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Comparing libev/ev.h (file contents):
Revision 1.72 by root, Tue Nov 27 10:59:11 2007 UTC vs.
Revision 1.86 by root, Thu Dec 20 07:12:57 2007 UTC

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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
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93/* eventmask, revents, events... */ 97/* eventmask, revents, events... */
94#define EV_UNDEF -1L /* guaranteed to be invalid */ 98#define EV_UNDEF -1L /* guaranteed to be invalid */
95#define EV_NONE 0x00L /* no events */ 99#define EV_NONE 0x00L /* no events */
96#define EV_READ 0x01L /* ev_io detected read will not block */ 100#define EV_READ 0x01L /* ev_io detected read will not block */
97#define EV_WRITE 0x02L /* ev_io detected write will not block */ 101#define EV_WRITE 0x02L /* ev_io detected write will not block */
102#define EV_IOFDSET 0x80L /* internal use only */
98#define EV_TIMEOUT 0x00000100L /* timer timed out */ 103#define EV_TIMEOUT 0x00000100L /* timer timed out */
99#define EV_PERIODIC 0x00000200L /* periodic timer timed out */ 104#define EV_PERIODIC 0x00000200L /* periodic timer timed out */
100#define EV_SIGNAL 0x00000400L /* signal was received */ 105#define EV_SIGNAL 0x00000400L /* signal was received */
101#define EV_CHILD 0x00000800L /* child/pid had status change */ 106#define EV_CHILD 0x00000800L /* child/pid had status change */
102#define EV_STAT 0x00001000L /* stat data changed */ 107#define EV_STAT 0x00001000L /* stat data changed */
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114#ifndef EV_PROTOTYPES 119#ifndef EV_PROTOTYPES
115# define EV_PROTOTYPES 1 120# define EV_PROTOTYPES 1
116#endif 121#endif
117 122
118#define EV_VERSION_MAJOR 1 123#define EV_VERSION_MAJOR 1
119#define EV_VERSION_MINOR 1 124#define EV_VERSION_MINOR 0
120 125
121#ifndef EV_CB_DECLARE 126#ifndef EV_CB_DECLARE
122# define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents); 127# define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents);
123#endif 128#endif
124#ifndef EV_CB_INVOKE 129#ifndef EV_CB_INVOKE
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189/* revent EV_PERIODIC */ 194/* revent EV_PERIODIC */
190typedef struct ev_periodic 195typedef struct ev_periodic
191{ 196{
192 EV_WATCHER_TIME (ev_periodic) 197 EV_WATCHER_TIME (ev_periodic)
193 198
199 ev_tstamp offset; /* rw */
194 ev_tstamp interval; /* rw */ 200 ev_tstamp interval; /* rw */
195 ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now); /* rw */ 201 ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now); /* rw */
196} ev_periodic; 202} ev_periodic;
197 203
198/* invoked when the given signal has been received */ 204/* invoked when the given signal has been received */
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216 int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */ 222 int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */
217} ev_child; 223} ev_child;
218 224
219#if EV_STAT_ENABLE 225#if EV_STAT_ENABLE
220/* st_nlink = 0 means missing file or other error */ 226/* st_nlink = 0 means missing file or other error */
221#ifdef _WIN32 227# ifdef _WIN32
222typedef struct _stati64 ev_statdata; 228typedef struct _stati64 ev_statdata;
223#else 229# else
224typedef struct stat ev_statdata; 230typedef struct stat ev_statdata;
225#endif 231# endif
226 232
227/* invoked each time the stat data changes for a given path */ 233/* invoked each time the stat data changes for a given path */
228/* revent EV_STAT */ 234/* revent EV_STAT */
229typedef struct ev_stat 235typedef struct ev_stat
230{ 236{
231 EV_WATCHER (ev_stat) 237 EV_WATCHER_LIST (ev_stat)
232 238
233 ev_timer timer; /* private */ 239 ev_timer timer; /* private */
234 ev_tstamp interval; /* ro */ 240 ev_tstamp interval; /* ro */
235 const char *path; /* ro */ 241 const char *path; /* ro */
236 ev_statdata prev; /* ro */ 242 ev_statdata prev; /* ro */
237 ev_statdata attr; /* ro */ 243 ev_statdata attr; /* ro */
244
245 int wd; /* wd for inotify, fd for kqueue */
238} ev_stat; 246} ev_stat;
239#endif 247#endif
240 248
249#if EV_IDLE_ENABLE
241/* invoked when the nothing else needs to be done, keeps the process from blocking */ 250/* invoked when the nothing else needs to be done, keeps the process from blocking */
242/* revent EV_IDLE */ 251/* revent EV_IDLE */
243typedef struct ev_idle 252typedef struct ev_idle
244{ 253{
245 EV_WATCHER (ev_idle) 254 EV_WATCHER (ev_idle)
246} ev_idle; 255} ev_idle;
256#endif
247 257
248/* invoked for each run of the mainloop, just before the blocking call */ 258/* invoked for each run of the mainloop, just before the blocking call */
