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Comparing libev/ev.h (file contents):
Revision 1.147 by root, Fri Oct 22 09:24:11 2010 UTC vs.
Revision 1.168 by root, Wed Apr 18 06:06:04 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,
… …
44# define EV_CPP(x) x 44# define EV_CPP(x) x
45#else 45#else
46# define EV_CPP(x) 46# define EV_CPP(x)
47#endif 47#endif
48 48
49#define EV_THROW EV_CPP(throw())
50
49EV_CPP(extern "C" {) 51EV_CPP(extern "C" {)
50 52
51/*****************************************************************************/ 53/*****************************************************************************/
52 54
53/* pre-4.0 compatibility */ 55/* pre-4.0 compatibility */
54#ifndef EV_COMPAT3 56#ifndef EV_COMPAT3
55# define EV_COMPAT3 1 57# define EV_COMPAT3 1
56#endif 58#endif
57 59
58#ifndef EV_FEATURES 60#ifndef EV_FEATURES
61# if defined __OPTIMIZE_SIZE__
62# define EV_FEATURES 0x7c
63# else
59# define EV_FEATURES 0x7f 64# define EV_FEATURES 0x7f
65# endif
60#endif 66#endif
61 67
62#define EV_FEATURE_CODE ((EV_FEATURES) & 1) 68#define EV_FEATURE_CODE ((EV_FEATURES) & 1)
63#define EV_FEATURE_DATA ((EV_FEATURES) & 2) 69#define EV_FEATURE_DATA ((EV_FEATURES) & 2)
64#define EV_FEATURE_CONFIG ((EV_FEATURES) & 4) 70#define EV_FEATURE_CONFIG ((EV_FEATURES) & 4)
… …
101 107
102#ifndef EV_FORK_ENABLE 108#ifndef EV_FORK_ENABLE
103# define EV_FORK_ENABLE EV_FEATURE_WATCHERS 109# define EV_FORK_ENABLE EV_FEATURE_WATCHERS
104#endif 110#endif
105 111
112#ifndef EV_CLEANUP_ENABLE
113# define EV_CLEANUP_ENABLE EV_FEATURE_WATCHERS
114#endif
115
106#ifndef EV_SIGNAL_ENABLE 116#ifndef EV_SIGNAL_ENABLE
107# define EV_SIGNAL_ENABLE EV_FEATURE_WATCHERS 117# define EV_SIGNAL_ENABLE EV_FEATURE_WATCHERS
108#endif 118#endif
109 119
110#ifndef EV_CHILD_ENABLE 120#ifndef EV_CHILD_ENABLE
… …
156struct ev_loop; 166struct ev_loop;
157# define EV_P struct ev_loop *loop /* a loop as sole parameter in a declaration */ 167# define EV_P struct ev_loop *loop /* a loop as sole parameter in a declaration */
158# define EV_P_ EV_P, /* a loop as first of multiple parameters */ 168# define EV_P_ EV_P, /* a loop as first of multiple parameters */
159# define EV_A loop /* a loop as sole argument to a function call */ 169# define EV_A loop /* a loop as sole argument to a function call */
160# define EV_A_ EV_A, /* a loop as first of multiple arguments */ 170# define EV_A_ EV_A, /* a loop as first of multiple arguments */
161# define EV_DEFAULT_UC ev_default_loop_uc () /* the default loop, if initialised, as sole arg */ 171# define EV_DEFAULT_UC ev_default_loop_uc_ () /* the default loop, if initialised, as sole arg */
162# define EV_DEFAULT_UC_ EV_DEFAULT_UC, /* the default loop as first of multiple arguments */ 172# define EV_DEFAULT_UC_ EV_DEFAULT_UC, /* the default loop as first of multiple arguments */
163# define EV_DEFAULT ev_default_loop (0) /* the default loop as sole arg */ 173# define EV_DEFAULT ev_default_loop (0) /* the default loop as sole arg */
164# define EV_DEFAULT_ EV_DEFAULT, /* the default loop as first of multiple arguments */ 174# define EV_DEFAULT_ EV_DEFAULT, /* the default loop as first of multiple arguments */
165#else 175#else
166# define EV_P void 176# define EV_P void
… …
179# define EV_INLINE static inline 189# define EV_INLINE static inline
180#else 190#else
181# define EV_INLINE static 191# define EV_INLINE static
182#endif 192#endif
183 193
194#ifdef EV_API_STATIC
195# define EV_API_DECL static
196#else
197# define EV_API_DECL extern
198#endif
199
184/* EV_PROTOTYPES can be sued to switch of prototype declarations */ 200/* EV_PROTOTYPES can be used to switch of prototype declarations */
185#ifndef EV_PROTOTYPES 201#ifndef EV_PROTOTYPES
186# define EV_PROTOTYPES 1 202# define EV_PROTOTYPES 1
