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Comparing libev/ev.h (file contents):
Revision 1.69 by root, Mon Nov 26 19:49:36 2007 UTC vs.
Revision 1.75 by root, Wed Nov 28 17:32:24 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_FORK_ENABLE
60# define EV_FORK_ENABLE 1
61#endif
62
59#ifndef EV_EMBED_ENABLE 63#ifndef EV_EMBED_ENABLE
60# define EV_EMBED_ENABLE 1 64# define EV_EMBED_ENABLE 1
61#endif 65#endif
62 66
63/*****************************************************************************/ 67/*****************************************************************************/
… …
71struct ev_loop; 75struct ev_loop;
72# define EV_P struct ev_loop *loop 76# define EV_P struct ev_loop *loop
73# define EV_P_ EV_P, 77# define EV_P_ EV_P,
74# define EV_A loop 78# define EV_A loop
75# define EV_A_ EV_A, 79# define EV_A_ EV_A,
76# define EV_DEFAULT_A ev_default_loop (0) 80# define EV_DEFAULT ev_default_loop (0)
77# define EV_DEFAULT_A_ EV_DEFAULT_A, 81# define EV_DEFAULT_ EV_DEFAULT,
78#else 82#else
79# define EV_P void 83# define EV_P void
80# define EV_P_ 84# define EV_P_
81# define EV_A 85# define EV_A
82# define EV_A_ 86# define EV_A_
87# define EV_DEFAULT
83# define EV_DEFAULT_A 88# define EV_DEFAULT_
84# define EV_DEFAULT_A_
85 89
86# undef EV_EMBED_ENABLE 90# undef EV_EMBED_ENABLE
87#endif 91#endif
88 92
89/* eventmask, revents, events... */ 93/* eventmask, revents, events... */
… …
92#define EV_READ 0x01L /* ev_io detected read will not block */ 96#define EV_READ 0x01L /* ev_io detected read will not block */
93#define EV_WRITE 0x02L /* ev_io detected write will not block */ 97#define EV_WRITE 0x02L /* ev_io detected write will not block */
94#define EV_TIMEOUT 0x00000100L /* timer timed out */ 98#define EV_TIMEOUT 0x00000100L /* timer timed out */
95#define EV_PERIODIC 0x00000200L /* periodic timer timed out */ 99#define EV_PERIODIC 0x00000200L /* periodic timer timed out */
96#define EV_SIGNAL 0x00000400L /* signal was received */ 100#define EV_SIGNAL 0x00000400L /* signal was received */
97#define EV_IDLE 0x00000800L /* event loop is idling */
98#define EV_PREPARE 0x00001000L /* event loop about to poll */
99#define EV_CHECK 0x00002000L /* event loop finished poll */
100#define EV_CHILD 0x00004000L /* child/pid had status change */ 101#define EV_CHILD 0x00000800L /* child/pid had status change */
102#define EV_STAT 0x00001000L /* stat data changed */
103#define EV_IDLE 0x00002000L /* event loop is idling */
104#define EV_PREPARE 0x00004000L /* event loop about to poll */
105#define EV_CHECK 0x00008000L /* event loop finished poll */
101#define EV_EMBED 0x00008000L /* embedded event loop needs sweep */ 106#define EV_EMBED 0x00010000L /* embedded event loop needs sweep */
102#define EV_STAT 0x00010000L /* stat data changed */ 107#define EV_FORK 0x00020000L /* event loop resumed in child */
103#define EV_ERROR 0x80000000L /* sent when an error occurs */ 108#define EV_ERROR 0x80000000L /* sent when an error occurs */
104 109
105/* can be used to add custom fields to all watchers, while losing binary compatibility */ 110/* can be used to add custom fields to all watchers, while losing binary compatibility */
106#ifndef EV_COMMON 111#ifndef EV_COMMON
107# define EV_COMMON void *data; 112# define EV_COMMON void *data;
… …
159typedef struct ev_watcher_time 164typedef struct ev_watcher_time
160{ 165{
161 EV_WATCHER_TIME (ev_watcher_time) 166 EV_WATCHER_TIME (ev_watcher_time)
162} ev_watcher_time; 167} ev_watcher_time;
163 168
169/* invoked when fd is either EV_READable or EV_WRITEable */
170/* revent EV_READ, EV_WRITE */
171typedef struct ev_io
172{
173 EV_WATCHER_LIST (ev_io)
174
175 int fd; /* ro */
176 int events; /* ro */
177} ev_io;
178
164/* invoked after a specific time, repeatable (based on monotonic clock) */ 179/* invoked after a specific time, repeatable (based on monotonic clock) */
165/* revent EV_TIMEOUT */ 180/* revent EV_TIMEOUT */
166typedef struct ev_timer 181typedef struct ev_timer
167{ 182{
168 EV_WATCHER_TIME (ev_timer) 183 EV_WATCHER_TIME (ev_timer)
… …
178 193
179 ev_tstamp interval; /* rw */ 194 ev_tstamp interval; /* rw */
180 ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now); /* rw */ 195 ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now); /* rw */
181} ev_periodic; 196} ev_periodic;
182 197
183/* invoked when fd is either EV_READable or EV_WRITEable */
184/* revent EV_READ, EV_WRITE */
185typedef struct ev_io
186{
187 EV_WATCHER_LIST (ev_io)
188
189 int fd; /* ro */
190 int events; /* ro */
191} ev_io;
192
193/* invoked when the given signal has been received */ 198/* invoked when the given signal has been received */
194/* revent EV_SIGNAL */ 199/* revent EV_SIGNAL */
195typedef struct ev_signal 200typedef struct ev_signal
