[ViewVC] Diff of: cvs/libev/ev.c

Comparing libev/ev.c (file contents):
Revision 1.59 by root, Sun Nov 4 18:15:16 2007 UTC vs.
Revision 1.122 by root, Sat Nov 17 02:00:48 2007 UTC

…		…
26	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY	26	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT	27	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE	28	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
29	* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.	29	* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30	*/	30	*/
		31
		32	#ifdef __cplusplus
		33	extern "C" {
		34	#endif
		35
31	#ifndef EV_STANDALONE	36	#ifndef EV_STANDALONE
32	# include "config.h"	37	# include "config.h"
		38
		39	# if HAVE_CLOCK_GETTIME
		40	# ifndef EV_USE_MONOTONIC
		41	# define EV_USE_MONOTONIC 1
		42	# endif
		43	# ifndef EV_USE_REALTIME
		44	# define EV_USE_REALTIME 1
		45	# endif
		46	# endif
		47
		48	# if HAVE_SELECT && HAVE_SYS_SELECT_H && !defined (EV_USE_SELECT)
		49	# define EV_USE_SELECT 1
		50	# endif
		51
		52	# if HAVE_POLL && HAVE_POLL_H && !defined (EV_USE_POLL)
		53	# define EV_USE_POLL 1
		54	# endif
		55
		56	# if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H && !defined (EV_USE_EPOLL)
		57	# define EV_USE_EPOLL 1
		58	# endif
		59
		60	# if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H && !defined (EV_USE_KQUEUE)
		61	# define EV_USE_KQUEUE 1
		62	# endif
		63
		64	# if HAVE_PORT_H && HAVE_PORT_CREATE && !defined (EV_USE_PORT)
		65	# define EV_USE_PORT 1
		66	# endif
		67
33	#endif	68	#endif
34		69
35	#include <math.h>	70	#include <math.h>
36	#include <stdlib.h>	71	#include <stdlib.h>
37	#include <unistd.h>
38	#include <fcntl.h>	72	#include <fcntl.h>
39	#include <signal.h>
40	#include <stddef.h>	73	#include <stddef.h>
41		74
42	#include <stdio.h>	75	#include <stdio.h>
43		76
44	#include <assert.h>	77	#include <assert.h>
45	#include <errno.h>	78	#include <errno.h>
46	#include <sys/types.h>	79	#include <sys/types.h>
		80	#include <time.h>
		81
		82	#include <signal.h>
		83
47	#ifndef WIN32	84	#ifndef _WIN32
		85	# include <unistd.h>
		86	# include <sys/time.h>
48	# include <sys/wait.h>	87	# include <sys/wait.h>
		88	#else
		89	# define WIN32_LEAN_AND_MEAN
		90	# include <windows.h>
		91	# ifndef EV_SELECT_IS_WINSOCKET
		92	# define EV_SELECT_IS_WINSOCKET 1
49	#endif	93	# endif
50	#include <sys/time.h>	94	#endif
51	#include <time.h>
52		95
53	/**/	96	/**/
54		97
55	#ifndef EV_USE_MONOTONIC	98	#ifndef EV_USE_MONOTONIC
56	# define EV_USE_MONOTONIC 1	99	# define EV_USE_MONOTONIC 0
		100	#endif
		101
		102	#ifndef EV_USE_REALTIME
		103	# define EV_USE_REALTIME 0
57	#endif	104	#endif
58		105
59	#ifndef EV_USE_SELECT	106	#ifndef EV_USE_SELECT
60	# define EV_USE_SELECT 1	107	# define EV_USE_SELECT 1
61	#endif	108	#endif
62		109
63	#ifndef EV_USE_POLL	110	#ifndef EV_USE_POLL
64	# define EV_USE_POLL 0 /* poll is usually slower than select, and not as well tested */	111	# ifdef _WIN32
		112	# define EV_USE_POLL 0
		113	# else
		114	# define EV_USE_POLL 1
		115	# endif
65	#endif	116	#endif
66		117
67	#ifndef EV_USE_EPOLL	118	#ifndef EV_USE_EPOLL
68	# define EV_USE_EPOLL 0	119	# define EV_USE_EPOLL 0
69	#endif	120	#endif
70		121
71	#ifndef EV_USE_KQUEUE	122	#ifndef EV_USE_KQUEUE
72	# define EV_USE_KQUEUE 0	123	# define EV_USE_KQUEUE 0
73	#endif	124	#endif
74		125
75	#ifndef EV_USE_REALTIME	126	#ifndef EV_USE_PORT
76	# define EV_USE_REALTIME 1	127	# define EV_USE_PORT 0
77	#endif	128	#endif
78		129
79	/**/	130	/**/
		131
		132	/* darwin simply cannot be helped */
		133	#ifdef __APPLE__
		134	# undef EV_USE_POLL
		135	# undef EV_USE_KQUEUE
		136	#endif
80		137
81	#ifndef CLOCK_MONOTONIC	138	#ifndef CLOCK_MONOTONIC
82	# undef EV_USE_MONOTONIC	139	# undef EV_USE_MONOTONIC
83	# define EV_USE_MONOTONIC 0	140	# define EV_USE_MONOTONIC 0
84	#endif	141	#endif
…		…
86	#ifndef CLOCK_REALTIME	143	#ifndef CLOCK_REALTIME
87	# undef EV_USE_REALTIME	144	# undef EV_USE_REALTIME
88	# define EV_USE_REALTIME 0	145	# define EV_USE_REALTIME 0
89	#endif	146	#endif
90		147
		148	#if EV_SELECT_IS_WINSOCKET
		149	# include <winsock.h>
		150	#endif
		151
91	/**/	152	/**/
92		153
93	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */	154	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */
94	#define MAX_BLOCKTIME 59.731 /* never wait longer than this time (to detect time jumps) */	155	#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */
95	#define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */	156	#define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */
96	/#define CLEANUP_INTERVAL 300. / how often to try to free memory and re-check fds */	157	/#define CLEANUP_INTERVAL (MAX_BLOCKTIME 5.) /* how often to try to free memory and re-check fds */
97		158
		159	#ifdef EV_H
		160	# include EV_H
		161	#else
98	#include "ev.h"	162	# include "ev.h"
		163	#endif
99		164
100	#if __GNUC__ >= 3	165	#if __GNUC__ >= 3
101	# define expect(expr,value) __builtin_expect ((expr),(value))	166	# define expect(expr,value) __builtin_expect ((expr),(value))
102	# define inline inline	167	# define inline inline
103	#else	168	#else
…		…
109	#define expect_true(expr) expect ((expr) != 0, 1)	174	#define expect_true(expr) expect ((expr) != 0, 1)
110		175
111	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	176	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
112	#define ABSPRI(w) ((w)->priority - EV_MINPRI)	177	#define ABSPRI(w) ((w)->priority - EV_MINPRI)
113		178
		179	#define EMPTY0 /* required for microsofts broken pseudo-c compiler */
		180	#define EMPTY2(a,b) /* used to suppress some warnings */
		181
114	typedef struct ev_watcher *W;	182	typedef struct ev_watcher *W;
115	typedef struct ev_watcher_list *WL;	183	typedef struct ev_watcher_list *WL;
116	typedef struct ev_watcher_time *WT;	184	typedef struct ev_watcher_time *WT;
117		185
118	static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */	186	static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
119		187
		188	#ifdef _WIN32
		189	# include "ev_win32.c"
		190	#endif
		191
120	/*****************************************************************************/	192	/*****************************************************************************/
121		193
		194	static void (syserr_cb)(const char msg);
		195
		196	void ev_set_syserr_cb (void (cb)(const char msg))
		197	{
		198	syserr_cb = cb;
		199	}
		200
		201	static void
		202	syserr (const char *msg)
		203	{
		204	if (!msg)
		205	msg = "(libev) system error";
		206
		207	if (syserr_cb)
		208	syserr_cb (msg);
		209	else
		210	{
		211	perror (msg);
		212	abort ();
		213	}
		214	}
		215
		216	static void (alloc)(void *ptr, long size);
		217
		218	void ev_set_allocator (void (cb)(void *ptr, long size))
		219	{
		220	alloc = cb;
		221	}
		222
		223	static void *
		224	ev_realloc (void *ptr, long size)
		225	{
		226	ptr = alloc ? alloc (ptr, size) : realloc (ptr, size);
		227
		228	if (!ptr && size)
		229	{
		230	fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size);
		231	abort ();
		232	}
		233
		234	return ptr;
		235	}
		236
		237	#define ev_malloc(size) ev_realloc (0, (size))
		238	#define ev_free(ptr) ev_realloc ((ptr), 0)
		239
		240	/*****************************************************************************/