187#endif 203#endif
188 204
189/*****************************************************************************/ 205/*****************************************************************************/
190 206
191#define EV_VERSION_MAJOR 4 207#define EV_VERSION_MAJOR 4
192#define EV_VERSION_MINOR 0 208#define EV_VERSION_MINOR 11
193 209
194/* eventmask, revents, events... */ 210/* eventmask, revents, events... */
195enum { 211enum {
196 EV_UNDEF = -1, /* guaranteed to be invalid */ 212 EV_UNDEF = 0xFFFFFFFF, /* guaranteed to be invalid */
197 EV_NONE = 0x00, /* no events */ 213 EV_NONE = 0x00, /* no events */
198 EV_READ = 0x01, /* ev_io detected read will not block */ 214 EV_READ = 0x01, /* ev_io detected read will not block */
199 EV_WRITE = 0x02, /* ev_io detected write will not block */ 215 EV_WRITE = 0x02, /* ev_io detected write will not block */
200 EV__IOFDSET = 0x80, /* internal use only */ 216 EV__IOFDSET = 0x80, /* internal use only */
201 EV_IO = EV_READ, /* alias for type-detection */ 217 EV_IO = EV_READ, /* alias for type-detection */
… …
210 EV_IDLE = 0x00002000, /* event loop is idling */ 226 EV_IDLE = 0x00002000, /* event loop is idling */
211 EV_PREPARE = 0x00004000, /* event loop about to poll */ 227 EV_PREPARE = 0x00004000, /* event loop about to poll */
212 EV_CHECK = 0x00008000, /* event loop finished poll */ 228 EV_CHECK = 0x00008000, /* event loop finished poll */
213 EV_EMBED = 0x00010000, /* embedded event loop needs sweep */ 229 EV_EMBED = 0x00010000, /* embedded event loop needs sweep */
214 EV_FORK = 0x00020000, /* event loop resumed in child */ 230 EV_FORK = 0x00020000, /* event loop resumed in child */
231 EV_CLEANUP = 0x00040000, /* event loop resumed in child */
215 EV_ASYNC = 0x00040000, /* async intra-loop signal */ 232 EV_ASYNC = 0x00080000, /* async intra-loop signal */
216 EV_CUSTOM = 0x01000000, /* for use by user code */ 233 EV_CUSTOM = 0x01000000, /* for use by user code */
217 EV_ERROR = 0x80000000 /* sent when an error occurs */ 234 EV_ERROR = 0x80000000 /* sent when an error occurs */
218}; 235};
219 236
220/* can be used to add custom fields to all watchers, while losing binary compatibility */ 237/* can be used to add custom fields to all watchers, while losing binary compatibility */
… …
314{ 331{
315 EV_WATCHER_TIME (ev_periodic) 332 EV_WATCHER_TIME (ev_periodic)
316 333
317 ev_tstamp offset; /* rw */ 334 ev_tstamp offset; /* rw */
318 ev_tstamp interval; /* rw */ 335 ev_tstamp interval; /* rw */
319 ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now); /* rw */ 336 ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now) EV_THROW; /* rw */
320} ev_periodic; 337} ev_periodic;
321 338
322/* invoked when the given signal has been received */ 339/* invoked when the given signal has been received */
323/* revent EV_SIGNAL */ 340/* revent EV_SIGNAL */
324typedef struct ev_signal 341typedef struct ev_signal
… …
389 EV_WATCHER (ev_check) 406 EV_WATCHER (ev_check)
390} ev_check; 407} ev_check;
391 408
392#if EV_FORK_ENABLE 409#if EV_FORK_ENABLE
393/* the callback gets invoked before check in the child process when a fork was detected */ 410/* the callback gets invoked before check in the child process when a fork was detected */
411/* revent EV_FORK */
394typedef struct ev_fork 412typedef struct ev_fork
395{ 413{
396 EV_WATCHER (ev_fork) 414 EV_WATCHER (ev_fork)
397} ev_fork; 415} ev_fork;
416#endif
417
418#if EV_CLEANUP_ENABLE
419/* is invoked just before the loop gets destroyed */
420/* revent EV_CLEANUP */
421typedef struct ev_cleanup
422{
423 EV_WATCHER (ev_cleanup)
424} ev_cleanup;
398#endif 425#endif
399 426
400#if EV_EMBED_ENABLE 427#if EV_EMBED_ENABLE
401/* used to embed an event loop inside another */ 428/* used to embed an event loop inside another */
