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Comparing libev/ev.h (file contents):
Revision 1.129 by root, Thu Dec 31 06:50:17 2009 UTC vs.
Revision 1.135 by root, Tue Mar 16 00:26:41 2010 UTC

1/* 1/*
2 * libev native API header 2 * libev native API header
3 * 3 *
4 * Copyright (c) 2007,2008,2009 Marc Alexander Lehmann <libev@schmorp.de> 4 * Copyright (c) 2007,2008,2009,2010 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 *
42 42
43#ifdef __cplusplus 43#ifdef __cplusplus
44extern "C" { 44extern "C" {
45#endif 45#endif
46 46
47typedef double ev_tstamp; 47/*****************************************************************************/
48
49#ifndef EV_FEATURES
50# define EV_FEATURES 0x3f
51#endif
52
53#define EV_FEATURE_CODE ((EV_FEATURES) & 1)
54#define EV_FEATURE_DATA ((EV_FEATURES) & 2)
55#define EV_FEATURE_API ((EV_FEATURES) & 4)
56#define EV_FEATURE_WATCHERS ((EV_FEATURES) & 8)
57#define EV_FEATURE_BACKENDS ((EV_FEATURES) & 16)
58#define EV_FEATURE_OS ((EV_FEATURES) & 32)
48 59
49/* these priorities are inclusive, higher priorities will be called earlier */ 60/* these priorities are inclusive, higher priorities will be called earlier */
50#ifndef EV_MINPRI 61#ifndef EV_MINPRI
51# define EV_MINPRI -2 62# define EV_MINPRI (EV_FEATURE_API ? -2 : 0)
52#endif 63#endif
53#ifndef EV_MAXPRI 64#ifndef EV_MAXPRI
54# define EV_MAXPRI +2 65# define EV_MAXPRI (EV_FEATURE_API ? +2 : 0)
55#endif 66#endif
56 67
57#ifndef EV_MULTIPLICITY 68#ifndef EV_MULTIPLICITY
58# define EV_MULTIPLICITY 1 69# define EV_MULTIPLICITY EV_FEATURE_API
59#endif 70#endif
60 71
61#ifndef EV_PERIODIC_ENABLE 72#ifndef EV_PERIODIC_ENABLE
62# define EV_PERIODIC_ENABLE 1 73# define EV_PERIODIC_ENABLE EV_FEATURE_WATCHERS
63#endif 74#endif
64 75
65#ifndef EV_STAT_ENABLE 76#ifndef EV_STAT_ENABLE
66# define EV_STAT_ENABLE 1 77# define EV_STAT_ENABLE EV_FEATURE_WATCHERS
78#endif
79
80#ifndef EV_PREPARE_ENABLE
81# define EV_PREPARE_ENABLE EV_FEATURE_WATCHERS
82#endif
83
84#ifndef EV_CHECK_ENABLE
85# define EV_CHECK_ENABLE EV_FEATURE_WATCHERS
67#endif 86#endif
68 87
69#ifndef EV_IDLE_ENABLE 88#ifndef EV_IDLE_ENABLE
70# define EV_IDLE_ENABLE 1 89# define EV_IDLE_ENABLE EV_FEATURE_WATCHERS
71#endif 90#endif
72 91
73#ifndef EV_FORK_ENABLE 92#ifndef EV_FORK_ENABLE
93# define EV_FORK_ENABLE EV_FEATURE_WATCHERS
94#endif
95
96#ifndef EV_SIGNAL_ENABLE
97# define EV_SIGNAL_ENABLE EV_FEATURE_WATCHERS
98#endif
99
100#ifndef EV_CHILD_ENABLE
101# ifdef _WIN32
74# define EV_FORK_ENABLE 1 102# define EV_CHILD_ENABLE 0
103# else
104# define EV_CHILD_ENABLE EV_FEATURE_WATCHERS
105#endif
106#endif
107
108#ifndef EV_ASYNC_ENABLE
109# define EV_ASYNC_ENABLE EV_FEATURE_WATCHERS
75#endif 110#endif
76 111
77#ifndef EV_EMBED_ENABLE 112#ifndef EV_EMBED_ENABLE
78# define EV_EMBED_ENABLE 1 113# define EV_EMBED_ENABLE EV_FEATURE_WATCHERS
79#endif
80
81#ifndef EV_ASYNC_ENABLE
82# define EV_ASYNC_ENABLE 1
83#endif 114#endif
84 115
85#ifndef EV_WALK_ENABLE 116#ifndef EV_WALK_ENABLE
86# define EV_WALK_ENABLE 0 /* not yet */ 117# define EV_WALK_ENABLE 0 /* not yet */
87#endif 118#endif
