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Comparing libev/ev.h (file contents):
Revision 1.90 by root, Tue Dec 25 07:05:45 2007 UTC vs.
Revision 1.95 by root, Wed Apr 2 06:34:50 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;
128#endif 138#endif
129#ifndef EV_PROTOTYPES 139#ifndef EV_PROTOTYPES
130# define EV_PROTOTYPES 1 140# define EV_PROTOTYPES 1
131#endif 141#endif
132 142
133#define EV_VERSION_MAJOR 2 143#define EV_VERSION_MAJOR 3
134#define EV_VERSION_MINOR 0 144#define EV_VERSION_MINOR 0
135 145
136#ifndef EV_CB_DECLARE 146#ifndef EV_CB_DECLARE
137# define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents); 147# define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents);
138#endif 148#endif
… …
225/* does not support priorities */ 235/* does not support priorities */
226typedef struct ev_child 236typedef struct ev_child
227{ 237{
228 EV_WATCHER_LIST (ev_child) 238 EV_WATCHER_LIST (ev_child)
229 239
240 int flags; /* private */
230 int pid; /* ro */ 241 int pid; /* ro */
231 int rpid; /* rw, holds the received pid */ 242 int rpid; /* rw, holds the received pid */
232 int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */ 243 int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */
233} ev_child; 244} ev_child;
234 245
… …
304 ev_idle idle; /* unused */ 315 ev_idle idle; /* unused */
305 ev_fork fork; /* unused */ 316 ev_fork fork; /* unused */
306} ev_embed; 317} ev_embed;
307#endif 318#endif
308 319
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
330# define ev_async_pending(w) (((w)->sent + 0)
331#endif
332
309/* the presence of this union forces similar struct layout */ 333/* the presence of this union forces similar struct layout */
310union ev_any_watcher 334union ev_any_watcher
311{ 335{
312 struct ev_watcher w; 336 struct ev_watcher w;
313 struct ev_watcher_list wl; 337 struct ev_watcher_list wl;
… …
328#if EV_FORK_ENABLE 352#if EV_FORK_ENABLE
329 struct ev_fork fork; 353 struct ev_fork fork;
330#endif 354#endif
331#if EV_EMBED_ENABLE 355#if EV_EMBED_ENABLE
332 struct ev_embed embed; 356 struct ev_embed embed;
357#endif
358#if EV_ASYND_ENABLE
359 struct ev_async async;
333#endif 360#endif
334}; 361};
335 362
336/* bits for ev_default_loop and ev_loop_new */ 363/* bits for ev_default_loop and ev_loop_new */
337/* the default */ 364/* the default */
… …
405 432
406 return ev_rt_now; 433 return ev_rt_now;
407} 434}
408# endif 435# endif
409 436
437static int
438ev_is_default_loop (EV_P)
439{
440#if EV_MULTIPLICITY
441 extern struct ev_loop *ev_default_loop_ptr;
442
443 return !!(EV_A == ev_default_loop_ptr);
444#else
445 return 1;
446#endif
447}
448
410void ev_default_destroy (void); /* destroy the default loop */ 449void ev_default_destroy (void); /* destroy the default loop */
411/* this needs to be called after fork, to duplicate the default loop */ 450/* this needs to be called after fork, to duplicate the default loop */
412/* if you create alternative loops you have to call ev_loop_fork on them */ 451/* if you create alternative loops you have to call ev_loop_fork on them */
413/* you can call it in either the parent or the child */ 452/* you can call it in either the parent or the child */
414/* you can actually call it at any time, anywhere :) */ 453/* you can actually call it at any time, anywhere :) */
… …
455 494
456#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) | EV_IOFDSET; } while (0) 495#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) | EV_IOFDSET; } while (0)
457#define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0) 496#define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0)
458#define ev_periodic_set(ev,ofs_,ival_,res_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0) 497#define ev_periodic_set(ev,ofs_,ival_,res_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0)
459#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) 498#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)
460#define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0) 499#define ev_child_set(ev,pid_,trace_) do { (ev)->pid = (pid_); (ev)->flags = !!(trace_); } while (0)
461#define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0) 500#define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0)
462#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ 501#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */
463#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ 502#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */
464#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ 503#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */
465#define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0) 504#define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0)
466#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */ 505#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */
506#define ev_async_set(ev) do { (ev)->sent = 0; } while (0)
467 507
468#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) 508#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
469#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) 509#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)
470#define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0) 510#define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0)
471#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0) 511#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)
472#define ev_child_init(ev,cb,pid) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0) 512#define ev_child_init(ev,cb,pid,trace) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid),(trace)); } while (0)
473#define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_stat_set ((ev),(path),(interval)); } while (0) 513#define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_stat_set ((ev),(path),(interval)); } while (0)
474#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) 514#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)
475#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) 515#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
476#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0) 516#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)
477#define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0) 517#define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0)
478#define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0) 518#define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0)
519#define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0)
479 520
480#define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ 521#define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */
481#define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ 522#define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */
482 523
483#define ev_priority(ev) ((((ev_watcher *)(void *)(ev))->priority) + 0) 524#define ev_priority(ev) ((((ev_watcher *)(void *)(ev))->priority) + 0)
… …
549void ev_embed_start (EV_P_ ev_embed *w); 590void ev_embed_start (EV_P_ ev_embed *w);
550void ev_embed_stop (EV_P_ ev_embed *w); 591void ev_embed_stop (EV_P_ ev_embed *w);
551void ev_embed_sweep (EV_P_ ev_embed *w); 592void ev_embed_sweep (EV_P_ ev_embed *w);
552# endif 593# endif
553 594
595# if EV_ASYNC_ENABLE
596void ev_async_start (EV_P_ ev_async *w);
597void ev_async_stop (EV_P_ ev_async *w);
598void ev_async_send (EV_P_ ev_async *w);
599# endif
600
554#endif 601#endif
555 602
556#ifdef __cplusplus 603#ifdef __cplusplus
557} 604}
558#endif 605#endif

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