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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 1.164 by root, Sat Feb 4 18:55:50 2012 UTC

1/* 1/*
2 * libev native API header 2 * libev native API header
3 * 3 *
4 * Copyright (c) 2007,2008,2009,2010 Marc Alexander Lehmann <libev@schmorp.de> 4 * Copyright (c) 2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann <libev@schmorp.de>
5 * All rights reserved. 5 * All rights reserved.
6 * 6 *
7 * Redistribution and use in source and binary forms, with or without modifica- 7 * Redistribution and use in source and binary forms, with or without modifica-
8 * tion, are permitted provided that the following conditions are met: 8 * tion, are permitted provided that the following conditions are met:
9 * 9 *
10 * 1. Redistributions of source code must retain the above copyright notice, 10 * 1. Redistributions of source code must retain the above copyright notice,
11 * this list of conditions and the following disclaimer. 11 * this list of conditions and the following disclaimer.
12 * 12 *
13 * 2. Redistributions in binary form must reproduce the above copyright 13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the 14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution. 15 * documentation and/or other materials provided with the distribution.
16 * 16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
18 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER- 18 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER-
19 * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO 19 * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
20 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE- 20 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE-
21 * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 21 * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
… …
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
… …
97 101
98#ifndef EV_FORK_ENABLE 102#ifndef EV_FORK_ENABLE
99# define EV_FORK_ENABLE EV_FEATURE_WATCHERS 103# define EV_FORK_ENABLE EV_FEATURE_WATCHERS
100#endif 104#endif
101 105
106#ifndef EV_CLEANUP_ENABLE
107# define EV_CLEANUP_ENABLE EV_FEATURE_WATCHERS
108#endif
109
102#ifndef EV_SIGNAL_ENABLE 110#ifndef EV_SIGNAL_ENABLE
103# define EV_SIGNAL_ENABLE EV_FEATURE_WATCHERS 111# define EV_SIGNAL_ENABLE EV_FEATURE_WATCHERS
104#endif 112#endif
105 113
106#ifndef EV_CHILD_ENABLE 114#ifndef EV_CHILD_ENABLE
… …
143# ifdef _WIN32 151# ifdef _WIN32
144# include <time.h> 152# include <time.h>
145# include <sys/types.h> 153# include <sys/types.h>
146# endif 154# endif
147# include <sys/stat.h> 155# 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 156#endif
156 157
157/* support multiple event loops? */ 158/* support multiple event loops? */
158#if EV_MULTIPLICITY 159#if EV_MULTIPLICITY
159struct ev_loop; 160struct ev_loop;
160# define EV_P struct ev_loop *loop /* a loop as sole parameter in a declaration */ 161# define EV_P struct ev_loop *loop /* a loop as sole parameter in a declaration */
161# define EV_P_ EV_P, /* a loop as first of multiple parameters */ 162# define EV_P_ EV_P, /* a loop as first of multiple parameters */
162# define EV_A loop /* a loop as sole argument to a function call */ 163# define EV_A loop /* a loop as sole argument to a function call */
163# define EV_A_ EV_A, /* a loop as first of multiple arguments */ 164# 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 */ 165# 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 */ 166# 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 */ 167# 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 */ 168# 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 169#else
171# define EV_P void 170# define EV_P void
172# define EV_P_ 171# define EV_P_
173# define EV_A 172# define EV_A
174# define EV_A_ 173# define EV_A_
175# define EV_DEFAULT 174# define EV_DEFAULT
176# define EV_DEFAULT_ 175# define EV_DEFAULT_