402/* the callback gets invoked when the event loop has handled events, and can be 0 */ 429/* the callback gets invoked when the event loop has handled events, and can be 0 */
… …
410 ev_check check; /* unused */ 437 ev_check check; /* unused */
411 ev_timer timer; /* unused */ 438 ev_timer timer; /* unused */
412 ev_periodic periodic; /* unused */ 439 ev_periodic periodic; /* unused */
413 ev_idle idle; /* unused */ 440 ev_idle idle; /* unused */
414 ev_fork fork; /* private */ 441 ev_fork fork; /* private */
442#if EV_CLEANUP_ENABLE
443 ev_cleanup cleanup; /* unused */
444#endif
415} ev_embed; 445} ev_embed;
416#endif 446#endif
417 447
418#if EV_ASYNC_ENABLE 448#if EV_ASYNC_ENABLE
419/* invoked when somebody calls ev_async_send on the watcher */ 449/* invoked when somebody calls ev_async_send on the watcher */
… …
447#endif 477#endif
448 struct ev_prepare prepare; 478 struct ev_prepare prepare;
449 struct ev_check check; 479 struct ev_check check;
450#if EV_FORK_ENABLE 480#if EV_FORK_ENABLE
451 struct ev_fork fork; 481 struct ev_fork fork;
482#endif
483#if EV_CLEANUP_ENABLE
484 struct ev_cleanup cleanup;
452#endif 485#endif
453#if EV_EMBED_ENABLE 486#if EV_EMBED_ENABLE
454 struct ev_embed embed; 487 struct ev_embed embed;
455#endif 488#endif
456#if EV_ASYNC_ENABLE 489#if EV_ASYNC_ENABLE
… …
468 /* debugging/feature disable */ 501 /* debugging/feature disable */
469 EVFLAG_NOINOTIFY = 0x00100000U, /* do not attempt to use inotify */ 502 EVFLAG_NOINOTIFY = 0x00100000U, /* do not attempt to use inotify */
470#if EV_COMPAT3 503#if EV_COMPAT3
471 EVFLAG_NOSIGFD = 0, /* compatibility to pre-3.9 */ 504 EVFLAG_NOSIGFD = 0, /* compatibility to pre-3.9 */
472#endif 505#endif
473 EVFLAG_SIGNALFD = 0x00200000U /* attempt to use signalfd */ 506 EVFLAG_SIGNALFD = 0x00200000U, /* attempt to use signalfd */
507 EVFLAG_NOSIGMASK = 0x00400000U /* avoid modifying the signal mask */
474}; 508};
475 509
476/* method bits to be ored together */ 510/* method bits to be ored together */
477enum { 511enum {
478 EVBACKEND_SELECT = 0x00000001U, /* about anywhere */ 512 EVBACKEND_SELECT = 0x00000001U, /* about anywhere */
479 EVBACKEND_POLL = 0x00000002U, /* !win */ 513 EVBACKEND_POLL = 0x00000002U, /* !win */
480 EVBACKEND_EPOLL = 0x00000004U, /* linux */ 514 EVBACKEND_EPOLL = 0x00000004U, /* linux */
481 EVBACKEND_KQUEUE = 0x00000008U, /* bsd */ 515 EVBACKEND_KQUEUE = 0x00000008U, /* bsd */
482 EVBACKEND_DEVPOLL = 0x00000010U, /* solaris 8 */ /* NYI */ 516 EVBACKEND_DEVPOLL = 0x00000010U, /* solaris 8 */ /* NYI */
483 EVBACKEND_PORT = 0x00000020U, /* solaris 10 */ 517 EVBACKEND_PORT = 0x00000020U, /* solaris 10 */
484 EVBACKEND_ALL = 0x0000003FU 518 EVBACKEND_ALL = 0x0000003FU, /* all known backends */
519 EVBACKEND_MASK = 0x0000FFFFU /* all future backends */
485}; 520};
486 521
487#if EV_PROTOTYPES 522#if EV_PROTOTYPES
488int ev_version_major (void); 523EV_API_DECL int ev_version_major (void) EV_THROW;
489int ev_version_minor (void); 524EV_API_DECL int ev_version_minor (void) EV_THROW;
490 525
491unsigned int ev_supported_backends (void); 526EV_API_DECL unsigned int ev_supported_backends (void) EV_THROW;
492unsigned int ev_recommended_backends (void); 527EV_API_DECL unsigned int ev_recommended_backends (void) EV_THROW;
493unsigned int ev_embeddable_backends (void); 528EV_API_DECL unsigned int ev_embeddable_backends (void) EV_THROW;
494 529
495ev_tstamp ev_time (void); 530EV_API_DECL ev_tstamp ev_time (void) EV_THROW;
496void ev_sleep (ev_tstamp delay); /* sleep for a while */ 531EV_API_DECL void ev_sleep (ev_tstamp delay) EV_THROW; /* sleep for a while */
497 532
498/* Sets the allocation function to use, works like realloc. 533/* Sets the allocation function to use, works like realloc.
