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Comparing libev/ev.h (file contents):
Revision 1.91 by root, Fri Jan 25 15:45:09 2008 UTC vs.
Revision 1.92 by root, Thu Jan 31 13:10:56 2008 UTC

1/* 1/*
2 * libev native API header 2 * libev native API header
3 * 3 *
4 * Copyright (c) 2007 Marc Alexander Lehmann <libev@schmorp.de> 4 * Copyright (c) 2007,2008 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 *
76 76
77#ifndef EV_EMBED_ENABLE 77#ifndef EV_EMBED_ENABLE
78# define EV_EMBED_ENABLE 1 78# define EV_EMBED_ENABLE 1
79#endif 79#endif
80 80
81#ifndef EV_ASYNC_ENABLE
82# define EV_ASYNC_ENABLE 1
83#endif
84
85#ifndef EV_ATOMIC_T
86# include <signal.h>
87# define EV_ATOMIC_T sig_atomic_t volatile
88#endif
89
81/*****************************************************************************/ 90/*****************************************************************************/
82 91
83#if EV_STAT_ENABLE 92#if EV_STAT_ENABLE
84# include <sys/stat.h> 93# include <sys/stat.h>
85#endif 94#endif
118#define EV_IDLE 0x00002000L /* event loop is idling */ 127#define EV_IDLE 0x00002000L /* event loop is idling */
119#define EV_PREPARE 0x00004000L /* event loop about to poll */ 128#define EV_PREPARE 0x00004000L /* event loop about to poll */
120#define EV_CHECK 0x00008000L /* event loop finished poll */ 129#define EV_CHECK 0x00008000L /* event loop finished poll */
121#define EV_EMBED 0x00010000L /* embedded event loop needs sweep */ 130#define EV_EMBED 0x00010000L /* embedded event loop needs sweep */
122#define EV_FORK 0x00020000L /* event loop resumed in child */ 131#define EV_FORK 0x00020000L /* event loop resumed in child */
132#define EV_ASYNC 0x00040000L /* async intra-loop signal */
123#define EV_ERROR 0x80000000L /* sent when an error occurs */ 133#define EV_ERROR 0x80000000L /* sent when an error occurs */
124 134
125/* can be used to add custom fields to all watchers, while losing binary compatibility */ 135/* can be used to add custom fields to all watchers, while losing binary compatibility */
126#ifndef EV_COMMON 136#ifndef EV_COMMON
127# define EV_COMMON void *data; 137# define EV_COMMON void *data;
305 ev_idle idle; /* unused */ 315 ev_idle idle; /* unused */
306 ev_fork fork; /* unused */ 316 ev_fork fork; /* unused */
307} ev_embed; 317} ev_embed;
308#endif 318#endif
309 319
320#if EV_ASYNC_ENABLE
321/* invoked when somebody calls ev_async_send on the watcher */
322/* revent EV_ASYNC */
323typedef struct ev_async
324{
325 EV_WATCHER (ev_async)
326
327 EV_ATOMIC_T sent; /* private */
328} ev_async;
329#endif
330
310/* the presence of this union forces similar struct layout */ 331/* the presence of this union forces similar struct layout */
311union ev_any_watcher 332union ev_any_watcher
312{ 333{
313 struct ev_watcher w; 334 struct ev_watcher w;
314 struct ev_watcher_list wl; 335 struct ev_watcher_list wl;
329#if EV_FORK_ENABLE 350#if EV_FORK_ENABLE
330 struct ev_fork fork; 351 struct ev_fork fork;
331#endif 352#endif
332#if EV_EMBED_ENABLE 353#if EV_EMBED_ENABLE
333 struct ev_embed embed; 354 struct ev_embed embed;
355#endif
356#if EV_ASYND_ENABLE
357 struct ev_async async;
334#endif 358#endif
335}; 359};
336 360
337/* bits for ev_default_loop and ev_loop_new */ 361/* bits for ev_default_loop and ev_loop_new */
338/* the default */ 362/* the default */
463#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ 487#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */
464#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ 488#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */
465#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ 489#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */
466#define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0) 490#define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0)
467#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */ 491#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */
492#define ev_async_set(ev) do { (ev)->gotasync = 0; } while (0)
468 493
469#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) 494#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
470#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) 495#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)
471#define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0) 496#define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0)
472#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0) 497#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)
475#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) 500#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)
476#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) 501#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
477#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0) 502#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)
478#define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0) 503#define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0)
479#define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0) 504#define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0)
505#define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0)
480 506
481#define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ 507#define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */
482#define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ 508#define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */
483 509
484#define ev_priority(ev) ((((ev_watcher *)(void *)(ev))->priority) + 0) 510#define ev_priority(ev) ((((ev_watcher *)(void *)(ev))->priority) + 0)
550void ev_embed_start (EV_P_ ev_embed *w); 576void ev_embed_start (EV_P_ ev_embed *w);
551void ev_embed_stop (EV_P_ ev_embed *w); 577void ev_embed_stop (EV_P_ ev_embed *w);
552void ev_embed_sweep (EV_P_ ev_embed *w); 578void ev_embed_sweep (EV_P_ ev_embed *w);
553# endif 579# endif
554 580
581# if EV_ASYNC_ENABLE
582void ev_async_start (EV_P_ ev_async *w);
583void ev_async_stop (EV_P_ ev_async *w);
584void ev_async_send (EV_P_ ev_async *w);
585# endif
586
555#endif 587#endif
556 588
557#ifdef __cplusplus 589#ifdef __cplusplus
558} 590}
559#endif 591#endif

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