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

Comparing libev/ev.c (file contents):
Revision 1.56 by root, Sun Nov 4 15:58:49 2007 UTC vs.
Revision 1.118 by root, Fri Nov 16 01:33:54 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_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 1
57	#endif	100	#endif
58		101
		102	#ifndef EV_USE_REALTIME
		103	# define EV_USE_REALTIME 1
		104	#endif
		105
59	#ifndef EV_USE_SELECT	106	#ifndef EV_USE_SELECT
60	# define EV_USE_SELECT 1	107	# define EV_USE_SELECT 1
		108	# define EV_SELECT_USE_FD_SET 1
61	#endif	109	#endif
62		110
63	#ifndef EV_USEV_POLL	111	#ifndef EV_USE_POLL
64	# define EV_USEV_POLL 0 /* poll is usually slower than select, and not as well tested */	112	# ifdef _WIN32
		113	# define EV_USE_POLL 0
		114	# else
		115	# define EV_USE_POLL 1
		116	# endif
65	#endif	117	#endif
66		118
67	#ifndef EV_USE_EPOLL	119	#ifndef EV_USE_EPOLL
68	# define EV_USE_EPOLL 0	120	# define EV_USE_EPOLL 0
69	#endif	121	#endif
70		122
71	#ifndef EV_USE_KQUEUE	123	#ifndef EV_USE_KQUEUE
72	# define EV_USE_KQUEUE 0	124	# define EV_USE_KQUEUE 0
73	#endif	125	#endif
74		126
75	#ifndef EV_USE_REALTIME	127	#ifndef EV_USE_PORT
76	# define EV_USE_REALTIME 1	128	# define EV_USE_PORT 0
77	#endif	129	#endif
78		130
79	/**/	131	/**/
		132
		133	/* darwin simply cannot be helped */
		134	#ifdef __APPLE__
		135	# undef EV_USE_POLL
		136	# undef EV_USE_KQUEUE
		137	#endif
80		138
81	#ifndef CLOCK_MONOTONIC	139	#ifndef CLOCK_MONOTONIC
82	# undef EV_USE_MONOTONIC	140	# undef EV_USE_MONOTONIC
83	# define EV_USE_MONOTONIC 0	141	# define EV_USE_MONOTONIC 0
84	#endif	142	#endif
85		143
86	#ifndef CLOCK_REALTIME	144	#ifndef CLOCK_REALTIME
87	# undef EV_USE_REALTIME	145	# undef EV_USE_REALTIME
88	# define EV_USE_REALTIME 0	146	# define EV_USE_REALTIME 0
		147	#endif
		148
		149	#if EV_SELECT_IS_WINSOCKET
		150	# include <winsock.h>
89	#endif	151	#endif
90		152
91	/**/	153	/**/
92		154
93	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */	155	#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) */	156	#define MAX_BLOCKTIME 59.731 /* 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 */	157	#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 */	158	/#define CLEANUP_INTERVAL 300. / how often to try to free memory and re-check fds */
97		159
		160	#ifdef EV_H
		161	# include EV_H
		162	#else
98	#include "ev.h"	163	# include "ev.h"
		164	#endif
99		165
100	#if __GNUC__ >= 3	166	#if __GNUC__ >= 3
101	# define expect(expr,value) __builtin_expect ((expr),(value))	167	# define expect(expr,value) __builtin_expect ((expr),(value))
102	# define inline inline	168	# define inline inline
103	#else	169	#else
…		…
109	#define expect_true(expr) expect ((expr) != 0, 1)	175	#define expect_true(expr) expect ((expr) != 0, 1)
110		176
111	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	177	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
112	#define ABSPRI(w) ((w)->priority - EV_MINPRI)	178	#define ABSPRI(w) ((w)->priority - EV_MINPRI)
113		179
		180	#define EMPTY0 /* required for microsofts broken pseudo-c compiler */
		181	#define EMPTY2(a,b) /* used to suppress some warnings */
		182
114	typedef struct ev_watcher *W;	183	typedef struct ev_watcher *W;
115	typedef struct ev_watcher_list *WL;	184	typedef struct ev_watcher_list *WL;
116	typedef struct ev_watcher_time *WT;	185	typedef struct ev_watcher_time *WT;
117		186
118	static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */	187	static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
119		188
		189	#ifdef _WIN32
		190	# include "ev_win32.c"
		191	#endif
		192
120	/*****************************************************************************/	193	/*****************************************************************************/
121		194
		195	static void (syserr_cb)(const char msg);
		196
		197	void ev_set_syserr_cb (void (cb)(const char msg))
		198	{
		199	syserr_cb = cb;
		200	}
		201
		202	static void
		203	syserr (const char *msg)
		204	{
		205	if (!msg)
		206	msg = "(libev) system error";
		207
		208	if (syserr_cb)
		209	syserr_cb (msg);
		210	else
		211	{
		212	perror (msg);
		213	abort ();
		214	}
		215	}
		216
		217	static void (alloc)(void *ptr, long size);
		218
		219	void ev_set_allocator (void (cb)(void *ptr, long size))
		220	{
		221	alloc = cb;
		222	}
		223
		224	static void *
		225	ev_realloc (void *ptr, long size)
		226	{
		227	ptr = alloc ? alloc (ptr, size) : realloc (ptr, size);
		228
		229	if (!ptr && size)
		230	{
		231	fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size);
		232	abort ();
		233	}
		234
		235	return ptr;
		236	}
		237
		238	#define ev_malloc(size) ev_realloc (0, (size))
		239	#define ev_free(ptr) ev_realloc ((ptr), 0)
		240
		241	/*****************************************************************************/
		242