499 * It is used to allocate and free memory. 534 * It is used to allocate and free memory.
500 * If it returns zero when memory needs to be allocated, the library might abort 535 * If it returns zero when memory needs to be allocated, the library might abort
501 * or take some potentially destructive action. 536 * or take some potentially destructive action.
502 * The default is your system realloc function. 537 * The default is your system realloc function.
503 */ 538 */
504void ev_set_allocator (void *(*cb)(void *ptr, long size)); 539EV_API_DECL void ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW;
505 540
506/* set the callback function to call on a 541/* set the callback function to call on a
507 * retryable syscall error 542 * retryable syscall error
508 * (such as failed select, poll, epoll_wait) 543 * (such as failed select, poll, epoll_wait)
509 */ 544 */
510void ev_set_syserr_cb (void (*cb)(const char *msg)); 545EV_API_DECL void ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW;
511 546
512#if EV_MULTIPLICITY 547#if EV_MULTIPLICITY
548
549/* the default loop is the only one that handles signals and child watchers */
550/* you can call this as often as you like */
551EV_API_DECL struct ev_loop *ev_default_loop (unsigned int flags EV_CPP (= 0)) EV_THROW;
552
553#ifdef EV_API_STATIC
554EV_API_DECL struct ev_loop *ev_default_loop_ptr;
555#endif
556
513EV_INLINE struct ev_loop * 557EV_INLINE struct ev_loop *
514ev_default_loop_uc (void) 558ev_default_loop_uc_ (void) EV_THROW
515{ 559{
516 extern struct ev_loop *ev_default_loop_ptr; 560 extern struct ev_loop *ev_default_loop_ptr;
517 561
518 return ev_default_loop_ptr; 562 return ev_default_loop_ptr;
519} 563}
520 564
521/* the default loop is the only one that handles signals and child watchers */ 565EV_INLINE int
522/* you can call this as often as you like */ 566ev_is_default_loop (EV_P) EV_THROW
523EV_INLINE struct ev_loop *
524ev_default_loop (unsigned int flags EV_CPP (= 0))
525{ 567{
526 struct ev_loop *loop = ev_default_loop_uc (); 568 return EV_A == EV_DEFAULT_UC;
527
528 if (!loop)
529 {
530 extern struct ev_loop *ev_default_loop_init (unsigned int flags);
531
532 loop = ev_default_loop_init (flags);
533 }
534
535 return loop;
536} 569}
537 570
538/* create and destroy alternative loops that don't handle signals */ 571/* create and destroy alternative loops that don't handle signals */
539struct ev_loop *ev_loop_new (unsigned int flags EV_CPP (= 0)); 572EV_API_DECL struct ev_loop *ev_loop_new (unsigned int flags EV_CPP (= 0)) EV_THROW;
540void ev_loop_destroy (EV_P);
541void ev_loop_fork (EV_P);
542 573
543ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */ 574EV_API_DECL ev_tstamp ev_now (EV_P) EV_THROW; /* time w.r.t. timers and the eventloop, updated after each poll */
544 575
545#else 576#else
546 577
547int ev_default_loop (unsigned int flags EV_CPP (= 0)); /* returns true when successful */ 578EV_API_DECL int ev_default_loop (unsigned int flags EV_CPP (= 0)) EV_THROW; /* returns true when successful */
579
580EV_API_DECL ev_tstamp ev_rt_now;
548 581
549EV_INLINE ev_tstamp 582EV_INLINE ev_tstamp
550ev_now (void) 583ev_now (void) EV_THROW
551{ 584{
552 extern ev_tstamp ev_rt_now;
553
554 return ev_rt_now; 585 return ev_rt_now;
555} 586}
587