		241
122	typedef struct	242	typedef struct
123	{	243	{
124	struct ev_watcher_list *head;	244	WL head;
125	unsigned char events;	245	unsigned char events;
126	unsigned char reify;	246	unsigned char reify;
		247	#if EV_SELECT_IS_WINSOCKET
		248	SOCKET handle;
		249	#endif
127	} ANFD;	250	} ANFD;
128		251
129	typedef struct	252	typedef struct
130	{	253	{
131	W w;	254	W w;
132	int events;	255	int events;
133	} ANPENDING;	256	} ANPENDING;
134		257
135	#if EV_MULTIPLICITY	258	#if EV_MULTIPLICITY
136		259
137	struct ev_loop	260	struct ev_loop
138	{	261	{
		262	ev_tstamp ev_rt_now;
		263	#define ev_rt_now ((loop)->ev_rt_now)
139	# define VAR(name,decl) decl;	264	#define VAR(name,decl) decl;
140	# include "ev_vars.h"	265	#include "ev_vars.h"
141	};
142	# undef VAR	266	#undef VAR
		267	};
143	# include "ev_wrap.h"	268	#include "ev_wrap.h"
		269
		270	static struct ev_loop default_loop_struct;
		271	struct ev_loop *ev_default_loop_ptr;
144		272
145	#else	273	#else
146		274
		275	ev_tstamp ev_rt_now;
147	# define VAR(name,decl) static decl;	276	#define VAR(name,decl) static decl;
148	# include "ev_vars.h"	277	#include "ev_vars.h"
149	# undef VAR	278	#undef VAR
		279
		280	static int ev_default_loop_ptr;
150		281
151	#endif	282	#endif
152		283
153	/*****************************************************************************/	284	/*****************************************************************************/
154		285
155	inline ev_tstamp	286	ev_tstamp
156	ev_time (void)	287	ev_time (void)
157	{	288	{
158	#if EV_USE_REALTIME	289	#if EV_USE_REALTIME
159	struct timespec ts;	290	struct timespec ts;
160	clock_gettime (CLOCK_REALTIME, &ts);	291	clock_gettime (CLOCK_REALTIME, &ts);
…		…
179	#endif	310	#endif
180		311
181	return ev_time ();	312	return ev_time ();
182	}	313	}
183		314
		315	#if EV_MULTIPLICITY
184	ev_tstamp	316	ev_tstamp
185	ev_now (EV_P)	317	ev_now (EV_P)
186	{	318	{
187	return rt_now;	319	return ev_rt_now;
188	}	320	}
		321	#endif
189		322
190	#define array_roundsize(base,n) ((n) \| 4 & ~3)	323	#define array_roundsize(type,n) (((n) \| 4) & ~3)
191		324
192	#define array_needsize(base,cur,cnt,init) \	325	#define array_needsize(type,base,cur,cnt,init) \
193	if (expect_false ((cnt) > cur)) \	326	if (expect_false ((cnt) > cur)) \
194	{ \	327	{ \
195	int newcnt = cur; \	328	int newcnt = cur; \
196	do \	329	do \
197	{ \	330	{ \
198	newcnt = array_roundsize (base, newcnt << 1); \	331	newcnt = array_roundsize (type, newcnt << 1); \
199	} \	332	} \
200	while ((cnt) > newcnt); \	333	while ((cnt) > newcnt); \
201	\	334	\
202	base = realloc (base, sizeof (base) (newcnt)); \	335	base = (type )ev_realloc (base, sizeof (type) (newcnt));\
203	init (base + cur, newcnt - cur); \	336	init (base + cur, newcnt - cur); \
204	cur = newcnt; \	337	cur = newcnt; \
205	}	338	}
		339
		340	#define array_slim(type,stem) \
		341	if (stem ## max < array_roundsize (stem ## cnt >> 2)) \
		342	{ \
		343	stem ## max = array_roundsize (stem ## cnt >> 1); \
		344	base = (type )ev_realloc (base, sizeof (type) (stem ## max));\
		345	fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/D/\
		346	}
		347
		348	#define array_free(stem, idx) \
		349	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0;
206		350
207	/*****************************************************************************/	351	/*****************************************************************************/
208		352
209	static void	353	static void
210	anfds_init (ANFD *base, int count)	354	anfds_init (ANFD *base, int count)
…		…
217		361
218	++base;	362	++base;
219	}	363	}
220	}	364	}
221		365
222	static void	366	void
223	event (EV_P_ W w, int events)	367	ev_feed_event (EV_P_ void *w, int revents)
224	{	368	{
		369	W w_ = (W)w;
		370
225	if (w->pending)	371	if (w_->pending)
226	{	372	{
227	pendings [ABSPRI (w)][w->pending - 1].events \|= events;	373	pendings [ABSPRI (w_)][w_->pending - 1].events \|= revents;
228	return;	374	return;
229	}	375	}
230		376
231	w->pending = ++pendingcnt [ABSPRI (w)];	377	w_->pending = ++pendingcnt [ABSPRI (w_)];
232	array_needsize (pendings [ABSPRI (w)], pendingmax [ABSPRI (w)], pendingcnt [ABSPRI (w)], );	378	array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2);
233	pendings [ABSPRI (w)][w->pending - 1].w = w;	379	pendings [ABSPRI (w_)][w_->pending - 1].w = w_;
234	pendings [ABSPRI (w)][w->pending - 1].events = events;	380	pendings [ABSPRI (w_)][w_->pending - 1].events = revents;
235	}	381	}
236		382
237	static void	383	static void
238	queue_events (EV_P_ W *events, int eventcnt, int type)	384	queue_events (EV_P_ W *events, int eventcnt, int type)
239	{	385	{
240	int i;	386	int i;
241		387
242	for (i = 0; i < eventcnt; ++i)	388	for (i = 0; i < eventcnt; ++i)
243	event (EV_A_ events [i], type);	389	ev_feed_event (EV_A_ events [i], type);
244	}	390	}
245		391
246	static void	392	inline void
247	fd_event (EV_P_ int fd, int events)	393	fd_event (EV_P_ int fd, int revents)
248	{	394	{
249	ANFD *anfd = anfds + fd;	395	ANFD *anfd = anfds + fd;
250	struct ev_io *w;	396	struct ev_io *w;
251		397
252	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)	398	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)
253	{	399	{
254	int ev = w->events & events;	400	int ev = w->events & revents;
255		401
256	if (ev)	402	if (ev)
257	event (EV_A_ (W)w, ev);	403	ev_feed_event (EV_A_ (W)w, ev);
258	}	404	}
		405	}
		406
		407	void
		408	ev_feed_fd_event (EV_P_ int fd, int revents)
		409	{
		410	fd_event (EV_A_ fd, revents);
259	}	411	}
260		412
261	/*****************************************************************************/	413	/*****************************************************************************/
262		414
263	static void	415	static void
…		…
274	int events = 0;	426	int events = 0;
275		427
276	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)	428	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)
277	events \|= w->events;	429	events \|= w->events;
278		430
		431	#if EV_SELECT_IS_WINSOCKET
		432	if (events)
		433	{
		434	unsigned long argp;
		435	anfd->handle = _get_osfhandle (fd);
		436	assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0));
		437	}
		438	#endif
		439
279	anfd->reify = 0;	440	anfd->reify = 0;
280		441
281	if (anfd->events != events)
282	{
283	method_modify (EV_A_ fd, anfd->events, events);	442	method_modify (EV_A_ fd, anfd->events, events);
284	anfd->events = events;	443	anfd->events = events;
285	}
286	}	444	}
287		445
288	fdchangecnt = 0;	446	fdchangecnt = 0;
289	}	447	}
290		448
291	static void	449	static void
292	fd_change (EV_P_ int fd)	450	fd_change (EV_P_ int fd)
293	{	451	{
294	if (anfds [fd].reify \|\| fdchangecnt < 0)	452	if (anfds [fd].reify)
295	return;	453	return;
296		454
297	anfds [fd].reify = 1;	455	anfds [fd].reify = 1;
298		456
299	++fdchangecnt;	457	++fdchangecnt;
300	array_needsize (fdchanges, fdchangemax, fdchangecnt, );	458	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);
301	fdchanges [fdchangecnt - 1] = fd;	459	fdchanges [fdchangecnt - 1] = fd;
302	}	460	}
303		461
304	static void	462	static void
305	fd_kill (EV_P_ int fd)	463	fd_kill (EV_P_ int fd)
…		…
307	struct ev_io *w;	465	struct ev_io *w;
308		466