196{ 201{
197 EV_WATCHER_LIST (ev_signal) 202 EV_WATCHER_LIST (ev_signal)
198 203
199 int signum; /* ro */ 204 int signum; /* ro */
200} ev_signal; 205} ev_signal;
206
207/* invoked when sigchld is received and waitpid indicates the given pid */
208/* revent EV_CHILD */
209/* does not support priorities */
210typedef struct ev_child
211{
212 EV_WATCHER_LIST (ev_child)
213
214 int pid; /* ro */
215 int rpid; /* rw, holds the received pid */
216 int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */
217} ev_child;
218
219#if EV_STAT_ENABLE
220/* st_nlink = 0 means missing file or other error */
221# ifdef _WIN32
222typedef struct _stati64 ev_statdata;
223# else
224typedef struct stat ev_statdata;
225# endif
226
227/* invoked each time the stat data changes for a given path */
228/* revent EV_STAT */
229typedef struct ev_stat
230{
231 EV_WATCHER_LIST (ev_stat)
232
233 ev_timer timer; /* private */
234 ev_tstamp interval; /* ro */
235 const char *path; /* ro */
236 ev_statdata prev; /* ro */
237 ev_statdata attr; /* ro */
238
239 int wd; /* wd for inotify, fd for kqueue */
240} ev_stat;
241#endif
201 242
202/* invoked when the nothing else needs to be done, keeps the process from blocking */ 243/* invoked when the nothing else needs to be done, keeps the process from blocking */
203/* revent EV_IDLE */ 244/* revent EV_IDLE */
204typedef struct ev_idle 245typedef struct ev_idle
205{ 246{
… …
219typedef struct ev_check 260typedef struct ev_check
220{ 261{
221 EV_WATCHER (ev_check) 262 EV_WATCHER (ev_check)
222} ev_check; 263} ev_check;
223 264
224/* invoked when sigchld is received and waitpid indicates the given pid */ 265#if EV_FORK_ENABLE
225/* revent EV_CHILD */ 266/* the callback gets invoked before check in the child process when a fork was detected */
226/* does not support priorities */
227typedef struct ev_child 267typedef struct ev_fork
228{ 268{
229 EV_WATCHER_LIST (ev_child) 269 EV_WATCHER (ev_fork)
230 270} ev_fork;
231 int pid; /* ro */ 271#endif
232 int rpid; /* rw, holds the received pid */
233 int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */
234} ev_child;
235 272
236#if EV_EMBED_ENABLE 273#if EV_EMBED_ENABLE
237/* used to embed an event loop inside another */ 274/* used to embed an event loop inside another */
238/* the callback gets invoked when the event loop has handled events, and can be 0 */ 275/* the callback gets invoked when the event loop has handled events, and can be 0 */
239typedef struct ev_embed 276typedef struct ev_embed
… …
243 ev_io io; /* private */ 280 ev_io io; /* private */
244 struct ev_loop *loop; /* ro */ 281 struct ev_loop *loop; /* ro */
245} ev_embed; 282} ev_embed;
246#endif 283#endif
247 284
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;
264#endif
265
266/* the presence of this union forces similar struct layout */ 285/* the presence of this union forces similar struct layout */
267union ev_any_watcher 286union ev_any_watcher
268{ 287{
269 struct ev_watcher w; 288 struct ev_watcher w;
270 struct ev_watcher_list wl; 289 struct ev_watcher_list wl;
271 290
272 struct ev_io io; 291 struct ev_io io;
273 struct ev_timer timer; 292 struct ev_timer timer;
274 struct ev_periodic periodic; 293 struct ev_periodic periodic;
294 struct ev_signal signal;
295 struct ev_child child;
296#if EV_STAT_ENABLE
297 struct ev_stat stat;
298#endif
275 struct ev_idle idle; 299 struct ev_idle idle;
276 struct ev_prepare prepare; 300 struct ev_prepare prepare;
277 struct ev_check check; 301 struct ev_check check;
278 struct ev_signal signal; 302#if EV_FORK_ENABLE
279 struct ev_child child; 303 struct ev_fork fork;
304#endif
280#if EV_EMBED_ENABLE 305#if EV_EMBED_ENABLE
281 struct ev_embed embed; 306 struct ev_embed embed;
282#endif
283#if EV_STAT_ENABLE
284 struct ev_stat stat;
285#endif 307#endif
286}; 308};
287 309
288/* bits for ev_default_loop and ev_loop_new */ 310/* bits for ev_default_loop and ev_loop_new */
289/* the default */ 311/* the default */
… …
401 423
402#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0) 424#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0)
403#define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0) 425#define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0)
404#define ev_periodic_set(ev,at_,ival_,res_) do { (ev)->at = (at_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0) 426#define ev_periodic_set(ev,at_,ival_,res_) do { (ev)->at = (at_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0)
405#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) 427#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)
428#define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0)
429#define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0)