588/* looks weird, but ev_is_default_loop (EV_A) still works if this exists */
589EV_INLINE int
590ev_is_default_loop (void) EV_THROW
591{
592 return 1;
593}
594
556#endif /* multiplicity */ 595#endif /* multiplicity */
557 596
558EV_INLINE int 597/* destroy event loops, also works for the default loop */
559ev_is_default_loop (EV_P) 598EV_API_DECL void ev_loop_destroy (EV_P) EV_THROW;
560{
561#if EV_MULTIPLICITY
562 extern struct ev_loop *ev_default_loop_ptr;
563 599
564 return !!(EV_A == ev_default_loop_ptr);
565#else
566 return 1;
567#endif
568}
569
570void ev_default_destroy (void); /* destroy the default loop */
571/* this needs to be called after fork, to duplicate the default loop */ 600/* this needs to be called after fork, to duplicate the loop */
572/* if you create alternative loops you have to call ev_loop_fork on them */ 601/* when you want to re-use it in the child */
573/* you can call it in either the parent or the child */ 602/* you can call it in either the parent or the child */
574/* you can actually call it at any time, anywhere :) */ 603/* you can actually call it at any time, anywhere :) */
575void ev_default_fork (void); 604EV_API_DECL void ev_loop_fork (EV_P) EV_THROW;
576 605
577unsigned int ev_backend (EV_P); /* backend in use by loop */ 606EV_API_DECL unsigned int ev_backend (EV_P) EV_THROW; /* backend in use by loop */
578 607
579void ev_now_update (EV_P); /* update event loop time */ 608EV_API_DECL void ev_now_update (EV_P) EV_THROW; /* update event loop time */
580 609
581#if EV_WALK_ENABLE 610#if EV_WALK_ENABLE
582/* walk (almost) all watchers in the loop of a given type, invoking the */ 611/* walk (almost) all watchers in the loop of a given type, invoking the */
583/* callback on every such watcher. The callback might stop the watcher, */ 612/* callback on every such watcher. The callback might stop the watcher, */
584/* but do nothing else with the loop */ 613/* but do nothing else with the loop */
585void ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)); 614EV_API_DECL void ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW;
586#endif 615#endif
587 616
588#endif /* prototypes */ 617#endif /* prototypes */
589 618
590/* ev_run flags values */ 619/* ev_run flags values */
… …
599 EVBREAK_ONE = 1, /* unloop once */ 628 EVBREAK_ONE = 1, /* unloop once */
600 EVBREAK_ALL = 2 /* unloop all loops */ 629 EVBREAK_ALL = 2 /* unloop all loops */
601}; 630};
602 631
603#if EV_PROTOTYPES 632#if EV_PROTOTYPES
604void ev_run (EV_P_ int flags EV_CPP (= 0)); 633EV_API_DECL int ev_run (EV_P_ int flags EV_CPP (= 0));
605void ev_break (EV_P_ int how EV_CPP (= EVBREAK_ONE)); /* break out of the loop */ 634EV_API_DECL void ev_break (EV_P_ int how EV_CPP (= EVBREAK_ONE)) EV_THROW; /* break out of the loop */
606 635
607/* 636/*
608 * ref/unref can be used to add or remove a refcount on the mainloop. every watcher 637 * ref/unref can be used to add or remove a refcount on the mainloop. every watcher
609 * keeps one reference. if you have a long-running watcher you never unregister that 638 * keeps one reference. if you have a long-running watcher you never unregister that
610 * should not keep ev_loop from running, unref() after starting, and ref() before stopping. 639 * should not keep ev_loop from running, unref() after starting, and ref() before stopping.