122	typedef struct	243	typedef struct
123	{	244	{
124	struct ev_watcher_list *head;	245	WL head;
125	unsigned char events;	246	unsigned char events;
126	unsigned char reify;	247	unsigned char reify;
		248	#if EV_SELECT_IS_WINSOCKET
		249	SOCKET handle;
		250	#endif
127	} ANFD;	251	} ANFD;
128		252
129	typedef struct	253	typedef struct
130	{	254	{
131	W w;	255	W w;
132	int events;	256	int events;
133	} ANPENDING;	257	} ANPENDING;
134		258
135	#if EV_MULTIPLICITY	259	#if EV_MULTIPLICITY
136		260
137	struct ev_loop	261	struct ev_loop
138	{	262	{
		263	ev_tstamp ev_rt_now;
		264	#define ev_rt_now ((loop)->ev_rt_now)
139	# define VAR(name,decl) decl;	265	#define VAR(name,decl) decl;
140	# include "ev_vars.h"	266	#include "ev_vars.h"
141	};
142	# undef VAR	267	#undef VAR
		268	};
143	# include "ev_wrap.h"	269	#include "ev_wrap.h"
		270
		271	static struct ev_loop default_loop_struct;
		272	struct ev_loop *ev_default_loop_ptr;
144		273
145	#else	274	#else
146		275
		276	ev_tstamp ev_rt_now;
147	# define VAR(name,decl) static decl;	277	#define VAR(name,decl) static decl;
148	# include "ev_vars.h"	278	#include "ev_vars.h"
149	# undef VAR	279	#undef VAR
		280
		281	static int ev_default_loop_ptr;
150		282
151	#endif	283	#endif
152		284
153	/*****************************************************************************/	285	/*****************************************************************************/
154		286
155	inline ev_tstamp	287	ev_tstamp
156	ev_time (void)	288	ev_time (void)
157	{	289	{
158	#if EV_USE_REALTIME	290	#if EV_USE_REALTIME
159	struct timespec ts;	291	struct timespec ts;
160	clock_gettime (CLOCK_REALTIME, &ts);	292	clock_gettime (CLOCK_REALTIME, &ts);
…		…
179	#endif	311	#endif
180		312
181	return ev_time ();	313	return ev_time ();
182	}	314	}
183		315
		316	#if EV_MULTIPLICITY
184	ev_tstamp	317	ev_tstamp
185	ev_now (EV_P)	318	ev_now (EV_P)
186	{	319	{
187	return rt_now;	320	return ev_rt_now;
188	}	321	}
		322	#endif
189		323
190	#define array_roundsize(base,n) ((n) \| 4 & ~3)	324	#define array_roundsize(type,n) (((n) \| 4) & ~3)
191		325
192	#define array_needsize(base,cur,cnt,init) \	326	#define array_needsize(type,base,cur,cnt,init) \
193	if (expect_false ((cnt) > cur)) \	327	if (expect_false ((cnt) > cur)) \
194	{ \	328	{ \
195	int newcnt = cur; \	329	int newcnt = cur; \
196	do \	330	do \
197	{ \	331	{ \
198	newcnt = array_roundsize (base, newcnt << 1); \	332	newcnt = array_roundsize (type, newcnt << 1); \
199	} \	333	} \
200	while ((cnt) > newcnt); \	334	while ((cnt) > newcnt); \
201	\	335	\
202	base = realloc (base, sizeof (base) (newcnt)); \	336	base = (type )ev_realloc (base, sizeof (type) (newcnt));\
203	init (base + cur, newcnt - cur); \	337	init (base + cur, newcnt - cur); \
204	cur = newcnt; \	338	cur = newcnt; \
205	}	339	}
		340
		341	#define array_slim(type,stem) \
		342	if (stem ## max < array_roundsize (stem ## cnt >> 2)) \
		343	{ \
		344	stem ## max = array_roundsize (stem ## cnt >> 1); \
		345	base = (type )ev_realloc (base, sizeof (type) (stem ## max));\
		346	fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/D/\
		347	}
		348
		349	#define array_free(stem, idx) \
		350	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0;
206		351
207	/*****************************************************************************/	352	/*****************************************************************************/
208		353
209	static void	354	static void
210	anfds_init (ANFD *base, int count)	355	anfds_init (ANFD *base, int count)
…		…
217		362
218	++base;	363	++base;
219	}	364	}
220	}	365	}
221		366
222	static void	367	void
223	event (EV_P_ W w, int events)	368	ev_feed_event (EV_P_ void *w, int revents)
224	{	369	{
		370	W w_ = (W)w;
		371
225	if (w->pending)	372	if (w_->pending)
226	{	373	{
227	pendings [ABSPRI (w)][w->pending - 1].events \|= events;	374	pendings [ABSPRI (w_)][w_->pending - 1].events \|= revents;
228	return;	375	return;
229	}	376	}
230		377
231	w->pending = ++pendingcnt [ABSPRI (w)];	378	w_->pending = ++pendingcnt [ABSPRI (w_)];
232	array_needsize (pendings [ABSPRI (w)], pendingmax [ABSPRI (w)], pendingcnt [ABSPRI (w)], );	379	array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2);
233	pendings [ABSPRI (w)][w->pending - 1].w = w;	380	pendings [ABSPRI (w_)][w_->pending - 1].w = w_;
234	pendings [ABSPRI (w)][w->pending - 1].events = events;	381	pendings [ABSPRI (w_)][w_->pending - 1].events = revents;
235	}	382	}
236		383
237	static void	384	static void
238	queue_events (EV_P_ W *events, int eventcnt, int type)	385	queue_events (EV_P_ W *events, int eventcnt, int type)
239	{	386	{
240	int i;	387	int i;
241		388
242	for (i = 0; i < eventcnt; ++i)	389	for (i = 0; i < eventcnt; ++i)
243	event (EV_A_ events [i], type);	390	ev_feed_event (EV_A_ events [i], type);
244	}	391	}
245		392
246	static void	393	inline void