177# define EV_DEFAULT_UC 176# define EV_DEFAULT_UC
178# define EV_DEFAULT_UC_ 177# define EV_DEFAULT_UC_
179# define EV_PDEF EV_P
180# define EV_PDEF_ EV_P_
181# undef EV_EMBED_ENABLE 178# undef EV_EMBED_ENABLE
182#endif 179#endif
183 180
184/* EV_INLINE is used for functions in header files */ 181/* EV_INLINE is used for functions in header files */
185#if __STDC_VERSION__ >= 199901L || __GNUC__ >= 3 182#if __STDC_VERSION__ >= 199901L || __GNUC__ >= 3
186# define EV_INLINE static inline 183# define EV_INLINE static inline
187#else 184#else
188# define EV_INLINE static 185# define EV_INLINE static
189#endif 186#endif
190 187
188#ifdef EV_API_STATIC
189# define EV_API_DECL static
190#else
191# define EV_API_DECL extern
192#endif
193
191/* EV_PROTOTYPES can be sued to switch of prototype declarations */ 194/* EV_PROTOTYPES can be used to switch of prototype declarations */
192#ifndef EV_PROTOTYPES 195#ifndef EV_PROTOTYPES
193# define EV_PROTOTYPES 1 196# define EV_PROTOTYPES 1
194#endif 197#endif
195 198
196/*****************************************************************************/ 199/*****************************************************************************/
197 200
198#define EV_VERSION_MAJOR 4 201#define EV_VERSION_MAJOR 4
199#define EV_VERSION_MINOR 0 202#define EV_VERSION_MINOR 11
200 203
201/* eventmask, revents, events... */ 204/* eventmask, revents, events... */
202enum { 205enum {
203 EV_UNDEF = -1, /* guaranteed to be invalid */ 206 EV_UNDEF = 0xFFFFFFFF, /* guaranteed to be invalid */
204 EV_NONE = 0x00, /* no events */ 207 EV_NONE = 0x00, /* no events */
205 EV_READ = 0x01, /* ev_io detected read will not block */ 208 EV_READ = 0x01, /* ev_io detected read will not block */
206 EV_WRITE = 0x02, /* ev_io detected write will not block */ 209 EV_WRITE = 0x02, /* ev_io detected write will not block */
207 EV__IOFDSET = 0x80, /* internal use only */ 210 EV__IOFDSET = 0x80, /* internal use only */
208 EV_IO = EV_READ, /* alias for type-detection */ 211 EV_IO = EV_READ, /* alias for type-detection */
… …
217 EV_IDLE = 0x00002000, /* event loop is idling */ 220 EV_IDLE = 0x00002000, /* event loop is idling */
218 EV_PREPARE = 0x00004000, /* event loop about to poll */ 221 EV_PREPARE = 0x00004000, /* event loop about to poll */
219 EV_CHECK = 0x00008000, /* event loop finished poll */ 222 EV_CHECK = 0x00008000, /* event loop finished poll */
220 EV_EMBED = 0x00010000, /* embedded event loop needs sweep */ 223 EV_EMBED = 0x00010000, /* embedded event loop needs sweep */
221 EV_FORK = 0x00020000, /* event loop resumed in child */ 224 EV_FORK = 0x00020000, /* event loop resumed in child */
225 EV_CLEANUP = 0x00040000, /* event loop resumed in child */
222 EV_ASYNC = 0x00040000, /* async intra-loop signal */ 226 EV_ASYNC = 0x00080000, /* async intra-loop signal */
223 EV_CUSTOM = 0x01000000, /* for use by user code */ 227 EV_CUSTOM = 0x01000000, /* for use by user code */
224 EV_ERROR = 0x80000000 /* sent when an error occurs */ 228 EV_ERROR = 0x80000000 /* sent when an error occurs */
225}; 229};
226 230
227/* can be used to add custom fields to all watchers, while losing binary compatibility */ 231/* can be used to add custom fields to all watchers, while losing binary compatibility */
… …
396 EV_WATCHER (ev_check) 400 EV_WATCHER (ev_check)
397} ev_check; 401} ev_check;
398 402
399#if EV_FORK_ENABLE 403#if EV_FORK_ENABLE
400/* the callback gets invoked before check in the child process when a fork was detected */ 404/* the callback gets invoked before check in the child process when a fork was detected */
405/* revent EV_FORK */
401typedef struct ev_fork 406typedef struct ev_fork
402{ 407{
403 EV_WATCHER (ev_fork) 408 EV_WATCHER (ev_fork)
404} ev_fork; 409} ev_fork;
410#endif
411
412#if EV_CLEANUP_ENABLE
413/* is invoked just before the loop gets destroyed */
414/* revent EV_CLEANUP */
415typedef struct ev_cleanup
