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Comparing libev/ev.h (file contents):
Revision 1.19 by root, Thu Nov 1 13:11:12 2007 UTC vs.
Revision 1.28 by root, Sat Nov 3 22:10:39 2007 UTC

… …
33#ifdef __cplusplus 33#ifdef __cplusplus
34extern "C" { 34extern "C" {
35#endif 35#endif
36 36
37typedef 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
46
47/* support multiple event loops? */
48#ifdef EV_MULTIPLICITY
49struct ev_loop;
50# define EV_P struct ev_loop *loop
51# define EV_P_ EV_P,
52# define EV_A loop
53# define EV_A_ EV_A,
54#else
55# define EV_P void
56# define EV_P_
57# define EV_A
58# define EV_A_
59
60#endif
38 61
39/* eventmask, revents, events... */ 62/* eventmask, revents, events... */
40#define EV_UNDEF -1 /* guaranteed to be invalid */ 63#define EV_UNDEF -1 /* guaranteed to be invalid */
41#define EV_NONE 0x00 64#define EV_NONE 0x00
42#define EV_READ 0x01 65#define EV_READ 0x01
… …
70 93
71/* shared by all watchers */ 94/* shared by all watchers */
72#define EV_WATCHER(type) \ 95#define EV_WATCHER(type) \
73 int active; /* private */ \ 96 int active; /* private */ \
74 int pending; /* private */ \ 97 int pending; /* private */ \
98 int priority; /* ro */ \
75 EV_COMMON; /* rw */ \ 99 EV_COMMON; /* rw */ \
76 void (*cb)(struct type *, int revents); /* rw */ /* gets invoked with an eventmask */ 100 void (*cb)(EV_P_ struct type *, int revents); /* rw */ /* gets invoked with an eventmask */
77 101
78#define EV_WATCHER_LIST(type) \ 102#define EV_WATCHER_LIST(type) \
79 EV_WATCHER (type); \ 103 EV_WATCHER (type); \
80 struct type *next /* private */ 104 struct ev_watcher_list *next /* private */
81 105
82#define EV_WATCHER_TIME(type) \ 106#define EV_WATCHER_TIME(type) \
83 EV_WATCHER (type); \ 107 EV_WATCHER (type); \
84 ev_tstamp at /* private */ 108 ev_tstamp at /* private */
85 109
… …
157 EV_WATCHER (ev_check); 181 EV_WATCHER (ev_check);
158}; 182};
159 183
160/* invoked when sigchld is received and waitpid indicates the givne pid */ 184/* invoked when sigchld is received and waitpid indicates the givne pid */
161/* revent EV_CHILD */ 185/* revent EV_CHILD */
186/* does not support priorities */
162struct ev_child 187struct ev_child
163{ 188{
164 EV_WATCHER_LIST (ev_child); 189 EV_WATCHER_LIST (ev_child);
165 190
166 int pid; /* ro */ 191 int pid; /* ro */
192 int rpid; /* rw, holds the received pid */
167 int status; /* rw, holds the exit status, use the macros from sys/wait.h */ 193 int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */
168}; 194};
169 195
170#define EVMETHOD_NONE 0 196#define EVMETHOD_AUTO 0 /* consults environment */
171#define EVMETHOD_SELECT 1 197#define EVMETHOD_SELECT 1
172#define EVMETHOD_EPOLL 2 198#define EVMETHOD_POLL 2
199#define EVMETHOD_EPOLL 4
200#define EVMETHOD_KQUEUE 8
201#define EVMETHOD_DEVPOLL 16 /* NYI */
202#define EVMETHOD_PORT 32 /* NYI */
203#define EVMETHOD_ANY ~0 /* any method, do not consult env */
173#if EV_PROTOTYPES 204#if EV_PROTOTYPES
174extern int ev_method; 205int ev_method (EV_P);
175int ev_init (int flags); /* returns ev_method */ 206int ev_init (EV_P_ int methods); /* returns ev_method */
176int ev_version_major (void); 207int ev_version_major (void);
177int ev_version_minor (void); 208int ev_version_minor (void);
178 209
179/* these three calls are suitable for plugging into pthread_atfork */ 210/* these three calls are suitable for plugging into pthread_atfork */
180void ev_fork_prepare (void); 211void ev_fork_prepare (void);
181void ev_fork_parent (void); 212void ev_fork_parent (void);
182void ev_fork_child (void); 213void ev_fork_child (void);
183 214
184extern ev_tstamp ev_now; /* time w.r.t. timers and the eventloop, updated after each poll */
185ev_tstamp ev_time (void); 215ev_tstamp ev_time (void);
186#endif 216#endif
187 217
188#define EVLOOP_NONBLOCK 1 /* do not block/wait */ 218#define EVLOOP_NONBLOCK 1 /* do not block/wait */
189#define EVLOOP_ONESHOT 2 /* block *once* only */ 219#define EVLOOP_ONESHOT 2 /* block *once* only */
190#if EV_PROTOTYPES 220#if EV_PROTOTYPES
191void ev_loop (int flags); 221void ev_loop (EV_P_ int flags);
192extern int ev_loop_done; /* set to 1 to break out of event loop, set to 2 to break out of all event loops */ 222void 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 */
223
224ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */
225
226/*
227 * ref/unref can be used to add or remove a refcount on the mainloop. every watcher
228 * keeps one reference. if you have a long-runing watcher you never unregister that
229 * should not keep ev_loop from running, unref() after starting, and ref() before stopping.