247	fd_event (EV_P_ int fd, int events)	394	fd_event (EV_P_ int fd, int revents)
248	{	395	{
249	ANFD *anfd = anfds + fd;	396	ANFD *anfd = anfds + fd;
250	struct ev_io *w;	397	struct ev_io *w;
251		398
252	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)	399	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)
253	{	400	{
254	int ev = w->events & events;	401	int ev = w->events & revents;
255		402
256	if (ev)	403	if (ev)
257	event (EV_A_ (W)w, ev);	404	ev_feed_event (EV_A_ (W)w, ev);
258	}	405	}
		406	}
		407
		408	void
		409	ev_feed_fd_event (EV_P_ int fd, int revents)
		410	{
		411	fd_event (EV_A_ fd, revents);
259	}	412	}
260		413
261	/*****************************************************************************/	414	/*****************************************************************************/
262		415
263	static void	416	static void
…		…
274	int events = 0;	427	int events = 0;
275		428
276	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)	429	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)
277	events \|= w->events;	430	events \|= w->events;
278		431
		432	#if EV_SELECT_IS_WINSOCKET
		433	if (events)
		434	{
		435	unsigned long argp;
		436	anfd->handle = _get_osfhandle (fd);
		437	assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0));
		438	}
		439	#endif
		440
279	anfd->reify = 0;	441	anfd->reify = 0;
280		442
281	if (anfd->events != events)
282	{
283	method_modify (EV_A_ fd, anfd->events, events);	443	method_modify (EV_A_ fd, anfd->events, events);
284	anfd->events = events;	444	anfd->events = events;
285	}
286	}	445	}
287		446
288	fdchangecnt = 0;	447	fdchangecnt = 0;
289	}	448	}
290		449
291	static void	450	static void
292	fd_change (EV_P_ int fd)	451	fd_change (EV_P_ int fd)
293	{	452	{
294	if (anfds [fd].reify \|\| fdchangecnt < 0)	453	if (anfds [fd].reify)
295	return;	454	return;
296		455
297	anfds [fd].reify = 1;	456	anfds [fd].reify = 1;
298		457
299	++fdchangecnt;	458	++fdchangecnt;
300	array_needsize (fdchanges, fdchangemax, fdchangecnt, );	459	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);
301	fdchanges [fdchangecnt - 1] = fd;	460	fdchanges [fdchangecnt - 1] = fd;
302	}	461	}
303		462
304	static void	463	static void
305	fd_kill (EV_P_ int fd)	464	fd_kill (EV_P_ int fd)
…		…
307	struct ev_io *w;	466	struct ev_io *w;
308		467
309	while ((w = (struct ev_io *)anfds [fd].head))	468	while ((w = (struct ev_io *)anfds [fd].head))
310	{	469	{
311	ev_io_stop (EV_A_ w);	470	ev_io_stop (EV_A_ w);
312	event (EV_A_ (W)w, EV_ERROR \| EV_READ \| EV_WRITE);	471	ev_feed_event (EV_A_ (W)w, EV_ERROR \| EV_READ \| EV_WRITE);
313	}	472	}
		473	}
		474
		475	static int
		476	fd_valid (int fd)
		477	{
		478	#ifdef _WIN32
		479	return _get_osfhandle (fd) != -1;
		480	#else
		481	return fcntl (fd, F_GETFD) != -1;
		482	#endif
314	}	483	}
315		484
316	/* called on EBADF to verify fds */	485	/* called on EBADF to verify fds */
317	static void	486	static void
318	fd_ebadf (EV_P)	487	fd_ebadf (EV_P)
319	{	488	{
320	int fd;	489	int fd;
321		490
322	for (fd = 0; fd < anfdmax; ++fd)	491	for (fd = 0; fd < anfdmax; ++fd)
323	if (anfds [fd].events)	492	if (anfds [fd].events)
324	if (fcntl (fd, F_GETFD) == -1 && errno == EBADF)	493	if (!fd_valid (fd) == -1 && errno == EBADF)
325	fd_kill (EV_A_ fd);	494	fd_kill (EV_A_ fd);
326	}	495	}
327		496
328	/* called on ENOMEM in select/poll to kill some fds and retry */	497	/* called on ENOMEM in select/poll to kill some fds and retry */
329	static void	498	static void
330	fd_enomem (EV_P)	499	fd_enomem (EV_P)
331	{	500	{
332	int fd = anfdmax;	501	int fd;
333		502
334	while (fd--)	503	for (fd = anfdmax; fd--; )
335	if (anfds [fd].events)	504	if (anfds [fd].events)
336	{	505	{
337	close (fd);
338	fd_kill (EV_A_ fd);	506	fd_kill (EV_A_ fd);
339	return;	507	return;
340	}	508	}
341	}	509	}
342		510
343	/* susually called after fork if method needs to re-arm all fds from scratch */	511	/* usually called after fork if method needs to re-arm all fds from scratch */
344	static void	512	static void
345	fd_rearm_all (EV_P)	513	fd_rearm_all (EV_P)
346	{	514	{
347	int fd;	515	int fd;
348		516
349	/* this should be highly optimised to not do anything but set a flag */	517	/* this should be highly optimised to not do anything but set a flag */
350	for (fd = 0; fd < anfdmax; ++fd)	518	for (fd = 0; fd < anfdmax; ++fd)
351	if (anfds [fd].events)	519	if (anfds [fd].events)
352	{	520	{
353	anfds [fd].events = 0;	521	anfds [fd].events = 0;
354	fd_change (fd);	522	fd_change (EV_A_ fd);
355	}	523	}
356	}	524	}
357		525
358	/*****************************************************************************/	526	/*****************************************************************************/
359		527
…		…
363	WT w = heap [k];	531	WT w = heap [k];
364		532
365	while (k && heap [k >> 1]->at > w->at)	533	while (k && heap [k >> 1]->at > w->at)