119
120/*****************************************************************************/
121
122#if EV_CHILD_ENABLE && !EV_SIGNAL_ENABLE
123# undef EV_SIGNAL_ENABLE
124# define EV_SIGNAL_ENABLE 1
125#endif
126
127/*****************************************************************************/
128
129typedef double ev_tstamp;
88 130
89#ifndef EV_ATOMIC_T 131#ifndef EV_ATOMIC_T
90# include <signal.h> 132# include <signal.h>
91# define EV_ATOMIC_T sig_atomic_t volatile 133# define EV_ATOMIC_T sig_atomic_t volatile
92#endif 134#endif
93
94/*****************************************************************************/
95 135
96#if EV_STAT_ENABLE 136#if EV_STAT_ENABLE
97# ifdef _WIN32 137# ifdef _WIN32
98# include <time.h> 138# include <time.h>
99# include <sys/types.h> 139# include <sys/types.h>
161#ifndef EV_PROTOTYPES 201#ifndef EV_PROTOTYPES
162# define EV_PROTOTYPES 1 202# define EV_PROTOTYPES 1
163#endif 203#endif
164 204
165#define EV_VERSION_MAJOR 3 205#define EV_VERSION_MAJOR 3
166#define EV_VERSION_MINOR 8 206#define EV_VERSION_MINOR 9
167 207
168#ifndef EV_CB_DECLARE 208#ifndef EV_CB_DECLARE
169# define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents); 209# define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents);
170#endif 210#endif
171#ifndef EV_CB_INVOKE 211#ifndef EV_CB_INVOKE
542 * convenience function, wait for a single event, without registering an event watcher 582 * convenience function, wait for a single event, without registering an event watcher
543 * if timeout is < 0, do wait indefinitely 583 * if timeout is < 0, do wait indefinitely
544 */ 584 */
545void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); 585void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg);
546 586
547# if EV_MINIMAL < 2 587# if EV_FEATURE_API
548unsigned int ev_loop_count (EV_P); /* number of loop iterations */ 588unsigned int ev_loop_count (EV_P); /* number of loop iterations */
549unsigned int ev_loop_depth (EV_P); /* #ev_loop enters - #ev_loop leaves */ 589unsigned int ev_loop_depth (EV_P); /* #ev_loop enters - #ev_loop leaves */
550void ev_loop_verify (EV_P); /* abort if loop data corrupted */ 590void ev_loop_verify (EV_P); /* abort if loop data corrupted */
551 591
552void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */ 592void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
613#if EV_MINPRI == EV_MAXPRI 653#if EV_MINPRI == EV_MAXPRI
614# define ev_priority(ev) ((ev), EV_MINPRI) 654# define ev_priority(ev) ((ev), EV_MINPRI)
615# define ev_set_priority(ev,pri) ((ev), (pri)) 655# define ev_set_priority(ev,pri) ((ev), (pri))
616#else 656#else
617# define ev_priority(ev) (+(((ev_watcher *)(void *)(ev))->priority)) 657# define ev_priority(ev) (+(((ev_watcher *)(void *)(ev))->priority))
618# define ev_set_priority(ev,pri) ( (ev_watcher *)(void *)(ev))->priority = (pri) 658# define ev_set_priority(ev,pri) ( (ev_watcher *)(void *)(ev))->priority = (pri)
619#endif 659#endif
620 660
621#define ev_periodic_at(ev) (+((ev_watcher_time *)(ev))->at) 661#define ev_periodic_at(ev) (+((ev_watcher_time *)(ev))->at)
