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Comparing libev/ev.h (file contents):
Revision 1.146 by root, Fri Oct 22 06:14:28 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
… …
143# ifdef _WIN32 147# ifdef _WIN32
144# include <time.h> 148# include <time.h>
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
149
150/* in C++ we can use this to provide default arguments */
151#ifdef __cplusplus
152# define EV_DEFARG(x) = x
153#else
154# define EV_DEFARG(x)
155#endif 152#endif
156 153
157/* support multiple event loops? */ 154/* support multiple event loops? */
158#if EV_MULTIPLICITY 155#if EV_MULTIPLICITY
159struct ev_loop; 156struct ev_loop;
… …
163# define EV_A_ EV_A, /* a loop as first of multiple arguments */ 160# define EV_A_ EV_A, /* a loop as first of multiple arguments */
164# define EV_DEFAULT_UC ev_default_loop_uc () /* the default loop, if initialised, as sole arg */ 161# define EV_DEFAULT_UC ev_default_loop_uc () /* the default loop, if initialised, as sole arg */
165# define EV_DEFAULT_UC_ EV_DEFAULT_UC, /* the default loop as first of multiple arguments */ 162# define EV_DEFAULT_UC_ EV_DEFAULT_UC, /* the default loop as first of multiple arguments */
166# define EV_DEFAULT ev_default_loop (0) /* the default loop as sole arg */ 163# define EV_DEFAULT ev_default_loop (0) /* the default loop as sole arg */
167# define EV_DEFAULT_ EV_DEFAULT, /* the default loop as first of multiple arguments */ 164# define EV_DEFAULT_ EV_DEFAULT, /* the default loop as first of multiple arguments */
168# define EV_PDEF EV_P EV_DEFARG (EV_DEFAULT_UC) /* EV_P, but with default argument in C++ */
169# define EV_PDEF_ EV_P EV_DEFARG (EV_DEFAULT_UC), /* EV_P_, but with default argument in C++ */
170#else 165#else
171# define EV_P void 166# define EV_P void
172# define EV_P_ 167# define EV_P_
173# define EV_A 168# define EV_A
174# define EV_A_ 169# define EV_A_
175# define EV_DEFAULT 170# define EV_DEFAULT
176# define EV_DEFAULT_ 171# define EV_DEFAULT_
177# define EV_DEFAULT_UC 172# define EV_DEFAULT_UC
178# define EV_DEFAULT_UC_ 173# define EV_DEFAULT_UC_
179# define EV_PDEF EV_P
180# define EV_PDEF_ EV_P_
181# undef EV_EMBED_ENABLE 174# undef EV_EMBED_ENABLE
182#endif 175#endif
183 176
184/* EV_INLINE is used for functions in header files */ 177/* EV_INLINE is used for functions in header files */
185#if __STDC_VERSION__ >= 199901L || __GNUC__ >= 3 178#if __STDC_VERSION__ >= 199901L || __GNUC__ >= 3
… …
526} 519}
527 520
528/* 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 */
529/* you can call this as often as you like */ 522/* you can call this as often as you like */
530EV_INLINE struct ev_loop * 523EV_INLINE struct ev_loop *
531ev_default_loop (unsigned int flags EV_DEFARG (0)) 524ev_default_loop (unsigned int flags EV_CPP (= 0))
532{ 525{
533 struct ev_loop *loop = ev_default_loop_uc (); 526 struct ev_loop *loop = ev_default_loop_uc ();
534 527
535 if (!loop) 528 if (!loop)
536 { 529 {
… …
541 534
542 return loop; 535 return loop;
543} 536}
544 537
545/* create and destroy alternative loops that don't handle signals */ 538/* create and destroy alternative loops that don't handle signals */
546struct ev_loop *ev_loop_new (unsigned int flags EV_DEFARG (0)); 539struct ev_loop *ev_loop_new (unsigned int flags EV_CPP (= 0));
547void ev_loop_destroy (EV_PDEF); 540void ev_loop_destroy (EV_P);
548void ev_loop_fork (EV_PDEF); 541void ev_loop_fork (EV_P);
549 542
550ev_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 */
551 544
552#else 545#else
553 546
554int 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 */
555 548
556EV_INLINE ev_tstamp 549EV_INLINE ev_tstamp
557ev_now (void) 550ev_now (void)
558{ 551{
559 extern ev_tstamp ev_rt_now; 552 extern ev_tstamp ev_rt_now;
… …
561 return ev_rt_now; 554 return ev_rt_now;
562} 555}
563#endif /* multiplicity */ 556#endif /* multiplicity */
564 557
565EV_INLINE int 558EV_INLINE int
566ev_is_default_loop (EV_PDEF) 559ev_is_default_loop (EV_P)
567{ 560{
568#if EV_MULTIPLICITY 561#if EV_MULTIPLICITY
