ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/libev/ev.h
(Generate patch)

Comparing libev/ev.h (file contents):
Revision 1.74 by root, Wed Nov 28 11:15:55 2007 UTC vs.
Revision 1.83 by root, Sun Dec 9 19:46:56 2007 UTC

… …
54 54
55#ifndef EV_STAT_ENABLE 55#ifndef EV_STAT_ENABLE
56# define EV_STAT_ENABLE 1 56# define EV_STAT_ENABLE 1
57#endif 57#endif
58 58
59#ifndef EV_IDLE_ENABLE
60# define EV_IDLE_ENABLE 1
61#endif
62
59#ifndef EV_FORK_ENABLE 63#ifndef EV_FORK_ENABLE
60# define EV_FORK_ENABLE 1 64# define EV_FORK_ENABLE 1
61#endif 65#endif
62 66
63#ifndef EV_EMBED_ENABLE 67#ifndef EV_EMBED_ENABLE
64# define EV_EMBED_ENABLE 1 68# define EV_EMBED_ENABLE 1
65#endif 69#endif
66 70
67/*****************************************************************************/ 71/*****************************************************************************/
68
69#include <stddef.h> /* for size_t */
70 72
71#if EV_STAT_ENABLE 73#if EV_STAT_ENABLE
72# include <sys/stat.h> 74# include <sys/stat.h>
73#endif 75#endif
74 76
… …
115#endif 117#endif
116#ifndef EV_PROTOTYPES 118#ifndef EV_PROTOTYPES
117# define EV_PROTOTYPES 1 119# define EV_PROTOTYPES 1
118#endif 120#endif
119 121
120#define EV_VERSION_MAJOR 1 122#define EV_VERSION_MAJOR 2
121#define EV_VERSION_MINOR 1 123#define EV_VERSION_MINOR 0
122 124
123#ifndef EV_CB_DECLARE 125#ifndef EV_CB_DECLARE
124# define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents); 126# define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents);
125#endif 127#endif
126#ifndef EV_CB_INVOKE 128#ifndef EV_CB_INVOKE
… …
191/* revent EV_PERIODIC */ 193/* revent EV_PERIODIC */
192typedef struct ev_periodic 194typedef struct ev_periodic
193{ 195{
194 EV_WATCHER_TIME (ev_periodic) 196 EV_WATCHER_TIME (ev_periodic)
195 197
198 ev_tstamp offset; /* rw */
196 ev_tstamp interval; /* rw */ 199 ev_tstamp interval; /* rw */
197 ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now); /* rw */ 200 ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now); /* rw */
198} ev_periodic; 201} ev_periodic;
199 202
200/* invoked when the given signal has been received */ 203/* invoked when the given signal has been received */
… …
240 243
241 int wd; /* wd for inotify, fd for kqueue */ 244 int wd; /* wd for inotify, fd for kqueue */
242} ev_stat; 245} ev_stat;
243#endif 246#endif
244 247
248#if EV_IDLE_ENABLE
245/* invoked when the nothing else needs to be done, keeps the process from blocking */ 249/* invoked when the nothing else needs to be done, keeps the process from blocking */
246/* revent EV_IDLE */ 250/* revent EV_IDLE */
247typedef struct ev_idle 251typedef struct ev_idle
248{ 252{
249 EV_WATCHER (ev_idle) 253 EV_WATCHER (ev_idle)
250} ev_idle; 254} ev_idle;
255#endif
251 256
252/* invoked for each run of the mainloop, just before the blocking call */ 257/* invoked for each run of the mainloop, just before the blocking call */
253/* you can still change events in any way you like */ 258/* you can still change events in any way you like */
254/* revent EV_PREPARE */ 259/* revent EV_PREPARE */
255typedef struct ev_prepare 260typedef struct ev_prepare
… …
296 struct ev_signal signal; 301 struct ev_signal signal;
297 struct ev_child child; 302 struct ev_child child;
298#if EV_STAT_ENABLE 303#if EV_STAT_ENABLE
299 struct ev_stat stat; 304 struct ev_stat stat;
300#endif 305#endif
306#if EV_IDLE_ENABLE
301 struct ev_idle idle; 307 struct ev_idle idle;
308#endif
302 struct ev_prepare prepare; 309 struct ev_prepare prepare;
303 struct ev_check check; 310 struct ev_check check;
304#if EV_FORK_ENABLE 311#if EV_FORK_ENABLE
305 struct ev_fork fork; 312 struct ev_fork fork;
306#endif 313#endif
