io_stop (EV_P_ struct ev_io *w); 329void ev_io_stop (EV_P_ struct ev_io *w);
287 330
288void ev_timer_start (EV_P_ struct ev_timer *w); 331void ev_timer_start (EV_P_ struct ev_timer *w);
289void ev_timer_stop (EV_P_ struct ev_timer *w); 332void ev_timer_stop (EV_P_ struct ev_timer *w);
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 */ 333/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */
334void ev_timer_again (EV_P_ struct ev_timer *w);
291 335
292void ev_periodic_start (EV_P_ struct ev_periodic *w); 336void ev_periodic_start (EV_P_ struct ev_periodic *w);
293void ev_periodic_stop (EV_P_ struct ev_periodic *w); 337void ev_periodic_stop (EV_P_ struct ev_periodic *w);
294 338
339void ev_idle_start (EV_P_ struct ev_idle *w);
340void ev_idle_stop (EV_P_ struct ev_idle *w);
341
342void ev_prepare_start (EV_P_ struct ev_prepare *w);
343void ev_prepare_stop (EV_P_ struct ev_prepare *w);
344
345void ev_check_start (EV_P_ struct ev_check *w);
346void ev_check_stop (EV_P_ struct ev_check *w);
347
348/* only supported in the default loop */
295void ev_signal_start (EV_P_ struct ev_signal *w); 349void ev_signal_start (EV_P_ struct ev_signal *w);
296void ev_signal_stop (EV_P_ struct ev_signal *w); 350void ev_signal_stop (EV_P_ struct ev_signal *w);
297 351
298void ev_idle_start (EV_P_ struct ev_idle *w); 352/* only supported in the default loop */
299void ev_idle_stop (EV_P_ struct ev_idle *w);
300
301void ev_prepare_start (EV_P_ struct ev_prepare *w);
302void ev_prepare_stop (EV_P_ struct ev_prepare *w);
303
304void ev_check_start (EV_P_ struct ev_check *w);
305void ev_check_stop (EV_P_ struct ev_check *w);
306
307void ev_child_start (EV_P_ struct ev_child *w); 353void ev_child_start (EV_P_ struct ev_child *w);
308void ev_child_stop (EV_P_ struct ev_child *w); 354void ev_child_stop (EV_P_ struct ev_child *w);
309#endif 355#endif
310 356
311#ifdef __cplusplus 357#ifdef __cplusplus

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