622 662
623#ifndef ev_set_cb 663#ifndef ev_set_cb
630 670
631/* feeds an event into a watcher as if the event actually occured */ 671/* feeds an event into a watcher as if the event actually occured */
632/* accepts any ev_watcher type */ 672/* accepts any ev_watcher type */
633void ev_feed_event (EV_P_ void *w, int revents); 673void ev_feed_event (EV_P_ void *w, int revents);
634void ev_feed_fd_event (EV_P_ int fd, int revents); 674void ev_feed_fd_event (EV_P_ int fd, int revents);
675#if EV_SIGNAL_ENABLE
635void ev_feed_signal_event (EV_P_ int signum); 676void ev_feed_signal_event (EV_P_ int signum);
677#endif
636void ev_invoke (EV_P_ void *w, int revents); 678void ev_invoke (EV_P_ void *w, int revents);
637int ev_clear_pending (EV_P_ void *w); 679int ev_clear_pending (EV_P_ void *w);
638 680
639void ev_io_start (EV_P_ ev_io *w); 681void ev_io_start (EV_P_ ev_io *w);
640void ev_io_stop (EV_P_ ev_io *w); 682void ev_io_stop (EV_P_ ev_io *w);
651void ev_periodic_stop (EV_P_ ev_periodic *w); 693void ev_periodic_stop (EV_P_ ev_periodic *w);
652void ev_periodic_again (EV_P_ ev_periodic *w); 694void ev_periodic_again (EV_P_ ev_periodic *w);
653#endif 695#endif
654 696
655/* only supported in the default loop */ 697/* only supported in the default loop */
698#if EV_SIGNAL_ENABLE
656void ev_signal_start (EV_P_ ev_signal *w); 699void ev_signal_start (EV_P_ ev_signal *w);
657void ev_signal_stop (EV_P_ ev_signal *w); 700void ev_signal_stop (EV_P_ ev_signal *w);
701#endif
658 702
659/* only supported in the default loop */ 703/* only supported in the default loop */
704# if EV_CHILD_ENABLE
660void ev_child_start (EV_P_ ev_child *w); 705void ev_child_start (EV_P_ ev_child *w);
661void ev_child_stop (EV_P_ ev_child *w); 706void ev_child_stop (EV_P_ ev_child *w);
707# endif
662 708
663# if EV_STAT_ENABLE 709# if EV_STAT_ENABLE
664void ev_stat_start (EV_P_ ev_stat *w); 710void ev_stat_start (EV_P_ ev_stat *w);
665void ev_stat_stop (EV_P_ ev_stat *w); 711void ev_stat_stop (EV_P_ ev_stat *w);
666void ev_stat_stat (EV_P_ ev_stat *w); 712void ev_stat_stat (EV_P_ ev_stat *w);
669# if EV_IDLE_ENABLE 715# if EV_IDLE_ENABLE
670void ev_idle_start (EV_P_ ev_idle *w); 716void ev_idle_start (EV_P_ ev_idle *w);
671void ev_idle_stop (EV_P_ ev_idle *w); 717void ev_idle_stop (EV_P_ ev_idle *w);
672# endif 718# endif
673 719
720#if EV_PREPARE_ENABLE
674void ev_prepare_start (EV_P_ ev_prepare *w); 721void ev_prepare_start (EV_P_ ev_prepare *w);
675void ev_prepare_stop (EV_P_ ev_prepare *w); 722void ev_prepare_stop (EV_P_ ev_prepare *w);
723#endif
676 724
725#if EV_CHECK_ENABLE
677void ev_check_start (EV_P_ ev_check *w); 726void ev_check_start (EV_P_ ev_check *w);
678void ev_check_stop (EV_P_ ev_check *w); 727void ev_check_stop (EV_P_ ev_check *w);
728#endif
679 729
680# if EV_FORK_ENABLE 730# if EV_FORK_ENABLE
681void ev_fork_start (EV_P_ ev_fork *w); 731void ev_fork_start (EV_P_ ev_fork *w);
682void ev_fork_stop (EV_P_ ev_fork *w); 732void ev_fork_stop (EV_P_ ev_fork *w);
683# endif 733# endif

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