309	while ((w = (struct ev_io *)anfds [fd].head))	467	while ((w = (struct ev_io *)anfds [fd].head))
310	{	468	{
311	ev_io_stop (EV_A_ w);	469	ev_io_stop (EV_A_ w);
312	event (EV_A_ (W)w, EV_ERROR \| EV_READ \| EV_WRITE);	470	ev_feed_event (EV_A_ (W)w, EV_ERROR \| EV_READ \| EV_WRITE);
313	}	471	}
		472	}
		473
		474	static int
		475	fd_valid (int fd)
		476	{
		477	#ifdef _WIN32
		478	return _get_osfhandle (fd) != -1;
		479	#else
		480	return fcntl (fd, F_GETFD) != -1;
		481	#endif
314	}	482	}
315		483
316	/* called on EBADF to verify fds */	484	/* called on EBADF to verify fds */
317	static void	485	static void
318	fd_ebadf (EV_P)	486	fd_ebadf (EV_P)
319	{	487	{
320	int fd;	488	int fd;
321		489
322	for (fd = 0; fd < anfdmax; ++fd)	490	for (fd = 0; fd < anfdmax; ++fd)
323	if (anfds [fd].events)	491	if (anfds [fd].events)
324	if (fcntl (fd, F_GETFD) == -1 && errno == EBADF)	492	if (!fd_valid (fd) == -1 && errno == EBADF)
325	fd_kill (EV_A_ fd);	493	fd_kill (EV_A_ fd);
326	}	494	}
327		495
328	/* called on ENOMEM in select/poll to kill some fds and retry */	496	/* called on ENOMEM in select/poll to kill some fds and retry */
329	static void	497	static void
330	fd_enomem (EV_P)	498	fd_enomem (EV_P)
331	{	499	{
332	int fd = anfdmax;	500	int fd;
333		501
334	while (fd--)	502	for (fd = anfdmax; fd--; )
335	if (anfds [fd].events)	503	if (anfds [fd].events)
336	{	504	{
337	close (fd);
338	fd_kill (EV_A_ fd);	505	fd_kill (EV_A_ fd);
339	return;	506	return;
340	}	507	}
341	}	508	}
342		509
343	/* susually called after fork if method needs to re-arm all fds from scratch */	510	/* usually called after fork if method needs to re-arm all fds from scratch */
344	static void	511	static void
345	fd_rearm_all (EV_P)	512	fd_rearm_all (EV_P)
346	{	513	{
347	int fd;	514	int fd;
348		515
349	/* this should be highly optimised to not do anything but set a flag */	516	/* this should be highly optimised to not do anything but set a flag */
350	for (fd = 0; fd < anfdmax; ++fd)	517	for (fd = 0; fd < anfdmax; ++fd)
351	if (anfds [fd].events)	518	if (anfds [fd].events)
352	{	519	{
353	anfds [fd].events = 0;	520	anfds [fd].events = 0;
354	fd_change (fd);	521	fd_change (EV_A_ fd);
355	}	522	}
356	}	523	}
357		524
358	/*****************************************************************************/	525	/*****************************************************************************/
359		526
…		…
363	WT w = heap [k];	530	WT w = heap [k];
364		531
365	while (k && heap [k >> 1]->at > w->at)	532	while (k && heap [k >> 1]->at > w->at)
366	{	533	{
367	heap [k] = heap [k >> 1];	534	heap [k] = heap [k >> 1];
368	heap [k]->active = k + 1;	535	((W)heap [k])->active = k + 1;
369	k >>= 1;	536	k >>= 1;
370	}	537	}
371		538
372	heap [k] = w;	539	heap [k] = w;
373	heap [k]->active = k + 1;	540	((W)heap [k])->active = k + 1;
374		541
375	}	542	}
376		543
377	static void	544	static void
378	downheap (WT *heap, int N, int k)	545	downheap (WT *heap, int N, int k)
…		…
388		555
389	if (w->at <= heap [j]->at)	556	if (w->at <= heap [j]->at)
390	break;	557	break;
391		558
392	heap [k] = heap [j];	559	heap [k] = heap [j];
393	heap [k]->active = k + 1;	560	((W)heap [k])->active = k + 1;
394	k = j;	561	k = j;
395	}	562	}
396		563
397	heap [k] = w;	564	heap [k] = w;
398	heap [k]->active = k + 1;	565	((W)heap [k])->active = k + 1;
		566	}
		567
		568	inline void
		569	adjustheap (WT *heap, int N, int k)
		570	{
		571	upheap (heap, k);
		572	downheap (heap, N, k);
399	}	573	}
400		574
401	/*****************************************************************************/	575	/*****************************************************************************/
402		576
403	typedef struct	577	typedef struct
404	{	578	{
405	struct ev_watcher_list *head;	579	WL head;
406	sig_atomic_t volatile gotsig;	580	sig_atomic_t volatile gotsig;
407	} ANSIG;	581	} ANSIG;
408		582
409	static ANSIG *signals;	583	static ANSIG *signals;
410	static int signalmax;	584	static int signalmax;
…		…
426	}	600	}
427		601
428	static void	602	static void
429	sighandler (int signum)	603	sighandler (int signum)
430	{	604	{
		605	#if _WIN32
		606	signal (signum, sighandler);
		607	#endif
		608
431	signals [signum - 1].gotsig = 1;	609	signals [signum - 1].gotsig = 1;
432		610
433	if (!gotsig)	611	if (!gotsig)
434	{	612	{
435	int old_errno = errno;	613	int old_errno = errno;
…		…
437	write (sigpipe [1], &signum, 1);	615	write (sigpipe [1], &signum, 1);
438	errno = old_errno;	616	errno = old_errno;
439	}	617	}
440	}	618	}
441		619
		620	void
		621	ev_feed_signal_event (EV_P_ int signum)
		622	{
		623	WL w;
		624
		625	#if EV_MULTIPLICITY
		626	assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr));
		627	#endif
		628
		629	--signum;
		630
		631	if (signum < 0 \|\| signum >= signalmax)
		632	return;
		633
		634	signals [signum].gotsig = 0;
		635
		636	for (w = signals [signum].head; w; w = w->next)
		637	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
		638	}
		639
442	static void	640	static void
443	sigcb (EV_P_ struct ev_io *iow, int revents)	641	sigcb (EV_P_ struct ev_io *iow, int revents)
444	{	642	{
445	struct ev_watcher_list *w;
446	int signum;	643	int signum;
447		644
448	read (sigpipe [0], &revents, 1);	645	read (sigpipe [0], &revents, 1);
449	gotsig = 0;	646	gotsig = 0;
450		647
451	for (signum = signalmax; signum--; )	648	for (signum = signalmax; signum--; )
452	if (signals [signum].gotsig)	649	if (signals [signum].gotsig)
453	{	650	ev_feed_signal_event (EV_A_ signum + 1);
454	signals [signum].gotsig = 0;	651	}
455		652
456	for (w = signals [signum].head; w; w = w->next)	653	inline void
457	event (EV_A_ (W)w, EV_SIGNAL);	654	fd_intern (int fd)
458	}	655	{
		656	#ifdef _WIN32
		657	int arg = 1;
		658	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);
		659	#else
		660	fcntl (fd, F_SETFD, FD_CLOEXEC);
		661	fcntl (fd, F_SETFL, O_NONBLOCK);
		662	#endif
459	}	663	}
460		664
461	static void	665	static void
462	siginit (EV_P)	666	siginit (EV_P)
463	{	667	{
464	#ifndef WIN32	668	fd_intern (sigpipe [0]);
465	fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC);	669	fd_intern (sigpipe [1]);
466	fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC);
467
468	/* rather than sort out wether we really need nb, set it */
469	fcntl (sigpipe [0], F_SETFL, O_NONBLOCK);
470	fcntl (sigpipe [1], F_SETFL, O_NONBLOCK);
471	#endif
472		670
473	ev_io_set (&sigev, sigpipe [0], EV_READ);	671	ev_io_set (&sigev, sigpipe [0], EV_READ);
474	ev_io_start (EV_A_ &sigev);	672	ev_io_start (EV_A_ &sigev);
475	ev_unref (EV_A); /* child watcher should not keep loop alive */	673	ev_unref (EV_A); /* child watcher should not keep loop alive */
476	}	674	}
477		675
478	/*****************************************************************************/	676	/*****************************************************************************/
479		677
480	#ifndef WIN32
481
482	static struct ev_child *childs [PID_HASHSIZE];	678	static struct ev_child *childs [PID_HASHSIZE];
		679
		680	#ifndef _WIN32
		681
483	static struct ev_signal childev;	682	static struct ev_signal childev;
484		683
485	#ifndef WCONTINUED	684	#ifndef WCONTINUED
486	# define WCONTINUED 0	685	# define WCONTINUED 0
487	#endif	686	#endif
…		…
492	struct ev_child *w;	691	struct ev_child *w;
