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Comparing libev/ev.h (file contents):
Revision 1.68 by root, Sat Nov 24 09:48:38 2007 UTC vs.
Revision 1.69 by root, Mon Nov 26 19:49:36 2007 UTC

… …
46 46
47#ifndef EV_MULTIPLICITY 47#ifndef EV_MULTIPLICITY
48# define EV_MULTIPLICITY 1 48# define EV_MULTIPLICITY 1
49#endif 49#endif
50 50
51#ifndef EV_PERIODICS 51#ifndef EV_PERIODIC_ENABLE
52# define EV_PERIODICS 1 52# define EV_PERIODIC_ENABLE 1
53#endif
54
55#ifndef EV_STAT_ENABLE
56# define EV_STAT_ENABLE 1
57#endif
58
59#ifndef EV_EMBED_ENABLE
60# define EV_EMBED_ENABLE 1
61#endif
62
63/*****************************************************************************/
64
65#if EV_STAT_ENABLE
66# include <sys/stat.h>
53#endif 67#endif
54 68
55/* support multiple event loops? */ 69/* support multiple event loops? */
56#if EV_MULTIPLICITY 70#if EV_MULTIPLICITY
57struct ev_loop; 71struct ev_loop;
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66# define EV_P_ 80# define EV_P_
67# define EV_A 81# define EV_A
68# define EV_A_ 82# define EV_A_
69# define EV_DEFAULT_A 83# define EV_DEFAULT_A
70# define EV_DEFAULT_A_ 84# define EV_DEFAULT_A_
85
86# undef EV_EMBED_ENABLE
71#endif 87#endif
72 88
73/* eventmask, revents, events... */ 89/* eventmask, revents, events... */
74#define EV_UNDEF -1L /* guaranteed to be invalid */ 90#define EV_UNDEF -1L /* guaranteed to be invalid */
75#define EV_NONE 0x00L 91#define EV_NONE 0x00L /* no events */
76#define EV_READ 0x01L /* io only */ 92#define EV_READ 0x01L /* ev_io detected read will not block */
77#define EV_WRITE 0x02L /* io only */ 93#define EV_WRITE 0x02L /* ev_io detected write will not block */
78#define EV_TIMEOUT 0x000100L /* timer only */ 94#define EV_TIMEOUT 0x00000100L /* timer timed out */
79#define EV_PERIODIC 0x000200L /* periodic timer only */ 95#define EV_PERIODIC 0x00000200L /* periodic timer timed out */
80#define EV_SIGNAL 0x000400L /* signal only */ 96#define EV_SIGNAL 0x00000400L /* signal was received */
81#define EV_IDLE 0x000800L /* idle only */ 97#define EV_IDLE 0x00000800L /* event loop is idling */
82#define EV_CHECK 0x001000L /* check only */ 98#define EV_PREPARE 0x00001000L /* event loop about to poll */
83#define EV_PREPARE 0x002000L /* prepare only */ 99#define EV_CHECK 0x00002000L /* event loop finished poll */
84#define EV_CHILD 0x004000L /* child/pid only */ 100#define EV_CHILD 0x00004000L /* child/pid had status change */
85#define EV_EMBED 0x008000L /* embedded event loop */ 101#define EV_EMBED 0x00008000L /* embedded event loop needs sweep */
102#define EV_STAT 0x00010000L /* stat data changed */
86#define EV_ERROR 0x800000L /* sent when an error occurs */ 103#define EV_ERROR 0x80000000L /* sent when an error occurs */
87 104
88/* can be used to add custom fields to all watchers, while losing binary compatibility */ 105/* can be used to add custom fields to all watchers, while losing binary compatibility */
89#ifndef EV_COMMON 106#ifndef EV_COMMON
90# define EV_COMMON void *data; 107# define EV_COMMON void *data;
91#endif 108#endif
… …
214 int pid; /* ro */ 231 int pid; /* ro */
215 int rpid; /* rw, holds the received pid */ 232 int rpid; /* rw, holds the received pid */
216 int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */ 233 int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */
217} ev_child; 234} ev_child;
218 235
219#if EV_MULTIPLICITY 236#if EV_EMBED_ENABLE
220/* used to embed an event loop inside another */ 237/* used to embed an event loop inside another */
221/* the callback gets invoked when the event loop has handled events, and can be 0 */ 238/* the callback gets invoked when the event loop has handled events, and can be 0 */
222typedef struct ev_embed 239typedef struct ev_embed
223{ 240{
224 EV_WATCHER (ev_embed) 241 EV_WATCHER (ev_embed)
225 242
226 ev_io io; /* private */ 243 ev_io io; /* private */
227 struct ev_loop *loop; /* ro */ 244 struct ev_loop *loop; /* ro */
228} ev_embed; 245} ev_embed;
246#endif
247
248#if EV_STAT_ENABLE
249/* st_nlink = 0 means missing file or other error */
250typedef struct stat ev_statdata;
251
252/* invoked each time the stat data changes for a given path */
253/* revent EV_STAT */
254typedef struct ev_stat
255{
256 EV_WATCHER (ev_stat)
257
258 ev_timer timer; /* private */
259 ev_tstamp interval; /* rw */
260 const char *path; /* ro */
261 ev_statdata prev; /* ro */
262 ev_statdata attr; /* ro */
263} ev_stat;
229#endif 264#endif
230 265
231/* the presence of this union forces similar struct layout */ 266/* the presence of this union forces similar struct layout */
232union ev_any_watcher 267union ev_any_watcher
233{ 268{
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240 struct ev_idle idle; 275 struct ev_idle idle;
241 struct ev_prepare prepare; 276 struct ev_prepare prepare;
