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Comparing libev/ev.h (file contents):
Revision 1.144 by root, Fri Oct 22 06:02:27 2010 UTC vs.
Revision 1.147 by root, Fri Oct 22 09:24:11 2010 UTC

… …
39 39
40#ifndef EV_H_ 40#ifndef EV_H_
41#define EV_H_ 41#define EV_H_
42 42
43#ifdef __cplusplus 43#ifdef __cplusplus
44# define EV_CPP(x) x
45#else
46# define EV_CPP(x)
47#endif
48
44extern "C" { 49EV_CPP(extern "C" {)
45#endif
46 50
47/*****************************************************************************/ 51/*****************************************************************************/
48 52
49/* pre-4.0 compatibility */ 53/* pre-4.0 compatibility */
50#ifndef EV_COMPAT3 54#ifndef EV_COMPAT3
… …
145# include <sys/types.h> 149# include <sys/types.h>
146# endif 150# endif
147# include <sys/stat.h> 151# include <sys/stat.h>
148#endif 152#endif
149 153
150#ifdef __cplusplus
151# define EV_DEFARG(x) = x
152#else
153# define EV_DEFARG(x)
154#endif
155
156/* support multiple event loops? */ 154/* support multiple event loops? */
157#if EV_MULTIPLICITY 155#if EV_MULTIPLICITY
158struct ev_loop; 156struct ev_loop;
159# define EV_P struct ev_loop *loop 157# define EV_P struct ev_loop *loop /* a loop as sole parameter in a declaration */
160# define EV_P_ EV_P, 158# define EV_P_ EV_P, /* a loop as first of multiple parameters */
161# define EV_A loop 159# define EV_A loop /* a loop as sole argument to a function call */
162# define EV_A_ EV_A, 160# define EV_A_ EV_A, /* a loop as first of multiple arguments */
163# define EV_DEFAULT_UC ev_default_loop_uc () 161# define EV_DEFAULT_UC ev_default_loop_uc () /* the default loop, if initialised, as sole arg */
164# define EV_DEFAULT_UC_ EV_DEFAULT_UC, 162# define EV_DEFAULT_UC_ EV_DEFAULT_UC, /* the default loop as first of multiple arguments */
165# define EV_DEFAULT ev_default_loop (0) 163# define EV_DEFAULT ev_default_loop (0) /* the default loop as sole arg */
166# define EV_DEFAULT_ EV_DEFAULT, 164# define EV_DEFAULT_ EV_DEFAULT, /* the default loop as first of multiple arguments */
167# define EV_PDEF EV_P EV_DEFARG (EV_DEFAULT_UC)
168#else 165#else
169# define EV_P void 166# define EV_P void
170# define EV_P_ 167# define EV_P_
171# define EV_A 168# define EV_A
172# define EV_A_ 169# define EV_A_
173# define EV_DEFAULT 170# define EV_DEFAULT
174# define EV_DEFAULT_ 171# define EV_DEFAULT_
175# define EV_DEFAULT_UC 172# define EV_DEFAULT_UC
176# define EV_DEFAULT_UC_ 173# define EV_DEFAULT_UC_
177# define EV_PDEF EV_P
178# undef EV_EMBED_ENABLE 174# undef EV_EMBED_ENABLE
179#endif 175#endif
180 176
177/* EV_INLINE is used for functions in header files */
181#if __STDC_VERSION__ >= 199901L || __GNUC__ >= 3 178#if __STDC_VERSION__ >= 199901L || __GNUC__ >= 3
182# define EV_INLINE static inline 179# define EV_INLINE static inline
183#else 180#else
184# define EV_INLINE static 181# define EV_INLINE static
185#endif 182#endif
186 183
184/* EV_PROTOTYPES can be sued to switch of prototype declarations */
187#ifndef EV_PROTOTYPES 185#ifndef EV_PROTOTYPES
188# define EV_PROTOTYPES 1 186# define EV_PROTOTYPES 1
189#endif 187#endif
190 188
191/*****************************************************************************/ 189/*****************************************************************************/
… …
521} 519}
522 520
523/* the default loop is the only one that handles signals and child watchers */ 521/* the default loop is the only one that handles signals and child watchers */
524/* you can call this as often as you like */ 522/* you can call this as often as you like */
525EV_INLINE struct ev_loop * 523EV_INLINE struct ev_loop *
526ev_default_loop (unsigned int flags EV_DEFARG (0)) 524ev_default_loop (unsigned int flags EV_CPP (= 0))
527{ 525{
528 struct ev_loop *loop = ev_default_loop_uc (); 526 struct ev_loop *loop = ev_default_loop_uc ();
529 527
530 if (!loop) 528 if (!loop)
531 { 529 {
… …
536 534
537 return loop; 535 return loop;
538} 536}
539 537
540/* create and destroy alternative loops that don't handle signals */ 538/* create and destroy alternative loops that don't handle signals */
541struct ev_loop *ev_loop_new (unsigned int flags EV_DEFARG (0)); 539struct ev_loop *ev_loop_new (unsigned int flags EV_CPP (= 0));
542void ev_loop_destroy (EV_PDEF); 540void ev_loop_destroy (EV_P);
543void ev_loop_fork (EV_PDEF); 541void ev_loop_fork (EV_P);
544 542
545ev_tstamp ev_now (EV_PDEF); /* time w.r.t. timers and the eventloop, updated after each poll */ 543ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */
546 544
547#else 545#else
548 546
549int ev_default_loop (unsigned int flags EV_DEFARG (0)); /* returns true when successful */ 547int ev_default_loop (unsigned int flags EV_CPP (= 0)); /* returns true when successful */
550 548
551EV_INLINE ev_tstamp 549EV_INLINE ev_tstamp
552ev_now (void) 550ev_now (void)
553{ 551{
554 extern ev_tstamp ev_rt_now; 552 extern ev_tstamp ev_rt_now;
… …
556 return ev_rt_now; 554 return ev_rt_now;
557} 555}
558#endif /* multiplicity */ 556#endif /* multiplicity */
559 557
560EV_INLINE int 558EV_INLINE int
561ev_is_default_loop (EV_PDEF) 559ev_is_default_loop (EV_P)
562{ 560{
563#if EV_MULTIPLICITY 561#if EV_MULTIPLICITY