493		692
494	for (w = (struct ev_child )childs [chain & (PID_HASHSIZE - 1)]; w; w = (struct ev_child )((WL)w)->next)	693	for (w = (struct ev_child )childs [chain & (PID_HASHSIZE - 1)]; w; w = (struct ev_child )((WL)w)->next)
495	if (w->pid == pid \|\| !w->pid)	694	if (w->pid == pid \|\| !w->pid)
496	{	695	{
497	w->priority = sw->priority; /* need to do it now */	696	ev_priority (w) = ev_priority (sw); /* need to do it now */
498	w->rpid = pid;	697	w->rpid = pid;
499	w->rstatus = status;	698	w->rstatus = status;
500	event (EV_A_ (W)w, EV_CHILD);	699	ev_feed_event (EV_A_ (W)w, EV_CHILD);
501	}	700	}
502	}	701	}
503		702
504	static void	703	static void
505	childcb (EV_P_ struct ev_signal *sw, int revents)	704	childcb (EV_P_ struct ev_signal *sw, int revents)
…		…
507	int pid, status;	706	int pid, status;
508		707
509	if (0 < (pid = waitpid (-1, &status, WNOHANG \| WUNTRACED \| WCONTINUED)))	708	if (0 < (pid = waitpid (-1, &status, WNOHANG \| WUNTRACED \| WCONTINUED)))
510	{	709	{
511	/* make sure we are called again until all childs have been reaped */	710	/* make sure we are called again until all childs have been reaped */
512	event (EV_A_ (W)sw, EV_SIGNAL);	711	ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);
513		712
514	child_reap (EV_A_ sw, pid, pid, status);	713	child_reap (EV_A_ sw, pid, pid, status);
515	child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */	714	child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */
516	}	715	}
517	}	716	}
518		717
519	#endif	718	#endif
520		719
521	/*****************************************************************************/	720	/*****************************************************************************/
522		721
		722	#if EV_USE_PORT
		723	# include "ev_port.c"
		724	#endif
523	#if EV_USE_KQUEUE	725	#if EV_USE_KQUEUE
524	# include "ev_kqueue.c"	726	# include "ev_kqueue.c"
525	#endif	727	#endif
526	#if EV_USE_EPOLL	728	#if EV_USE_EPOLL
527	# include "ev_epoll.c"	729	# include "ev_epoll.c"
…		…
547		749
548	/* return true if we are running with elevated privileges and should ignore env variables */	750	/* return true if we are running with elevated privileges and should ignore env variables */
549	static int	751	static int
550	enable_secure (void)	752	enable_secure (void)
551	{	753	{
552	#ifdef WIN32	754	#ifdef _WIN32
553	return 0;	755	return 0;
554	#else	756	#else
555	return getuid () != geteuid ()	757	return getuid () != geteuid ()
556	\|\| getgid () != getegid ();	758	\|\| getgid () != getegid ();
557	#endif	759	#endif
558	}	760	}
559		761
560	int	762	unsigned int
561	ev_method (EV_P)	763	ev_method (EV_P)
562	{	764	{
563	return method;	765	return method;
564	}	766	}
565		767
566	static void	768	static void
567	loop_init (EV_P_ int methods)	769	loop_init (EV_P_ unsigned int flags)
568	{	770	{
569	if (!method)	771	if (!method)
570	{	772	{
571	#if EV_USE_MONOTONIC	773	#if EV_USE_MONOTONIC
572	{	774	{
…		…
574	if (!clock_gettime (CLOCK_MONOTONIC, &ts))	776	if (!clock_gettime (CLOCK_MONOTONIC, &ts))
575	have_monotonic = 1;	777	have_monotonic = 1;
576	}	778	}
577	#endif	779	#endif
578		780
579	rt_now = ev_time ();	781	ev_rt_now = ev_time ();
580	mn_now = get_clock ();	782	mn_now = get_clock ();
581	now_floor = mn_now;	783	now_floor = mn_now;
582	rtmn_diff = rt_now - mn_now;	784	rtmn_diff = ev_rt_now - mn_now;
583		785
584	if (methods == EVMETHOD_AUTO)	786	if (!(flags & EVFLAG_NOENV) && !enable_secure () && getenv ("LIBEV_FLAGS"))
585	if (!enable_secure () && getenv ("LIBEV_METHODS"))
586	methods = atoi (getenv ("LIBEV_METHODS"));	787	flags = atoi (getenv ("LIBEV_FLAGS"));
587	else	788
588	methods = EVMETHOD_ANY;	789	if (!(flags & 0x0000ffff))
		790	flags \|= 0x0000ffff;
589		791
590	method = 0;	792	method = 0;
		793	#if EV_USE_PORT
		794	if (!method && (flags & EVMETHOD_PORT )) method = port_init (EV_A_ flags);
		795	#endif
591	#if EV_USE_KQUEUE	796	#if EV_USE_KQUEUE
592	if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods);	797	if (!method && (flags & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ flags);
593	#endif	798	#endif
594	#if EV_USE_EPOLL	799	#if EV_USE_EPOLL
595	if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods);	800	if (!method && (flags & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ flags);
596	#endif	801	#endif
597	#if EV_USE_POLL	802	#if EV_USE_POLL
598	if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods);	803	if (!method && (flags & EVMETHOD_POLL )) method = poll_init (EV_A_ flags);
599	#endif	804	#endif
600	#if EV_USE_SELECT	805	#if EV_USE_SELECT
601	if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods);	806	if (!method && (flags & EVMETHOD_SELECT)) method = select_init (EV_A_ flags);
602	#endif	807	#endif
		808
		809	ev_init (&sigev, sigcb);
		810	ev_set_priority (&sigev, EV_MAXPRI);
603	}	811	}
604	}	812	}
605		813
606	void	814	void
607	loop_destroy (EV_P)	815	loop_destroy (EV_P)
608	{	816	{
		817	int i;
		818
		819	#if EV_USE_PORT
		820	if (method == EVMETHOD_PORT ) port_destroy (EV_A);
		821	#endif
609	#if EV_USE_KQUEUE	822	#if EV_USE_KQUEUE
610	if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A);	823	if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A);
611	#endif	824	#endif
612	#if EV_USE_EPOLL	825	#if EV_USE_EPOLL
613	if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A);	826	if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A);
…		…
617	#endif	830	#endif
618	#if EV_USE_SELECT	831	#if EV_USE_SELECT
619	if (method == EVMETHOD_SELECT) select_destroy (EV_A);	832	if (method == EVMETHOD_SELECT) select_destroy (EV_A);
620	#endif	833	#endif
621		834
		835	for (i = NUMPRI; i--; )
		836	array_free (pending, [i]);
		837
		838	/* have to use the microsoft-never-gets-it-right macro */
		839	array_free (fdchange, EMPTY0);
		840	array_free (timer, EMPTY0);
		841	#if EV_PERIODICS
		842	array_free (periodic, EMPTY0);
		843	#endif
		844	array_free (idle, EMPTY0);
		845	array_free (prepare, EMPTY0);
		846	array_free (check, EMPTY0);
		847
622	method = 0;	848	method = 0;
623	/TODO/
624	}	849	}
625		850
626	void	851	static void
627	loop_fork (EV_P)	852	loop_fork (EV_P)
628	{	853	{
629	/TODO/	854	#if EV_USE_PORT
		855	if (method == EVMETHOD_PORT ) port_fork (EV_A);
		856	#endif
		857	#if EV_USE_KQUEUE
		858	if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A);
		859	#endif
630	#if EV_USE_EPOLL	860	#if EV_USE_EPOLL
631	if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A);	861	if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A);
632	#endif	862	#endif
633	#if EV_USE_KQUEUE	863
634	if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A);	864	if (ev_is_active (&sigev))
635	#endif	865	{
		866	/* default loop */
		867
		868	ev_ref (EV_A);
		869	ev_io_stop (EV_A_ &sigev);
		870	close (sigpipe [0]);
		871	close (sigpipe [1]);
		872
		873	while (pipe (sigpipe))
		874	syserr ("(libev) error creating pipe");
		875
		876	siginit (EV_A);
		877	}
		878
		879	postfork = 0;
636	}	880	}
637		881
638	#if EV_MULTIPLICITY	882	#if EV_MULTIPLICITY
639	struct ev_loop *	883	struct ev_loop *
640	ev_loop_new (int methods)	884	ev_loop_new (unsigned int flags)
641	{	885	{
642	struct ev_loop loop = (struct ev_loop )calloc (1, sizeof (struct ev_loop));	886	struct ev_loop loop = (struct ev_loop )ev_malloc (sizeof (struct ev_loop));