416{
417 EV_WATCHER (ev_cleanup)
418} ev_cleanup;
405#endif 419#endif
406 420
407#if EV_EMBED_ENABLE 421#if EV_EMBED_ENABLE
408/* used to embed an event loop inside another */ 422/* used to embed an event loop inside another */
409/* the callback gets invoked when the event loop has handled events, and can be 0 */ 423/* the callback gets invoked when the event loop has handled events, and can be 0 */
… …
417 ev_check check; /* unused */ 431 ev_check check; /* unused */
418 ev_timer timer; /* unused */ 432 ev_timer timer; /* unused */
419 ev_periodic periodic; /* unused */ 433 ev_periodic periodic; /* unused */
420 ev_idle idle; /* unused */ 434 ev_idle idle; /* unused */
421 ev_fork fork; /* private */ 435 ev_fork fork; /* private */
436#if EV_CLEANUP_ENABLE
437 ev_cleanup cleanup; /* unused */
438#endif
422} ev_embed; 439} ev_embed;
423#endif 440#endif
424 441
425#if EV_ASYNC_ENABLE 442#if EV_ASYNC_ENABLE
426/* invoked when somebody calls ev_async_send on the watcher */ 443/* invoked when somebody calls ev_async_send on the watcher */
… …
454#endif 471#endif
455 struct ev_prepare prepare; 472 struct ev_prepare prepare;
456 struct ev_check check; 473 struct ev_check check;
457#if EV_FORK_ENABLE 474#if EV_FORK_ENABLE
458 struct ev_fork fork; 475 struct ev_fork fork;
476#endif
477#if EV_CLEANUP_ENABLE
478 struct ev_cleanup cleanup;
459#endif 479#endif
460#if EV_EMBED_ENABLE 480#if EV_EMBED_ENABLE
461 struct ev_embed embed; 481 struct ev_embed embed;
462#endif 482#endif
463#if EV_ASYNC_ENABLE 483#if EV_ASYNC_ENABLE
… …
475 /* debugging/feature disable */ 495 /* debugging/feature disable */
476 EVFLAG_NOINOTIFY = 0x00100000U, /* do not attempt to use inotify */ 496 EVFLAG_NOINOTIFY = 0x00100000U, /* do not attempt to use inotify */
477#if EV_COMPAT3 497#if EV_COMPAT3
478 EVFLAG_NOSIGFD = 0, /* compatibility to pre-3.9 */ 498 EVFLAG_NOSIGFD = 0, /* compatibility to pre-3.9 */
479#endif 499#endif
480 EVFLAG_SIGNALFD = 0x00200000U /* attempt to use signalfd */ 500 EVFLAG_SIGNALFD = 0x00200000U, /* attempt to use signalfd */
501 EVFLAG_NOSIGMASK = 0x00400000U /* avoid modifying the signal mask */
481}; 502};
482 503
483/* method bits to be ored together */ 504/* method bits to be ored together */
484enum { 505enum {
485 EVBACKEND_SELECT = 0x00000001U, /* about anywhere */ 506 EVBACKEND_SELECT = 0x00000001U, /* about anywhere */
486 EVBACKEND_POLL = 0x00000002U, /* !win */ 507 EVBACKEND_POLL = 0x00000002U, /* !win */
487 EVBACKEND_EPOLL = 0x00000004U, /* linux */ 508 EVBACKEND_EPOLL = 0x00000004U, /* linux */
488 EVBACKEND_KQUEUE = 0x00000008U, /* bsd */ 509 EVBACKEND_KQUEUE = 0x00000008U, /* bsd */
489 EVBACKEND_DEVPOLL = 0x00000010U, /* solaris 8 */ /* NYI */ 510 EVBACKEND_DEVPOLL = 0x00000010U, /* solaris 8 */ /* NYI */
490 EVBACKEND_PORT = 0x00000020U, /* solaris 10 */ 511 EVBACKEND_PORT = 0x00000020U, /* solaris 10 */
491 EVBACKEND_ALL = 0x0000003FU 512 EVBACKEND_ALL = 0x0000003FU, /* all known backends */
513 EVBACKEND_MASK = 0x0000FFFFU /* all future backends */
492}; 514};
493 515
494#if EV_PROTOTYPES 516#if EV_PROTOTYPES
495int ev_version_major (void); 517EV_API_DECL int ev_version_major (void);
496int ev_version_minor (void); 518EV_API_DECL int ev_version_minor (void);
497 519
498unsigned int ev_supported_backends (void); 520EV_API_DECL unsigned int ev_supported_backends (void);
499unsigned int ev_recommended_backends (void); 521EV_API_DECL unsigned int ev_recommended_backends (void);
500unsigned int ev_embeddable_backends (void); 522EV_API_DECL unsigned int ev_embeddable_backends (void);
501 523
502ev_tstamp ev_time (void); 524EV_API_DECL ev_tstamp ev_time (void);
503void ev_sleep (ev_tstamp delay); /* sleep for a while */ 525EV_API_DECL void ev_sleep (ev_tstamp delay); /* sleep for a while */
504 526
505/* Sets the allocation function to use, works like realloc. 527/* Sets the allocation function to use, works like realloc.
