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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 1.24 by root, Sat Nov 3 09:19:58 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); \
… …
157/* revent EV_CHILD */ 170/* revent EV_CHILD */
158struct ev_child 171struct ev_child
159{ 172{
160 EV_WATCHER_LIST (ev_child); 173 EV_WATCHER_LIST (ev_child);
161 174
162 int pid; /* ro */ 175 int pid; /* ro */
176 int rpid; /* rw, holds the received pid */
163 int status; /* rw, holds the exit status, use the macros from sys/wait.h */ 177 int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */
164}; 178};
165 179
166#define EVMETHOD_NONE 0 180#define EVMETHOD_AUTO 0 /* consults environment */
167#define EVMETHOD_SELECT 1 181#define EVMETHOD_SELECT 1
168#define EVMETHOD_EPOLL 2 182#define EVMETHOD_POLL 2
183#define EVMETHOD_EPOLL 4
184#define EVMETHOD_KQUEUE 8
185#define EVMETHOD_DEVPOLL 16 /* NYI */
186#define EVMETHOD_PORT 32 /* NYI */
187#define EVMETHOD_ANY ~0 /* any method, do not consult env */
169#if EV_PROTOTYPES 188#if EV_PROTOTYPES
170extern int ev_method; 189extern int ev_method;
171int ev_init (int flags); /* returns ev_method */ 190int ev_init (int methods); /* returns ev_method */
172int ev_version_major (void); 191int ev_version_major (void);
173int ev_version_minor (void); 192int ev_version_minor (void);
174 193
175/* these three calls are suitable for plugging into pthread_atfork */ 194/* these three calls are suitable for plugging into pthread_atfork */
176void ev_prefork (void); 195void ev_fork_prepare (void);
177void ev_postfork_parent (void); 196void ev_fork_parent (void);
178void ev_postfork_child (void); 197void ev_fork_child (void);
179 198
180extern ev_tstamp ev_now; /* time w.r.t. timers and the eventloop, updated after each poll */ 199extern ev_tstamp ev_now; /* time w.r.t. timers and the eventloop, updated after each poll */
181ev_tstamp ev_time (void); 200ev_tstamp ev_time (void);
182#endif 201#endif
183 202
… …
192void ev_once (int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); 211void ev_once (int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg);
193#endif 212#endif
194 213
195/* these may evaluate ev multiple times, and the other arguments at most once */ 214/* 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 */ 215/* 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) 216#define ev_watcher_init(ev,cb_) do { (ev)->active = (ev)->pending = (ev)->priority = 0; (ev)->cb = (cb_); } while (0)
198 217
199#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0) 218#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) 219#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) 220#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) 221#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) 231#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) 232#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) 233#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) 234#define ev_child_init(ev,cb,pid) do { ev_watcher_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0)
216 235
217#define ev_is_active(ev) (0 + (ev)->active) /* true when the watcher has been started */ 236#define ev_is_active(ev) (0 + (ev)->active) /* true when the watcher has been started */
237#define ev_set_priority(ev,pri) (ev)->priority = pri
218 238
219/* stopping (enabling, adding) a watcher does nothing if it is already running */ 239/* stopping (enabling, adding) a watcher does nothing if it is already running */
220/* stopping (disabling, deleting) a watcher does nothing unless its already running */ 240/* stopping (disabling, deleting) a watcher does nothing unless its already running */
221#if EV_PROTOTYPES 241#if EV_PROTOTYPES
222void ev_io_start (struct ev_io *w); 242void ev_io_start (struct ev_io *w);
… …
243 263
244void ev_child_start (struct ev_child *w); 264void ev_child_start (struct ev_child *w);
245void ev_child_stop (struct ev_child *w); 265void ev_child_stop (struct ev_child *w);
246#endif 266#endif
247 267
268#ifdef __cplusplus
269}
248#endif 270#endif
249 271
272#endif
273

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