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Comparing libev/ev.h (file contents):
Revision 1.159 by root, Wed Feb 16 08:02:50 2011 UTC vs.
Revision 1.196 by root, Thu Jul 11 04:35:48 2019 UTC

1/* 1/*
2 * libev native API header 2 * libev native API header
3 * 3 *
4 * Copyright (c) 2007,2008,2009,2010,2011 Marc Alexander Lehmann <libev@schmorp.de> 4 * Copyright (c) 2007-2019 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 *
… …
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 44# define EV_CPP(x) x
45# if __cplusplus >= 201103L
46# define EV_NOEXCEPT noexcept
47# else
48# define EV_NOEXCEPT
49# endif
45#else 50#else
46# define EV_CPP(x) 51# define EV_CPP(x)
52# define EV_NOEXCEPT
47#endif 53#endif
54#define EV_THROW EV_NOEXCEPT /* pre-4.25, do not use in new code */
48 55
49EV_CPP(extern "C" {) 56EV_CPP(extern "C" {)
50 57
51/*****************************************************************************/ 58/*****************************************************************************/
52 59
… …
54#ifndef EV_COMPAT3 61#ifndef EV_COMPAT3
55# define EV_COMPAT3 1 62# define EV_COMPAT3 1
56#endif 63#endif
57 64
58#ifndef EV_FEATURES 65#ifndef EV_FEATURES
66# if defined __OPTIMIZE_SIZE__
67# define EV_FEATURES 0x7c
68# else
59# define EV_FEATURES 0x7f 69# define EV_FEATURES 0x7f
70# endif
60#endif 71#endif
61 72
62#define EV_FEATURE_CODE ((EV_FEATURES) & 1) 73#define EV_FEATURE_CODE ((EV_FEATURES) & 1)
63#define EV_FEATURE_DATA ((EV_FEATURES) & 2) 74#define EV_FEATURE_DATA ((EV_FEATURES) & 2)
64#define EV_FEATURE_CONFIG ((EV_FEATURES) & 4) 75#define EV_FEATURE_CONFIG ((EV_FEATURES) & 4)
… …
138# define EV_SIGNAL_ENABLE 1 149# define EV_SIGNAL_ENABLE 1
139#endif 150#endif
140 151
141/*****************************************************************************/ 152/*****************************************************************************/
142 153
143typedef double ev_tstamp; 154#ifndef EV_TSTAMP_T
155# define EV_TSTAMP_T double
156#endif
157typedef EV_TSTAMP_T ev_tstamp;
158
159#include <string.h> /* for memmove */
144 160
145#ifndef EV_ATOMIC_T 161#ifndef EV_ATOMIC_T
146# include <signal.h> 162# include <signal.h>
147# define EV_ATOMIC_T sig_atomic_t volatile 163# define EV_ATOMIC_T sig_atomic_t volatile
148#endif 164#endif
… …
183# define EV_INLINE static inline 199# define EV_INLINE static inline
184#else 200#else
185# define EV_INLINE static 201# define EV_INLINE static
186#endif 202#endif
187 203
204#ifdef EV_API_STATIC
205# define EV_API_DECL static
206#else
207# define EV_API_DECL extern
208#endif
209
188/* EV_PROTOTYPES can be sued to switch of prototype declarations */ 210/* EV_PROTOTYPES can be used to switch of prototype declarations */
189#ifndef EV_PROTOTYPES 211#ifndef EV_PROTOTYPES
190# define EV_PROTOTYPES 1 212# define EV_PROTOTYPES 1
191#endif 213#endif
192 214
193/*****************************************************************************/ 215/*****************************************************************************/
194 216
195#define EV_VERSION_MAJOR 4 217#define EV_VERSION_MAJOR 4
196#define EV_VERSION_MINOR 3 218#define EV_VERSION_MINOR 27
197 219
198/* eventmask, revents, events... */ 220/* eventmask, revents, events... */
199enum { 221enum {
200 EV_UNDEF = 0xFFFFFFFF, /* guaranteed to be invalid */ 222 EV_UNDEF = (int)0xFFFFFFFF, /* guaranteed to be invalid */
201 EV_NONE = 0x00, /* no events */ 223 EV_NONE = 0x00, /* no events */
202 EV_READ = 0x01, /* ev_io detected read will not block */ 224 EV_READ = 0x01, /* ev_io detected read will not block */
203 EV_WRITE = 0x02, /* ev_io detected write will not block */ 225 EV_WRITE = 0x02, /* ev_io detected write will not block */
204 EV__IOFDSET = 0x80, /* internal use only */ 226 EV__IOFDSET = 0x80, /* internal use only */