406#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ 430#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */
407#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ 431#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */
408#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ 432#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */
409#define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0)
410#define ev_embed_set(ev,loop_) do { (ev)->loop = (loop_); } while (0) 433#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) 434#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */
412 435
413#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) 436#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
414#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) 437#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } 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) 438#define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0)
416#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0) 439#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)
440#define ev_child_init(ev,cb,pid) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0)
441#define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_path_set ((ev),(path),(interval)); } while (0)
417#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) 442#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)
418#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) 443#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
419#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0) 444#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)
420#define ev_child_init(ev,cb,pid) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0)
421#define ev_embed_init(ev,cb,loop) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(loop)); } while (0) 445#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) 446#define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0)
423 447
424#define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ 448#define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */
425#define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ 449#define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */
426 450
427#define ev_priority(ev) ((ev_watcher *)(void *)(ev))->priority /* rw */ 451#define ev_priority(ev) ((ev_watcher *)(void *)(ev))->priority /* rw */
… …
454void ev_periodic_start (EV_P_ ev_periodic *w); 478void ev_periodic_start (EV_P_ ev_periodic *w);
455void ev_periodic_stop (EV_P_ ev_periodic *w); 479void ev_periodic_stop (EV_P_ ev_periodic *w);
456void ev_periodic_again (EV_P_ ev_periodic *w); 480void ev_periodic_again (EV_P_ ev_periodic *w);
457#endif 481#endif
458 482
459void ev_idle_start (EV_P_ ev_idle *w);
460void ev_idle_stop (EV_P_ ev_idle *w);
461
462void ev_prepare_start (EV_P_ ev_prepare *w);
463void ev_prepare_stop (EV_P_ ev_prepare *w);
464
465void ev_check_start (EV_P_ ev_check *w);
466void ev_check_stop (EV_P_ ev_check *w);
467
468/* only supported in the default loop */ 483/* only supported in the default loop */
469void ev_signal_start (EV_P_ ev_signal *w); 484void ev_signal_start (EV_P_ ev_signal *w);
470void ev_signal_stop (EV_P_ ev_signal *w); 485void ev_signal_stop (EV_P_ ev_signal *w);
471 486
472/* only supported in the default loop */ 487/* only supported in the default loop */
473void ev_child_start (EV_P_ ev_child *w); 488void ev_child_start (EV_P_ ev_child *w);
474void ev_child_stop (EV_P_ ev_child *w); 489void ev_child_stop (EV_P_ ev_child *w);
490
491# if EV_STAT_ENABLE
492void ev_stat_start (EV_P_ ev_stat *w);
493void ev_stat_stop (EV_P_ ev_stat *w);
494void ev_stat_stat (EV_P_ ev_stat *w);
495# endif
496
497void ev_idle_start (EV_P_ ev_idle *w);
498void ev_idle_stop (EV_P_ ev_idle *w);
499
500void ev_prepare_start (EV_P_ ev_prepare *w);
501void ev_prepare_stop (EV_P_ ev_prepare *w);
502
503void ev_check_start (EV_P_ ev_check *w);
504void ev_check_stop (EV_P_ ev_check *w);
505
506# if EV_FORK_ENABLE
507void ev_fork_start (EV_P_ ev_fork *w);
508void ev_fork_stop (EV_P_ ev_fork *w);
509# endif
475 510
476# if EV_EMBED_ENABLE 511# if EV_EMBED_ENABLE
477/* only supported when loop to be embedded is in fact embeddable */ 512/* only supported when loop to be embedded is in fact embeddable */
478void ev_embed_start (EV_P_ ev_embed *w); 513void ev_embed_start (EV_P_ ev_embed *w);
479void ev_embed_stop (EV_P_ ev_embed *w); 514void ev_embed_stop (EV_P_ ev_embed *w);
480void ev_embed_sweep (EV_P_ ev_embed *w); 515void ev_embed_sweep (EV_P_ ev_embed *w);
481# endif 516# endif
482 517
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
489#endif 518#endif
490 519
491#ifdef __cplusplus 520#ifdef __cplusplus
492} 521}
493#endif 522#endif

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