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Comparing libev/ev.h (file contents):
Revision 1.54 by root, Mon Nov 12 05:53:55 2007 UTC vs.
Revision 1.64 by root, Fri Nov 23 19:13:33 2007 UTC

… …
69# define EV_DEFAULT_A 69# define EV_DEFAULT_A
70# define EV_DEFAULT_A_ 70# define EV_DEFAULT_A_
71#endif 71#endif
72 72
73/* eventmask, revents, events... */ 73/* eventmask, revents, events... */
74#define EV_UNDEF -1 /* guaranteed to be invalid */ 74#define EV_UNDEF -1L /* guaranteed to be invalid */
75#define EV_NONE 0x00 75#define EV_NONE 0x00L
76#define EV_READ 0x01 /* io only */ 76#define EV_READ 0x01L /* io only */
77#define EV_WRITE 0x02 /* io only */ 77#define EV_WRITE 0x02L /* io only */
78#define EV_TIMEOUT 0x000100 /* timer only */ 78#define EV_TIMEOUT 0x000100L /* timer only */
79#define EV_PERIODIC 0x000200 /* periodic timer only */ 79#define EV_PERIODIC 0x000200L /* periodic timer only */
80#define EV_SIGNAL 0x000400 /* signal only */ 80#define EV_SIGNAL 0x000400L /* signal only */
81#define EV_IDLE 0x000800 /* idle only */ 81#define EV_IDLE 0x000800L /* idle only */
82#define EV_CHECK 0x001000 /* check only */ 82#define EV_CHECK 0x001000L /* check only */
83#define EV_PREPARE 0x002000 /* prepare only */ 83#define EV_PREPARE 0x002000L /* prepare only */
84#define EV_CHILD 0x004000 /* child/pid only */ 84#define EV_CHILD 0x004000L /* child/pid only */
85#define EV_EMBED 0x008000L /* embedded event loop */
85#define EV_ERROR 0x800000 /* sent when an error occurs */ 86#define EV_ERROR 0x800000L /* sent when an error occurs */
86 87
87/* can be used to add custom fields to all watchers, while losing binary compatibility */ 88/* can be used to add custom fields to all watchers, while losing binary compatibility */
88#ifndef EV_COMMON 89#ifndef EV_COMMON
89# define EV_COMMON void *data; 90# define EV_COMMON void *data;
90#endif 91#endif
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201struct ev_check 202struct ev_check
202{ 203{
203 EV_WATCHER (ev_check) 204 EV_WATCHER (ev_check)
204}; 205};
205 206
206/* invoked when sigchld is received and waitpid indicates the givne pid */ 207/* invoked when sigchld is received and waitpid indicates the given pid */
207/* revent EV_CHILD */ 208/* revent EV_CHILD */
208/* does not support priorities */ 209/* does not support priorities */
209struct ev_child 210struct ev_child
210{ 211{
211 EV_WATCHER_LIST (ev_child) 212 EV_WATCHER_LIST (ev_child)
212 213
213 int pid; /* ro */ 214 int pid; /* ro */
214 int rpid; /* rw, holds the received pid */ 215 int rpid; /* rw, holds the received pid */
215 int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */ 216 int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */
216}; 217};
218
219#if EV_MULTIPLICITY
220/* used to embed an event loop inside another */
221/* the callback gets invoked when the event loop has handled events, and can be 0 */
222struct ev_embed
223{
224 EV_WATCHER (ev_embed)
225
226 struct ev_io io; /* private */
227 struct ev_loop *loop; /* ro */
228};
229#endif
217 230
218/* the presence of this union forces similar struct layout */ 231/* the presence of this union forces similar struct layout */
219union ev_any_watcher 232union ev_any_watcher
220{ 233{
221 struct ev_watcher w; 234 struct ev_watcher w;
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227 struct ev_idle idle; 240 struct ev_idle idle;
228 struct ev_prepare prepare; 241 struct ev_prepare prepare;
229 struct ev_check check; 242 struct ev_check check;
230 struct ev_signal signal; 243 struct ev_signal signal;
231 struct ev_child child; 244 struct ev_child child;
245 struct ev_embed embed;
232}; 246};
233 247
234/* bits for ev_default_loop and ev_loop_new */ 248/* bits for ev_default_loop and ev_loop_new */
235/* the default */ 249/* the default */
236#define EVMETHOD_AUTO 0x00000000 /* not quite a mask */ 250#define EVFLAG_AUTO 0x00000000UL /* not quite a mask */
237 251/* flag bits */
252#define EVFLAG_NOENV 0x01000000UL /* do NOT consult environment */
238/* method bits to be ored together */ 253/* method bits to be ored together */
239#define EVMETHOD_SELECT 0x00000001 /* about anywhere */ 254#define EVBACKEND_SELECT 0x00000001UL /* about anywhere */
240#define EVMETHOD_POLL 0x00000002 /* !win */ 255#define EVBACKEND_POLL 0x00000002UL /* !win */
241#define EVMETHOD_EPOLL 0x00000004 /* linux */ 256#define EVBACKEND_EPOLL 0x00000004UL /* linux */
242#define EVMETHOD_KQUEUE 0x00000008 /* bsd */ 257#define EVBACKEND_KQUEUE 0x00000008UL /* bsd */
243#define EVMETHOD_DEVPOLL 0x00000010 /* solaris 8 */ /* NYI */ 258#define EVBACKEND_DEVPOLL 0x00000010UL /* solaris 8 */ /* NYI */
244#define EVMETHOD_PORT 0x00000020 /* solaris 10 */ /* NYI */ 259#define EVBACKEND_PORT 0x00000020UL /* solaris 10 */
245
246/* flag bits */
247#define EVMETHOD_NOENV 0x01000000 /* do NOT consult environment */
248 260
249#if EV_PROTOTYPES 261#if EV_PROTOTYPES
250int ev_version_major (void); 262int ev_version_major (void);
251int ev_version_minor (void); 263int ev_version_minor (void);
264
265unsigned int ev_supported_backends (void);
266unsigned int ev_recommended_backends (void);
267unsigned int ev_embeddable_backends (void);
252 268
253ev_tstamp ev_time (void); 269ev_tstamp ev_time (void);
254 270
255/* Sets the allocation function to use, works like realloc. 271/* Sets the allocation function to use, works like realloc.
