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Comparing libev/ev.h (file contents):
Revision 1.44 by root, Fri Nov 9 20:55:09 2007 UTC vs.
Revision 1.49 by root, Sat Nov 10 21:19:30 2007 UTC

53struct ev_loop; 53struct ev_loop;
54# define EV_P struct ev_loop *loop 54# define EV_P struct ev_loop *loop
55# define EV_P_ EV_P, 55# define EV_P_ EV_P,
56# define EV_A loop 56# define EV_A loop
57# define EV_A_ EV_A, 57# define EV_A_ EV_A,
58# define EV_DEFAULT_A ev_default_loop (0)
59# define EV_DEFAULT_A_ EV_DEFAULT_A,
58#else 60#else
59# define EV_P void 61# define EV_P void
60# define EV_P_ 62# define EV_P_
61# define EV_A 63# define EV_A
62# define EV_A_ 64# define EV_A_
65# define EV_DEFAULT_A
66# define EV_DEFAULT_A_
63#endif 67#endif
64 68
65/* eventmask, revents, events... */ 69/* eventmask, revents, events... */
66#define EV_UNDEF -1 /* guaranteed to be invalid */ 70#define EV_UNDEF -1 /* guaranteed to be invalid */
67#define EV_NONE 0x00 71#define EV_NONE 0x00
86 90
87#define EV_VERSION_MAJOR 1 91#define EV_VERSION_MAJOR 1
88#define EV_VERSION_MINOR 1 92#define EV_VERSION_MINOR 1
89 93
90#ifndef EV_CB_DECLARE 94#ifndef EV_CB_DECLARE
91# define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents) 95# define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents);
92#endif 96#endif
93#ifndef EV_CB_INVOKE 97#ifndef EV_CB_INVOKE
94# define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents)) 98# define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents))
95#endif 99#endif
96 100
210/* the presence of this union forces similar struct layout */ 214/* the presence of this union forces similar struct layout */
211union ev_any_watcher 215union ev_any_watcher
212{ 216{
213 struct ev_watcher w; 217 struct ev_watcher w;
214 struct ev_watcher_list wl; 218 struct ev_watcher_list wl;
219
215 struct ev_io io; 220 struct ev_io io;
216 struct ev_timer timer; 221 struct ev_timer timer;
217 struct ev_periodic periodic; 222 struct ev_periodic periodic;
218 struct ev_signal signal;
219 struct ev_idle idle; 223 struct ev_idle idle;
220 struct ev_child child;
221 struct ev_prepare prepare; 224 struct ev_prepare prepare;
222 struct ev_check check; 225 struct ev_check check;
226 struct ev_signal signal;
227 struct ev_child child;
223}; 228};
224 229
225#define EVMETHOD_AUTO 0 /* consults environment */ 230#define EVMETHOD_AUTO 0 /* consults environment */
226#define EVMETHOD_SELECT 1 231#define EVMETHOD_SELECT 1
227#define EVMETHOD_POLL 2 232#define EVMETHOD_POLL 2
259 264
260/* create and destroy alternative loops that don't handle signals */ 265/* create and destroy alternative loops that don't handle signals */
261struct ev_loop *ev_loop_new (int methods); 266struct ev_loop *ev_loop_new (int methods);
262void ev_loop_destroy (EV_P); 267void ev_loop_destroy (EV_P);
263void ev_loop_fork (EV_P); 268void ev_loop_fork (EV_P);
269
270ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */
271
264# else 272# else
273
265int ev_default_loop (int methods); /* returns true when successful */ 274int ev_default_loop (int methods); /* returns true when successful */
275
276static ev_tstamp
277ev_now ()
278{
279 extern ev_tstamp ev_rt_now;
280
281 return ev_rt_now;
282}
266# endif 283# endif
267 284
268void ev_default_destroy (void); /* destroy the default loop */ 285void ev_default_destroy (void); /* destroy the default loop */
269/* this needs to be called after fork, to duplicate the default loop */ 286/* this needs to be called after fork, to duplicate the default loop */
270/* if you create alternative loops you have to call ev_loop_fork on them */ 287/* if you create alternative loops you have to call ev_loop_fork on them */
281#define EVUNLOOP_ALL 2 /* unloop all loops */ 298#define EVUNLOOP_ALL 2 /* unloop all loops */
282 299
283#if EV_PROTOTYPES 300#if EV_PROTOTYPES
284void ev_loop (EV_P_ int flags); 301void ev_loop (EV_P_ int flags);
285void ev_unloop (EV_P_ int how); /* set to 1 to break out of event loop, set to 2 to break out of all event loops */ 302void ev_unloop (EV_P_ int how); /* set to 1 to break out of event loop, set to 2 to break out of all event loops */
286
287ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */
288 303
289/* 304/*
290 * ref/unref can be used to add or remove a refcount on the mainloop. every watcher 305 * ref/unref can be used to add or remove a refcount on the mainloop. every watcher
291 * keeps one reference. if you have a long-runing watcher you never unregister that 306 * keeps one reference. if you have a long-runing watcher you never unregister that
292 * should not keep ev_loop from running, unref() after starting, and ref() before stopping. 307 * should not keep ev_loop from running, unref() after starting, and ref() before stopping.