506 * It is used to allocate and free memory. 528 * It is used to allocate and free memory.
507 * If it returns zero when memory needs to be allocated, the library might abort 529 * If it returns zero when memory needs to be allocated, the library might abort
508 * or take some potentially destructive action. 530 * or take some potentially destructive action.
509 * The default is your system realloc function. 531 * The default is your system realloc function.
510 */ 532 */
511void ev_set_allocator (void *(*cb)(void *ptr, long size)); 533EV_API_DECL void ev_set_allocator (void *(*cb)(void *ptr, long size));
512 534
513/* set the callback function to call on a 535/* set the callback function to call on a
514 * retryable syscall error 536 * retryable syscall error
515 * (such as failed select, poll, epoll_wait) 537 * (such as failed select, poll, epoll_wait)
516 */ 538 */
517void ev_set_syserr_cb (void (*cb)(const char *msg)); 539EV_API_DECL void ev_set_syserr_cb (void (*cb)(const char *msg));
518 540
519#if EV_MULTIPLICITY 541#if EV_MULTIPLICITY
542
543/* the default loop is the only one that handles signals and child watchers */
544/* you can call this as often as you like */
545EV_API_DECL struct ev_loop *ev_default_loop (unsigned int flags EV_CPP (= 0));
546
547#ifdef EV_API_STATIC
548EV_API_DECL struct ev_loop *ev_default_loop_ptr;
549#endif
550
520EV_INLINE struct ev_loop * 551EV_INLINE struct ev_loop *
521ev_default_loop_uc (void) 552ev_default_loop_uc_ (void)
522{ 553{
523 extern struct ev_loop *ev_default_loop_ptr; 554 extern struct ev_loop *ev_default_loop_ptr;
524 555
525 return ev_default_loop_ptr; 556 return ev_default_loop_ptr;
526} 557}
527 558
528/* the default loop is the only one that handles signals and child watchers */ 559EV_INLINE int
529/* you can call this as often as you like */ 560ev_is_default_loop (EV_P)
530EV_INLINE struct ev_loop *
531ev_default_loop (unsigned int flags EV_DEFARG (0))
532{ 561{
533 struct ev_loop *loop = ev_default_loop_uc (); 562 return EV_A == EV_DEFAULT_UC;
534
535 if (!loop)
536 {
537 extern struct ev_loop *ev_default_loop_init (unsigned int flags);
538
539 loop = ev_default_loop_init (flags);
540 }
541
542 return loop;
543} 563}
544 564
545/* create and destroy alternative loops that don't handle signals */ 565/* create and destroy alternative loops that don't handle signals */
546struct ev_loop *ev_loop_new (unsigned int flags EV_DEFARG (0)); 566EV_API_DECL struct ev_loop *ev_loop_new (unsigned int flags EV_CPP (= 0));
547void ev_loop_destroy (EV_PDEF);
548void ev_loop_fork (EV_PDEF);
549 567
550ev_tstamp ev_now (EV_PDEF); /* time w.r.t. timers and the eventloop, updated after each poll */ 568EV_API_DECL ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */
551 569
552#else 570#else
553 571
554int ev_default_loop (unsigned int flags EV_DEFARG (0)); /* returns true when successful */ 572EV_API_DECL int ev_default_loop (unsigned int flags EV_CPP (= 0)); /* returns true when successful */
573
574EV_API_DECL ev_tstamp ev_rt_now;
555 575
556EV_INLINE ev_tstamp 576EV_INLINE ev_tstamp
557ev_now (void) 577ev_now (void)
558{ 578{
559 extern ev_tstamp ev_rt_now;
560
561 return ev_rt_now; 579 return ev_rt_now;
562} 580}
581
582/* looks weird, but ev_is_default_loop (EV_A) still works if this exists */
583EV_INLINE int
584ev_is_default_loop (void)
585{
586 return 1;
587}
588
563#endif /* multiplicity */ 589#endif /* multiplicity */
564 590
565EV_INLINE int 591/* destroy event loops, also works for the default loop */
566ev_is_default_loop (EV_PDEF) 592EV_API_DECL void ev_loop_destroy (EV_P);
567{
568#if EV_MULTIPLICITY
569 extern struct ev_loop *ev_default_loop_ptr;
570 593
571 return !!(EV_A == ev_default_loop_ptr);
572#else
573 return 1;
574#endif
575}
576
577void ev_default_destroy (void); /* destroy the default loop */
578/* this needs to be called after fork, to duplicate the default loop */ 594/* this needs to be called after fork, to duplicate the loop */
579/* if you create alternative loops you have to call ev_loop_fork on them */ 595/* when you want to re-use it in the child */
580/* you can call it in either the parent or the child */ 596/* you can call it in either the parent or the child */