564 extern struct ev_loop *ev_default_loop_ptr; 562 extern struct ev_loop *ev_default_loop_ptr;
565 563
566 return !!(EV_A == ev_default_loop_ptr); 564 return !!(EV_A == ev_default_loop_ptr);
… …
574/* if you create alternative loops you have to call ev_loop_fork on them */ 572/* if you create alternative loops you have to call ev_loop_fork on them */
575/* you can call it in either the parent or the child */ 573/* you can call it in either the parent or the child */
576/* you can actually call it at any time, anywhere :) */ 574/* you can actually call it at any time, anywhere :) */
577void ev_default_fork (void); 575void ev_default_fork (void);
578 576
579unsigned int ev_backend (EV_PDEF); /* backend in use by loop */ 577unsigned int ev_backend (EV_P); /* backend in use by loop */
580 578
581void ev_now_update (EV_PDEF); /* update event loop time */ 579void ev_now_update (EV_P); /* update event loop time */
582 580
583#if EV_WALK_ENABLE 581#if EV_WALK_ENABLE
584/* walk (almost) all watchers in the loop of a given type, invoking the */ 582/* walk (almost) all watchers in the loop of a given type, invoking the */
585/* callback on every such watcher. The callback might stop the watcher, */ 583/* callback on every such watcher. The callback might stop the watcher, */
586/* but do nothing else with the loop */ 584/* but do nothing else with the loop */
… …
601 EVBREAK_ONE = 1, /* unloop once */ 599 EVBREAK_ONE = 1, /* unloop once */
602 EVBREAK_ALL = 2 /* unloop all loops */ 600 EVBREAK_ALL = 2 /* unloop all loops */
603}; 601};
604 602
605#if EV_PROTOTYPES 603#if EV_PROTOTYPES
606void ev_run (EV_P_ int flags EV_DEFARG (0)); 604void ev_run (EV_P_ int flags EV_CPP (= 0));
607void ev_break (EV_P_ int how EV_DEFARG (EVBREAK_ONE)); /* break out of the loop */ 605void ev_break (EV_P_ int how EV_CPP (= EVBREAK_ONE)); /* break out of the loop */
608 606
609/* 607/*
610 * ref/unref can be used to add or remove a refcount on the mainloop. every watcher 608 * ref/unref can be used to add or remove a refcount on the mainloop. every watcher
611 * keeps one reference. if you have a long-running watcher you never unregister that 609 * keeps one reference. if you have a long-running watcher you never unregister that
612 * should not keep ev_loop from running, unref() after starting, and ref() before stopping. 610 * should not keep ev_loop from running, unref() after starting, and ref() before stopping.
613 */ 611 */
614void ev_ref (EV_PDEF); 612void ev_ref (EV_P);
615void ev_unref (EV_PDEF); 613void ev_unref (EV_P);
616 614
617/* 615/*
618 * convenience function, wait for a single event, without registering an event watcher 616 * convenience function, wait for a single event, without registering an event watcher
619 * if timeout is < 0, do wait indefinitely 617 * if timeout is < 0, do wait indefinitely
620 */ 618 */
621void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); 619void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg);
622 620
623# if EV_FEATURE_API 621# if EV_FEATURE_API
624unsigned int ev_iteration (EV_PDEF); /* number of loop iterations */ 622unsigned int ev_iteration (EV_P); /* number of loop iterations */
625unsigned int ev_depth (EV_PDEF); /* #ev_loop enters - #ev_loop leaves */ 623unsigned int ev_depth (EV_P); /* #ev_loop enters - #ev_loop leaves */
626void ev_verify (EV_PDEF); /* abort if loop data corrupted */ 624void ev_verify (EV_P); /* abort if loop data corrupted */
627 625
628void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */ 626void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
629void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */ 627void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
630 628
631/* advanced stuff for threading etc. support, see docs */ 629/* advanced stuff for threading etc. support, see docs */
632void ev_set_userdata (EV_P_ void *data); 630void ev_set_userdata (EV_P_ void *data);
633void *ev_userdata (EV_PDEF); 631void *ev_userdata (EV_P);
634void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)); 632void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P));
635void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)); 633void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P));
636 634
637unsigned int ev_pending_count (EV_PDEF); /* number of pending events, if any */ 635unsigned int ev_pending_count (EV_P); /* number of pending events, if any */
638void ev_invoke_pending (EV_PDEF); /* invoke all pending watchers */ 636void ev_invoke_pending (EV_P); /* invoke all pending watchers */
639 637
640/* 638/*
641 * stop/start the timer handling. 639 * stop/start the timer handling.
642 */ 640 */
643void ev_suspend (EV_PDEF); 641void ev_suspend (EV_P);
644void ev_resume (EV_PDEF); 642void ev_resume (EV_P);
645#endif 643#endif
646 644
647#endif 645#endif
648 646
649/* these may evaluate ev multiple times, and the other arguments at most once */ 647/* these may evaluate ev multiple times, and the other arguments at most once */
… …
800 typedef struct ev_loop ev_loop; 798 typedef struct ev_loop ev_loop;
801#endif 799#endif
802 800
803#endif 801#endif
804 802
805#ifdef __cplusplus 803EV_CPP(})
806}
807#endif
808 804
809#endif 805#endif
810 806

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