298/* if timeout is < 0, do wait indefinitely */ 313/* if timeout is < 0, do wait indefinitely */
299void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); 314void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg);
300#endif 315#endif
301 316
302/* these may evaluate ev multiple times, and the other arguments at most once */ 317/* these may evaluate ev multiple times, and the other arguments at most once */
303/* either use ev_watcher_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ 318/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */
304#define ev_watcher_init(ev,cb_) do { \ 319#define ev_init(ev,cb_) do { \
305 ((struct ev_watcher *)(void *)(ev))->active = \ 320 ((struct ev_watcher *)(void *)(ev))->active = \
306 ((struct ev_watcher *)(void *)(ev))->pending = \ 321 ((struct ev_watcher *)(void *)(ev))->pending = \
307 ((struct ev_watcher *)(void *)(ev))->priority = 0; \ 322 ((struct ev_watcher *)(void *)(ev))->priority = 0; \
308 (ev)->cb = (cb_); \ 323 ev_set_cb ((ev), cb_); \
309} while (0) 324} while (0)
310 325
311#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0) 326#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0)
312#define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0) 327#define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0)
313#define ev_periodic_set(ev,at_,ival_,res_) do { (ev)->at = (at_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0) 328#define ev_periodic_set(ev,at_,ival_,res_) do { (ev)->at = (at_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0)
315#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ 330#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */
316#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ 331#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */
317#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ 332#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */
318#define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0) 333#define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0)
319 334
320#define ev_io_init(ev,cb,fd,events) do { ev_watcher_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) 335#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
321#define ev_timer_init(ev,cb,after,repeat) do { ev_watcher_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) 336#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)
322#define ev_periodic_init(ev,cb,at,ival,res) do { ev_watcher_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0) 337#define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0)
323#define ev_signal_init(ev,cb,signum) do { ev_watcher_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0) 338#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)
324#define ev_idle_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) 339#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)
325#define ev_prepare_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) 340#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
326#define ev_check_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_check_set ((ev)); } while (0) 341#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)
327#define ev_child_init(ev,cb,pid) do { ev_watcher_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0) 342#define ev_child_init(ev,cb,pid) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0)
328 343
329#define ev_is_pending(ev) (0 + ((struct ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ 344#define ev_is_pending(ev) (0 + ((struct ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */
330#define ev_is_active(ev) (0 + ((struct ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ 345#define ev_is_active(ev) (0 + ((struct ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */
331 346
332#define ev_priority(ev) ((struct ev_watcher *)(void *)(ev))->priority /* rw */ 347#define ev_priority(ev) ((struct ev_watcher *)(void *)(ev))->priority /* rw */
333#define ev_cb(ev) (ev)->cb /* rw */ 348#define ev_cb(ev) (ev)->cb /* rw */
334#define ev_set_priority(ev,pri) ev_priority (ev) = (pri) 349#define ev_set_priority(ev,pri) ev_priority (ev) = (pri)
350
351#ifndef ev_set_cb
335#define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) 352# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_)
353#endif
336 354
337/* stopping (enabling, adding) a watcher does nothing if it is already running */ 355/* stopping (enabling, adding) a watcher does nothing if it is already running */
338/* stopping (disabling, deleting) a watcher does nothing unless its already running */ 356/* stopping (disabling, deleting) a watcher does nothing unless its already running */
339#if EV_PROTOTYPES 357#if EV_PROTOTYPES
340 358

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