249/* you can still change events in any way you like */ 259/* you can still change events in any way you like */
250/* revent EV_PREPARE */ 260/* revent EV_PREPARE */
251typedef struct ev_prepare 261typedef struct ev_prepare
… …
274typedef struct ev_embed 284typedef struct ev_embed
275{ 285{
276 EV_WATCHER (ev_embed) 286 EV_WATCHER (ev_embed)
277 287
278 ev_io io; /* private */ 288 ev_io io; /* private */
279 struct ev_loop *loop; /* ro */ 289 struct ev_loop *other; /* ro */
280} ev_embed; 290} ev_embed;
281#endif 291#endif
282 292
283/* the presence of this union forces similar struct layout */ 293/* the presence of this union forces similar struct layout */
284union ev_any_watcher 294union ev_any_watcher
… …
292 struct ev_signal signal; 302 struct ev_signal signal;
293 struct ev_child child; 303 struct ev_child child;
294#if EV_STAT_ENABLE 304#if EV_STAT_ENABLE
295 struct ev_stat stat; 305 struct ev_stat stat;
296#endif 306#endif
307#if EV_IDLE_ENABLE
297 struct ev_idle idle; 308 struct ev_idle idle;
309#endif
298 struct ev_prepare prepare; 310 struct ev_prepare prepare;
299 struct ev_check check; 311 struct ev_check check;
300#if EV_FORK_ENABLE 312#if EV_FORK_ENABLE
301 struct ev_fork fork; 313 struct ev_fork fork;
302#endif 314#endif
… …
308/* bits for ev_default_loop and ev_loop_new */ 320/* bits for ev_default_loop and ev_loop_new */
309/* the default */ 321/* the default */
310#define EVFLAG_AUTO 0x00000000UL /* not quite a mask */ 322#define EVFLAG_AUTO 0x00000000UL /* not quite a mask */
311/* flag bits */ 323/* flag bits */
312#define EVFLAG_NOENV 0x01000000UL /* do NOT consult environment */ 324#define EVFLAG_NOENV 0x01000000UL /* do NOT consult environment */
325#define EVFLAG_FORKCHECK 0x02000000UL /* check for a fork in each iteration */
313/* method bits to be ored together */ 326/* method bits to be ored together */
314#define EVBACKEND_SELECT 0x00000001UL /* about anywhere */ 327#define EVBACKEND_SELECT 0x00000001UL /* about anywhere */
315#define EVBACKEND_POLL 0x00000002UL /* !win */ 328#define EVBACKEND_POLL 0x00000002UL /* !win */
316#define EVBACKEND_EPOLL 0x00000004UL /* linux */ 329#define EVBACKEND_EPOLL 0x00000004UL /* linux */
317#define EVBACKEND_KQUEUE 0x00000008UL /* bsd */ 330#define EVBACKEND_KQUEUE 0x00000008UL /* bsd */
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383/* you can call it in either the parent or the child */ 396/* you can call it in either the parent or the child */
384/* you can actually call it at any time, anywhere :) */ 397/* you can actually call it at any time, anywhere :) */
385void ev_default_fork (void); 398void ev_default_fork (void);
386 399
387unsigned int ev_backend (EV_P); 400unsigned int ev_backend (EV_P);
401unsigned int ev_loop_count (EV_P);
388#endif 402#endif
389 403
390#define EVLOOP_NONBLOCK 1 /* do not block/wait */ 404#define EVLOOP_NONBLOCK 1 /* do not block/wait */
391#define EVLOOP_ONESHOT 2 /* block *once* only */ 405#define EVLOOP_ONESHOT 2 /* block *once* only */
392#define EVUNLOOP_CANCEL 0 /* undo unloop */ 406#define EVUNLOOP_CANCEL 0 /* undo unloop */
… …
410void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); 424void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg);
411#endif 425#endif
412 426
413/* these may evaluate ev multiple times, and the other arguments at most once */ 427/* these may evaluate ev multiple times, and the other arguments at most once */
414/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ 428/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */
415#define ev_init(ev,cb_) do { \ 429#define ev_init(ev,cb_) do { \
416 ((ev_watcher *)(void *)(ev))->active = \ 430 ((ev_watcher *)(void *)(ev))->active = \
417 ((ev_watcher *)(void *)(ev))->pending = \ 431 ((ev_watcher *)(void *)(ev))->pending = \
418 ((ev_watcher *)(void *)(ev))->priority = 0; \ 432 ((ev_watcher *)(void *)(ev))->priority = 0; \
419 ev_set_cb ((ev), cb_); \ 433 ev_set_cb ((ev), cb_); \
420} while (0) 434} while (0)
421 435
422#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0) 436#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) | EV_IOFDSET; } while (0)
423#define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0) 437#define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0)
424#define ev_periodic_set(ev,at_,ival_,res_) do { (ev)->at = (at_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0) 438#define ev_periodic_set(ev,ofs_,ival_,res_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0)
425#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) 439#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)
426#define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0) 440#define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0)