643		887
		888	memset (loop, 0, sizeof (struct ev_loop));
		889
644	loop_init (EV_A_ methods);	890	loop_init (EV_A_ flags);
645		891
646	if (ev_methods (EV_A))	892	if (ev_method (EV_A))
647	return loop;	893	return loop;
648		894
649	return 0;	895	return 0;
650	}	896	}
651		897
652	void	898	void
653	ev_loop_destroy (EV_P)	899	ev_loop_destroy (EV_P)
654	{	900	{
655	loop_destroy (EV_A);	901	loop_destroy (EV_A);
656	free (loop);	902	ev_free (loop);
657	}	903	}
658		904
659	void	905	void
660	ev_loop_fork (EV_P)	906	ev_loop_fork (EV_P)
661	{	907	{
662	loop_fork (EV_A);	908	postfork = 1;
663	}	909	}
664		910
665	#endif	911	#endif
666		912
667	#if EV_MULTIPLICITY	913	#if EV_MULTIPLICITY
668	struct ev_loop default_loop_struct;
669	static struct ev_loop *default_loop;
670
671	struct ev_loop *	914	struct ev_loop *
		915	ev_default_loop_ (unsigned int flags)
672	#else	916	#else
673	static int default_loop;
674
675	int	917	int
		918	ev_default_loop (unsigned int flags)
676	#endif	919	#endif
677	ev_default_loop (int methods)
678	{	920	{
679	if (sigpipe [0] == sigpipe [1])	921	if (sigpipe [0] == sigpipe [1])
680	if (pipe (sigpipe))	922	if (pipe (sigpipe))
681	return 0;	923	return 0;
682		924
683	if (!default_loop)	925	if (!ev_default_loop_ptr)
684	{	926	{
685	#if EV_MULTIPLICITY	927	#if EV_MULTIPLICITY
686	struct ev_loop *loop = default_loop = &default_loop_struct;	928	struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct;
687	#else	929	#else
688	default_loop = 1;	930	ev_default_loop_ptr = 1;
689	#endif	931	#endif
690		932
691	loop_init (EV_A_ methods);	933	loop_init (EV_A_ flags);
692		934
693	if (ev_method (EV_A))	935	if (ev_method (EV_A))
694	{	936	{
695	ev_watcher_init (&sigev, sigcb);
696	ev_set_priority (&sigev, EV_MAXPRI);
697	siginit (EV_A);	937	siginit (EV_A);
698		938
699	#ifndef WIN32	939	#ifndef _WIN32
700	ev_signal_init (&childev, childcb, SIGCHLD);	940	ev_signal_init (&childev, childcb, SIGCHLD);
701	ev_set_priority (&childev, EV_MAXPRI);	941	ev_set_priority (&childev, EV_MAXPRI);
702	ev_signal_start (EV_A_ &childev);	942	ev_signal_start (EV_A_ &childev);
703	ev_unref (EV_A); /* child watcher should not keep loop alive */	943	ev_unref (EV_A); /* child watcher should not keep loop alive */
704	#endif	944	#endif
705	}	945	}
706	else	946	else
707	default_loop = 0;	947	ev_default_loop_ptr = 0;
708	}	948	}
709		949
710	return default_loop;	950	return ev_default_loop_ptr;
711	}	951	}
712		952
713	void	953	void
714	ev_default_destroy (void)	954	ev_default_destroy (void)
715	{	955	{
716	#if EV_MULTIPLICITY	956	#if EV_MULTIPLICITY
717	struct ev_loop *loop = default_loop;	957	struct ev_loop *loop = ev_default_loop_ptr;
718	#endif	958	#endif
719		959
		960	#ifndef _WIN32
720	ev_ref (EV_A); /* child watcher */	961	ev_ref (EV_A); /* child watcher */
721	ev_signal_stop (EV_A_ &childev);	962	ev_signal_stop (EV_A_ &childev);
		963	#endif
722		964
723	ev_ref (EV_A); /* signal watcher */	965	ev_ref (EV_A); /* signal watcher */
724	ev_io_stop (EV_A_ &sigev);	966	ev_io_stop (EV_A_ &sigev);
725		967
726	close (sigpipe [0]); sigpipe [0] = 0;	968	close (sigpipe [0]); sigpipe [0] = 0;
…		…
728		970
729	loop_destroy (EV_A);	971	loop_destroy (EV_A);
730	}	972	}
731		973
732	void	974	void
733	ev_default_fork (EV_P)	975	ev_default_fork (void)
734	{	976	{
735	loop_fork (EV_A);	977	#if EV_MULTIPLICITY
		978	struct ev_loop *loop = ev_default_loop_ptr;
		979	#endif
736		980
737	ev_io_stop (EV_A_ &sigev);	981	if (method)
738	close (sigpipe [0]);	982	postfork = 1;
739	close (sigpipe [1]);
740	pipe (sigpipe);
741
742	ev_ref (EV_A); /* signal watcher */
743	siginit (EV_A);
744	}	983	}
745		984
746	/*****************************************************************************/	985	/*****************************************************************************/
747		986
748	static void	987	static int
		988	any_pending (EV_P)
		989	{
		990	int pri;
		991
		992	for (pri = NUMPRI; pri--; )
		993	if (pendingcnt [pri])
		994	return 1;
		995
		996	return 0;
		997	}
		998
		999	inline void
749	call_pending (EV_P)	1000	call_pending (EV_P)
750	{	1001	{
751	int pri;	1002	int pri;
752		1003
753	for (pri = NUMPRI; pri--; )	1004	for (pri = NUMPRI; pri--; )
754	while (pendingcnt [pri])	1005	while (pendingcnt [pri])
755	{	1006	{
756	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	1007	ANPENDING *p = pendings [pri] + --pendingcnt [pri];
757		1008
758	if (p->w)	1009	if (expect_true (p->w))
759	{	1010	{
760	p->w->pending = 0;	1011	p->w->pending = 0;
761	p->w->cb (EV_A_ p->w, p->events);	1012	EV_CB_INVOKE (p->w, p->events);
762	}	1013	}
763	}	1014	}
764	}	1015	}
765		1016
766	static void	1017	static void
767	timers_reify (EV_P)	1018	timers_reify (EV_P)
768	{	1019	{
769	while (timercnt && timers [0]->at <= mn_now)	1020	while (timercnt && ((WT)timers [0])->at <= mn_now)
770	{	1021	{
771	struct ev_timer *w = timers [0];	1022	struct ev_timer *w = timers [0];
		1023
		1024	assert (("inactive timer on timer heap detected", ev_is_active (w)));
772		1025
773	/* first reschedule or stop timer */	1026	/* first reschedule or stop timer */
774	if (w->repeat)	1027	if (w->repeat)
775	{	1028	{
776	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));	1029	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));
		1030
777	w->at = mn_now + w->repeat;	1031	((WT)w)->at += w->repeat;
		1032	if (((WT)w)->at < mn_now)
		1033	((WT)w)->at = mn_now;
		1034
778	downheap ((WT *)timers, timercnt, 0);	1035	downheap ((WT *)timers, timercnt, 0);
779	}	1036	}
780	else	1037	else
781	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */	1038	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
782		1039
783	event (EV_A_ (W)w, EV_TIMEOUT);	1040	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
784	}	1041	}
785	}	1042	}
786		1043
		1044	#if EV_PERIODICS
787	static void	1045	static void
788	periodics_reify (EV_P)	1046	periodics_reify (EV_P)
789	{	1047	{
790	while (periodiccnt && periodics [0]->at <= rt_now)	1048	while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now)
791	{	1049	{
792	struct ev_periodic *w = periodics [0];	1050	struct ev_periodic *w = periodics [0];
793		1051
		1052	assert (("inactive timer on periodic heap detected", ev_is_active (w)));
		1053
794	/* first reschedule or stop timer */	1054	/* first reschedule or stop timer */
795	if (w->interval)	1055	if (w->reschedule_cb)
796	{	1056	{
		1057	((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001);
		1058	assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now));
		1059	downheap ((WT *)periodics, periodiccnt, 0);
		1060	}
		1061	else if (w->interval)
		1062	{
797	w->at += floor ((rt_now - w->at) / w->interval + 1.) * w->interval;	1063	((WT)w)->at += floor ((ev_rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval;
798	assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", w->at > rt_now));	1064	assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now));
799	downheap ((WT *)periodics, periodiccnt, 0);	1065	downheap ((WT *)periodics, periodiccnt, 0);
800	}	1066	}
801	else	1067	else
802	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */	1068	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