… …
312/* bits for ev_default_loop and ev_loop_new */ 319/* bits for ev_default_loop and ev_loop_new */
313/* the default */ 320/* the default */
314#define EVFLAG_AUTO 0x00000000UL /* not quite a mask */ 321#define EVFLAG_AUTO 0x00000000UL /* not quite a mask */
315/* flag bits */ 322/* flag bits */
316#define EVFLAG_NOENV 0x01000000UL /* do NOT consult environment */ 323#define EVFLAG_NOENV 0x01000000UL /* do NOT consult environment */
324#define EVFLAG_FORKCHECK 0x02000000UL /* check for a fork in each iteration */
317/* method bits to be ored together */ 325/* method bits to be ored together */
318#define EVBACKEND_SELECT 0x00000001UL /* about anywhere */ 326#define EVBACKEND_SELECT 0x00000001UL /* about anywhere */
319#define EVBACKEND_POLL 0x00000002UL /* !win */ 327#define EVBACKEND_POLL 0x00000002UL /* !win */
320#define EVBACKEND_EPOLL 0x00000004UL /* linux */ 328#define EVBACKEND_EPOLL 0x00000004UL /* linux */
321#define EVBACKEND_KQUEUE 0x00000008UL /* bsd */ 329#define EVBACKEND_KQUEUE 0x00000008UL /* bsd */
… …
336 * It is used to allocate and free memory. 344 * It is used to allocate and free memory.
337 * If it returns zero when memory needs to be allocated, the library might abort 345 * If it returns zero when memory needs to be allocated, the library might abort
338 * or take some potentially destructive action. 346 * or take some potentially destructive action.
339 * The default is your system realloc function. 347 * The default is your system realloc function.
340 */ 348 */
341void ev_set_allocator (void *(*cb)(void *ptr, size_t size)); 349void ev_set_allocator (void *(*cb)(void *ptr, long size));
342 350
343/* set the callback function to call on a 351/* set the callback function to call on a
344 * retryable syscall error 352 * retryable syscall error
345 * (such as failed select, poll, epoll_wait) 353 * (such as failed select, poll, epoll_wait)
346 */ 354 */
… …
387/* you can call it in either the parent or the child */ 395/* you can call it in either the parent or the child */
388/* you can actually call it at any time, anywhere :) */ 396/* you can actually call it at any time, anywhere :) */
389void ev_default_fork (void); 397void ev_default_fork (void);
390 398
391unsigned int ev_backend (EV_P); 399unsigned int ev_backend (EV_P);
400unsigned int ev_loop_count (EV_P);
392#endif 401#endif
393 402
394#define EVLOOP_NONBLOCK 1 /* do not block/wait */ 403#define EVLOOP_NONBLOCK 1 /* do not block/wait */
395#define EVLOOP_ONESHOT 2 /* block *once* only */ 404#define EVLOOP_ONESHOT 2 /* block *once* only */
396#define EVUNLOOP_CANCEL 0 /* undo unloop */ 405#define EVUNLOOP_CANCEL 0 /* undo unloop */
… …
414void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); 423void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg);
415#endif 424#endif
416 425
417/* these may evaluate ev multiple times, and the other arguments at most once */ 426/* these may evaluate ev multiple times, and the other arguments at most once */
418/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ 427/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */
419#define ev_init(ev,cb_) do { \ 428#define ev_init(ev,cb_) do { \
420 ((ev_watcher *)(void *)(ev))->active = \ 429 ((ev_watcher *)(void *)(ev))->active = \
421 ((ev_watcher *)(void *)(ev))->pending = \ 430 ((ev_watcher *)(void *)(ev))->pending = \
422 ((ev_watcher *)(void *)(ev))->priority = 0; \ 431 ((ev_watcher *)(void *)(ev))->priority = 0; \
423 ev_set_cb ((ev), cb_); \ 432 ev_set_cb ((ev), cb_); \
424} while (0) 433} while (0)
425 434
426#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0) 435#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0)
