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Comparing libev/ev.h (file contents):
Revision 1.168 by root, Wed Apr 18 06:06:04 2012 UTC vs.
Revision 1.187 by root, Wed Dec 28 04:22:06 2016 UTC

1/* 1/*
2 * libev native API header 2 * libev native API header
3 * 3 *
4 * Copyright (c) 2007,2008,2009,2010,2011,2012 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 *
… …
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
49#define EV_THROW EV_CPP(throw())
50 54
51EV_CPP(extern "C" {) 55EV_CPP(extern "C" {)
52 56
53/*****************************************************************************/ 57/*****************************************************************************/
54 58
… …
145#endif 149#endif
146 150
147/*****************************************************************************/ 151/*****************************************************************************/
148 152
149typedef double ev_tstamp; 153typedef double ev_tstamp;
154
155#include <string.h> /* for memmove */
150 156
151#ifndef EV_ATOMIC_T 157#ifndef EV_ATOMIC_T
152# include <signal.h> 158# include <signal.h>
153# define EV_ATOMIC_T sig_atomic_t volatile 159# define EV_ATOMIC_T sig_atomic_t volatile
154#endif 160#endif
… …
203#endif 209#endif
204 210
205/*****************************************************************************/ 211/*****************************************************************************/
206 212
207#define EV_VERSION_MAJOR 4 213#define EV_VERSION_MAJOR 4
208#define EV_VERSION_MINOR 11 214#define EV_VERSION_MINOR 24
209 215
210/* eventmask, revents, events... */ 216/* eventmask, revents, events... */
211enum { 217enum {
212 EV_UNDEF = 0xFFFFFFFF, /* guaranteed to be invalid */ 218 EV_UNDEF = (int)0xFFFFFFFF, /* guaranteed to be invalid */
213 EV_NONE = 0x00, /* no events */ 219 EV_NONE = 0x00, /* no events */
214 EV_READ = 0x01, /* ev_io detected read will not block */ 220 EV_READ = 0x01, /* ev_io detected read will not block */
215 EV_WRITE = 0x02, /* ev_io detected write will not block */ 221 EV_WRITE = 0x02, /* ev_io detected write will not block */
216 EV__IOFDSET = 0x80, /* internal use only */ 222 EV__IOFDSET = 0x80, /* internal use only */
217 EV_IO = EV_READ, /* alias for type-detection */ 223 EV_IO = EV_READ, /* alias for type-detection */
218 EV_TIMER = 0x00000100, /* timer timed out */ 224 EV_TIMER = 0x00000100, /* timer timed out */
219#if EV_COMPAT3 225#if EV_COMPAT3
220 EV_TIMEOUT = EV_TIMER, /* pre 4.0 API compatibility */ 226 EV_TIMEOUT = EV_TIMER, /* pre 4.0 API compatibility */
221#endif 227#endif
222 EV_PERIODIC = 0x00000200, /* periodic timer timed out */ 228 EV_PERIODIC = 0x00000200, /* periodic timer timed out */
223 EV_SIGNAL = 0x00000400, /* signal was received */ 229 EV_SIGNAL = 0x00000400, /* signal was received */
224 EV_CHILD = 0x00000800, /* child/pid had status change */ 230 EV_CHILD = 0x00000800, /* child/pid had status change */
225 EV_STAT = 0x00001000, /* stat data changed */ 231 EV_STAT = 0x00001000, /* stat data changed */
226 EV_IDLE = 0x00002000, /* event loop is idling */ 232 EV_IDLE = 0x00002000, /* event loop is idling */
227 EV_PREPARE = 0x00004000, /* event loop about to poll */ 233 EV_PREPARE = 0x00004000, /* event loop about to poll */
228 EV_CHECK = 0x00008000, /* event loop finished poll */ 234 EV_CHECK = 0x00008000, /* event loop finished poll */
229 EV_EMBED = 0x00010000, /* embedded event loop needs sweep */ 235 EV_EMBED = 0x00010000, /* embedded event loop needs sweep */
230 EV_FORK = 0x00020000, /* event loop resumed in child */ 236 EV_FORK = 0x00020000, /* event loop resumed in child */
231 EV_CLEANUP = 0x00040000, /* event loop resumed in child */ 237 EV_CLEANUP = 0x00040000, /* event loop resumed in child */
232 EV_ASYNC = 0x00080000, /* async intra-loop signal */ 238 EV_ASYNC = 0x00080000, /* async intra-loop signal */
233 EV_CUSTOM = 0x01000000, /* for use by user code */ 239 EV_CUSTOM = 0x01000000, /* for use by user code */
234 EV_ERROR = 0x80000000 /* sent when an error occurs */ 240 EV_ERROR = (int)0x80000000 /* sent when an error occurs */
235}; 241};
236 242
237/* 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 */
238#ifndef EV_COMMON 244#ifndef EV_COMMON
239# define EV_COMMON void *data; 245# define EV_COMMON void *data;
… …
507 EVFLAG_NOSIGMASK = 0x00400000U /* avoid modifying the signal mask */ 513 EVFLAG_NOSIGMASK = 0x00400000U /* avoid modifying the signal mask */
508}; 514};
509 515
510/* method bits to be ored together */ 516/* method bits to be ored together */