611 */ 640 */
612void ev_ref (EV_P); 641EV_API_DECL void ev_ref (EV_P) EV_THROW;
613void ev_unref (EV_P); 642EV_API_DECL void ev_unref (EV_P) EV_THROW;
614 643
615/* 644/*
616 * convenience function, wait for a single event, without registering an event watcher 645 * convenience function, wait for a single event, without registering an event watcher
617 * if timeout is < 0, do wait indefinitely 646 * if timeout is < 0, do wait indefinitely
618 */ 647 */
619void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); 648EV_API_DECL void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW;
620 649
621# if EV_FEATURE_API 650# if EV_FEATURE_API
622unsigned int ev_iteration (EV_P); /* number of loop iterations */ 651EV_API_DECL unsigned int ev_iteration (EV_P) EV_THROW; /* number of loop iterations */
623unsigned int ev_depth (EV_P); /* #ev_loop enters - #ev_loop leaves */ 652EV_API_DECL unsigned int ev_depth (EV_P) EV_THROW; /* #ev_loop enters - #ev_loop leaves */
624void ev_verify (EV_P); /* abort if loop data corrupted */ 653EV_API_DECL void ev_verify (EV_P) EV_THROW; /* abort if loop data corrupted */
625 654
626void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */ 655EV_API_DECL void ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW; /* 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 */ 656EV_API_DECL void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW; /* sleep at least this time, default 0 */
628 657
629/* advanced stuff for threading etc. support, see docs */ 658/* advanced stuff for threading etc. support, see docs */
630void ev_set_userdata (EV_P_ void *data); 659EV_API_DECL void ev_set_userdata (EV_P_ void *data) EV_THROW;
631void *ev_userdata (EV_P); 660EV_API_DECL void *ev_userdata (EV_P) EV_THROW;
632void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)); 661EV_API_DECL void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) EV_THROW;
633void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)); 662EV_API_DECL void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P) EV_THROW) EV_THROW;
634 663
635unsigned int ev_pending_count (EV_P); /* number of pending events, if any */ 664EV_API_DECL unsigned int ev_pending_count (EV_P) EV_THROW; /* number of pending events, if any */
636void ev_invoke_pending (EV_P); /* invoke all pending watchers */ 665EV_API_DECL void ev_invoke_pending (EV_P); /* invoke all pending watchers */
637 666
638/* 667/*
639 * stop/start the timer handling. 668 * stop/start the timer handling.
640 */ 669 */
641void ev_suspend (EV_P); 670EV_API_DECL void ev_suspend (EV_P) EV_THROW;
642void ev_resume (EV_P); 671EV_API_DECL void ev_resume (EV_P) EV_THROW;
643#endif 672#endif
644 673
645#endif 674#endif
646 675
647/* these may evaluate ev multiple times, and the other arguments at most once */ 676/* these may evaluate ev multiple times, and the other arguments at most once */
… …
662#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ 691#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */
663#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ 692#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */
664#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ 693#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */
665#define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0) 694#define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0)
666#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */ 695#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */
696#define ev_cleanup_set(ev) /* nop, yes, this is a serious in-joke */
667#define ev_async_set(ev) /* nop, yes, this is a serious in-joke */ 697#define ev_async_set(ev) /* nop, yes, this is a serious in-joke */
668 698
669#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) 699#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
670#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) 700#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)
671#define ev_periodic_init(ev,cb,ofs,ival,rcb) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(ofs),(ival),(rcb)); } while (0) 701#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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675#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) 705#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)