256 * It is used to allocate and free memory. 272 * It is used to allocate and free memory.
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267void ev_set_syserr_cb (void (*cb)(const char *msg)); 283void ev_set_syserr_cb (void (*cb)(const char *msg));
268 284
269# if EV_MULTIPLICITY 285# if EV_MULTIPLICITY
270/* the default loop is the only one that handles signals and child watchers */ 286/* the default loop is the only one that handles signals and child watchers */
271/* you can call this as often as you like */ 287/* you can call this as often as you like */
272struct ev_loop *ev_default_loop (unsigned int flags); /* returns default loop */ 288static struct ev_loop *
289ev_default_loop (unsigned int flags)
290{
291 extern struct ev_loop *ev_default_loop_ptr;
292 extern struct ev_loop *ev_default_loop_init (unsigned int flags);
293
294 if (!ev_default_loop_ptr)
295 ev_default_loop_init (flags);
296
297 return ev_default_loop_ptr;
298}
273 299
274/* create and destroy alternative loops that don't handle signals */ 300/* create and destroy alternative loops that don't handle signals */
275struct ev_loop *ev_loop_new (unsigned int flags); 301struct ev_loop *ev_loop_new (unsigned int flags);
276void ev_loop_destroy (EV_P); 302void ev_loop_destroy (EV_P);
277void ev_loop_fork (EV_P); 303void ev_loop_fork (EV_P);
… …
296/* if you create alternative loops you have to call ev_loop_fork on them */ 322/* if you create alternative loops you have to call ev_loop_fork on them */
297/* you can call it in either the parent or the child */ 323/* you can call it in either the parent or the child */
298/* you can actually call it at any time, anywhere :) */ 324/* you can actually call it at any time, anywhere :) */
299void ev_default_fork (void); 325void ev_default_fork (void);
300 326
301int ev_method (EV_P); 327unsigned int ev_backend (EV_P);
302#endif 328#endif
303 329
304#define EVLOOP_NONBLOCK 1 /* do not block/wait */ 330#define EVLOOP_NONBLOCK 1 /* do not block/wait */
305#define EVLOOP_ONESHOT 2 /* block *once* only */ 331#define EVLOOP_ONESHOT 2 /* block *once* only */
306#define EVUNLOOP_ONCE 1 /* unloop once */ 332#define EVUNLOOP_ONE 1 /* unloop once */
307#define EVUNLOOP_ALL 2 /* unloop all loops */ 333#define EVUNLOOP_ALL 2 /* unloop all loops */
308 334
309#if EV_PROTOTYPES 335#if EV_PROTOTYPES
310void ev_loop (EV_P_ int flags); 336void ev_loop (EV_P_ int flags);
311void 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 */ 337void 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 */
… …
338#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) 364#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)
339#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ 365#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */
340#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ 366#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */
341#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ 367#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */
342#define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0) 368#define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0)
369#define ev_embed_set(ev,loop_) do { (ev)->loop = (loop_); } while (0)
343 370
344#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) 371#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
345#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) 372#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)
346#define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0) 373#define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0)
347#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0) 374#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)
348#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) 375#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)
349#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) 376#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
350#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0) 377#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)
351#define ev_child_init(ev,cb,pid) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0) 378#define ev_child_init(ev,cb,pid) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0)
379#define ev_embed_init(ev,cb,loop) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(loop)); } while (0)
352 380
353#define ev_is_pending(ev) (0 + ((struct ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ 381#define ev_is_pending(ev) (0 + ((struct ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */
354#define ev_is_active(ev) (0 + ((struct ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ 382#define ev_is_active(ev) (0 + ((struct ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */
355 383
356#define ev_priority(ev) ((struct ev_watcher *)(void *)(ev))->priority /* rw */ 384#define ev_priority(ev) ((struct ev_watcher *)(void *)(ev))->priority /* rw */
… …
399void ev_signal_stop (EV_P_ struct ev_signal *w); 427void ev_signal_stop (EV_P_ struct ev_signal *w);
400 428
401/* only supported in the default loop */ 429/* only supported in the default loop */
402void ev_child_start (EV_P_ struct ev_child *w); 430void ev_child_start (EV_P_ struct ev_child *w);
403void ev_child_stop (EV_P_ struct ev_child *w); 431void ev_child_stop (EV_P_ struct ev_child *w);
432
433# if EV_MULTIPLICITY
434/* only supported when loop to be embedded is in fact embeddable */
435void ev_embed_start (EV_P_ struct ev_embed *w);
436void ev_embed_stop (EV_P_ struct ev_embed *w);
437# endif
438
404#endif 439#endif
405 440
406#ifdef __cplusplus 441#ifdef __cplusplus
407} 442}
408#endif 443#endif

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