230 */
231void ev_ref (EV_P);
232void ev_unref (EV_P);
193 233
194/* convinience function, wait for a single event, without registering an event watcher */ 234/* convinience function, wait for a single event, without registering an event watcher */
195/* if timeout is < 0, do wait indefinitely */ 235/* if timeout is < 0, do wait indefinitely */
196void ev_once (int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); 236void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg);
197#endif 237#endif
198 238
199/* these may evaluate ev multiple times, and the other arguments at most once */ 239/* these may evaluate ev multiple times, and the other arguments at most once */
200/* either use ev_watcher_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ 240/* either use ev_watcher_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */
201#define ev_watcher_init(ev,cb_) do { (ev)->active = 0; (ev)->pending = 0; (ev)->cb = (cb_); } while (0) 241#define ev_watcher_init(ev,cb_) do { (ev)->active = (ev)->pending = (ev)->priority = 0; (ev)->cb = (cb_); } while (0)
202 242
203#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0) 243#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0)
204#define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0) 244#define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0)
205#define ev_periodic_set(ev,at_,interval_) do { (ev)->at = (at_); (ev)->interval = (interval_); } while (0) 245#define ev_periodic_set(ev,at_,interval_) do { (ev)->at = (at_); (ev)->interval = (interval_); } while (0)
206#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) 246#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)
… …
216#define ev_idle_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) 256#define ev_idle_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)
217#define ev_prepare_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) 257#define ev_prepare_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
218#define ev_check_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_check_set ((ev)); } while (0) 258#define ev_check_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_check_set ((ev)); } while (0)
219#define ev_child_init(ev,cb,pid) do { ev_watcher_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0) 259#define ev_child_init(ev,cb,pid) do { ev_watcher_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0)
220 260
221#define ev_is_active(ev) (0 + (ev)->active) /* true when the watcher has been started */ 261#define ev_is_active(ev) (0 + (ev)->active) /* true when the watcher has been started */
262#define ev_set_priority(ev,pri) (ev)->priority = pri
222 263
223/* stopping (enabling, adding) a watcher does nothing if it is already running */ 264/* stopping (enabling, adding) a watcher does nothing if it is already running */
224/* stopping (disabling, deleting) a watcher does nothing unless its already running */ 265/* stopping (disabling, deleting) a watcher does nothing unless its already running */
225#if EV_PROTOTYPES 266#if EV_PROTOTYPES
226void ev_io_start (struct ev_io *w); 267void ev_io_start (EV_P_ struct ev_io *w);
227void ev_io_stop (struct ev_io *w); 268void ev_io_stop (EV_P_ struct ev_io *w);
228 269
229void ev_timer_start (struct ev_timer *w); 270void ev_timer_start (EV_P_ struct ev_timer *w);
230void ev_timer_stop (struct ev_timer *w); 271void ev_timer_stop (EV_P_ struct ev_timer *w);
231void ev_timer_again (struct ev_timer *w); /* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ 272void 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 */
232 273
233void ev_periodic_start (struct ev_periodic *w); 274void ev_periodic_start (EV_P_ struct ev_periodic *w);
234void ev_periodic_stop (struct ev_periodic *w); 275void ev_periodic_stop (EV_P_ struct ev_periodic *w);
235 276
236void ev_signal_start (struct ev_signal *w); 277void ev_signal_start (EV_P_ struct ev_signal *w);
237void ev_signal_stop (struct ev_signal *w); 278void ev_signal_stop (EV_P_ struct ev_signal *w);
238 279
239void ev_idle_start (struct ev_idle *w); 280void ev_idle_start (EV_P_ struct ev_idle *w);
240void ev_idle_stop (struct ev_idle *w); 281void ev_idle_stop (EV_P_ struct ev_idle *w);
241 282
242void ev_prepare_start (struct ev_prepare *w); 283void ev_prepare_start (EV_P_ struct ev_prepare *w);
243void ev_prepare_stop (struct ev_prepare *w); 284void ev_prepare_stop (EV_P_ struct ev_prepare *w);
244 285
245void ev_check_start (struct ev_check *w); 286void ev_check_start (EV_P_ struct ev_check *w);
246void ev_check_stop (struct ev_check *w); 287void ev_check_stop (EV_P_ struct ev_check *w);
247 288
248void ev_child_start (struct ev_child *w); 289void ev_child_start (EV_P_ struct ev_child *w);
249void ev_child_stop (struct ev_child *w); 290void ev_child_stop (EV_P_ struct ev_child *w);
250#endif 291#endif
251 292
252#ifdef __cplusplus 293#ifdef __cplusplus
253} 294}
254#endif 295#endif

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