803		1069
804	event (EV_A_ (W)w, EV_PERIODIC);	1070	ev_feed_event (EV_A_ (W)w, EV_PERIODIC);
805	}	1071	}
806	}	1072	}
807		1073
808	static void	1074	static void
809	periodics_reschedule (EV_P)	1075	periodics_reschedule (EV_P)
…		…
813	/* adjust periodics after time jump */	1079	/* adjust periodics after time jump */
814	for (i = 0; i < periodiccnt; ++i)	1080	for (i = 0; i < periodiccnt; ++i)
815	{	1081	{
816	struct ev_periodic *w = periodics [i];	1082	struct ev_periodic *w = periodics [i];
817		1083
		1084	if (w->reschedule_cb)
		1085	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
818	if (w->interval)	1086	else if (w->interval)
819	{
820	ev_tstamp diff = ceil ((rt_now - w->at) / w->interval) * w->interval;	1087	((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval;
821
822	if (fabs (diff) >= 1e-4)
823	{
824	ev_periodic_stop (EV_A_ w);
825	ev_periodic_start (EV_A_ w);
826
827	i = 0; /* restart loop, inefficient, but time jumps should be rare */
828	}
829	}
830	}	1088	}
		1089
		1090	/* now rebuild the heap */
		1091	for (i = periodiccnt >> 1; i--; )
		1092	downheap ((WT *)periodics, periodiccnt, i);
831	}	1093	}
		1094	#endif
832		1095
833	inline int	1096	inline int
834	time_update_monotonic (EV_P)	1097	time_update_monotonic (EV_P)
835	{	1098	{
836	mn_now = get_clock ();	1099	mn_now = get_clock ();
837		1100
838	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))	1101	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))
839	{	1102	{
840	rt_now = rtmn_diff + mn_now;	1103	ev_rt_now = rtmn_diff + mn_now;
841	return 0;	1104	return 0;
842	}	1105	}
843	else	1106	else
844	{	1107	{
845	now_floor = mn_now;	1108	now_floor = mn_now;
846	rt_now = ev_time ();	1109	ev_rt_now = ev_time ();
847	return 1;	1110	return 1;
848	}	1111	}
849	}	1112	}
850		1113
851	static void	1114	static void
…		…
860	{	1123	{
861	ev_tstamp odiff = rtmn_diff;	1124	ev_tstamp odiff = rtmn_diff;
862		1125
863	for (i = 4; --i; ) /* loop a few times, before making important decisions */	1126	for (i = 4; --i; ) /* loop a few times, before making important decisions */
864	{	1127	{
865	rtmn_diff = rt_now - mn_now;	1128	rtmn_diff = ev_rt_now - mn_now;
866		1129
867	if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)	1130	if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)
868	return; /* all is well */	1131	return; /* all is well */
869		1132
870	rt_now = ev_time ();	1133	ev_rt_now = ev_time ();
871	mn_now = get_clock ();	1134	mn_now = get_clock ();
872	now_floor = mn_now;	1135	now_floor = mn_now;
873	}	1136	}
874		1137
		1138	# if EV_PERIODICS
875	periodics_reschedule (EV_A);	1139	periodics_reschedule (EV_A);
		1140	# endif
876	/* no timer adjustment, as the monotonic clock doesn't jump */	1141	/* no timer adjustment, as the monotonic clock doesn't jump */
877	/* timers_reschedule (EV_A_ rtmn_diff - odiff) */	1142	/* timers_reschedule (EV_A_ rtmn_diff - odiff) */
878	}	1143	}
879	}	1144	}
880	else	1145	else
881	#endif	1146	#endif
882	{	1147	{
883	rt_now = ev_time ();	1148	ev_rt_now = ev_time ();
884		1149
885	if (expect_false (mn_now > rt_now \|\| mn_now < rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP))	1150	if (expect_false (mn_now > ev_rt_now \|\| mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP))
886	{	1151	{
		1152	#if EV_PERIODICS
887	periodics_reschedule (EV_A);	1153	periodics_reschedule (EV_A);
		1154	#endif
888		1155
889	/* adjust timers. this is easy, as the offset is the same for all */	1156	/* adjust timers. this is easy, as the offset is the same for all */
890	for (i = 0; i < timercnt; ++i)	1157	for (i = 0; i < timercnt; ++i)
891	timers [i]->at += rt_now - mn_now;	1158	((WT)timers [i])->at += ev_rt_now - mn_now;
892	}	1159	}
893		1160
894	mn_now = rt_now;	1161	mn_now = ev_rt_now;
895	}	1162	}
896	}	1163	}
897		1164
898	void	1165	void
899	ev_ref (EV_P)	1166	ev_ref (EV_P)
…		…
913	ev_loop (EV_P_ int flags)	1180	ev_loop (EV_P_ int flags)
914	{	1181	{
915	double block;	1182	double block;
916	loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK) ? 1 : 0;	1183	loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK) ? 1 : 0;
917		1184
918	do	1185	while (activecnt)
919	{	1186	{
920	/* queue check watchers (and execute them) */	1187	/* queue check watchers (and execute them) */
921	if (expect_false (preparecnt))	1188	if (expect_false (preparecnt))
922	{	1189	{
923	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);	1190	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
924	call_pending (EV_A);	1191	call_pending (EV_A);
925	}	1192	}
926		1193
		1194	/* we might have forked, so reify kernel state if necessary */
		1195	if (expect_false (postfork))
		1196	loop_fork (EV_A);
		1197
927	/* update fd-related kernel structures */	1198	/* update fd-related kernel structures */
928	fd_reify (EV_A);	1199	fd_reify (EV_A);
929		1200
930	/* calculate blocking time */	1201	/* calculate blocking time */
931		1202
932	/* we only need this for !monotonic clockor timers, but as we basically	1203	/* we only need this for !monotonic clock or timers, but as we basically
933	always have timers, we just calculate it always */	1204	always have timers, we just calculate it always */
934	#if EV_USE_MONOTONIC	1205	#if EV_USE_MONOTONIC
935	if (expect_true (have_monotonic))	1206	if (expect_true (have_monotonic))
936	time_update_monotonic (EV_A);	1207	time_update_monotonic (EV_A);
937	else	1208	else
938	#endif	1209	#endif
939	{	1210	{
940	rt_now = ev_time ();	1211	ev_rt_now = ev_time ();
941	mn_now = rt_now;	1212	mn_now = ev_rt_now;
942	}	1213	}
943		1214
944	if (flags & EVLOOP_NONBLOCK \|\| idlecnt)	1215	if (flags & EVLOOP_NONBLOCK \|\| idlecnt)
945	block = 0.;	1216	block = 0.;
946	else	1217	else
947	{	1218	{
948	block = MAX_BLOCKTIME;	1219	block = MAX_BLOCKTIME;
949		1220
950	if (timercnt)	1221	if (timercnt)
951	{	1222	{
952	ev_tstamp to = timers [0]->at - mn_now + method_fudge;	1223	ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge;
953	if (block > to) block = to;	1224	if (block > to) block = to;
954	}	1225	}
955		1226
		1227	#if EV_PERIODICS
956	if (periodiccnt)	1228	if (periodiccnt)
957	{	1229	{
958	ev_tstamp to = periodics [0]->at - rt_now + method_fudge;	1230	ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + method_fudge;
959	if (block > to) block = to;	1231	if (block > to) block = to;
960	}	1232	}
		1233	#endif
961		1234
962	if (block < 0.) block = 0.;	1235	if (block < 0.) block = 0.;
963	}	1236	}
964		1237
965	method_poll (EV_A_ block);	1238	method_poll (EV_A_ block);
966		1239
967	/* update rt_now, do magic */	1240	/* update ev_rt_now, do magic */
968	time_update (EV_A);	1241	time_update (EV_A);
969		1242
970	/* queue pending timers and reschedule them */	1243	/* queue pending timers and reschedule them */
971	timers_reify (EV_A); /* relative timers called last */	1244	timers_reify (EV_A); /* relative timers called last */
		1245	#if EV_PERIODICS
972	periodics_reify (EV_A); /* absolute timers called first */	1246	periodics_reify (EV_A); /* absolute timers called first */
		1247	#endif
973		1248
974	/* queue idle watchers unless io or timers are pending */	1249	/* queue idle watchers unless io or timers are pending */
975	if (!pendingcnt)	1250	if (idlecnt && !any_pending (EV_A))
