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Comparing libev/ev.h (file contents):
Revision 1.17 by root, Thu Nov 1 11:11:22 2007 UTC vs.
Revision 1.21 by root, Fri Nov 2 20:05:05 2007 UTC

… …
28 */ 28 */
29 29
30#ifndef EV_H 30#ifndef EV_H
31#define EV_H 31#define EV_H
32 32
33#ifdef __cplusplus
34extern "C" {
35#endif
36
33typedef double ev_tstamp; 37typedef double ev_tstamp;
38
39/* these priorities are inclusive, higher priorities will be called earlier */
40#ifndef EV_MINPRI
41# define EV_MINPRI -2
42#endif
43#ifndef EV_MAXPRI
44# define EV_MAXPRI +2
45#endif
34 46
35/* eventmask, revents, events... */ 47/* eventmask, revents, events... */
36#define EV_UNDEF -1 /* guaranteed to be invalid */ 48#define EV_UNDEF -1 /* guaranteed to be invalid */
37#define EV_NONE 0x00 49#define EV_NONE 0x00
38#define EV_READ 0x01 50#define EV_READ 0x01
… …
66 78
67/* shared by all watchers */ 79/* shared by all watchers */
68#define EV_WATCHER(type) \ 80#define EV_WATCHER(type) \
69 int active; /* private */ \ 81 int active; /* private */ \
70 int pending; /* private */ \ 82 int pending; /* private */ \
83 int priority; /* ro */ \
71 EV_COMMON; /* rw */ \ 84 EV_COMMON; /* rw */ \
72 void (*cb)(struct type *, int revents); /* rw */ /* gets invoked with an eventmask */ 85 void (*cb)(struct type *, int revents); /* rw */ /* gets invoked with an eventmask */
73 86
74#define EV_WATCHER_LIST(type) \ 87#define EV_WATCHER_LIST(type) \
75 EV_WATCHER (type); \ 88 EV_WATCHER (type); \
… …
161 174
162 int pid; /* ro */ 175 int pid; /* ro */
163 int status; /* rw, holds the exit status, use the macros from sys/wait.h */ 176 int status; /* rw, holds the exit status, use the macros from sys/wait.h */
164}; 177};
165 178
166#define EVMETHOD_NONE 0 179#define EVMETHOD_AUTO 0 /* consults environment */
167#define EVMETHOD_SELECT 1 180#define EVMETHOD_SELECT 1
168#define EVMETHOD_EPOLL 2 181#define EVMETHOD_POLL 2
182#define EVMETHOD_EPOLL 4
183#define EVMETHOD_ANY ~0 /* any method, do not consult env */
169#if EV_PROTOTYPES 184#if EV_PROTOTYPES
170extern int ev_method; 185extern int ev_method;
171int ev_init (int flags); /* returns ev_method */ 186int ev_init (int methods); /* returns ev_method */
172int ev_version_major (void); 187int ev_version_major (void);
173int ev_version_minor (void); 188int ev_version_minor (void);
174 189
175/* these three calls are suitable for plugging into pthread_atfork */ 190/* these three calls are suitable for plugging into pthread_atfork */
176void ev_prefork (void); 191void ev_fork_prepare (void);
177void ev_postfork_parent (void); 192void ev_fork_parent (void);
178void ev_postfork_child (void); 193void ev_fork_child (void);
179 194
180extern ev_tstamp ev_now; /* time w.r.t. timers and the eventloop, updated after each poll */ 195extern ev_tstamp ev_now; /* time w.r.t. timers and the eventloop, updated after each poll */
181ev_tstamp ev_time (void); 196ev_tstamp ev_time (void);
182#endif 197#endif
183 198
… …
192void ev_once (int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); 207void ev_once (int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg);
193#endif 208#endif
194 209
195/* these may evaluate ev multiple times, and the other arguments at most once */ 210/* these may evaluate ev multiple times, and the other arguments at most once */
196/* either use ev_watcher_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ 211/* either use ev_watcher_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */
197#define ev_watcher_init(ev,cb_) do { (ev)->active = 0; (ev)->pending = 0; (ev)->cb = (cb_); } while (0) 212#define ev_watcher_init(ev,cb_) do { (ev)->active = (ev)->pending = (ev)->priority = 0; (ev)->cb = (cb_); } while (0)
198 213
199#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0) 214#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0)
200#define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0) 215#define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0)
201#define ev_periodic_set(ev,at_,interval_) do { (ev)->at = (at_); (ev)->interval = (interval_); } while (0) 216#define ev_periodic_set(ev,at_,interval_) do { (ev)->at = (at_); (ev)->interval = (interval_); } while (0)
202#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) 217#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)
… …
212#define ev_idle_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) 227#define ev_idle_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)
213#define ev_prepare_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) 228#define ev_prepare_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
214#define ev_check_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_check_set ((ev)); } while (0) 229#define ev_check_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_check_set ((ev)); } while (0)
215#define ev_child_init(ev,cb,pid) do { ev_watcher_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0) 230#define ev_child_init(ev,cb,pid) do { ev_watcher_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0)
216 231
217#define ev_is_active(ev) (0 + (ev)->active) /* true when the watcher has been started */ 232#define ev_is_active(ev) (0 + (ev)->active) /* true when the watcher has been started */
233#define ev_set_priority(ev,pri) (ev)->priority = pri
218 234
219/* stopping (enabling, adding) a watcher does nothing if it is already running */ 235/* stopping (enabling, adding) a watcher does nothing if it is already running */
220/* stopping (disabling, deleting) a watcher does nothing unless its already running */ 236/* stopping (disabling, deleting) a watcher does nothing unless its already running */
221#if EV_PROTOTYPES 237#if EV_PROTOTYPES
222void ev_io_start (struct ev_io *w); 238void ev_io_start (struct ev_io *w);
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243 259
244void ev_child_start (struct ev_child *w); 260void ev_child_start (struct ev_child *w);
245void ev_child_stop (struct ev_child *w); 261void ev_child_stop (struct ev_child *w);
246#endif 262#endif
247 263
264#ifdef __cplusplus
265}
248#endif 266#endif
249 267
268#endif
269

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