511enum { 517enum {
512 EVBACKEND_SELECT = 0x00000001U, /* about anywhere */ 518 EVBACKEND_SELECT = 0x00000001U, /* available just about anywhere */
513 EVBACKEND_POLL = 0x00000002U, /* !win */ 519 EVBACKEND_POLL = 0x00000002U, /* !win, !aix, broken on osx */
514 EVBACKEND_EPOLL = 0x00000004U, /* linux */ 520 EVBACKEND_EPOLL = 0x00000004U, /* linux */
515 EVBACKEND_KQUEUE = 0x00000008U, /* bsd */ 521 EVBACKEND_KQUEUE = 0x00000008U, /* bsd, broken on osx */
516 EVBACKEND_DEVPOLL = 0x00000010U, /* solaris 8 */ /* NYI */ 522 EVBACKEND_DEVPOLL = 0x00000010U, /* solaris 8 */ /* NYI */
517 EVBACKEND_PORT = 0x00000020U, /* solaris 10 */ 523 EVBACKEND_PORT = 0x00000020U, /* solaris 10 */
518 EVBACKEND_ALL = 0x0000003FU, /* all known backends */ 524 EVBACKEND_ALL = 0x0000003FU, /* all known backends */
519 EVBACKEND_MASK = 0x0000FFFFU /* all future backends */ 525 EVBACKEND_MASK = 0x0000FFFFU /* all future backends */
520}; 526};
… …
593} 599}
594 600
595#endif /* multiplicity */ 601#endif /* multiplicity */
596 602
597/* destroy event loops, also works for the default loop */ 603/* destroy event loops, also works for the default loop */
598EV_API_DECL void ev_loop_destroy (EV_P) EV_THROW; 604EV_API_DECL void ev_loop_destroy (EV_P);
599 605
600/* this needs to be called after fork, to duplicate the loop */ 606/* this needs to be called after fork, to duplicate the loop */
601/* when you want to re-use it in the child */ 607/* when you want to re-use it in the child */
602/* you can call it in either the parent or the child */ 608/* you can call it in either the parent or the child */
603/* you can actually call it at any time, anywhere :) */ 609/* you can actually call it at any time, anywhere :) */
… …
656EV_API_DECL void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW; /* 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 */
657 663
658/* advanced stuff for threading etc. support, see docs */ 664/* advanced stuff for threading etc. support, see docs */
659EV_API_DECL void ev_set_userdata (EV_P_ void *data) EV_THROW; 665EV_API_DECL void ev_set_userdata (EV_P_ void *data) EV_THROW;
660EV_API_DECL void *ev_userdata (EV_P) EV_THROW; 666EV_API_DECL void *ev_userdata (EV_P) EV_THROW;
667typedef void (*ev_loop_callback)(EV_P);
661EV_API_DECL void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) EV_THROW; 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 */
662EV_API_DECL void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P) EV_THROW) EV_THROW; 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;
663 671
664EV_API_DECL unsigned int ev_pending_count (EV_P) EV_THROW; /* number of pending events, if any */ 672EV_API_DECL unsigned int ev_pending_count (EV_P) EV_THROW; /* number of pending events, if any */
665EV_API_DECL void ev_invoke_pending (EV_P); /* invoke all pending watchers */ 673EV_API_DECL void ev_invoke_pending (EV_P); /* invoke all pending watchers */
666 674
667/* 675/*
… …
711#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)
712 720
713#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 */
714#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 */
715 723
716#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)
717 726
718#if EV_MINPRI == EV_MAXPRI 727#if EV_MINPRI == EV_MAXPRI
719# define ev_priority(ev) ((ev), EV_MINPRI) 728# define ev_priority(ev) ((ev), EV_MINPRI)
720# define ev_set_priority(ev,pri) ((ev), (pri)) 729# define ev_set_priority(ev,pri) ((ev), (pri))
721#else 730#else
… …
724#endif 733#endif
725 734
726#define ev_periodic_at(ev) (+((ev_watcher_time *)(ev))->at) 735#define ev_periodic_at(ev) (+((ev_watcher_time *)(ev))->at)
727 736
728#ifndef ev_set_cb 737#ifndef ev_set_cb
729# 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))))
730#endif 739#endif
731 740
732/* 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 */
733/* stopping (disabling, deleting) a watcher does nothing unless its already running */ 742/* stopping (disabling, deleting) a watcher does nothing unless it's already running */
734#if EV_PROTOTYPES 743#if EV_PROTOTYPES
735 744
736/* feeds an event into a watcher as if the event actually occurred */ 745/* feeds an event into a watcher as if the event actually occurred */
737/* accepts any ev_watcher type */ 746/* accepts any ev_watcher type */
738EV_API_DECL void ev_feed_event (EV_P_ void *w, int revents) EV_THROW; 747EV_API_DECL void ev_feed_event (EV_P_ void *w, int revents) EV_THROW;

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