366	{	534	{
367	heap [k] = heap [k >> 1];	535	heap [k] = heap [k >> 1];
368	heap [k]->active = k + 1;	536	((W)heap [k])->active = k + 1;
369	k >>= 1;	537	k >>= 1;
370	}	538	}
371		539
372	heap [k] = w;	540	heap [k] = w;
373	heap [k]->active = k + 1;	541	((W)heap [k])->active = k + 1;
374		542
375	}	543	}
376		544
377	static void	545	static void
378	downheap (WT *heap, int N, int k)	546	downheap (WT *heap, int N, int k)
…		…
388		556
389	if (w->at <= heap [j]->at)	557	if (w->at <= heap [j]->at)
390	break;	558	break;
391		559
392	heap [k] = heap [j];	560	heap [k] = heap [j];
393	heap [k]->active = k + 1;	561	((W)heap [k])->active = k + 1;
394	k = j;	562	k = j;
395	}	563	}
396		564
397	heap [k] = w;	565	heap [k] = w;
398	heap [k]->active = k + 1;	566	((W)heap [k])->active = k + 1;
		567	}
		568
		569	inline void
		570	adjustheap (WT *heap, int N, int k)
		571	{
		572	upheap (heap, k);
		573	downheap (heap, N, k);
399	}	574	}
400		575
401	/*****************************************************************************/	576	/*****************************************************************************/
402		577
403	typedef struct	578	typedef struct
404	{	579	{
405	struct ev_watcher_list *head;	580	WL head;
406	sig_atomic_t volatile gotsig;	581	sig_atomic_t volatile gotsig;
407	} ANSIG;	582	} ANSIG;
408		583
409	static ANSIG *signals;	584	static ANSIG *signals;
410	static int signalmax;	585	static int signalmax;
411		586
412	static int sigpipe [2];	587	static int sigpipe [2];
413	static sig_atomic_t volatile gotsig;	588	static sig_atomic_t volatile gotsig;
		589	static struct ev_io sigev;
414		590
415	static void	591	static void
416	signals_init (ANSIG *base, int count)	592	signals_init (ANSIG *base, int count)
417	{	593	{
418	while (count--)	594	while (count--)
…		…
425	}	601	}
426		602
427	static void	603	static void
428	sighandler (int signum)	604	sighandler (int signum)
429	{	605	{
		606	#if _WIN32
		607	signal (signum, sighandler);
		608	#endif
		609
430	signals [signum - 1].gotsig = 1;	610	signals [signum - 1].gotsig = 1;
431		611
432	if (!gotsig)	612	if (!gotsig)
433	{	613	{
434	int old_errno = errno;	614	int old_errno = errno;
…		…
436	write (sigpipe [1], &signum, 1);	616	write (sigpipe [1], &signum, 1);
437	errno = old_errno;	617	errno = old_errno;
438	}	618	}
439	}	619	}
440		620
		621	void
		622	ev_feed_signal_event (EV_P_ int signum)
		623	{
		624	WL w;
		625
		626	#if EV_MULTIPLICITY
		627	assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr));
		628	#endif
		629
		630	--signum;
		631
		632	if (signum < 0 \|\| signum >= signalmax)
		633	return;
		634
		635	signals [signum].gotsig = 0;
		636
		637	for (w = signals [signum].head; w; w = w->next)
		638	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
		639	}
		640
441	static void	641	static void
442	sigcb (EV_P_ struct ev_io *iow, int revents)	642	sigcb (EV_P_ struct ev_io *iow, int revents)
443	{	643	{
444	struct ev_watcher_list *w;
445	int signum;	644	int signum;
446		645
447	read (sigpipe [0], &revents, 1);	646	read (sigpipe [0], &revents, 1);
448	gotsig = 0;	647	gotsig = 0;
449		648
450	for (signum = signalmax; signum--; )	649	for (signum = signalmax; signum--; )
451	if (signals [signum].gotsig)	650	if (signals [signum].gotsig)
452	{	651	ev_feed_signal_event (EV_A_ signum + 1);
453	signals [signum].gotsig = 0;	652	}
454		653
455	for (w = signals [signum].head; w; w = w->next)	654	inline void
456	event (EV_A_ (W)w, EV_SIGNAL);	655	fd_intern (int fd)
457	}	656	{
		657	#ifdef _WIN32
		658	int arg = 1;
		659	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);
		660	#else
		661	fcntl (fd, F_SETFD, FD_CLOEXEC);
		662	fcntl (fd, F_SETFL, O_NONBLOCK);
		663	#endif
458	}	664	}
459		665
460	static void	666	static void
461	siginit (EV_P)	667	siginit (EV_P)
462	{	668	{
463	#ifndef WIN32	669	fd_intern (sigpipe [0]);
464	fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC);	670	fd_intern (sigpipe [1]);
465	fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC);
466
467	/* rather than sort out wether we really need nb, set it */
468	fcntl (sigpipe [0], F_SETFL, O_NONBLOCK);
469	fcntl (sigpipe [1], F_SETFL, O_NONBLOCK);
470	#endif
471		671
472	ev_io_set (&sigev, sigpipe [0], EV_READ);	672	ev_io_set (&sigev, sigpipe [0], EV_READ);
473	ev_io_start (EV_A_ &sigev);	673	ev_io_start (EV_A_ &sigev);
474	ev_unref (EV_A); /* child watcher should not keep loop alive */	674	ev_unref (EV_A); /* child watcher should not keep loop alive */
475	}	675	}
476		676
477	/*****************************************************************************/	677	/*****************************************************************************/
478		678
		679	static struct ev_child *childs [PID_HASHSIZE];
		680
479	#ifndef WIN32	681	#ifndef _WIN32
		682
		683	static struct ev_signal childev;
480		684