205 EV_IO = EV_READ, /* alias for type-detection */ 227 EV_IO = EV_READ, /* alias for type-detection */
206 EV_TIMER = 0x00000100, /* timer timed out */ 228 EV_TIMER = 0x00000100, /* timer timed out */
207#if EV_COMPAT3 229#if EV_COMPAT3
208 EV_TIMEOUT = EV_TIMER, /* pre 4.0 API compatibility */ 230 EV_TIMEOUT = EV_TIMER, /* pre 4.0 API compatibility */
209#endif 231#endif
210 EV_PERIODIC = 0x00000200, /* periodic timer timed out */ 232 EV_PERIODIC = 0x00000200, /* periodic timer timed out */
211 EV_SIGNAL = 0x00000400, /* signal was received */ 233 EV_SIGNAL = 0x00000400, /* signal was received */
212 EV_CHILD = 0x00000800, /* child/pid had status change */ 234 EV_CHILD = 0x00000800, /* child/pid had status change */
213 EV_STAT = 0x00001000, /* stat data changed */ 235 EV_STAT = 0x00001000, /* stat data changed */
214 EV_IDLE = 0x00002000, /* event loop is idling */ 236 EV_IDLE = 0x00002000, /* event loop is idling */
215 EV_PREPARE = 0x00004000, /* event loop about to poll */ 237 EV_PREPARE = 0x00004000, /* event loop about to poll */
216 EV_CHECK = 0x00008000, /* event loop finished poll */ 238 EV_CHECK = 0x00008000, /* event loop finished poll */
217 EV_EMBED = 0x00010000, /* embedded event loop needs sweep */ 239 EV_EMBED = 0x00010000, /* embedded event loop needs sweep */
218 EV_FORK = 0x00020000, /* event loop resumed in child */ 240 EV_FORK = 0x00020000, /* event loop resumed in child */
219 EV_CLEANUP = 0x00040000, /* event loop resumed in child */ 241 EV_CLEANUP = 0x00040000, /* event loop resumed in child */
220 EV_ASYNC = 0x00080000, /* async intra-loop signal */ 242 EV_ASYNC = 0x00080000, /* async intra-loop signal */
221 EV_CUSTOM = 0x01000000, /* for use by user code */ 243 EV_CUSTOM = 0x01000000, /* for use by user code */
222 EV_ERROR = 0x80000000 /* sent when an error occurs */ 244 EV_ERROR = (int)0x80000000 /* sent when an error occurs */
223}; 245};
224 246
225/* can be used to add custom fields to all watchers, while losing binary compatibility */ 247/* can be used to add custom fields to all watchers, while losing binary compatibility */
226#ifndef EV_COMMON 248#ifndef EV_COMMON
227# define EV_COMMON void *data; 249# define EV_COMMON void *data;
… …
319{ 341{
320 EV_WATCHER_TIME (ev_periodic) 342 EV_WATCHER_TIME (ev_periodic)
321 343
322 ev_tstamp offset; /* rw */ 344 ev_tstamp offset; /* rw */
323 ev_tstamp interval; /* rw */ 345 ev_tstamp interval; /* rw */
324 ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now); /* rw */ 346 ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now) EV_NOEXCEPT; /* rw */
325} ev_periodic; 347} ev_periodic;
326 348
327/* invoked when the given signal has been received */ 349/* invoked when the given signal has been received */
328/* revent EV_SIGNAL */ 350/* revent EV_SIGNAL */
329typedef struct ev_signal 351typedef struct ev_signal
… …
495 EVFLAG_NOSIGMASK = 0x00400000U /* avoid modifying the signal mask */ 517 EVFLAG_NOSIGMASK = 0x00400000U /* avoid modifying the signal mask */
496}; 518};
497 519
498/* method bits to be ored together */ 520/* method bits to be ored together */
499enum { 521enum {
500 EVBACKEND_SELECT = 0x00000001U, /* about anywhere */ 522 EVBACKEND_SELECT = 0x00000001U, /* available just about anywhere */
501 EVBACKEND_POLL = 0x00000002U, /* !win */ 523 EVBACKEND_POLL = 0x00000002U, /* !win, !aix, broken on osx */
502 EVBACKEND_EPOLL = 0x00000004U, /* linux */ 524 EVBACKEND_EPOLL = 0x00000004U, /* linux */
503 EVBACKEND_KQUEUE = 0x00000008U, /* bsd */ 525 EVBACKEND_KQUEUE = 0x00000008U, /* bsd, broken on osx */
504 EVBACKEND_DEVPOLL = 0x00000010U, /* solaris 8 */ /* NYI */ 526 EVBACKEND_DEVPOLL = 0x00000010U, /* solaris 8 */ /* NYI */
505 EVBACKEND_PORT = 0x00000020U, /* solaris 10 */ 527 EVBACKEND_PORT = 0x00000020U, /* solaris 10 */
528 EVBACKEND_LINUXAIO = 0x00000040U, /* linuix AIO, 4.19+ */
529 EVBACKEND_IOURING = 0x00000080U, /* linux io_uring, 5.1+ */
506 EVBACKEND_ALL = 0x0000003FU, /* all known backends */ 530 EVBACKEND_ALL = 0x000000FFU, /* all known backends */
507 EVBACKEND_MASK = 0x0000FFFFU /* all future backends */ 531 EVBACKEND_MASK = 0x0000FFFFU /* all future backends */
508}; 532};
509 533
510#if EV_PROTOTYPES 534#if EV_PROTOTYPES
511int ev_version_major (void); 535EV_API_DECL int ev_version_major (void) EV_NOEXCEPT;
512int ev_version_minor (void); 536EV_API_DECL int ev_version_minor (void) EV_NOEXCEPT;
513 537
514unsigned int ev_supported_backends (void); 538EV_API_DECL unsigned int ev_supported_backends (void) EV_NOEXCEPT;
515unsigned int ev_recommended_backends (void); 539EV_API_DECL unsigned int ev_recommended_backends (void) EV_NOEXCEPT;
516unsigned int ev_embeddable_backends (void); 540EV_API_DECL unsigned int ev_embeddable_backends (void) EV_NOEXCEPT;
517 541
518ev_tstamp ev_time (void); 542EV_API_DECL ev_tstamp ev_time (void) EV_NOEXCEPT;
519void ev_sleep (ev_tstamp delay); /* sleep for a while */ 543EV_API_DECL void ev_sleep (ev_tstamp delay) EV_NOEXCEPT; /* sleep for a while */
520 544
521/* Sets the allocation function to use, works like realloc. 545/* Sets the allocation function to use, works like realloc.
522 * It is used to allocate and free memory. 546 * It is used to allocate and free memory.
523 * If it returns zero when memory needs to be allocated, the library might abort 547 * If it returns zero when memory needs to be allocated, the library might abort
524 * or take some potentially destructive action. 548 * or take some potentially destructive action.
525 * The default is your system realloc function. 549 * The default is your system realloc function.
526 */ 550 */
527void ev_set_allocator (void *(*cb)(void *ptr, long size)); 551EV_API_DECL void ev_set_allocator (void *(*cb)(void *ptr, long size) EV_NOEXCEPT) EV_NOEXCEPT;
528 552
529/* set the callback function to call on a 553/* set the callback function to call on a
530 * retryable syscall error 554 * retryable syscall error
531 * (such as failed select, poll, epoll_wait) 555 * (such as failed select, poll, epoll_wait)
532 */ 556 */
533void ev_set_syserr_cb (void (*cb)(const char *msg)); 557EV_API_DECL void ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT;
534 558
535#if EV_MULTIPLICITY 559#if EV_MULTIPLICITY
536 560
537/* the default loop is the only one that handles signals and child watchers */ 561/* the default loop is the only one that handles signals and child watchers */
538/* you can call this as often as you like */ 562/* you can call this as often as you like */
539struct ev_loop *ev_default_loop (unsigned int flags EV_CPP (= 0)); 563EV_API_DECL struct ev_loop *ev_default_loop (unsigned int flags EV_CPP (= 0)) EV_NOEXCEPT;
564
565#ifdef EV_API_STATIC
566EV_API_DECL struct ev_loop *ev_default_loop_ptr;
567#endif
540 568
541EV_INLINE struct ev_loop * 569EV_INLINE struct ev_loop *
542ev_default_loop_uc_ (void) 570ev_default_loop_uc_ (void) EV_NOEXCEPT
543{ 571{
544 extern struct ev_loop *ev_default_loop_ptr; 572 extern struct ev_loop *ev_default_loop_ptr;
545 573
546 return ev_default_loop_ptr; 574 return ev_default_loop_ptr;
547} 575}
548 576
549EV_INLINE int 577EV_INLINE int
550ev_is_default_loop (EV_P) 578ev_is_default_loop (EV_P) EV_NOEXCEPT
551{ 579{
552 return EV_A == EV_DEFAULT_UC; 580 return EV_A == EV_DEFAULT_UC;
553} 581}
554 582
555/* create and destroy alternative loops that don't handle signals */ 583/* create and destroy alternative loops that don't handle signals */
556struct ev_loop *ev_loop_new (unsigned int flags EV_CPP (= 0)); 584EV_API_DECL struct ev_loop *ev_loop_new (unsigned int flags EV_CPP (= 0)) EV_NOEXCEPT;
557 585
558ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */ 586EV_API_DECL ev_tstamp ev_now (EV_P) EV_NOEXCEPT; /* time w.r.t. timers and the eventloop, updated after each poll */
559 587
560#else 588#else
561 589
562int ev_default_loop (unsigned int flags EV_CPP (= 0)); /* returns true when successful */ 590EV_API_DECL int ev_default_loop (unsigned int flags EV_CPP (= 0)) EV_NOEXCEPT; /* returns true when successful */
591
592EV_API_DECL ev_tstamp ev_rt_now;
563 593
564EV_INLINE ev_tstamp 594EV_INLINE ev_tstamp
565ev_now (void) 595ev_now (void) EV_NOEXCEPT
566{ 596{
567 extern ev_tstamp ev_rt_now;
568
569 return ev_rt_now; 597 return ev_rt_now;
570} 598}
571 599
572/* looks weird, but ev_is_default_loop (EV_A) still works if this exists */ 600/* looks weird, but ev_is_default_loop (EV_A) still works if this exists */
573EV_INLINE int 601EV_INLINE int
574ev_is_default_loop (void) 602ev_is_default_loop (void) EV_NOEXCEPT
575{ 603{
576 return 1; 604 return 1;
577} 605}
578 606
579#endif /* multiplicity */ 607#endif /* multiplicity */
580 608
581/* destroy event loops, also works for the default loop */ 609/* destroy event loops, also works for the default loop */
582void ev_loop_destroy (EV_P); 610EV_API_DECL void ev_loop_destroy (EV_P);
583 611
584/* this needs to be called after fork, to duplicate the loop */ 612/* this needs to be called after fork, to duplicate the loop */
585/* when you want to re-use it in the child */ 613/* when you want to re-use it in the child */
586/* you can call it in either the parent or the child */ 614/* you can call it in either the parent or the child */
587/* you can actually call it at any time, anywhere :) */ 615/* you can actually call it at any time, anywhere :) */
588void ev_loop_fork (EV_P); 616EV_API_DECL void ev_loop_fork (EV_P) EV_NOEXCEPT;
589 617
590unsigned int ev_backend (EV_P); /* backend in use by loop */ 618EV_API_DECL unsigned int ev_backend (EV_P) EV_NOEXCEPT; /* backend in use by loop */
591 619
592void ev_now_update (EV_P); /* update event loop time */ 620EV_API_DECL void ev_now_update (EV_P) EV_NOEXCEPT; /* update event loop time */
593 621
594#if EV_WALK_ENABLE 622#if EV_WALK_ENABLE
595/* walk (almost) all watchers in the loop of a given type, invoking the */ 623/* walk (almost) all watchers in the loop of a given type, invoking the */
596/* callback on every such watcher. The callback might stop the watcher, */ 624/* callback on every such watcher. The callback might stop the watcher, */
597/* but do nothing else with the loop */ 625/* but do nothing else with the loop */
598void ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)); 626EV_API_DECL void ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_NOEXCEPT;
599#endif 627#endif
600 628
601#endif /* prototypes */ 629#endif /* prototypes */
602 630
603/* ev_run flags values */ 631/* ev_run flags values */
… …
612 EVBREAK_ONE = 1, /* unloop once */ 640 EVBREAK_ONE = 1, /* unloop once */
613 EVBREAK_ALL = 2 /* unloop all loops */ 641 EVBREAK_ALL = 2 /* unloop all loops */
614}; 642};
615 643
616#if EV_PROTOTYPES 644#if EV_PROTOTYPES
617void ev_run (EV_P_ int flags EV_CPP (= 0)); 645EV_API_DECL int ev_run (EV_P_ int flags EV_CPP (= 0));
618void ev_break (EV_P_ int how EV_CPP (= EVBREAK_ONE)); /* break out of the loop */ 646EV_API_DECL void ev_break (EV_P_ int how EV_CPP (= EVBREAK_ONE)) EV_NOEXCEPT; /* break out of the loop */
619 647
620/* 648/*
621 * ref/unref can be used to add or remove a refcount on the mainloop. every watcher 649 * ref/unref can be used to add or remove a refcount on the mainloop. every watcher
622 * keeps one reference. if you have a long-running watcher you never unregister that 650 * keeps one reference. if you have a long-running watcher you never unregister that
623 * should not keep ev_loop from running, unref() after starting, and ref() before stopping. 651 * should not keep ev_loop from running, unref() after starting, and ref() before stopping.
624 */ 652 */
625void ev_ref (EV_P); 653EV_API_DECL void ev_ref (EV_P) EV_NOEXCEPT;
626void ev_unref (EV_P); 654EV_API_DECL void ev_unref (EV_P) EV_NOEXCEPT;
627 655
628/* 656/*
629 * convenience function, wait for a single event, without registering an event watcher 657 * convenience function, wait for a single event, without registering an event watcher
630 * if timeout is < 0, do wait indefinitely 658 * if timeout is < 0, do wait indefinitely
631 */ 659 */
632void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); 660EV_API_DECL void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_NOEXCEPT;
633 661
634# if EV_FEATURE_API 662# if EV_FEATURE_API
635unsigned int ev_iteration (EV_P); /* number of loop iterations */ 663EV_API_DECL unsigned int ev_iteration (EV_P) EV_NOEXCEPT; /* number of loop iterations */
636unsigned int ev_depth (EV_P); /* #ev_loop enters - #ev_loop leaves */ 664EV_API_DECL unsigned int ev_depth (EV_P) EV_NOEXCEPT; /* #ev_loop enters - #ev_loop leaves */
637void ev_verify (EV_P); /* abort if loop data corrupted */ 665EV_API_DECL void ev_verify (EV_P) EV_NOEXCEPT; /* abort if loop data corrupted */
638 666
639void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */ 667EV_API_DECL void ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT; /* sleep at least this time, default 0 */
640void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */ 668EV_API_DECL void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT; /* sleep at least this time, default 0 */
641 669
642/* advanced stuff for threading etc. support, see docs */ 670/* advanced stuff for threading etc. support, see docs */
643void ev_set_userdata (EV_P_ void *data); 671EV_API_DECL void ev_set_userdata (EV_P_ void *data) EV_NOEXCEPT;
644void *ev_userdata (EV_P); 672EV_API_DECL void *ev_userdata (EV_P) EV_NOEXCEPT;
645void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)); 673typedef void (*ev_loop_callback)(EV_P);
674EV_API_DECL void ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_NOEXCEPT;
675/* C++ doesn't allow the use of the ev_loop_callback typedef here, so we need to spell it out */
646void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)); 676EV_API_DECL void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_NOEXCEPT, void (*acquire)(EV_P) EV_NOEXCEPT) EV_NOEXCEPT;
647 677
648unsigned int ev_pending_count (EV_P); /* number of pending events, if any */ 678EV_API_DECL unsigned int ev_pending_count (EV_P) EV_NOEXCEPT; /* number of pending events, if any */
649void ev_invoke_pending (EV_P); /* invoke all pending watchers */ 679EV_API_DECL void ev_invoke_pending (EV_P); /* invoke all pending watchers */
650 680
651/* 681/*
652 * stop/start the timer handling. 682 * stop/start the timer handling.
653 */ 683 */
654void ev_suspend (EV_P); 684EV_API_DECL void ev_suspend (EV_P) EV_NOEXCEPT;
655void ev_resume (EV_P); 685EV_API_DECL void ev_resume (EV_P) EV_NOEXCEPT;
656#endif 686#endif
657 687
658#endif 688#endif
659 689
660/* these may evaluate ev multiple times, and the other arguments at most once */ 690/* these may evaluate ev multiple times, and the other arguments at most once */
… …
695#define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0) 725#define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0)
696 726
697#define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ 727#define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */
698#define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ 728#define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */
699 729
700#define ev_cb(ev) (ev)->cb /* rw */ 730#define ev_cb_(ev) (ev)->cb /* rw */
731#define ev_cb(ev) (memmove (&ev_cb_ (ev), &((ev_watcher *)(ev))->cb, sizeof (ev_cb_ (ev))), (ev)->cb)
701 732
702#if EV_MINPRI == EV_MAXPRI 733#if EV_MINPRI == EV_MAXPRI
703# define ev_priority(ev) ((ev), EV_MINPRI) 734# define ev_priority(ev) ((ev), EV_MINPRI)
704# define ev_set_priority(ev,pri) ((ev), (pri)) 735# define ev_set_priority(ev,pri) ((ev), (pri))
705#else 736#else
… …
708#endif 739#endif
709 740
710#define ev_periodic_at(ev) (+((ev_watcher_time *)(ev))->at) 741#define ev_periodic_at(ev) (+((ev_watcher_time *)(ev))->at)
711 742
712#ifndef ev_set_cb 743#ifndef ev_set_cb
713# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) 744# define ev_set_cb(ev,cb_) (ev_cb_ (ev) = (cb_), memmove (&((ev_watcher *)(ev))->cb, &ev_cb_ (ev), sizeof (ev_cb_ (ev))))
714#endif 745#endif
715 746
716/* stopping (enabling, adding) a watcher does nothing if it is already running */ 747/* stopping (enabling, adding) a watcher does nothing if it is already running */
717/* stopping (disabling, deleting) a watcher does nothing unless its already running */ 748/* stopping (disabling, deleting) a watcher does nothing unless it's already running */
718#if EV_PROTOTYPES 749#if EV_PROTOTYPES
719 750
720/* feeds an event into a watcher as if the event actually occured */ 751/* feeds an event into a watcher as if the event actually occurred */
721/* accepts any ev_watcher type */ 752/* accepts any ev_watcher type */
722void ev_feed_event (EV_P_ void *w, int revents); 753EV_API_DECL void ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT;
723void ev_feed_fd_event (EV_P_ int fd, int revents); 754EV_API_DECL void ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT;
724#if EV_SIGNAL_ENABLE 755#if EV_SIGNAL_ENABLE
725void ev_feed_signal (int signum); 756EV_API_DECL void ev_feed_signal (int signum) EV_NOEXCEPT;
726void ev_feed_signal_event (EV_P_ int signum); 757EV_API_DECL void ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT;
727#endif 758#endif
728void ev_invoke (EV_P_ void *w, int revents); 759EV_API_DECL void ev_invoke (EV_P_ void *w, int revents);
729int ev_clear_pending (EV_P_ void *w); 760EV_API_DECL int ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT;
730 761
731void ev_io_start (EV_P_ ev_io *w); 762EV_API_DECL void ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT;
732void ev_io_stop (EV_P_ ev_io *w); 763EV_API_DECL void ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT;
733 764
734void ev_timer_start (EV_P_ ev_timer *w); 765EV_API_DECL void ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT;
735void ev_timer_stop (EV_P_ ev_timer *w); 766EV_API_DECL void ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT;
736/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ 767/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */
737void ev_timer_again (EV_P_ ev_timer *w); 768EV_API_DECL void ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT;
738/* return remaining time */ 769/* return remaining time */
739ev_tstamp ev_timer_remaining (EV_P_ ev_timer *w); 770EV_API_DECL ev_tstamp ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT;
740 771
741#if EV_PERIODIC_ENABLE 772#if EV_PERIODIC_ENABLE
742void ev_periodic_start (EV_P_ ev_periodic *w); 773EV_API_DECL void ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT;
743void ev_periodic_stop (EV_P_ ev_periodic *w); 774EV_API_DECL void ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT;
744void ev_periodic_again (EV_P_ ev_periodic *w); 775EV_API_DECL void ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT;
745#endif 776#endif
746 777
747/* only supported in the default loop */ 778/* only supported in the default loop */
748#if EV_SIGNAL_ENABLE 779#if EV_SIGNAL_ENABLE
749void ev_signal_start (EV_P_ ev_signal *w); 780EV_API_DECL void ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT;
750void ev_signal_stop (EV_P_ ev_signal *w); 781EV_API_DECL void ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT;
751#endif 782#endif
752 783
753/* only supported in the default loop */ 784/* only supported in the default loop */
754# if EV_CHILD_ENABLE 785# if EV_CHILD_ENABLE
755void ev_child_start (EV_P_ ev_child *w); 786EV_API_DECL void ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT;
756void ev_child_stop (EV_P_ ev_child *w); 787EV_API_DECL void ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT;
757# endif 788# endif
758 789
759# if EV_STAT_ENABLE 790# if EV_STAT_ENABLE
760void ev_stat_start (EV_P_ ev_stat *w); 791EV_API_DECL void ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT;
761void ev_stat_stop (EV_P_ ev_stat *w); 792EV_API_DECL void ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT;
762void ev_stat_stat (EV_P_ ev_stat *w); 793EV_API_DECL void ev_stat_stat (EV_P_ ev_stat *w) EV_NOEXCEPT;
763# endif 794# endif
764 795
765# if EV_IDLE_ENABLE 796# if EV_IDLE_ENABLE
766void ev_idle_start (EV_P_ ev_idle *w); 797EV_API_DECL void ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT;
767void ev_idle_stop (EV_P_ ev_idle *w); 798EV_API_DECL void ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT;
768# endif 799# endif
769 800
770#if EV_PREPARE_ENABLE 801#if EV_PREPARE_ENABLE
771void ev_prepare_start (EV_P_ ev_prepare *w); 802EV_API_DECL void ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT;
772void ev_prepare_stop (EV_P_ ev_prepare *w); 803EV_API_DECL void ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT;
773#endif 804#endif
774 805
775#if EV_CHECK_ENABLE 806#if EV_CHECK_ENABLE
776void ev_check_start (EV_P_ ev_check *w); 807EV_API_DECL void ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT;
777void ev_check_stop (EV_P_ ev_check *w); 808EV_API_DECL void ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT;
778#endif 809#endif
779 810
780# if EV_FORK_ENABLE 811# if EV_FORK_ENABLE
781void ev_fork_start (EV_P_ ev_fork *w); 812EV_API_DECL void ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT;
782void ev_fork_stop (EV_P_ ev_fork *w); 813EV_API_DECL void ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT;
783# endif 814# endif
784 815
785# if EV_CLEANUP_ENABLE 816# if EV_CLEANUP_ENABLE
786void ev_cleanup_start (EV_P_ ev_cleanup *w); 817EV_API_DECL void ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT;
787void ev_cleanup_stop (EV_P_ ev_cleanup *w); 818EV_API_DECL void ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT;
788# endif 819# endif
789 820
790# if EV_EMBED_ENABLE 821# if EV_EMBED_ENABLE
791/* only supported when loop to be embedded is in fact embeddable */ 822/* only supported when loop to be embedded is in fact embeddable */
792void ev_embed_start (EV_P_ ev_embed *w); 823EV_API_DECL void ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT;
793void ev_embed_stop (EV_P_ ev_embed *w); 824EV_API_DECL void ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT;
794void ev_embed_sweep (EV_P_ ev_embed *w); 825EV_API_DECL void ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT;
795# endif 826# endif
796 827
797# if EV_ASYNC_ENABLE 828# if EV_ASYNC_ENABLE
798void ev_async_start (EV_P_ ev_async *w); 829EV_API_DECL void ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT;
799void ev_async_stop (EV_P_ ev_async *w); 830EV_API_DECL void ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT;
800void ev_async_send (EV_P_ ev_async *w); 831EV_API_DECL void ev_async_send (EV_P_ ev_async *w) EV_NOEXCEPT;
801# endif 832# endif
802 833
803#if EV_COMPAT3 834#if EV_COMPAT3
804 #define EVLOOP_NONBLOCK EVRUN_NOWAIT 835 #define EVLOOP_NONBLOCK EVRUN_NOWAIT
805 #define EVLOOP_ONESHOT EVRUN_ONCE 836 #define EVLOOP_ONESHOT EVRUN_ONCE

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