581/* you can actually call it at any time, anywhere :) */ 597/* you can actually call it at any time, anywhere :) */
582void ev_default_fork (void); 598EV_API_DECL void ev_loop_fork (EV_P);
583 599
584unsigned int ev_backend (EV_PDEF); /* backend in use by loop */ 600EV_API_DECL unsigned int ev_backend (EV_P); /* backend in use by loop */
585 601
586void ev_now_update (EV_PDEF); /* update event loop time */ 602EV_API_DECL void ev_now_update (EV_P); /* update event loop time */
587 603
588#if EV_WALK_ENABLE 604#if EV_WALK_ENABLE
589/* walk (almost) all watchers in the loop of a given type, invoking the */ 605/* 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, */ 606/* callback on every such watcher. The callback might stop the watcher, */
591/* but do nothing else with the loop */ 607/* but do nothing else with the loop */
592void ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)); 608EV_API_DECL void ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w));
593#endif 609#endif
594 610
595#endif /* prototypes */ 611#endif /* prototypes */
596 612
597/* ev_run flags values */ 613/* ev_run flags values */
… …
606 EVBREAK_ONE = 1, /* unloop once */ 622 EVBREAK_ONE = 1, /* unloop once */
607 EVBREAK_ALL = 2 /* unloop all loops */ 623 EVBREAK_ALL = 2 /* unloop all loops */
608}; 624};
609 625
610#if EV_PROTOTYPES 626#if EV_PROTOTYPES
611void ev_run (EV_PDEF_ int flags EV_DEFARG (0)); 627EV_API_DECL void 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 */ 628EV_API_DECL void ev_break (EV_P_ int how EV_CPP (= EVBREAK_ONE)); /* break out of the loop */
613 629
614/* 630/*
615 * ref/unref can be used to add or remove a refcount on the mainloop. every watcher 631 * 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 632 * 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. 633 * should not keep ev_loop from running, unref() after starting, and ref() before stopping.
618 */ 634 */
619void ev_ref (EV_PDEF); 635EV_API_DECL void ev_ref (EV_P);
620void ev_unref (EV_PDEF); 636EV_API_DECL void ev_unref (EV_P);
621 637
622/* 638/*
623 * convenience function, wait for a single event, without registering an event watcher 639 * convenience function, wait for a single event, without registering an event watcher
624 * if timeout is < 0, do wait indefinitely 640 * if timeout is < 0, do wait indefinitely
625 */ 641 */
626void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); 642EV_API_DECL void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg);
627 643
628# if EV_FEATURE_API 644# if EV_FEATURE_API
629unsigned int ev_iteration (EV_PDEF); /* number of loop iterations */ 645EV_API_DECL unsigned int ev_iteration (EV_P); /* number of loop iterations */
630unsigned int ev_depth (EV_PDEF); /* #ev_loop enters - #ev_loop leaves */ 646EV_API_DECL unsigned int ev_depth (EV_P); /* #ev_loop enters - #ev_loop leaves */
631void ev_verify (EV_PDEF); /* abort if loop data corrupted */ 647EV_API_DECL void ev_verify (EV_P); /* abort if loop data corrupted */
632 648
633void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */ 649EV_API_DECL void 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 */ 650EV_API_DECL void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
635 651
636/* advanced stuff for threading etc. support, see docs */ 652/* advanced stuff for threading etc. support, see docs */
637void ev_set_userdata (EV_P_ void *data); 653EV_API_DECL void ev_set_userdata (EV_P_ void *data);
638void *ev_userdata (EV_PDEF); 654EV_API_DECL void *ev_userdata (EV_P);
639void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)); 655EV_API_DECL void 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)); 656EV_API_DECL void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P));
641 657
642unsigned int ev_pending_count (EV_PDEF); /* number of pending events, if any */ 658EV_API_DECL unsigned int ev_pending_count (EV_P); /* number of pending events, if any */
643void ev_invoke_pending (EV_PDEF); /* invoke all pending watchers */ 659EV_API_DECL void ev_invoke_pending (EV_P); /* invoke all pending watchers */
644 660
645/* 661/*
646 * stop/start the timer handling. 662 * stop/start the timer handling.
647 */ 663 */
648void ev_suspend (EV_PDEF); 664EV_API_DECL void ev_suspend (EV_P);
649void ev_resume (EV_PDEF); 665EV_API_DECL void ev_resume (EV_P);
650#endif 666#endif
651 667
652#endif 668#endif
653 669
654/* these may evaluate ev multiple times, and the other arguments at most once */ 670/* these may evaluate ev multiple times, and the other arguments at most once */
… …
669#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ 685#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */
670#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ 686#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */
671#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ 687#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */
672#define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0) 688#define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0)
673#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */ 689#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */
690#define ev_cleanup_set(ev) /* nop, yes, this is a serious in-joke */
674#define ev_async_set(ev) /* nop, yes, this is a serious in-joke */ 691#define ev_async_set(ev) /* nop, yes, this is a serious in-joke */
675 692
676#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) 693#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
677#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) 694#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)
678#define ev_periodic_init(ev,cb,ofs,ival,rcb) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(ofs),(ival),(rcb)); } while (0) 695#define ev_periodic_init(ev,cb,ofs,ival,rcb) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(ofs),(ival),(rcb)); } while (0)
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682#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) 699#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)
683#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) 700#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
684#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0) 701#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)
685#define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0) 702#define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0)
686#define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0) 703#define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0)
704#define ev_cleanup_init(ev,cb) do { ev_init ((ev), (cb)); ev_cleanup_set ((ev)); } while (0)
687#define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0) 705#define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0)
688 706
689#define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ 707#define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */
690#define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ 708#define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */
691 709
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707 725
708/* stopping (enabling, adding) a watcher does nothing if it is already running */ 726/* stopping (enabling, adding) a watcher does nothing if it is already running */
709/* stopping (disabling, deleting) a watcher does nothing unless its already running */ 727/* stopping (disabling, deleting) a watcher does nothing unless its already running */
710#if EV_PROTOTYPES 728#if EV_PROTOTYPES
711 729
712/* feeds an event into a watcher as if the event actually occured */ 730/* feeds an event into a watcher as if the event actually occurred */