569 extern struct ev_loop *ev_default_loop_ptr; 562 extern struct ev_loop *ev_default_loop_ptr;
570 563
571 return !!(EV_A == ev_default_loop_ptr); 564 return !!(EV_A == ev_default_loop_ptr);
… …
579/* 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 */
580/* you can call it in either the parent or the child */ 573/* you can call it in either the parent or the child */
581/* you can actually call it at any time, anywhere :) */ 574/* you can actually call it at any time, anywhere :) */
582void ev_default_fork (void); 575void ev_default_fork (void);
583 576
584unsigned int ev_backend (EV_PDEF); /* backend in use by loop */ 577unsigned int ev_backend (EV_P); /* backend in use by loop */
585 578
586void ev_now_update (EV_PDEF); /* update event loop time */ 579void ev_now_update (EV_P); /* update event loop time */
587 580
588#if EV_WALK_ENABLE 581#if EV_WALK_ENABLE
589/* 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 */
590/* callback on every such watcher. The callback might stop the watcher, */ 583/* callback on every such watcher. The callback might stop the watcher, */
591/* but do nothing else with the loop */ 584/* but do nothing else with the loop */
… …
606 EVBREAK_ONE = 1, /* unloop once */ 599 EVBREAK_ONE = 1, /* unloop once */
607 EVBREAK_ALL = 2 /* unloop all loops */ 600 EVBREAK_ALL = 2 /* unloop all loops */
608}; 601};
609 602
610#if EV_PROTOTYPES 603#if EV_PROTOTYPES
611void ev_run (EV_PDEF_ int flags EV_DEFARG (0)); 604void ev_run (EV_P_ int flags EV_CPP (= 0));
612void ev_break (EV_PDEF_ 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 */
613 606
614/* 607/*
615 * 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
616 * 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
617 * 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.
618 */ 611 */
619void ev_ref (EV_PDEF); 612void ev_ref (EV_P);
620void ev_unref (EV_PDEF); 613void ev_unref (EV_P);
621 614
622/* 615/*
623 * 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
624 * if timeout is < 0, do wait indefinitely 617 * if timeout is < 0, do wait indefinitely
625 */ 618 */
626void 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);
627 620
628# if EV_FEATURE_API 621# if EV_FEATURE_API
629unsigned int ev_iteration (EV_PDEF); /* number of loop iterations */ 622unsigned int ev_iteration (EV_P); /* number of loop iterations */
630unsigned int ev_depth (EV_PDEF); /* #ev_loop enters - #ev_loop leaves */ 623unsigned int ev_depth (EV_P); /* #ev_loop enters - #ev_loop leaves */
631void ev_verify (EV_PDEF); /* abort if loop data corrupted */ 624void ev_verify (EV_P); /* abort if loop data corrupted */
632 625
633void 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 */
634void 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 */
635 628
636/* advanced stuff for threading etc. support, see docs */ 629/* advanced stuff for threading etc. support, see docs */
637void ev_set_userdata (EV_P_ void *data); 630void ev_set_userdata (EV_P_ void *data);
638void *ev_userdata (EV_PDEF); 631void *ev_userdata (EV_P);
639void 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));
640void 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));
641 634
642unsigned 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 */
643void ev_invoke_pending (EV_PDEF); /* invoke all pending watchers */ 636void ev_invoke_pending (EV_P); /* invoke all pending watchers */
644 637
645/* 638/*
646 * stop/start the timer handling. 639 * stop/start the timer handling.
647 */ 640 */
648void ev_suspend (EV_PDEF); 641void ev_suspend (EV_P);
649void ev_resume (EV_PDEF); 642void ev_resume (EV_P);
650#endif 643#endif
651 644
652#endif 645#endif
653 646
654/* 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 */
… …
805 typedef struct ev_loop ev_loop; 798 typedef struct ev_loop ev_loop;
806#endif 799#endif
807 800
808#endif 801#endif
809 802
810#ifdef __cplusplus 803EV_CPP(})
811}
812#endif
813 804
814#endif 805#endif
815 806

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