427#define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0) 436#define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0)
428#define ev_periodic_set(ev,at_,ival_,res_) do { (ev)->at = (at_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0) 437#define ev_periodic_set(ev,ofs_,ival_,res_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0)
429#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) 438#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)
430#define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0) 439#define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0)
431#define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0) 440#define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0)
432#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ 441#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */
433#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ 442#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */
… …
448#define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0) 457#define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0)
449 458
450#define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ 459#define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */
451#define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ 460#define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */
452 461
453#define ev_priority(ev) ((ev_watcher *)(void *)(ev))->priority /* rw */ 462#define ev_priority(ev) ((((ev_watcher *)(void *)(ev))->priority) + 0)
454#define ev_cb(ev) (ev)->cb /* rw */ 463#define ev_cb(ev) (ev)->cb /* rw */
455#define ev_set_priority(ev,pri) ev_priority (ev) = (pri) 464#define ev_set_priority(ev,pri) ((ev_watcher *)(void *)(ev))->priority = (pri)
456 465
457#ifndef ev_set_cb 466#ifndef ev_set_cb
458# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) 467# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_)
459#endif 468#endif
460 469
… …
465/* feeds an event into a watcher as if the event actually occured */ 474/* feeds an event into a watcher as if the event actually occured */
466/* accepts any ev_watcher type */ 475/* accepts any ev_watcher type */
467void ev_feed_event (EV_P_ void *w, int revents); 476void ev_feed_event (EV_P_ void *w, int revents);
468void ev_feed_fd_event (EV_P_ int fd, int revents); 477void ev_feed_fd_event (EV_P_ int fd, int revents);
469void ev_feed_signal_event (EV_P_ int signum); 478void ev_feed_signal_event (EV_P_ int signum);
479void ev_invoke (EV_P_ void *w, int revents);
480int ev_clear_pending (EV_P_ void *w);
470 481
471void ev_io_start (EV_P_ ev_io *w); 482void ev_io_start (EV_P_ ev_io *w);
472void ev_io_stop (EV_P_ ev_io *w); 483void ev_io_stop (EV_P_ ev_io *w);
473 484
474void ev_timer_start (EV_P_ ev_timer *w); 485void ev_timer_start (EV_P_ ev_timer *w);
… …
494void ev_stat_start (EV_P_ ev_stat *w); 505void ev_stat_start (EV_P_ ev_stat *w);
495void ev_stat_stop (EV_P_ ev_stat *w); 506void ev_stat_stop (EV_P_ ev_stat *w);
496void ev_stat_stat (EV_P_ ev_stat *w); 507void ev_stat_stat (EV_P_ ev_stat *w);
497# endif 508# endif
498 509
510# if EV_IDLE_ENABLE
499void ev_idle_start (EV_P_ ev_idle *w); 511void ev_idle_start (EV_P_ ev_idle *w);
500void ev_idle_stop (EV_P_ ev_idle *w); 512void ev_idle_stop (EV_P_ ev_idle *w);
513# endif
501 514
502void ev_prepare_start (EV_P_ ev_prepare *w); 515void ev_prepare_start (EV_P_ ev_prepare *w);
503void ev_prepare_stop (EV_P_ ev_prepare *w); 516void ev_prepare_stop (EV_P_ ev_prepare *w);
504 517
505void ev_check_start (EV_P_ ev_check *w); 518void ev_check_start (EV_P_ ev_check *w);

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines