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Comparing libev/ev.h (file contents):
Revision 1.153 by root, Mon Oct 25 09:53:08 2010 UTC vs.
Revision 1.184 by root, Sun Dec 20 01:35:55 2015 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) 2007,2008,2009,2010,2011,2012,2015 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,
… …
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_THROW noexcept
47# else
48# define EV_THROW throw ()
49# endif
45#else 50#else
46# define EV_CPP(x) 51# define EV_CPP(x)
52# define EV_THROW
47#endif 53#endif
48 54
49EV_CPP(extern "C" {) 55EV_CPP(extern "C" {)
50 56
51/*****************************************************************************/ 57/*****************************************************************************/
… …
54#ifndef EV_COMPAT3 60#ifndef EV_COMPAT3
55# define EV_COMPAT3 1 61# define EV_COMPAT3 1
56#endif 62#endif
57 63
58#ifndef EV_FEATURES 64#ifndef EV_FEATURES
65# if defined __OPTIMIZE_SIZE__
66# define EV_FEATURES 0x7c
67# else
59# define EV_FEATURES 0x7f 68# define EV_FEATURES 0x7f
69# endif
60#endif 70#endif
61 71
62#define EV_FEATURE_CODE ((EV_FEATURES) & 1) 72#define EV_FEATURE_CODE ((EV_FEATURES) & 1)
63#define EV_FEATURE_DATA ((EV_FEATURES) & 2) 73#define EV_FEATURE_DATA ((EV_FEATURES) & 2)
64#define EV_FEATURE_CONFIG ((EV_FEATURES) & 4) 74#define EV_FEATURE_CONFIG ((EV_FEATURES) & 4)
… …
139#endif 149#endif
140 150
141/*****************************************************************************/ 151/*****************************************************************************/
142 152
143typedef double ev_tstamp; 153typedef double ev_tstamp;
154
155#include <string.h> /* for memmove */
144 156
145#ifndef EV_ATOMIC_T 157#ifndef EV_ATOMIC_T
146# include <signal.h> 158# include <signal.h>
147# define EV_ATOMIC_T sig_atomic_t volatile 159# define EV_ATOMIC_T sig_atomic_t volatile
148#endif 160#endif
… …
183# define EV_INLINE static inline 195# define EV_INLINE static inline
184#else 196#else
185# define EV_INLINE static 197# define EV_INLINE static
186#endif 198#endif
187 199
200#ifdef EV_API_STATIC
201# define EV_API_DECL static
202#else
203# define EV_API_DECL extern
204#endif
205
188/* EV_PROTOTYPES can be sued to switch of prototype declarations */ 206/* EV_PROTOTYPES can be used to switch of prototype declarations */
189#ifndef EV_PROTOTYPES 207#ifndef EV_PROTOTYPES
190# define EV_PROTOTYPES 1 208# define EV_PROTOTYPES 1
191#endif 209#endif
192 210
193/*****************************************************************************/ 211/*****************************************************************************/
194 212
195#define EV_VERSION_MAJOR 4 213#define EV_VERSION_MAJOR 4
196#define EV_VERSION_MINOR 0 214#define EV_VERSION_MINOR 22
197 215
198/* eventmask, revents, events... */ 216/* eventmask, revents, events... */
199enum { 217enum {
200 EV_UNDEF = -1, /* guaranteed to be invalid */ 218 EV_UNDEF = (int)0xFFFFFFFF, /* guaranteed to be invalid */
201 EV_NONE = 0x00, /* no events */ 219 EV_NONE = 0x00, /* no events */
202 EV_READ = 0x01, /* ev_io detected read will not block */ 220 EV_READ = 0x01, /* ev_io detected read will not block */
203 EV_WRITE = 0x02, /* ev_io detected write will not block */ 221 EV_WRITE = 0x02, /* ev_io detected write will not block */
204 EV__IOFDSET = 0x80, /* internal use only */ 222 EV__IOFDSET = 0x80, /* internal use only */
205 EV_IO = EV_READ, /* alias for type-detection */ 223 EV_IO = EV_READ, /* alias for type-detection */
206 EV_TIMER = 0x00000100, /* timer timed out */ 224 EV_TIMER = 0x00000100, /* timer timed out */
207#if EV_COMPAT3 225#if EV_COMPAT3
208 EV_TIMEOUT = EV_TIMER, /* pre 4.0 API compatibility */ 226 EV_TIMEOUT = EV_TIMER, /* pre 4.0 API compatibility */
209#endif 227#endif
210 EV_PERIODIC = 0x00000200, /* periodic timer timed out */ 228 EV_PERIODIC = 0x00000200, /* periodic timer timed out */
211 EV_SIGNAL = 0x00000400, /* signal was received */ 229 EV_SIGNAL = 0x00000400, /* signal was received */
212 EV_CHILD = 0x00000800, /* child/pid had status change */ 230 EV_CHILD = 0x00000800, /* child/pid had status change */
213 EV_STAT = 0x00001000, /* stat data changed */ 231 EV_STAT = 0x00001000, /* stat data changed */
214 EV_IDLE = 0x00002000, /* event loop is idling */ 232 EV_IDLE = 0x00002000, /* event loop is idling */
215 EV_PREPARE = 0x00004000, /* event loop about to poll */ 233 EV_PREPARE = 0x00004000, /* event loop about to poll */
216 EV_CHECK = 0x00008000, /* event loop finished poll */ 234 EV_CHECK = 0x00008000, /* event loop finished poll */
217 EV_EMBED = 0x00010000, /* embedded event loop needs sweep */ 235 EV_EMBED = 0x00010000, /* embedded event loop needs sweep */
218 EV_FORK = 0x00020000, /* event loop resumed in child */ 236 EV_FORK = 0x00020000, /* event loop resumed in child */
219 EV_CLEANUP = 0x00040000, /* event loop resumed in child */ 237 EV_CLEANUP = 0x00040000, /* event loop resumed in child */
220 EV_ASYNC = 0x00080000, /* async intra-loop signal */ 238 EV_ASYNC = 0x00080000, /* async intra-loop signal */
221 EV_CUSTOM = 0x01000000, /* for use by user code */ 239 EV_CUSTOM = 0x01000000, /* for use by user code */
222 EV_ERROR = 0x80000000 /* sent when an error occurs */ 240 EV_ERROR = (int)0x80000000 /* sent when an error occurs */
223}; 241};
224 242
225/* can be used to add custom fields to all watchers, while losing binary compatibility */ 243/* can be used to add custom fields to all watchers, while losing binary compatibility */
226#ifndef EV_COMMON 244#ifndef EV_COMMON
227# define EV_COMMON void *data; 245# define EV_COMMON void *data;
… …
319{ 337{
320 EV_WATCHER_TIME (ev_periodic) 338 EV_WATCHER_TIME (ev_periodic)
321 339
322 ev_tstamp offset; /* rw */ 340 ev_tstamp offset; /* rw */
323 ev_tstamp interval; /* rw */ 341 ev_tstamp interval; /* rw */
324 ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now); /* rw */ 342 ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now) EV_THROW; /* rw */
325} ev_periodic; 343} ev_periodic;
326 344
327/* invoked when the given signal has been received */ 345/* invoked when the given signal has been received */
328/* revent EV_SIGNAL */ 346/* revent EV_SIGNAL */
329typedef struct ev_signal 347typedef struct ev_signal
… …
489 /* debugging/feature disable */ 507 /* debugging/feature disable */
490 EVFLAG_NOINOTIFY = 0x00100000U, /* do not attempt to use inotify */ 508 EVFLAG_NOINOTIFY = 0x00100000U, /* do not attempt to use inotify */
491#if EV_COMPAT3 509#if EV_COMPAT3
492 EVFLAG_NOSIGFD = 0, /* compatibility to pre-3.9 */ 510 EVFLAG_NOSIGFD = 0, /* compatibility to pre-3.9 */
493#endif 511#endif
494 EVFLAG_SIGNALFD = 0x00200000U /* attempt to use signalfd */ 512 EVFLAG_SIGNALFD = 0x00200000U, /* attempt to use signalfd */
513 EVFLAG_NOSIGMASK = 0x00400000U /* avoid modifying the signal mask */
495}; 514};
496 515
497/* method bits to be ored together */ 516/* method bits to be ored together */
498enum { 517enum {
499 EVBACKEND_SELECT = 0x00000001U, /* about anywhere */ 518 EVBACKEND_SELECT = 0x00000001U, /* about anywhere */
500 EVBACKEND_POLL = 0x00000002U, /* !win */ 519 EVBACKEND_POLL = 0x00000002U, /* !win */
501 EVBACKEND_EPOLL = 0x00000004U, /* linux */ 520 EVBACKEND_EPOLL = 0x00000004U, /* linux */
502 EVBACKEND_KQUEUE = 0x00000008U, /* bsd */ 521 EVBACKEND_KQUEUE = 0x00000008U, /* bsd */
503 EVBACKEND_DEVPOLL = 0x00000010U, /* solaris 8 */ /* NYI */ 522 EVBACKEND_DEVPOLL = 0x00000010U, /* solaris 8 */ /* NYI */
504 EVBACKEND_PORT = 0x00000020U, /* solaris 10 */ 523 EVBACKEND_PORT = 0x00000020U, /* solaris 10 */
505 EVBACKEND_ALL = 0x0000003FU 524 EVBACKEND_ALL = 0x0000003FU, /* all known backends */
525 EVBACKEND_MASK = 0x0000FFFFU /* all future backends */
506}; 526};
507 527
508#if EV_PROTOTYPES 528#if EV_PROTOTYPES
509int ev_version_major (void); 529EV_API_DECL int ev_version_major (void) EV_THROW;
510int ev_version_minor (void); 530EV_API_DECL int ev_version_minor (void) EV_THROW;
511 531
512unsigned int ev_supported_backends (void); 532EV_API_DECL unsigned int ev_supported_backends (void) EV_THROW;
513unsigned int ev_recommended_backends (void); 533EV_API_DECL unsigned int ev_recommended_backends (void) EV_THROW;
514unsigned int ev_embeddable_backends (void); 534EV_API_DECL unsigned int ev_embeddable_backends (void) EV_THROW;
515 535
516ev_tstamp ev_time (void); 536EV_API_DECL ev_tstamp ev_time (void) EV_THROW;
517void ev_sleep (ev_tstamp delay); /* sleep for a while */ 537EV_API_DECL void ev_sleep (ev_tstamp delay) EV_THROW; /* sleep for a while */
518 538
519/* Sets the allocation function to use, works like realloc. 539/* Sets the allocation function to use, works like realloc.
520 * It is used to allocate and free memory. 540 * It is used to allocate and free memory.
521 * If it returns zero when memory needs to be allocated, the library might abort 541 * If it returns zero when memory needs to be allocated, the library might abort
522 * or take some potentially destructive action. 542 * or take some potentially destructive action.
523 * The default is your system realloc function. 543 * The default is your system realloc function.
524 */ 544 */
525void ev_set_allocator (void *(*cb)(void *ptr, long size)); 545EV_API_DECL void ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW;
526 546
527/* set the callback function to call on a 547/* set the callback function to call on a
528 * retryable syscall error 548 * retryable syscall error
529 * (such as failed select, poll, epoll_wait) 549 * (such as failed select, poll, epoll_wait)
530 */ 550 */
531void ev_set_syserr_cb (void (*cb)(const char *msg)); 551EV_API_DECL void ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW;
532 552
533#if EV_MULTIPLICITY 553#if EV_MULTIPLICITY
534 554
535/* the default loop is the only one that handles signals and child watchers */ 555/* the default loop is the only one that handles signals and child watchers */
536/* you can call this as often as you like */ 556/* you can call this as often as you like */
537struct ev_loop *ev_default_loop (unsigned int flags EV_CPP (= 0)); 557EV_API_DECL struct ev_loop *ev_default_loop (unsigned int flags EV_CPP (= 0)) EV_THROW;
558
559#ifdef EV_API_STATIC
560EV_API_DECL struct ev_loop *ev_default_loop_ptr;
561#endif
538 562
539EV_INLINE struct ev_loop * 563EV_INLINE struct ev_loop *
540ev_default_loop_uc_ (void) 564ev_default_loop_uc_ (void) EV_THROW
541{ 565{
542 extern struct ev_loop *ev_default_loop_ptr; 566 extern struct ev_loop *ev_default_loop_ptr;
543 567
544 return ev_default_loop_ptr; 568 return ev_default_loop_ptr;
545} 569}
546 570
547EV_INLINE int 571EV_INLINE int
548ev_is_default_loop (EV_P) 572ev_is_default_loop (EV_P) EV_THROW
549{ 573{
550 return EV_A == EV_DEFAULT_UC; 574 return EV_A == EV_DEFAULT_UC;
551} 575}
552 576
553/* create and destroy alternative loops that don't handle signals */ 577/* create and destroy alternative loops that don't handle signals */
554struct ev_loop *ev_loop_new (unsigned int flags EV_CPP (= 0)); 578EV_API_DECL struct ev_loop *ev_loop_new (unsigned int flags EV_CPP (= 0)) EV_THROW;
555 579
556ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */ 580EV_API_DECL ev_tstamp ev_now (EV_P) EV_THROW; /* time w.r.t. timers and the eventloop, updated after each poll */
557 581
558#else 582#else
559 583
560int ev_default_loop (unsigned int flags EV_CPP (= 0)); /* returns true when successful */ 584EV_API_DECL int ev_default_loop (unsigned int flags EV_CPP (= 0)) EV_THROW; /* returns true when successful */
585
586EV_API_DECL ev_tstamp ev_rt_now;
561 587
562EV_INLINE ev_tstamp 588EV_INLINE ev_tstamp
563ev_now (void) 589ev_now (void) EV_THROW
564{ 590{
565 extern ev_tstamp ev_rt_now;
566
567 return ev_rt_now; 591 return ev_rt_now;
568} 592}
569 593
570/* looks weird, but ev_is_default_loop (EV_A) still works if this exists */ 594/* looks weird, but ev_is_default_loop (EV_A) still works if this exists */
571EV_INLINE int 595EV_INLINE int
572ev_is_default_loop (void) 596ev_is_default_loop (void) EV_THROW
573{ 597{
574 return 1; 598 return 1;
575} 599}
576 600
577#endif /* multiplicity */ 601#endif /* multiplicity */
578 602
579/* destroy event loops, also works for the default loop */ 603/* destroy event loops, also works for the default loop */
580void ev_loop_destroy (EV_P); 604EV_API_DECL void ev_loop_destroy (EV_P);
581 605
582/* this needs to be called after fork, to duplicate the loop */ 606/* this needs to be called after fork, to duplicate the loop */
583/* when you want to re-use it in the child */ 607/* when you want to re-use it in the child */
584/* you can call it in either the parent or the child */ 608/* you can call it in either the parent or the child */
585/* you can actually call it at any time, anywhere :) */ 609/* you can actually call it at any time, anywhere :) */
586void ev_loop_fork (EV_P); 610EV_API_DECL void ev_loop_fork (EV_P) EV_THROW;
587 611
588unsigned int ev_backend (EV_P); /* backend in use by loop */ 612EV_API_DECL unsigned int ev_backend (EV_P) EV_THROW; /* backend in use by loop */
589 613
590void ev_now_update (EV_P); /* update event loop time */ 614EV_API_DECL void ev_now_update (EV_P) EV_THROW; /* update event loop time */
591 615
592#if EV_WALK_ENABLE 616#if EV_WALK_ENABLE
593/* walk (almost) all watchers in the loop of a given type, invoking the */ 617/* walk (almost) all watchers in the loop of a given type, invoking the */
594/* callback on every such watcher. The callback might stop the watcher, */ 618/* callback on every such watcher. The callback might stop the watcher, */
595/* but do nothing else with the loop */ 619/* but do nothing else with the loop */
596void ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)); 620EV_API_DECL void ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW;
597#endif 621#endif
598 622
599#endif /* prototypes */ 623#endif /* prototypes */
600 624
601/* ev_run flags values */ 625/* ev_run flags values */
… …
610 EVBREAK_ONE = 1, /* unloop once */ 634 EVBREAK_ONE = 1, /* unloop once */
611 EVBREAK_ALL = 2 /* unloop all loops */ 635 EVBREAK_ALL = 2 /* unloop all loops */
612}; 636};
613 637
614#if EV_PROTOTYPES 638#if EV_PROTOTYPES
615void ev_run (EV_P_ int flags EV_CPP (= 0)); 639EV_API_DECL int ev_run (EV_P_ int flags EV_CPP (= 0));
616void ev_break (EV_P_ int how EV_CPP (= EVBREAK_ONE)); /* break out of the loop */ 640EV_API_DECL void ev_break (EV_P_ int how EV_CPP (= EVBREAK_ONE)) EV_THROW; /* break out of the loop */
617 641
618/* 642/*
619 * ref/unref can be used to add or remove a refcount on the mainloop. every watcher 643 * ref/unref can be used to add or remove a refcount on the mainloop. every watcher
620 * keeps one reference. if you have a long-running watcher you never unregister that 644 * keeps one reference. if you have a long-running watcher you never unregister that
621 * should not keep ev_loop from running, unref() after starting, and ref() before stopping. 645 * should not keep ev_loop from running, unref() after starting, and ref() before stopping.
622 */ 646 */
623void ev_ref (EV_P); 647EV_API_DECL void ev_ref (EV_P) EV_THROW;
624void ev_unref (EV_P); 648EV_API_DECL void ev_unref (EV_P) EV_THROW;
625 649
626/* 650/*
627 * convenience function, wait for a single event, without registering an event watcher 651 * convenience function, wait for a single event, without registering an event watcher
628 * if timeout is < 0, do wait indefinitely 652 * if timeout is < 0, do wait indefinitely
629 */ 653 */
630void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); 654EV_API_DECL void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW;
631 655
632# if EV_FEATURE_API 656# if EV_FEATURE_API
633unsigned int ev_iteration (EV_P); /* number of loop iterations */ 657EV_API_DECL unsigned int ev_iteration (EV_P) EV_THROW; /* number of loop iterations */
634unsigned int ev_depth (EV_P); /* #ev_loop enters - #ev_loop leaves */ 658EV_API_DECL unsigned int ev_depth (EV_P) EV_THROW; /* #ev_loop enters - #ev_loop leaves */
635void ev_verify (EV_P); /* abort if loop data corrupted */ 659EV_API_DECL void ev_verify (EV_P) EV_THROW; /* abort if loop data corrupted */
636 660
637void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */ 661EV_API_DECL void ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW; /* sleep at least this time, default 0 */
638void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */ 662EV_API_DECL void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW; /* sleep at least this time, default 0 */
639 663
640/* advanced stuff for threading etc. support, see docs */ 664/* advanced stuff for threading etc. support, see docs */
641void ev_set_userdata (EV_P_ void *data); 665EV_API_DECL void ev_set_userdata (EV_P_ void *data) EV_THROW;
642void *ev_userdata (EV_P); 666EV_API_DECL void *ev_userdata (EV_P) EV_THROW;
643void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)); 667typedef void (*ev_loop_callback)(EV_P);
668EV_API_DECL void ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_THROW;
669/* C++ doesn't allow the use of the ev_loop_callback typedef here, so we need to spell it out */
644void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)); 670EV_API_DECL void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW;
645 671
646unsigned int ev_pending_count (EV_P); /* number of pending events, if any */ 672EV_API_DECL unsigned int ev_pending_count (EV_P) EV_THROW; /* number of pending events, if any */
647void ev_invoke_pending (EV_P); /* invoke all pending watchers */ 673EV_API_DECL void ev_invoke_pending (EV_P); /* invoke all pending watchers */
648 674
649/* 675/*
650 * stop/start the timer handling. 676 * stop/start the timer handling.
651 */ 677 */
652void ev_suspend (EV_P); 678EV_API_DECL void ev_suspend (EV_P) EV_THROW;
653void ev_resume (EV_P); 679EV_API_DECL void ev_resume (EV_P) EV_THROW;
654#endif 680#endif
655 681
656#endif 682#endif
657 683
658/* these may evaluate ev multiple times, and the other arguments at most once */ 684/* these may evaluate ev multiple times, and the other arguments at most once */
… …
693#define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0) 719#define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0)
694 720
695#define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ 721#define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */
696#define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ 722#define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */
697 723
698#define ev_cb(ev) (ev)->cb /* rw */ 724#define ev_cb_(ev) (ev)->cb /* rw */
725#define ev_cb(ev) (memmove (&ev_cb_ (ev), &((ev_watcher *)(ev))->cb, sizeof (ev_cb_ (ev))), (ev)->cb)
699 726
700#if EV_MINPRI == EV_MAXPRI 727#if EV_MINPRI == EV_MAXPRI
701# define ev_priority(ev) ((ev), EV_MINPRI) 728# define ev_priority(ev) ((ev), EV_MINPRI)
702# define ev_set_priority(ev,pri) ((ev), (pri)) 729# define ev_set_priority(ev,pri) ((ev), (pri))
703#else 730#else
… …
706#endif 733#endif
707 734
708#define ev_periodic_at(ev) (+((ev_watcher_time *)(ev))->at) 735#define ev_periodic_at(ev) (+((ev_watcher_time *)(ev))->at)
709 736
710#ifndef ev_set_cb 737#ifndef ev_set_cb
711# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) 738# define ev_set_cb(ev,cb_) (ev_cb_ (ev) = (cb_), memmove (&((ev_watcher *)(ev))->cb, &ev_cb_ (ev), sizeof (ev_cb_ (ev))))
712#endif 739#endif
713 740
714/* stopping (enabling, adding) a watcher does nothing if it is already running */ 741/* stopping (enabling, adding) a watcher does nothing if it is already running */
715/* stopping (disabling, deleting) a watcher does nothing unless its already running */ 742/* stopping (disabling, deleting) a watcher does nothing unless it's already running */
716#if EV_PROTOTYPES 743#if EV_PROTOTYPES
717 744
718/* feeds an event into a watcher as if the event actually occured */ 745/* feeds an event into a watcher as if the event actually occurred */
719/* accepts any ev_watcher type */ 746/* accepts any ev_watcher type */
720void ev_feed_event (EV_P_ void *w, int revents); 747EV_API_DECL void ev_feed_event (EV_P_ void *w, int revents) EV_THROW;
721void ev_feed_fd_event (EV_P_ int fd, int revents); 748EV_API_DECL void ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW;
722#if EV_SIGNAL_ENABLE 749#if EV_SIGNAL_ENABLE
750EV_API_DECL void ev_feed_signal (int signum) EV_THROW;
723void ev_feed_signal_event (EV_P_ int signum); 751EV_API_DECL void ev_feed_signal_event (EV_P_ int signum) EV_THROW;
724#endif 752#endif
725void ev_invoke (EV_P_ void *w, int revents); 753EV_API_DECL void ev_invoke (EV_P_ void *w, int revents);
726int ev_clear_pending (EV_P_ void *w); 754EV_API_DECL int ev_clear_pending (EV_P_ void *w) EV_THROW;
727 755
728void ev_io_start (EV_P_ ev_io *w); 756EV_API_DECL void ev_io_start (EV_P_ ev_io *w) EV_THROW;
729void ev_io_stop (EV_P_ ev_io *w); 757EV_API_DECL void ev_io_stop (EV_P_ ev_io *w) EV_THROW;
730 758
731void ev_timer_start (EV_P_ ev_timer *w); 759EV_API_DECL void ev_timer_start (EV_P_ ev_timer *w) EV_THROW;
732void ev_timer_stop (EV_P_ ev_timer *w); 760EV_API_DECL void ev_timer_stop (EV_P_ ev_timer *w) EV_THROW;
733/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ 761/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */
734void ev_timer_again (EV_P_ ev_timer *w); 762EV_API_DECL void ev_timer_again (EV_P_ ev_timer *w) EV_THROW;
735/* return remaining time */ 763/* return remaining time */
736ev_tstamp ev_timer_remaining (EV_P_ ev_timer *w); 764EV_API_DECL ev_tstamp ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW;
737 765
738#if EV_PERIODIC_ENABLE 766#if EV_PERIODIC_ENABLE
739void ev_periodic_start (EV_P_ ev_periodic *w); 767EV_API_DECL void ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW;
740void ev_periodic_stop (EV_P_ ev_periodic *w); 768EV_API_DECL void ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW;
741void ev_periodic_again (EV_P_ ev_periodic *w); 769EV_API_DECL void ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW;
742#endif 770#endif
743 771
744/* only supported in the default loop */ 772/* only supported in the default loop */
745#if EV_SIGNAL_ENABLE 773#if EV_SIGNAL_ENABLE
746void ev_signal_start (EV_P_ ev_signal *w); 774EV_API_DECL void ev_signal_start (EV_P_ ev_signal *w) EV_THROW;
747void ev_signal_stop (EV_P_ ev_signal *w); 775EV_API_DECL void ev_signal_stop (EV_P_ ev_signal *w) EV_THROW;
748#endif 776#endif
749 777
750/* only supported in the default loop */ 778/* only supported in the default loop */
751# if EV_CHILD_ENABLE 779# if EV_CHILD_ENABLE
752void ev_child_start (EV_P_ ev_child *w); 780EV_API_DECL void ev_child_start (EV_P_ ev_child *w) EV_THROW;
753void ev_child_stop (EV_P_ ev_child *w); 781EV_API_DECL void ev_child_stop (EV_P_ ev_child *w) EV_THROW;
754# endif 782# endif
755 783
756# if EV_STAT_ENABLE 784# if EV_STAT_ENABLE
757void ev_stat_start (EV_P_ ev_stat *w); 785EV_API_DECL void ev_stat_start (EV_P_ ev_stat *w) EV_THROW;
758void ev_stat_stop (EV_P_ ev_stat *w); 786EV_API_DECL void ev_stat_stop (EV_P_ ev_stat *w) EV_THROW;
759void ev_stat_stat (EV_P_ ev_stat *w); 787EV_API_DECL void ev_stat_stat (EV_P_ ev_stat *w) EV_THROW;
760# endif 788# endif
761 789
762# if EV_IDLE_ENABLE 790# if EV_IDLE_ENABLE
763void ev_idle_start (EV_P_ ev_idle *w); 791EV_API_DECL void ev_idle_start (EV_P_ ev_idle *w) EV_THROW;
764void ev_idle_stop (EV_P_ ev_idle *w); 792EV_API_DECL void ev_idle_stop (EV_P_ ev_idle *w) EV_THROW;
765# endif 793# endif
766 794
767#if EV_PREPARE_ENABLE 795#if EV_PREPARE_ENABLE
768void ev_prepare_start (EV_P_ ev_prepare *w); 796EV_API_DECL void ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW;
769void ev_prepare_stop (EV_P_ ev_prepare *w); 797EV_API_DECL void ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW;
770#endif 798#endif
771 799
772#if EV_CHECK_ENABLE 800#if EV_CHECK_ENABLE
773void ev_check_start (EV_P_ ev_check *w); 801EV_API_DECL void ev_check_start (EV_P_ ev_check *w) EV_THROW;
774void ev_check_stop (EV_P_ ev_check *w); 802EV_API_DECL void ev_check_stop (EV_P_ ev_check *w) EV_THROW;
775#endif 803#endif
776 804
777# if EV_FORK_ENABLE 805# if EV_FORK_ENABLE
778void ev_fork_start (EV_P_ ev_fork *w); 806EV_API_DECL void ev_fork_start (EV_P_ ev_fork *w) EV_THROW;
779void ev_fork_stop (EV_P_ ev_fork *w); 807EV_API_DECL void ev_fork_stop (EV_P_ ev_fork *w) EV_THROW;
780# endif 808# endif
781 809
782# if EV_CLEANUP_ENABLE 810# if EV_CLEANUP_ENABLE
783void ev_cleanup_start (EV_P_ ev_cleanup *w); 811EV_API_DECL void ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW;
784void ev_cleanup_stop (EV_P_ ev_cleanup *w); 812EV_API_DECL void ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW;
785# endif 813# endif
786 814
787# if EV_EMBED_ENABLE 815# if EV_EMBED_ENABLE
788/* only supported when loop to be embedded is in fact embeddable */ 816/* only supported when loop to be embedded is in fact embeddable */
789void ev_embed_start (EV_P_ ev_embed *w); 817EV_API_DECL void ev_embed_start (EV_P_ ev_embed *w) EV_THROW;
790void ev_embed_stop (EV_P_ ev_embed *w); 818EV_API_DECL void ev_embed_stop (EV_P_ ev_embed *w) EV_THROW;
791void ev_embed_sweep (EV_P_ ev_embed *w); 819EV_API_DECL void ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW;
792# endif 820# endif
793 821
794# if EV_ASYNC_ENABLE 822# if EV_ASYNC_ENABLE
795void ev_async_start (EV_P_ ev_async *w); 823EV_API_DECL void ev_async_start (EV_P_ ev_async *w) EV_THROW;
796void ev_async_stop (EV_P_ ev_async *w); 824EV_API_DECL void ev_async_stop (EV_P_ ev_async *w) EV_THROW;
797void ev_async_send (EV_P_ ev_async *w); 825EV_API_DECL void ev_async_send (EV_P_ ev_async *w) EV_THROW;
798# endif 826# endif
799 827
800#if EV_COMPAT3 828#if EV_COMPAT3
801 #define EVLOOP_NONBLOCK EVRUN_NOWAIT 829 #define EVLOOP_NONBLOCK EVRUN_NOWAIT
802 #define EVLOOP_ONESHOT EVRUN_ONCE 830 #define EVLOOP_ONESHOT EVRUN_ONCE
… …
807 EV_INLINE void ev_loop (EV_P_ int flags) { ev_run (EV_A_ flags); } 835 EV_INLINE void ev_loop (EV_P_ int flags) { ev_run (EV_A_ flags); }
808 EV_INLINE void ev_unloop (EV_P_ int how ) { ev_break (EV_A_ how ); } 836 EV_INLINE void ev_unloop (EV_P_ int how ) { ev_break (EV_A_ how ); }
809 EV_INLINE void ev_default_destroy (void) { ev_loop_destroy (EV_DEFAULT); } 837 EV_INLINE void ev_default_destroy (void) { ev_loop_destroy (EV_DEFAULT); }
810 EV_INLINE void ev_default_fork (void) { ev_loop_fork (EV_DEFAULT); } 838 EV_INLINE void ev_default_fork (void) { ev_loop_fork (EV_DEFAULT); }
811 #if EV_FEATURE_API 839 #if EV_FEATURE_API
812 EV_INLINE void ev_loop_count (EV_P) { ev_iteration (EV_A); } 840 EV_INLINE unsigned int ev_loop_count (EV_P) { return ev_iteration (EV_A); }
813 EV_INLINE void ev_loop_depth (EV_P) { ev_depth (EV_A); } 841 EV_INLINE unsigned int ev_loop_depth (EV_P) { return ev_depth (EV_A); }
814 EV_INLINE void ev_loop_verify (EV_P) { ev_verify (EV_A); } 842 EV_INLINE void ev_loop_verify (EV_P) { ev_verify (EV_A); }
815 #endif 843 #endif
816 #endif 844 #endif
817#else 845#else
818 typedef struct ev_loop ev_loop; 846 typedef struct ev_loop ev_loop;
819#endif 847#endif

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