976	queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);	1251	queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);
977		1252
978	/* queue check watchers, to be executed first */	1253	/* queue check watchers, to be executed first */
979	if (checkcnt)	1254	if (checkcnt)
980	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);	1255	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
981		1256
982	call_pending (EV_A);	1257	call_pending (EV_A);
		1258
		1259	if (loop_done)
		1260	break;
983	}	1261	}
984	while (activecnt && !loop_done);
985		1262
986	if (loop_done != 2)	1263	if (loop_done != 2)
987	loop_done = 0;	1264	loop_done = 0;
988	}	1265	}
989		1266
…		…
1055	return;	1332	return;
1056		1333
1057	assert (("ev_io_start called with negative fd", fd >= 0));	1334	assert (("ev_io_start called with negative fd", fd >= 0));
1058		1335
1059	ev_start (EV_A_ (W)w, 1);	1336	ev_start (EV_A_ (W)w, 1);
1060	array_needsize (anfds, anfdmax, fd + 1, anfds_init);	1337	array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);
1061	wlist_add ((WL *)&anfds[fd].head, (WL)w);	1338	wlist_add ((WL *)&anfds[fd].head, (WL)w);
1062		1339
1063	fd_change (EV_A_ fd);	1340	fd_change (EV_A_ fd);
1064	}	1341	}
1065		1342
…		…
1068	{	1345	{
1069	ev_clear_pending (EV_A_ (W)w);	1346	ev_clear_pending (EV_A_ (W)w);
1070	if (!ev_is_active (w))	1347	if (!ev_is_active (w))
1071	return;	1348	return;
1072		1349
		1350	assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
		1351
1073	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);	1352	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);
1074	ev_stop (EV_A_ (W)w);	1353	ev_stop (EV_A_ (W)w);
1075		1354
1076	fd_change (EV_A_ w->fd);	1355	fd_change (EV_A_ w->fd);
1077	}	1356	}
…		…
1080	ev_timer_start (EV_P_ struct ev_timer *w)	1359	ev_timer_start (EV_P_ struct ev_timer *w)
1081	{	1360	{
1082	if (ev_is_active (w))	1361	if (ev_is_active (w))
1083	return;	1362	return;
1084		1363
1085	w->at += mn_now;	1364	((WT)w)->at += mn_now;
1086		1365
1087	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));	1366	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
1088		1367
1089	ev_start (EV_A_ (W)w, ++timercnt);	1368	ev_start (EV_A_ (W)w, ++timercnt);
1090	array_needsize (timers, timermax, timercnt, );	1369	array_needsize (struct ev_timer *, timers, timermax, timercnt, EMPTY2);
1091	timers [timercnt - 1] = w;	1370	timers [timercnt - 1] = w;
1092	upheap ((WT *)timers, timercnt - 1);	1371	upheap ((WT *)timers, timercnt - 1);
		1372
		1373	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
1093	}	1374	}
1094		1375
1095	void	1376	void
1096	ev_timer_stop (EV_P_ struct ev_timer *w)	1377	ev_timer_stop (EV_P_ struct ev_timer *w)
1097	{	1378	{
1098	ev_clear_pending (EV_A_ (W)w);	1379	ev_clear_pending (EV_A_ (W)w);
1099	if (!ev_is_active (w))	1380	if (!ev_is_active (w))
1100	return;	1381	return;
1101		1382
		1383	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
		1384
1102	if (w->active < timercnt--)	1385	if (((W)w)->active < timercnt--)
1103	{	1386	{
1104	timers [w->active - 1] = timers [timercnt];	1387	timers [((W)w)->active - 1] = timers [timercnt];
1105	downheap ((WT *)timers, timercnt, w->active - 1);	1388	adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);
1106	}	1389	}
1107		1390
1108	w->at = w->repeat;	1391	((WT)w)->at -= mn_now;
1109		1392
1110	ev_stop (EV_A_ (W)w);	1393	ev_stop (EV_A_ (W)w);
1111	}	1394	}
1112		1395
1113	void	1396	void
…		…
1115	{	1398	{
1116	if (ev_is_active (w))	1399	if (ev_is_active (w))
1117	{	1400	{
1118	if (w->repeat)	1401	if (w->repeat)
1119	{	1402	{
1120	w->at = mn_now + w->repeat;	1403	((WT)w)->at = mn_now + w->repeat;
1121	downheap ((WT *)timers, timercnt, w->active - 1);	1404	adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);
1122	}	1405	}
1123	else	1406	else
1124	ev_timer_stop (EV_A_ w);	1407	ev_timer_stop (EV_A_ w);
1125	}	1408	}
1126	else if (w->repeat)	1409	else if (w->repeat)
		1410	{
		1411	w->at = w->repeat;
1127	ev_timer_start (EV_A_ w);	1412	ev_timer_start (EV_A_ w);
		1413	}
1128	}	1414	}
1129		1415
		1416	#if EV_PERIODICS
1130	void	1417	void
1131	ev_periodic_start (EV_P_ struct ev_periodic *w)	1418	ev_periodic_start (EV_P_ struct ev_periodic *w)
1132	{	1419	{
1133	if (ev_is_active (w))	1420	if (ev_is_active (w))
1134	return;	1421	return;
1135		1422
		1423	if (w->reschedule_cb)
		1424	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
		1425	else if (w->interval)
		1426	{
1136	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));	1427	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));
1137
1138	/* this formula differs from the one in periodic_reify because we do not always round up */	1428	/* this formula differs from the one in periodic_reify because we do not always round up */
1139	if (w->interval)
1140	w->at += ceil ((rt_now - w->at) / w->interval) * w->interval;	1429	((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval;
		1430	}
1141		1431
1142	ev_start (EV_A_ (W)w, ++periodiccnt);	1432	ev_start (EV_A_ (W)w, ++periodiccnt);
1143	array_needsize (periodics, periodicmax, periodiccnt, );	1433	array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2);
1144	periodics [periodiccnt - 1] = w;	1434	periodics [periodiccnt - 1] = w;
1145	upheap ((WT *)periodics, periodiccnt - 1);	1435	upheap ((WT *)periodics, periodiccnt - 1);
		1436
		1437	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
1146	}	1438	}
1147		1439
1148	void	1440	void
1149	ev_periodic_stop (EV_P_ struct ev_periodic *w)	1441	ev_periodic_stop (EV_P_ struct ev_periodic *w)
1150	{	1442	{
1151	ev_clear_pending (EV_A_ (W)w);	1443	ev_clear_pending (EV_A_ (W)w);
1152	if (!ev_is_active (w))	1444	if (!ev_is_active (w))
1153	return;	1445	return;
1154		1446
		1447	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
		1448
1155	if (w->active < periodiccnt--)	1449	if (((W)w)->active < periodiccnt--)
1156	{	1450	{
1157	periodics [w->active - 1] = periodics [periodiccnt];	1451	periodics [((W)w)->active - 1] = periodics [periodiccnt];
1158	downheap ((WT *)periodics, periodiccnt, w->active - 1);	1452	adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1);
1159	}	1453	}
1160		1454
1161	ev_stop (EV_A_ (W)w);	1455	ev_stop (EV_A_ (W)w);
1162	}	1456	}
1163		1457
1164	void	1458	void
		1459	ev_periodic_again (EV_P_ struct ev_periodic *w)
		1460	{
		1461	/* TODO: use adjustheap and recalculation */
		1462	ev_periodic_stop (EV_A_ w);
		1463	ev_periodic_start (EV_A_ w);
		1464	}
		1465	#endif
		1466
		1467	void
1165	ev_idle_start (EV_P_ struct ev_idle *w)	1468	ev_idle_start (EV_P_ struct ev_idle *w)
1166	{	1469	{
1167	if (ev_is_active (w))	1470	if (ev_is_active (w))
1168	return;	1471	return;
1169		1472
1170	ev_start (EV_A_ (W)w, ++idlecnt);	1473	ev_start (EV_A_ (W)w, ++idlecnt);
1171	array_needsize (idles, idlemax, idlecnt, );	1474	array_needsize (struct ev_idle *, idles, idlemax, idlecnt, EMPTY2);
1172	idles [idlecnt - 1] = w;	1475	idles [idlecnt - 1] = w;
1173	}	1476	}
1174		1477
1175	void	1478	void
1176	ev_idle_stop (EV_P_ struct ev_idle *w)	1479	ev_idle_stop (EV_P_ struct ev_idle *w)
1177	{	1480	{
1178	ev_clear_pending (EV_A_ (W)w);	1481	ev_clear_pending (EV_A_ (W)w);
		1482	if (!ev_is_active (w))
		1483	return;
		1484