481	#ifndef WCONTINUED	685	#ifndef WCONTINUED
482	# define WCONTINUED 0	686	# define WCONTINUED 0
483	#endif	687	#endif
484		688
…		…
488	struct ev_child *w;	692	struct ev_child *w;
489		693
490	for (w = (struct ev_child )childs [chain & (PID_HASHSIZE - 1)]; w; w = (struct ev_child )((WL)w)->next)	694	for (w = (struct ev_child )childs [chain & (PID_HASHSIZE - 1)]; w; w = (struct ev_child )((WL)w)->next)
491	if (w->pid == pid \|\| !w->pid)	695	if (w->pid == pid \|\| !w->pid)
492	{	696	{
493	w->priority = sw->priority; /* need to do it now */	697	ev_priority (w) = ev_priority (sw); /* need to do it now */
494	w->rpid = pid;	698	w->rpid = pid;
495	w->rstatus = status;	699	w->rstatus = status;
496	event (EV_A_ (W)w, EV_CHILD);	700	ev_feed_event (EV_A_ (W)w, EV_CHILD);
497	}	701	}
498	}	702	}
499		703
500	static void	704	static void
501	childcb (EV_P_ struct ev_signal *sw, int revents)	705	childcb (EV_P_ struct ev_signal *sw, int revents)
…		…
503	int pid, status;	707	int pid, status;
504		708
505	if (0 < (pid = waitpid (-1, &status, WNOHANG \| WUNTRACED \| WCONTINUED)))	709	if (0 < (pid = waitpid (-1, &status, WNOHANG \| WUNTRACED \| WCONTINUED)))
506	{	710	{
507	/* make sure we are called again until all childs have been reaped */	711	/* make sure we are called again until all childs have been reaped */
508	event (EV_A_ (W)sw, EV_SIGNAL);	712	ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);
509		713
510	child_reap (EV_A_ sw, pid, pid, status);	714	child_reap (EV_A_ sw, pid, pid, status);
511	child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */	715	child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */
512	}	716	}
513	}	717	}
514		718
515	#endif	719	#endif
516		720
517	/*****************************************************************************/	721	/*****************************************************************************/
518		722
		723	#if EV_USE_PORT
		724	# include "ev_port.c"
		725	#endif
519	#if EV_USE_KQUEUE	726	#if EV_USE_KQUEUE
520	# include "ev_kqueue.c"	727	# include "ev_kqueue.c"
521	#endif	728	#endif
522	#if EV_USE_EPOLL	729	#if EV_USE_EPOLL
523	# include "ev_epoll.c"	730	# include "ev_epoll.c"
524	#endif	731	#endif
525	#if EV_USEV_POLL	732	#if EV_USE_POLL
526	# include "ev_poll.c"	733	# include "ev_poll.c"
527	#endif	734	#endif
528	#if EV_USE_SELECT	735	#if EV_USE_SELECT
529	# include "ev_select.c"	736	# include "ev_select.c"
530	#endif	737	#endif
…		…
543		750
544	/* return true if we are running with elevated privileges and should ignore env variables */	751	/* return true if we are running with elevated privileges and should ignore env variables */
545	static int	752	static int
546	enable_secure (void)	753	enable_secure (void)
547	{	754	{
548	#ifdef WIN32	755	#ifdef _WIN32
549	return 0;	756	return 0;
550	#else	757	#else
551	return getuid () != geteuid ()	758	return getuid () != geteuid ()
552	\|\| getgid () != getegid ();	759	\|\| getgid () != getegid ();
553	#endif	760	#endif
554	}	761	}
555		762
556	int	763	unsigned int
557	ev_method (EV_P)	764	ev_method (EV_P)
558	{	765	{
559	return method;	766	return method;
560	}	767	}
561		768
562	static void	769	static void
563	loop_init (EV_P_ int methods)	770	loop_init (EV_P_ unsigned int flags)
564	{	771	{
565	if (!method)	772	if (!method)
566	{	773	{
567	#if EV_USE_MONOTONIC	774	#if EV_USE_MONOTONIC
568	{	775	{
…		…
570	if (!clock_gettime (CLOCK_MONOTONIC, &ts))	777	if (!clock_gettime (CLOCK_MONOTONIC, &ts))
571	have_monotonic = 1;	778	have_monotonic = 1;
572	}	779	}
573	#endif	780	#endif
574		781
575	rt_now = ev_time ();	782	ev_rt_now = ev_time ();
576	mn_now = get_clock ();	783	mn_now = get_clock ();
577	now_floor = mn_now;	784	now_floor = mn_now;
578	rtmn_diff = rt_now - mn_now;	785	rtmn_diff = ev_rt_now - mn_now;
579		786
580	if (methods == EVMETHOD_AUTO)	787	if (!(flags & EVFLAG_NOENV) && !enable_secure () && getenv ("LIBEV_FLAGS"))
581	if (!enable_secure () && getenv ("LIBEV_METHODS"))
582	methods = atoi (getenv ("LIBEV_METHODS"));	788	flags = atoi (getenv ("LIBEV_FLAGS"));
583	else	789
584	methods = EVMETHOD_ANY;	790	if (!(flags & 0x0000ffff))
		791	flags \|= 0x0000ffff;
585		792
586	method = 0;	793	method = 0;
		794	#if EV_USE_PORT
		795	if (!method && (flags & EVMETHOD_PORT )) method = port_init (EV_A_ flags);
		796	#endif
587	#if EV_USE_KQUEUE	797	#if EV_USE_KQUEUE
588	if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods);	798	if (!method && (flags & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ flags);
589	#endif	799	#endif
590	#if EV_USE_EPOLL	800	#if EV_USE_EPOLL
591	if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods);	801	if (!method && (flags & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ flags);
592	#endif	802	#endif
593	#if EV_USEV_POLL	803	#if EV_USE_POLL