713/* accepts any ev_watcher type */ 731/* accepts any ev_watcher type */
714void ev_feed_event (EV_P_ void *w, int revents); 732EV_API_DECL void ev_feed_event (EV_P_ void *w, int revents);
715void ev_feed_fd_event (EV_P_ int fd, int revents); 733EV_API_DECL void ev_feed_fd_event (EV_P_ int fd, int revents);
716#if EV_SIGNAL_ENABLE 734#if EV_SIGNAL_ENABLE
735EV_API_DECL void ev_feed_signal (int signum);
717void ev_feed_signal_event (EV_P_ int signum); 736EV_API_DECL void ev_feed_signal_event (EV_P_ int signum);
718#endif 737#endif
719void ev_invoke (EV_P_ void *w, int revents); 738EV_API_DECL void ev_invoke (EV_P_ void *w, int revents);
720int ev_clear_pending (EV_P_ void *w); 739EV_API_DECL int ev_clear_pending (EV_P_ void *w);
721 740
722void ev_io_start (EV_P_ ev_io *w); 741EV_API_DECL void ev_io_start (EV_P_ ev_io *w);
723void ev_io_stop (EV_P_ ev_io *w); 742EV_API_DECL void ev_io_stop (EV_P_ ev_io *w);
724 743
725void ev_timer_start (EV_P_ ev_timer *w); 744EV_API_DECL void ev_timer_start (EV_P_ ev_timer *w);
726void ev_timer_stop (EV_P_ ev_timer *w); 745EV_API_DECL void ev_timer_stop (EV_P_ ev_timer *w);
727/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ 746/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */
728void ev_timer_again (EV_P_ ev_timer *w); 747EV_API_DECL void ev_timer_again (EV_P_ ev_timer *w);
729/* return remaining time */ 748/* return remaining time */
730ev_tstamp ev_timer_remaining (EV_P_ ev_timer *w); 749EV_API_DECL ev_tstamp ev_timer_remaining (EV_P_ ev_timer *w);
731 750
732#if EV_PERIODIC_ENABLE 751#if EV_PERIODIC_ENABLE
733void ev_periodic_start (EV_P_ ev_periodic *w); 752EV_API_DECL void ev_periodic_start (EV_P_ ev_periodic *w);
734void ev_periodic_stop (EV_P_ ev_periodic *w); 753EV_API_DECL void ev_periodic_stop (EV_P_ ev_periodic *w);
735void ev_periodic_again (EV_P_ ev_periodic *w); 754EV_API_DECL void ev_periodic_again (EV_P_ ev_periodic *w);
736#endif 755#endif
737 756
738/* only supported in the default loop */ 757/* only supported in the default loop */
739#if EV_SIGNAL_ENABLE 758#if EV_SIGNAL_ENABLE
740void ev_signal_start (EV_P_ ev_signal *w); 759EV_API_DECL void ev_signal_start (EV_P_ ev_signal *w);
741void ev_signal_stop (EV_P_ ev_signal *w); 760EV_API_DECL void ev_signal_stop (EV_P_ ev_signal *w);
742#endif 761#endif
743 762
744/* only supported in the default loop */ 763/* only supported in the default loop */
745# if EV_CHILD_ENABLE 764# if EV_CHILD_ENABLE
746void ev_child_start (EV_P_ ev_child *w); 765EV_API_DECL void ev_child_start (EV_P_ ev_child *w);
747void ev_child_stop (EV_P_ ev_child *w); 766EV_API_DECL void ev_child_stop (EV_P_ ev_child *w);
748# endif 767# endif
749 768
750# if EV_STAT_ENABLE 769# if EV_STAT_ENABLE
751void ev_stat_start (EV_P_ ev_stat *w); 770EV_API_DECL void ev_stat_start (EV_P_ ev_stat *w);
752void ev_stat_stop (EV_P_ ev_stat *w); 771EV_API_DECL void ev_stat_stop (EV_P_ ev_stat *w);
753void ev_stat_stat (EV_P_ ev_stat *w); 772EV_API_DECL void ev_stat_stat (EV_P_ ev_stat *w);
754# endif 773# endif
755 774
756# if EV_IDLE_ENABLE 775# if EV_IDLE_ENABLE
757void ev_idle_start (EV_P_ ev_idle *w); 776EV_API_DECL void ev_idle_start (EV_P_ ev_idle *w);
758void ev_idle_stop (EV_P_ ev_idle *w); 777EV_API_DECL void ev_idle_stop (EV_P_ ev_idle *w);
759# endif 778# endif
760 779
761#if EV_PREPARE_ENABLE 780#if EV_PREPARE_ENABLE