		1485	idles [((W)w)->active - 1] = idles [--idlecnt];
		1486	ev_stop (EV_A_ (W)w);
		1487	}
		1488
		1489	void
		1490	ev_prepare_start (EV_P_ struct ev_prepare *w)
		1491	{
1179	if (ev_is_active (w))	1492	if (ev_is_active (w))
1180	return;	1493	return;
1181		1494
1182	idles [w->active - 1] = idles [--idlecnt];	1495	ev_start (EV_A_ (W)w, ++preparecnt);
		1496	array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);
		1497	prepares [preparecnt - 1] = w;
		1498	}
		1499
		1500	void
		1501	ev_prepare_stop (EV_P_ struct ev_prepare *w)
		1502	{
		1503	ev_clear_pending (EV_A_ (W)w);
		1504	if (!ev_is_active (w))
		1505	return;
		1506
		1507	prepares [((W)w)->active - 1] = prepares [--preparecnt];
1183	ev_stop (EV_A_ (W)w);	1508	ev_stop (EV_A_ (W)w);
1184	}	1509	}
1185		1510
1186	void	1511	void
1187	ev_prepare_start (EV_P_ struct ev_prepare *w)	1512	ev_check_start (EV_P_ struct ev_check *w)
1188	{	1513	{
1189	if (ev_is_active (w))	1514	if (ev_is_active (w))
1190	return;	1515	return;
1191		1516
1192	ev_start (EV_A_ (W)w, ++preparecnt);	1517	ev_start (EV_A_ (W)w, ++checkcnt);
1193	array_needsize (prepares, preparemax, preparecnt, );	1518	array_needsize (struct ev_check *, checks, checkmax, checkcnt, EMPTY2);
1194	prepares [preparecnt - 1] = w;	1519	checks [checkcnt - 1] = w;
1195	}	1520	}
1196		1521
1197	void	1522	void
1198	ev_prepare_stop (EV_P_ struct ev_prepare *w)	1523	ev_check_stop (EV_P_ struct ev_check *w)
1199	{	1524	{
1200	ev_clear_pending (EV_A_ (W)w);	1525	ev_clear_pending (EV_A_ (W)w);
1201	if (ev_is_active (w))	1526	if (!ev_is_active (w))
1202	return;	1527	return;
1203		1528
1204	prepares [w->active - 1] = prepares [--preparecnt];
1205	ev_stop (EV_A_ (W)w);
1206	}
1207
1208	void
1209	ev_check_start (EV_P_ struct ev_check *w)
1210	{
1211	if (ev_is_active (w))
1212	return;
1213
1214	ev_start (EV_A_ (W)w, ++checkcnt);
1215	array_needsize (checks, checkmax, checkcnt, );
1216	checks [checkcnt - 1] = w;
1217	}
1218
1219	void
1220	ev_check_stop (EV_P_ struct ev_check *w)
1221	{
1222	ev_clear_pending (EV_A_ (W)w);
1223	if (ev_is_active (w))
1224	return;
1225
1226	checks [w->active - 1] = checks [--checkcnt];	1529	checks [((W)w)->active - 1] = checks [--checkcnt];
1227	ev_stop (EV_A_ (W)w);	1530	ev_stop (EV_A_ (W)w);
1228	}	1531	}
1229		1532
1230	#ifndef SA_RESTART	1533	#ifndef SA_RESTART
1231	# define SA_RESTART 0	1534	# define SA_RESTART 0
…		…
1233		1536
1234	void	1537	void
1235	ev_signal_start (EV_P_ struct ev_signal *w)	1538	ev_signal_start (EV_P_ struct ev_signal *w)
1236	{	1539	{
1237	#if EV_MULTIPLICITY	1540	#if EV_MULTIPLICITY
1238	assert (("signal watchers are only supported in the default loop", loop == default_loop));	1541	assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr));
1239	#endif	1542	#endif
1240	if (ev_is_active (w))	1543	if (ev_is_active (w))
1241	return;	1544	return;
1242		1545
1243	assert (("ev_signal_start called with illegal signal number", w->signum > 0));	1546	assert (("ev_signal_start called with illegal signal number", w->signum > 0));
1244		1547
1245	ev_start (EV_A_ (W)w, 1);	1548	ev_start (EV_A_ (W)w, 1);
1246	array_needsize (signals, signalmax, w->signum, signals_init);	1549	array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);
1247	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);	1550	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);
1248		1551
1249	if (!w->next)	1552	if (!((WL)w)->next)
1250	{	1553	{
		1554	#if _WIN32
		1555	signal (w->signum, sighandler);
		1556	#else
1251	struct sigaction sa;	1557	struct sigaction sa;
1252	sa.sa_handler = sighandler;	1558	sa.sa_handler = sighandler;
1253	sigfillset (&sa.sa_mask);	1559	sigfillset (&sa.sa_mask);
1254	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */	1560	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */
1255	sigaction (w->signum, &sa, 0);	1561	sigaction (w->signum, &sa, 0);
		1562	#endif
1256	}	1563	}
1257	}	1564	}
1258		1565
1259	void	1566	void
1260	ev_signal_stop (EV_P_ struct ev_signal *w)	1567	ev_signal_stop (EV_P_ struct ev_signal *w)
…		…
1272		1579
1273	void	1580	void
1274	ev_child_start (EV_P_ struct ev_child *w)	1581	ev_child_start (EV_P_ struct ev_child *w)
1275	{	1582	{
1276	#if EV_MULTIPLICITY	1583	#if EV_MULTIPLICITY
1277	assert (("child watchers are only supported in the default loop", loop == default_loop));	1584	assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
1278	#endif	1585	#endif
1279	if (ev_is_active (w))	1586	if (ev_is_active (w))
1280	return;	1587	return;
1281		1588
1282	ev_start (EV_A_ (W)w, 1);	1589	ev_start (EV_A_ (W)w, 1);
…		…
1285		1592
1286	void	1593	void
1287	ev_child_stop (EV_P_ struct ev_child *w)	1594	ev_child_stop (EV_P_ struct ev_child *w)
1288	{	1595	{
1289	ev_clear_pending (EV_A_ (W)w);	1596	ev_clear_pending (EV_A_ (W)w);
1290	if (ev_is_active (w))	1597	if (!ev_is_active (w))
1291	return;	1598	return;
1292		1599
1293	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);	1600	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1294	ev_stop (EV_A_ (W)w);	1601	ev_stop (EV_A_ (W)w);
1295	}	1602	}
…		…
1310	void (cb)(int revents, void arg) = once->cb;	1617	void (cb)(int revents, void arg) = once->cb;
1311	void *arg = once->arg;	1618	void *arg = once->arg;
1312		1619
1313	ev_io_stop (EV_A_ &once->io);	1620	ev_io_stop (EV_A_ &once->io);
1314	ev_timer_stop (EV_A_ &once->to);	1621	ev_timer_stop (EV_A_ &once->to);
1315	free (once);	1622	ev_free (once);
1316		1623
1317	cb (revents, arg);	1624	cb (revents, arg);
1318	}	1625	}
1319		1626
1320	static void	1627	static void
…		…
1330	}	1637	}
1331		1638
1332	void	1639	void
1333	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg)	1640	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg)
1334	{	1641	{
1335	struct ev_once *once = malloc (sizeof (struct ev_once));	1642	struct ev_once once = (struct ev_once )ev_malloc (sizeof (struct ev_once));
1336		1643
1337	if (!once)	1644	if (!once)
1338	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);	1645	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);
1339	else	1646	else
1340	{	1647	{
1341	once->cb = cb;	1648	once->cb = cb;
1342	once->arg = arg;	1649	once->arg = arg;
1343		1650
1344	ev_watcher_init (&once->io, once_cb_io);	1651	ev_init (&once->io, once_cb_io);
1345	if (fd >= 0)	1652	if (fd >= 0)
1346	{	1653	{
1347	ev_io_set (&once->io, fd, events);	1654	ev_io_set (&once->io, fd, events);
1348	ev_io_start (EV_A_ &once->io);	1655	ev_io_start (EV_A_ &once->io);
1349	}	1656	}
1350		1657
1351	ev_watcher_init (&once->to, once_cb_to);	1658	ev_init (&once->to, once_cb_to);
1352	if (timeout >= 0.)	1659	if (timeout >= 0.)
1353	{	1660	{
1354	ev_timer_set (&once->to, timeout, 0.);	1661	ev_timer_set (&once->to, timeout, 0.);
1355	ev_timer_start (EV_A_ &once->to);	1662	ev_timer_start (EV_A_ &once->to);
1356	}	1663	}
1357	}	1664	}
1358	}	1665	}
1359		1666
		1667	#ifdef __cplusplus
		1668	}
		1669	#endif
		1670

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Comparing libev/ev.c (file contents): Revision 1.59 by root, Sun Nov 4 18:15:16 2007 UTC vs. Revision 1.122 by root, Sat Nov 17 02:00:48 2007 UTC

Diff Legend

Comparing libev/ev.c (file contents):
Revision 1.59 by root, Sun Nov 4 18:15:16 2007 UTC vs.
Revision 1.122 by root, Sat Nov 17 02:00:48 2007 UTC