594	if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods);	804	if (!method && (flags & EVMETHOD_POLL )) method = poll_init (EV_A_ flags);
595	#endif	805	#endif
596	#if EV_USE_SELECT	806	#if EV_USE_SELECT
597	if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods);	807	if (!method && (flags & EVMETHOD_SELECT)) method = select_init (EV_A_ flags);
598	#endif	808	#endif
		809
		810	ev_init (&sigev, sigcb);
		811	ev_set_priority (&sigev, EV_MAXPRI);
599	}	812	}
600	}	813	}
601		814
602	void	815	void
603	loop_destroy (EV_P)	816	loop_destroy (EV_P)
604	{	817	{
		818	int i;
		819
		820	#if EV_USE_PORT
		821	if (method == EVMETHOD_PORT ) port_destroy (EV_A);
		822	#endif
605	#if EV_USE_KQUEUE	823	#if EV_USE_KQUEUE
606	if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A);	824	if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A);
607	#endif	825	#endif
608	#if EV_USE_EPOLL	826	#if EV_USE_EPOLL
609	if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A);	827	if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A);
610	#endif	828	#endif
611	#if EV_USEV_POLL	829	#if EV_USE_POLL
612	if (method == EVMETHOD_POLL ) poll_destroy (EV_A);	830	if (method == EVMETHOD_POLL ) poll_destroy (EV_A);
613	#endif	831	#endif
614	#if EV_USE_SELECT	832	#if EV_USE_SELECT
615	if (method == EVMETHOD_SELECT) select_destroy (EV_A);	833	if (method == EVMETHOD_SELECT) select_destroy (EV_A);
616	#endif	834	#endif
617		835
		836	for (i = NUMPRI; i--; )
		837	array_free (pending, [i]);
		838
		839	/* have to use the microsoft-never-gets-it-right macro */
		840	array_free (fdchange, EMPTY0);
		841	array_free (timer, EMPTY0);
		842	#if EV_PERIODICS
		843	array_free (periodic, EMPTY0);
		844	#endif
		845	array_free (idle, EMPTY0);
		846	array_free (prepare, EMPTY0);
		847	array_free (check, EMPTY0);
		848
618	method = 0;	849	method = 0;
619	/TODO/
620	}	850	}
621		851
622	void	852	static void
623	loop_fork (EV_P)	853	loop_fork (EV_P)
624	{	854	{
625	/TODO/	855	#if EV_USE_PORT
		856	if (method == EVMETHOD_PORT ) port_fork (EV_A);
		857	#endif
		858	#if EV_USE_KQUEUE
		859	if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A);
		860	#endif
626	#if EV_USE_EPOLL	861	#if EV_USE_EPOLL
627	if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A);	862	if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A);
628	#endif	863	#endif
629	#if EV_USE_KQUEUE	864
630	if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A);	865	if (ev_is_active (&sigev))
631	#endif	866	{
		867	/* default loop */
		868
		869	ev_ref (EV_A);
		870	ev_io_stop (EV_A_ &sigev);
		871	close (sigpipe [0]);
		872	close (sigpipe [1]);
		873
		874	while (pipe (sigpipe))
		875	syserr ("(libev) error creating pipe");
		876
		877	siginit (EV_A);
		878	}
		879
		880	postfork = 0;
632	}	881	}
633		882
634	#if EV_MULTIPLICITY	883	#if EV_MULTIPLICITY
635	struct ev_loop *	884	struct ev_loop *
636	ev_loop_new (int methods)	885	ev_loop_new (unsigned int flags)
637	{	886	{
638	struct ev_loop loop = (struct ev_loop )calloc (1, sizeof (struct ev_loop));	887	struct ev_loop loop = (struct ev_loop )ev_malloc (sizeof (struct ev_loop));
639		888
		889	memset (loop, 0, sizeof (struct ev_loop));
		890
640	loop_init (EV_A_ methods);	891	loop_init (EV_A_ flags);
641		892
642	if (ev_methods (EV_A))	893	if (ev_method (EV_A))
643	return loop;	894	return loop;
644		895
645	return 0;	896	return 0;
646	}	897	}
647		898
648	void	899	void
649	ev_loop_destroy (EV_P)	900	ev_loop_destroy (EV_P)
650	{	901	{
651	loop_destroy (EV_A);	902	loop_destroy (EV_A);
652	free (loop);	903	ev_free (loop);
653	}	904	}
654		905
655	void	906	void
656	ev_loop_fork (EV_P)	907	ev_loop_fork (EV_P)
657	{	908	{
658	loop_fork (EV_A);	909	postfork = 1;
659	}	910	}
660		911
661	#endif	912	#endif
662		913
663	#if EV_MULTIPLICITY	914	#if EV_MULTIPLICITY
664	struct ev_loop default_loop_struct;
665	static struct ev_loop *default_loop;
666
667	struct ev_loop *	915	struct ev_loop *
		916	ev_default_loop_ (unsigned int flags)
668	#else	917	#else
669	static int default_loop;
670
671	int	918	int
		919	ev_default_loop (unsigned int flags)
672	#endif	920	#endif
673	ev_default_loop (int methods)
674	{	921	{
675	if (sigpipe [0] == sigpipe [1])	922	if (sigpipe [0] == sigpipe [1])
676	if (pipe (sigpipe))	923	if (pipe (sigpipe))
677	return 0;	924	return 0;
678		925
679	if (!default_loop)	926	if (!ev_default_loop_ptr)
680	{	927	{
681	#if EV_MULTIPLICITY	928	#if EV_MULTIPLICITY
682	struct ev_loop *loop = default_loop = &default_loop_struct;	929	struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct;
683	#else	930	#else
684	default_loop = 1;	931	ev_default_loop_ptr = 1;
685	#endif	932	#endif
686		933
687	loop_init (EV_A_ methods);	934	loop_init (EV_A_ flags);
688		935
689	if (ev_method (EV_A))	936	if (ev_method (EV_A))
690	{	937	{
691	ev_watcher_init (&sigev, sigcb);
692	ev_set_priority (&sigev, EV_MAXPRI);
693	siginit (EV_A);	938	siginit (EV_A);