242 struct ev_check check; 277 struct ev_check check;
243 struct ev_signal signal; 278 struct ev_signal signal;
244 struct ev_child child; 279 struct ev_child child;
245#if EV_MULTIPLICITY 280#if EV_EMBED_ENABLE
246 struct ev_embed embed; 281 struct ev_embed embed;
282#endif
283#if EV_STAT_ENABLE
284 struct ev_stat stat;
247#endif 285#endif
248}; 286};
249 287
250/* bits for ev_default_loop and ev_loop_new */ 288/* bits for ev_default_loop and ev_loop_new */
251/* the default */ 289/* the default */
… …
368#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ 406#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */
369#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ 407#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */
370#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ 408#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */
371#define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0) 409#define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0)
372#define ev_embed_set(ev,loop_) do { (ev)->loop = (loop_); } while (0) 410#define ev_embed_set(ev,loop_) do { (ev)->loop = (loop_); } while (0)
411#define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); } while (0)
373 412
374#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) 413#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
375#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) 414#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)
376#define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0) 415#define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0)
377#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0) 416#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)
378#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) 417#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)
379#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) 418#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
380#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0) 419#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)
381#define ev_child_init(ev,cb,pid) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0) 420#define ev_child_init(ev,cb,pid) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0)
382#define ev_embed_init(ev,cb,loop) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(loop)); } while (0) 421#define ev_embed_init(ev,cb,loop) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(loop)); } while (0)
422#define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_path_set ((ev),(path),(interval)); } while (0)
383 423
384#define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ 424#define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */
385#define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ 425#define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */
386 426
387#define ev_priority(ev) ((ev_watcher *)(void *)(ev))->priority /* rw */ 427#define ev_priority(ev) ((ev_watcher *)(void *)(ev))->priority /* rw */
… …
408void ev_timer_start (EV_P_ ev_timer *w); 448void ev_timer_start (EV_P_ ev_timer *w);
409void ev_timer_stop (EV_P_ ev_timer *w); 449void ev_timer_stop (EV_P_ ev_timer *w);
410/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ 450/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */
411void ev_timer_again (EV_P_ ev_timer *w); 451void ev_timer_again (EV_P_ ev_timer *w);
412 452
413#if EV_PERIODICS 453#if EV_PERIODIC_ENABLE
414void ev_periodic_start (EV_P_ ev_periodic *w); 454void ev_periodic_start (EV_P_ ev_periodic *w);
415void ev_periodic_stop (EV_P_ ev_periodic *w); 455void ev_periodic_stop (EV_P_ ev_periodic *w);
416void ev_periodic_again (EV_P_ ev_periodic *w); 456void ev_periodic_again (EV_P_ ev_periodic *w);
417#endif 457#endif
418 458
… …
431 471
432/* only supported in the default loop */ 472/* only supported in the default loop */
433void ev_child_start (EV_P_ ev_child *w); 473void ev_child_start (EV_P_ ev_child *w);
434void ev_child_stop (EV_P_ ev_child *w); 474void ev_child_stop (EV_P_ ev_child *w);
435 475
436# if EV_MULTIPLICITY 476# if EV_EMBED_ENABLE
437/* only supported when loop to be embedded is in fact embeddable */ 477/* only supported when loop to be embedded is in fact embeddable */
438void ev_embed_start (EV_P_ ev_embed *w); 478void ev_embed_start (EV_P_ ev_embed *w);
439void ev_embed_stop (EV_P_ ev_embed *w); 479void ev_embed_stop (EV_P_ ev_embed *w);
440void ev_embed_sweep (EV_P_ ev_embed *w); 480void ev_embed_sweep (EV_P_ ev_embed *w);
441# endif 481# endif
442 482
483# if EV_STAT_ENABLE
484void ev_stat_start (EV_P_ ev_stat *w);
485void ev_stat_stop (EV_P_ ev_stat *w);
486void ev_stat_stat (EV_P_ ev_stat *w);
487# endif
488
443#endif 489#endif
444 490
445#ifdef __cplusplus 491#ifdef __cplusplus
446} 492}
447#endif 493#endif

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