762void ev_prepare_start (EV_P_ ev_prepare *w); 781EV_API_DECL void ev_prepare_start (EV_P_ ev_prepare *w);
763void ev_prepare_stop (EV_P_ ev_prepare *w); 782EV_API_DECL void ev_prepare_stop (EV_P_ ev_prepare *w);
764#endif 783#endif
765 784
766#if EV_CHECK_ENABLE 785#if EV_CHECK_ENABLE
767void ev_check_start (EV_P_ ev_check *w); 786EV_API_DECL void ev_check_start (EV_P_ ev_check *w);
768void ev_check_stop (EV_P_ ev_check *w); 787EV_API_DECL void ev_check_stop (EV_P_ ev_check *w);
769#endif 788#endif
770 789
771# if EV_FORK_ENABLE 790# if EV_FORK_ENABLE
772void ev_fork_start (EV_P_ ev_fork *w); 791EV_API_DECL void ev_fork_start (EV_P_ ev_fork *w);
773void ev_fork_stop (EV_P_ ev_fork *w); 792EV_API_DECL void ev_fork_stop (EV_P_ ev_fork *w);
793# endif
794
795# if EV_CLEANUP_ENABLE
796EV_API_DECL void ev_cleanup_start (EV_P_ ev_cleanup *w);
797EV_API_DECL void ev_cleanup_stop (EV_P_ ev_cleanup *w);
774# endif 798# endif
775 799
776# if EV_EMBED_ENABLE 800# if EV_EMBED_ENABLE
777/* only supported when loop to be embedded is in fact embeddable */ 801/* only supported when loop to be embedded is in fact embeddable */
778void ev_embed_start (EV_P_ ev_embed *w); 802EV_API_DECL void ev_embed_start (EV_P_ ev_embed *w);
779void ev_embed_stop (EV_P_ ev_embed *w); 803EV_API_DECL void ev_embed_stop (EV_P_ ev_embed *w);
780void ev_embed_sweep (EV_P_ ev_embed *w); 804EV_API_DECL void ev_embed_sweep (EV_P_ ev_embed *w);
781# endif 805# endif
782 806
783# if EV_ASYNC_ENABLE 807# if EV_ASYNC_ENABLE
784void ev_async_start (EV_P_ ev_async *w); 808EV_API_DECL void ev_async_start (EV_P_ ev_async *w);
785void ev_async_stop (EV_P_ ev_async *w); 809EV_API_DECL void ev_async_stop (EV_P_ ev_async *w);
786void ev_async_send (EV_P_ ev_async *w); 810EV_API_DECL void ev_async_send (EV_P_ ev_async *w);
787# endif 811# endif
788 812
789#if EV_COMPAT3 813#if EV_COMPAT3
790 #define EVLOOP_NONBLOCK EVRUN_NOWAIT 814 #define EVLOOP_NONBLOCK EVRUN_NOWAIT
791 #define EVLOOP_ONESHOT EVRUN_ONCE 815 #define EVLOOP_ONESHOT EVRUN_ONCE
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793 #define EVUNLOOP_ONE EVBREAK_ONE 817 #define EVUNLOOP_ONE EVBREAK_ONE
794 #define EVUNLOOP_ALL EVBREAK_ALL 818 #define EVUNLOOP_ALL EVBREAK_ALL
795 #if EV_PROTOTYPES 819 #if EV_PROTOTYPES
796 EV_INLINE void ev_loop (EV_P_ int flags) { ev_run (EV_A_ flags); } 820 EV_INLINE void ev_loop (EV_P_ int flags) { ev_run (EV_A_ flags); }
797 EV_INLINE void ev_unloop (EV_P_ int how ) { ev_break (EV_A_ how ); } 821 EV_INLINE void ev_unloop (EV_P_ int how ) { ev_break (EV_A_ how ); }
822 EV_INLINE void ev_default_destroy (void) { ev_loop_destroy (EV_DEFAULT); }
823 EV_INLINE void ev_default_fork (void) { ev_loop_fork (EV_DEFAULT); }
798 #if EV_FEATURE_API 824 #if EV_FEATURE_API
799 EV_INLINE void ev_loop_count (EV_P) { ev_iteration (EV_A); } 825 EV_INLINE unsigned int ev_loop_count (EV_P) { return ev_iteration (EV_A); }
800 EV_INLINE void ev_loop_depth (EV_P) { ev_depth (EV_A); } 826 EV_INLINE unsigned int ev_loop_depth (EV_P) { return ev_depth (EV_A); }
801 EV_INLINE void ev_loop_verify (EV_P) { ev_verify (EV_A); } 827 EV_INLINE void ev_loop_verify (EV_P) { ev_verify (EV_A); }
802 #endif 828 #endif
803 #endif 829 #endif
804#else 830#else
805 typedef struct ev_loop ev_loop; 831 typedef struct ev_loop ev_loop;
806#endif 832#endif
807 833
808#endif 834#endif
809 835
810#ifdef __cplusplus 836EV_CPP(})
811}
812#endif
813 837
814#endif 838#endif
815 839

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