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Comparing libev/ev.h (file contents):
Revision 1.23 by root, Fri Nov 2 22:03:00 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 type *next /* private */ 94 struct ev_watcher_list *next /* private */
90 95
91#define EV_WATCHER_TIME(type) \ 96#define EV_WATCHER_TIME(type) \
92 EV_WATCHER (type); \ 97 EV_WATCHER (type); \
93 ev_tstamp at /* private */ 98 ev_tstamp at /* private */
94 99
166 EV_WATCHER (ev_check); 171 EV_WATCHER (ev_check);
167}; 172};
168 173
169/* invoked when sigchld is received and waitpid indicates the givne pid */ 174/* invoked when sigchld is received and waitpid indicates the givne pid */
170/* revent EV_CHILD */ 175/* revent EV_CHILD */
176/* does not support priorities */
171struct ev_child 177struct ev_child
172{ 178{
173 EV_WATCHER_LIST (ev_child); 179 EV_WATCHER_LIST (ev_child);
174 180
175 int pid; /* ro */ 181 int pid; /* ro */
182 int rpid; /* rw, holds the received pid */
176 int status; /* rw, holds the exit status, use the macros from sys/wait.h */ 183 int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */
177}; 184};
178 185
179#define EVMETHOD_AUTO 0 /* consults environment */ 186#define EVMETHOD_AUTO 0 /* consults environment */
180#define EVMETHOD_SELECT 1 187#define EVMETHOD_SELECT 1
181#define EVMETHOD_POLL 2 188#define EVMETHOD_POLL 2
183#define EVMETHOD_KQUEUE 8 190#define EVMETHOD_KQUEUE 8
184#define EVMETHOD_DEVPOLL 16 /* NYI */ 191#define EVMETHOD_DEVPOLL 16 /* NYI */
185#define EVMETHOD_PORT 32 /* NYI */ 192#define EVMETHOD_PORT 32 /* NYI */
186#define EVMETHOD_ANY ~0 /* any method, do not consult env */ 193#define EVMETHOD_ANY ~0 /* any method, do not consult env */
187#if EV_PROTOTYPES 194#if EV_PROTOTYPES
188extern int ev_method; 195int ev_method (EV_P);
189int ev_init (int methods); /* returns ev_method */ 196int ev_init (EV_P_ int methods); /* returns ev_method */
190int ev_version_major (void); 197int ev_version_major (void);
191int ev_version_minor (void); 198int ev_version_minor (void);
192 199
193/* these three calls are suitable for plugging into pthread_atfork */ 200/* these three calls are suitable for plugging into pthread_atfork */
194void ev_fork_prepare (void); 201void ev_fork_prepare (void);
195void ev_fork_parent (void); 202void ev_fork_parent (void);
196void ev_fork_child (void); 203void ev_fork_child (void);
197 204
198extern ev_tstamp ev_now; /* time w.r.t. timers and the eventloop, updated after each poll */
199ev_tstamp ev_time (void); 205ev_tstamp ev_time (void);
200#endif 206#endif
201 207
202#define EVLOOP_NONBLOCK 1 /* do not block/wait */ 208#define EVLOOP_NONBLOCK 1 /* do not block/wait */
203#define EVLOOP_ONESHOT 2 /* block *once* only */ 209#define EVLOOP_ONESHOT 2 /* block *once* only */
204#if EV_PROTOTYPES 210#if EV_PROTOTYPES
205void ev_loop (int flags); 211void ev_loop (EV_P_ int flags);
206extern 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);
207 223
208/* 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 */
209/* if timeout is < 0, do wait indefinitely */ 225/* if timeout is < 0, do wait indefinitely */
210void 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);
211#endif 227#endif
212 228
213/* 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 */
214/* 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 */
215#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)
236#define ev_set_priority(ev,pri) (ev)->priority = pri 252#define ev_set_priority(ev,pri) (ev)->priority = pri
237 253
238/* 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 */
239/* stopping (disabling, deleting) a watcher does nothing unless its already running */ 255/* stopping (disabling, deleting) a watcher does nothing unless its already running */
240#if EV_PROTOTYPES 256#if EV_PROTOTYPES
241void ev_io_start (struct ev_io *w); 257void ev_io_start (EV_P_ struct ev_io *w);
242void ev_io_stop (struct ev_io *w); 258void ev_io_stop (EV_P_ struct ev_io *w);
243 259
244void ev_timer_start (struct ev_timer *w); 260void ev_timer_start (EV_P_ struct ev_timer *w);
245void ev_timer_stop (struct ev_timer *w); 261void ev_timer_stop (EV_P_ struct ev_timer *w);
246void 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 */
247 263
248void ev_periodic_start (struct ev_periodic *w); 264void ev_periodic_start (EV_P_ struct ev_periodic *w);
249void ev_periodic_stop (struct ev_periodic *w); 265void ev_periodic_stop (EV_P_ struct ev_periodic *w);
250 266
251void ev_signal_start (struct ev_signal *w); 267void ev_signal_start (EV_P_ struct ev_signal *w);
252void ev_signal_stop (struct ev_signal *w); 268void ev_signal_stop (EV_P_ struct ev_signal *w);
253 269
254void ev_idle_start (struct ev_idle *w); 270void ev_idle_start (EV_P_ struct ev_idle *w);
255void ev_idle_stop (struct ev_idle *w); 271void ev_idle_stop (EV_P_ struct ev_idle *w);
256 272
257void ev_prepare_start (struct ev_prepare *w); 273void ev_prepare_start (EV_P_ struct ev_prepare *w);
258void ev_prepare_stop (struct ev_prepare *w); 274void ev_prepare_stop (EV_P_ struct ev_prepare *w);
259 275
260void ev_check_start (struct ev_check *w); 276void ev_check_start (EV_P_ struct ev_check *w);
261void ev_check_stop (struct ev_check *w); 277void ev_check_stop (EV_P_ struct ev_check *w);
262 278
263void ev_child_start (struct ev_child *w); 279void ev_child_start (EV_P_ struct ev_child *w);
264void ev_child_stop (struct ev_child *w); 280void ev_child_stop (EV_P_ struct ev_child *w);
265#endif 281#endif
266 282
267#ifdef __cplusplus 283#ifdef __cplusplus
268} 284}
269#endif 285#endif

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