694		939
695	#ifndef WIN32	940	#ifndef _WIN32
696	ev_signal_init (&childev, childcb, SIGCHLD);	941	ev_signal_init (&childev, childcb, SIGCHLD);
697	ev_set_priority (&childev, EV_MAXPRI);	942	ev_set_priority (&childev, EV_MAXPRI);
698	ev_signal_start (EV_A_ &childev);	943	ev_signal_start (EV_A_ &childev);
699	ev_unref (EV_A); /* child watcher should not keep loop alive */	944	ev_unref (EV_A); /* child watcher should not keep loop alive */
700	#endif	945	#endif
701	}	946	}
702	else	947	else
703	default_loop = 0;	948	ev_default_loop_ptr = 0;
704	}	949	}
705		950
706	return default_loop;	951	return ev_default_loop_ptr;
707	}	952	}
708		953
709	void	954	void
710	ev_default_destroy (void)	955	ev_default_destroy (void)
711	{	956	{
		957	#if EV_MULTIPLICITY
712	struct ev_loop *loop = default_loop;	958	struct ev_loop *loop = ev_default_loop_ptr;
		959	#endif
713		960
		961	#ifndef _WIN32
714	ev_ref (EV_A); /* child watcher */	962	ev_ref (EV_A); /* child watcher */
715	ev_signal_stop (EV_A_ &childev);	963	ev_signal_stop (EV_A_ &childev);
		964	#endif
716		965
717	ev_ref (EV_A); /* signal watcher */	966	ev_ref (EV_A); /* signal watcher */
718	ev_io_stop (EV_A_ &sigev);	967	ev_io_stop (EV_A_ &sigev);
719		968
720	close (sigpipe [0]); sigpipe [0] = 0;	969	close (sigpipe [0]); sigpipe [0] = 0;
…		…
722		971
723	loop_destroy (EV_A);	972	loop_destroy (EV_A);
724	}	973	}
725		974
726	void	975	void
727	ev_default_fork (EV_P)	976	ev_default_fork (void)
728	{	977	{
729	loop_fork (EV_A);	978	#if EV_MULTIPLICITY
		979	struct ev_loop *loop = ev_default_loop_ptr;
		980	#endif
730		981
731	ev_io_stop (EV_A_ &sigev);	982	if (method)
732	close (sigpipe [0]);	983	postfork = 1;
733	close (sigpipe [1]);
734	pipe (sigpipe);
735
736	ev_ref (EV_A); /* signal watcher */
737	siginit (EV_A);
738	}	984	}
739		985
740	/*****************************************************************************/	986	/*****************************************************************************/
		987
		988	static int
		989	any_pending (EV_P)
		990	{
		991	int pri;
		992
		993	for (pri = NUMPRI; pri--; )
		994	if (pendingcnt [pri])
		995	return 1;
		996
		997	return 0;
		998	}
741		999
742	static void	1000	static void
743	call_pending (EV_P)	1001	call_pending (EV_P)
744	{	1002	{
745	int pri;	1003	int pri;
…		…
750	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	1008	ANPENDING *p = pendings [pri] + --pendingcnt [pri];
751		1009
752	if (p->w)	1010	if (p->w)
753	{	1011	{
754	p->w->pending = 0;	1012	p->w->pending = 0;
755	p->w->cb (EV_A_ p->w, p->events);	1013	EV_CB_INVOKE (p->w, p->events);
756	}	1014	}
757	}	1015	}
758	}	1016	}
759		1017
760	static void	1018	static void
761	timers_reify (EV_P)	1019	timers_reify (EV_P)
762	{	1020	{
763	while (timercnt && timers [0]->at <= mn_now)	1021	while (timercnt && ((WT)timers [0])->at <= mn_now)
764	{	1022	{
765	struct ev_timer *w = timers [0];	1023	struct ev_timer *w = timers [0];
		1024
		1025	assert (("inactive timer on timer heap detected", ev_is_active (w)));
766		1026
767	/* first reschedule or stop timer */	1027	/* first reschedule or stop timer */
768	if (w->repeat)	1028	if (w->repeat)
769	{	1029	{
770	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));	1030	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));
		1031
771	w->at = mn_now + w->repeat;	1032	((WT)w)->at += w->repeat;
		1033	if (((WT)w)->at < mn_now)
		1034	((WT)w)->at = mn_now;
		1035
772	downheap ((WT *)timers, timercnt, 0);	1036	downheap ((WT *)timers, timercnt, 0);
773	}	1037	}
774	else	1038	else
775	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */	1039	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
776		1040
777	event (EV_A_ (W)w, EV_TIMEOUT);	1041	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
778	}	1042	}
779	}	1043	}
780		1044
		1045	#if EV_PERIODICS
781	static void	1046	static void
782	periodics_reify (EV_P)	1047	periodics_reify (EV_P)
783	{	1048	{
784	while (periodiccnt && periodics [0]->at <= rt_now)	1049	while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now)
785	{	1050	{
786	struct ev_periodic *w = periodics [0];	1051	struct ev_periodic *w = periodics [0];
787		1052
		1053	assert (("inactive timer on periodic heap detected", ev_is_active (w)));
		1054
788	/* first reschedule or stop timer */	1055	/* first reschedule or stop timer */
789	if (w->interval)	1056	if (w->reschedule_cb)
790	{	1057	{
		1058	((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001);
		1059	assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now));
		1060	downheap ((WT *)periodics, periodiccnt, 0);
		1061	}
		1062	else if (w->interval)
		1063	{
791	w->at += floor ((rt_now - w->at) / w->interval + 1.) * w->interval;	1064	((WT)w)->at += floor ((ev_rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval;