676#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) 706#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
677#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0) 707#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)
678#define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0) 708#define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0)
679#define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0) 709#define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0)
710#define ev_cleanup_init(ev,cb) do { ev_init ((ev), (cb)); ev_cleanup_set ((ev)); } while (0)
680#define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0) 711#define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0)
681 712
682#define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ 713#define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */
683#define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ 714#define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */
684 715
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700 731
701/* stopping (enabling, adding) a watcher does nothing if it is already running */ 732/* stopping (enabling, adding) a watcher does nothing if it is already running */
702/* stopping (disabling, deleting) a watcher does nothing unless its already running */ 733/* stopping (disabling, deleting) a watcher does nothing unless its already running */
703#if EV_PROTOTYPES 734#if EV_PROTOTYPES
704 735
705/* feeds an event into a watcher as if the event actually occured */ 736/* feeds an event into a watcher as if the event actually occurred */
706/* accepts any ev_watcher type */ 737/* accepts any ev_watcher type */
707void ev_feed_event (EV_P_ void *w, int revents); 738EV_API_DECL void ev_feed_event (EV_P_ void *w, int revents) EV_THROW;
708void ev_feed_fd_event (EV_P_ int fd, int revents); 739EV_API_DECL void ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW;
709#if EV_SIGNAL_ENABLE 740#if EV_SIGNAL_ENABLE
741EV_API_DECL void ev_feed_signal (int signum) EV_THROW;
710void ev_feed_signal_event (EV_P_ int signum); 742EV_API_DECL void ev_feed_signal_event (EV_P_ int signum) EV_THROW;
711#endif 743#endif
712void ev_invoke (EV_P_ void *w, int revents); 744EV_API_DECL void ev_invoke (EV_P_ void *w, int revents);
713int ev_clear_pending (EV_P_ void *w); 745EV_API_DECL int ev_clear_pending (EV_P_ void *w) EV_THROW;
714 746
715void ev_io_start (EV_P_ ev_io *w); 747EV_API_DECL void ev_io_start (EV_P_ ev_io *w) EV_THROW;
716void ev_io_stop (EV_P_ ev_io *w); 748EV_API_DECL void ev_io_stop (EV_P_ ev_io *w) EV_THROW;
717 749
718void ev_timer_start (EV_P_ ev_timer *w); 750EV_API_DECL void ev_timer_start (EV_P_ ev_timer *w) EV_THROW;
719void ev_timer_stop (EV_P_ ev_timer *w); 751EV_API_DECL void ev_timer_stop (EV_P_ ev_timer *w) EV_THROW;
720/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ 752/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */
721void ev_timer_again (EV_P_ ev_timer *w); 753EV_API_DECL void ev_timer_again (EV_P_ ev_timer *w) EV_THROW;
722/* return remaining time */ 754/* return remaining time */
723ev_tstamp ev_timer_remaining (EV_P_ ev_timer *w); 755EV_API_DECL ev_tstamp ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW;
724 756
725#if EV_PERIODIC_ENABLE 757#if EV_PERIODIC_ENABLE
726void ev_periodic_start (EV_P_ ev_periodic *w); 758EV_API_DECL void ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW;
727void ev_periodic_stop (EV_P_ ev_periodic *w); 759EV_API_DECL void ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW;
728void ev_periodic_again (EV_P_ ev_periodic *w); 760EV_API_DECL void ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW;
729#endif 761#endif
730 762
731/* only supported in the default loop */ 763/* only supported in the default loop */
732#if EV_SIGNAL_ENABLE 764#if EV_SIGNAL_ENABLE
733void ev_signal_start (EV_P_ ev_signal *w); 765EV_API_DECL void ev_signal_start (EV_P_ ev_signal *w) EV_THROW;
734void ev_signal_stop (EV_P_ ev_signal *w); 766EV_API_DECL void ev_signal_stop (EV_P_ ev_signal *w) EV_THROW;
735#endif 767#endif
736 768
737/* only supported in the default loop */ 769/* only supported in the default loop */
738# if EV_CHILD_ENABLE 770# if EV_CHILD_ENABLE
739void ev_child_start (EV_P_ ev_child *w); 771EV_API_DECL void ev_child_start (EV_P_ ev_child *w) EV_THROW;
740void ev_child_stop (EV_P_ ev_child *w); 772EV_API_DECL void ev_child_stop (EV_P_ ev_child *w) EV_THROW;
741# endif 773# endif
742 774
743# if EV_STAT_ENABLE 775# if EV_STAT_ENABLE
744void ev_stat_start (EV_P_ ev_stat *w); 776EV_API_DECL void ev_stat_start (EV_P_ ev_stat *w) EV_THROW;
745void ev_stat_stop (EV_P_ ev_stat *w); 777EV_API_DECL void ev_stat_stop (EV_P_ ev_stat *w) EV_THROW;
746void ev_stat_stat (EV_P_ ev_stat *w); 778EV_API_DECL void ev_stat_stat (EV_P_ ev_stat *w) EV_THROW;
747# endif 779# endif
748 780
749# if EV_IDLE_ENABLE 781# if EV_IDLE_ENABLE
750void ev_idle_start (EV_P_ ev_idle *w); 782EV_API_DECL void ev_idle_start (EV_P_ ev_idle *w) EV_THROW;
751void ev_idle_stop (EV_P_ ev_idle *w); 783EV_API_DECL void ev_idle_stop (EV_P_ ev_idle *w) EV_THROW;
752# endif 784# endif
753 785
754#if EV_PREPARE_ENABLE 786#if EV_PREPARE_ENABLE
755void ev_prepare_start (EV_P_ ev_prepare *w); 787EV_API_DECL void ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW;
756void ev_prepare_stop (EV_P_ ev_prepare *w); 788EV_API_DECL void ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW;
757#endif 789#endif
758 790
759#if EV_CHECK_ENABLE 791#if EV_CHECK_ENABLE
760void ev_check_start (EV_P_ ev_check *w); 792EV_API_DECL void ev_check_start (EV_P_ ev_check *w) EV_THROW;
761void ev_check_stop (EV_P_ ev_check *w); 793EV_API_DECL void ev_check_stop (EV_P_ ev_check *w) EV_THROW;
762#endif 794#endif
763 795
764# if EV_FORK_ENABLE 796# if EV_FORK_ENABLE
765void ev_fork_start (EV_P_ ev_fork *w); 797EV_API_DECL void ev_fork_start (EV_P_ ev_fork *w) EV_THROW;
766void ev_fork_stop (EV_P_ ev_fork *w); 798EV_API_DECL void ev_fork_stop (EV_P_ ev_fork *w) EV_THROW;
799# endif
800
801# if EV_CLEANUP_ENABLE
802EV_API_DECL void ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW;
803EV_API_DECL void ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW;
767# endif 804# endif
768 805
769# if EV_EMBED_ENABLE 806# if EV_EMBED_ENABLE
770/* only supported when loop to be embedded is in fact embeddable */ 807/* only supported when loop to be embedded is in fact embeddable */
771void ev_embed_start (EV_P_ ev_embed *w); 808EV_API_DECL void ev_embed_start (EV_P_ ev_embed *w) EV_THROW;
772void ev_embed_stop (EV_P_ ev_embed *w); 809EV_API_DECL void ev_embed_stop (EV_P_ ev_embed *w) EV_THROW;
773void ev_embed_sweep (EV_P_ ev_embed *w); 810EV_API_DECL void ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW;
774# endif 811# endif
775 812
776# if EV_ASYNC_ENABLE 813# if EV_ASYNC_ENABLE
777void ev_async_start (EV_P_ ev_async *w); 814EV_API_DECL void ev_async_start (EV_P_ ev_async *w) EV_THROW;
778void ev_async_stop (EV_P_ ev_async *w); 815EV_API_DECL void ev_async_stop (EV_P_ ev_async *w) EV_THROW;
779void ev_async_send (EV_P_ ev_async *w); 816EV_API_DECL void ev_async_send (EV_P_ ev_async *w) EV_THROW;
780# endif 817# endif
781 818
782#if EV_COMPAT3 819#if EV_COMPAT3
783 #define EVLOOP_NONBLOCK EVRUN_NOWAIT 820 #define EVLOOP_NONBLOCK EVRUN_NOWAIT
784 #define EVLOOP_ONESHOT EVRUN_ONCE 821 #define EVLOOP_ONESHOT EVRUN_ONCE
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786 #define EVUNLOOP_ONE EVBREAK_ONE 823 #define EVUNLOOP_ONE EVBREAK_ONE
787 #define EVUNLOOP_ALL EVBREAK_ALL 824 #define EVUNLOOP_ALL EVBREAK_ALL
788 #if EV_PROTOTYPES 825 #if EV_PROTOTYPES
789 EV_INLINE void ev_loop (EV_P_ int flags) { ev_run (EV_A_ flags); } 826 EV_INLINE void ev_loop (EV_P_ int flags) { ev_run (EV_A_ flags); }
790 EV_INLINE void ev_unloop (EV_P_ int how ) { ev_break (EV_A_ how ); } 827 EV_INLINE void ev_unloop (EV_P_ int how ) { ev_break (EV_A_ how ); }
828 EV_INLINE void ev_default_destroy (void) { ev_loop_destroy (EV_DEFAULT); }
829 EV_INLINE void ev_default_fork (void) { ev_loop_fork (EV_DEFAULT); }
791 #if EV_FEATURE_API 830 #if EV_FEATURE_API
792 EV_INLINE void ev_loop_count (EV_P) { ev_iteration (EV_A); } 831 EV_INLINE unsigned int ev_loop_count (EV_P) { return ev_iteration (EV_A); }
793 EV_INLINE void ev_loop_depth (EV_P) { ev_depth (EV_A); } 832 EV_INLINE unsigned int ev_loop_depth (EV_P) { return ev_depth (EV_A); }
794 EV_INLINE void ev_loop_verify (EV_P) { ev_verify (EV_A); } 833 EV_INLINE void ev_loop_verify (EV_P) { ev_verify (EV_A); }
795 #endif 834 #endif
796 #endif 835 #endif
797#else 836#else
798 typedef struct ev_loop ev_loop; 837 typedef struct ev_loop ev_loop;
799#endif 838#endif

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