427#define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); } while (0) 441#define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0)
428#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ 442#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */
429#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ 443#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */
430#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ 444#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */
431#define ev_embed_set(ev,loop_) do { (ev)->loop = (loop_); } while (0) 445#define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0)
432#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */ 446#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */
433 447
434#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) 448#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
435#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) 449#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)
436#define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0) 450#define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0)
… …
438#define ev_child_init(ev,cb,pid) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0) 452#define ev_child_init(ev,cb,pid) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0)
439#define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_path_set ((ev),(path),(interval)); } while (0) 453#define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_path_set ((ev),(path),(interval)); } while (0)
440#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) 454#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)
441#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) 455#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
442#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0) 456#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)
443#define ev_embed_init(ev,cb,loop) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(loop)); } while (0) 457#define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0)
444#define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0) 458#define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0)
445 459
446#define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ 460#define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */
447#define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ 461#define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */
448 462
449#define ev_priority(ev) ((ev_watcher *)(void *)(ev))->priority /* rw */ 463#define ev_priority(ev) ((((ev_watcher *)(void *)(ev))->priority) + 0)
450#define ev_cb(ev) (ev)->cb /* rw */ 464#define ev_cb(ev) (ev)->cb /* rw */
451#define ev_set_priority(ev,pri) ev_priority (ev) = (pri) 465#define ev_set_priority(ev,pri) ((ev_watcher *)(void *)(ev))->priority = (pri)
452 466
453#ifndef ev_set_cb 467#ifndef ev_set_cb
454# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) 468# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_)
455#endif 469#endif
456 470
… …
461/* feeds an event into a watcher as if the event actually occured */ 475/* feeds an event into a watcher as if the event actually occured */
462/* accepts any ev_watcher type */ 476/* accepts any ev_watcher type */
463void ev_feed_event (EV_P_ void *w, int revents); 477void ev_feed_event (EV_P_ void *w, int revents);
464void ev_feed_fd_event (EV_P_ int fd, int revents); 478void ev_feed_fd_event (EV_P_ int fd, int revents);
465void ev_feed_signal_event (EV_P_ int signum); 479void ev_feed_signal_event (EV_P_ int signum);
480void ev_invoke (EV_P_ void *w, int revents);
481int ev_clear_pending (EV_P_ void *w);
466 482
467void ev_io_start (EV_P_ ev_io *w); 483void ev_io_start (EV_P_ ev_io *w);
468void ev_io_stop (EV_P_ ev_io *w); 484void ev_io_stop (EV_P_ ev_io *w);
469 485
470void ev_timer_start (EV_P_ ev_timer *w); 486void ev_timer_start (EV_P_ ev_timer *w);
… …
490void ev_stat_start (EV_P_ ev_stat *w); 506void ev_stat_start (EV_P_ ev_stat *w);
491void ev_stat_stop (EV_P_ ev_stat *w); 507void ev_stat_stop (EV_P_ ev_stat *w);
492void ev_stat_stat (EV_P_ ev_stat *w); 508void ev_stat_stat (EV_P_ ev_stat *w);
493# endif 509# endif
494 510
511# if EV_IDLE_ENABLE
495void ev_idle_start (EV_P_ ev_idle *w); 512void ev_idle_start (EV_P_ ev_idle *w);
496void ev_idle_stop (EV_P_ ev_idle *w); 513void ev_idle_stop (EV_P_ ev_idle *w);
514# endif
497 515
498void ev_prepare_start (EV_P_ ev_prepare *w); 516void ev_prepare_start (EV_P_ ev_prepare *w);
499void ev_prepare_stop (EV_P_ ev_prepare *w); 517void ev_prepare_stop (EV_P_ ev_prepare *w);
500 518
501void ev_check_start (EV_P_ ev_check *w); 519void ev_check_start (EV_P_ ev_check *w);

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