792	assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", w->at > rt_now));	1065	assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now));
793	downheap ((WT *)periodics, periodiccnt, 0);	1066	downheap ((WT *)periodics, periodiccnt, 0);
794	}	1067	}
795	else	1068	else
796	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */	1069	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
797		1070
798	event (EV_A_ (W)w, EV_PERIODIC);	1071	ev_feed_event (EV_A_ (W)w, EV_PERIODIC);
799	}	1072	}
800	}	1073	}
801		1074
802	static void	1075	static void
803	periodics_reschedule (EV_P)	1076	periodics_reschedule (EV_P)
…		…
807	/* adjust periodics after time jump */	1080	/* adjust periodics after time jump */
808	for (i = 0; i < periodiccnt; ++i)	1081	for (i = 0; i < periodiccnt; ++i)
809	{	1082	{
810	struct ev_periodic *w = periodics [i];	1083	struct ev_periodic *w = periodics [i];
811		1084
		1085	if (w->reschedule_cb)
		1086	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
812	if (w->interval)	1087	else if (w->interval)
813	{
814	ev_tstamp diff = ceil ((rt_now - w->at) / w->interval) * w->interval;	1088	((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval;
815
816	if (fabs (diff) >= 1e-4)
817	{
818	ev_periodic_stop (EV_A_ w);
819	ev_periodic_start (EV_A_ w);
820
821	i = 0; /* restart loop, inefficient, but time jumps should be rare */
822	}
823	}
824	}	1089	}
		1090
		1091	/* now rebuild the heap */
		1092	for (i = periodiccnt >> 1; i--; )
		1093	downheap ((WT *)periodics, periodiccnt, i);
825	}	1094	}
		1095	#endif
826		1096
827	inline int	1097	inline int
828	time_update_monotonic (EV_P)	1098	time_update_monotonic (EV_P)
829	{	1099	{
830	mn_now = get_clock ();	1100	mn_now = get_clock ();
831		1101
832	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))	1102	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))
833	{	1103	{
834	rt_now = rtmn_diff + mn_now;	1104	ev_rt_now = rtmn_diff + mn_now;
835	return 0;	1105	return 0;
836	}	1106	}
837	else	1107	else
838	{	1108	{
839	now_floor = mn_now;	1109	now_floor = mn_now;
840	rt_now = ev_time ();	1110	ev_rt_now = ev_time ();
841	return 1;	1111	return 1;
842	}	1112	}
843	}	1113	}
844		1114
845	static void	1115	static void
…		…
854	{	1124	{
855	ev_tstamp odiff = rtmn_diff;	1125	ev_tstamp odiff = rtmn_diff;
856		1126
857	for (i = 4; --i; ) /* loop a few times, before making important decisions */	1127	for (i = 4; --i; ) /* loop a few times, before making important decisions */
858	{	1128	{
859	rtmn_diff = rt_now - mn_now;	1129	rtmn_diff = ev_rt_now - mn_now;
860		1130
861	if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)	1131	if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)
862	return; /* all is well */	1132	return; /* all is well */
863		1133
864	rt_now = ev_time ();	1134	ev_rt_now = ev_time ();
865	mn_now = get_clock ();	1135	mn_now = get_clock ();
866	now_floor = mn_now;	1136	now_floor = mn_now;
867	}	1137	}
868		1138
		1139	# if EV_PERIODICS
869	periodics_reschedule (EV_A);	1140	periodics_reschedule (EV_A);
		1141	# endif
870	/* no timer adjustment, as the monotonic clock doesn't jump */	1142	/* no timer adjustment, as the monotonic clock doesn't jump */
871	/* timers_reschedule (EV_A_ rtmn_diff - odiff) */	1143	/* timers_reschedule (EV_A_ rtmn_diff - odiff) */
872	}	1144	}
873	}	1145	}
874	else	1146	else
875	#endif	1147	#endif
876	{	1148	{
877	rt_now = ev_time ();	1149	ev_rt_now = ev_time ();
878		1150
879	if (expect_false (mn_now > rt_now \|\| mn_now < rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP))	1151	if (expect_false (mn_now > ev_rt_now \|\| mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP))
880	{	1152	{
		1153	#if EV_PERIODICS
881	periodics_reschedule (EV_A);	1154	periodics_reschedule (EV_A);
		1155	#endif
882		1156
883	/* adjust timers. this is easy, as the offset is the same for all */	1157	/* adjust timers. this is easy, as the offset is the same for all */
884	for (i = 0; i < timercnt; ++i)	1158	for (i = 0; i < timercnt; ++i)
885	timers [i]->at += rt_now - mn_now;	1159	((WT)timers [i])->at += ev_rt_now - mn_now;
886	}	1160	}
887		1161
888	mn_now = rt_now;	1162	mn_now = ev_rt_now;
889	}	1163	}
890	}	1164	}
891		1165
892	void	1166	void
893	ev_ref (EV_P)	1167	ev_ref (EV_P)
…		…
907	ev_loop (EV_P_ int flags)	1181	ev_loop (EV_P_ int flags)
908	{	1182	{
909	double block;	1183	double block;
910	loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK) ? 1 : 0;	1184	loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK) ? 1 : 0;
911		1185
912	do	1186	while (activecnt)
913	{	1187	{
914	/* queue check watchers (and execute them) */	1188	/* queue check watchers (and execute them) */
915	if (expect_false (preparecnt))	1189	if (expect_false (preparecnt))
916	{	1190	{
917	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);	1191	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
918	call_pending (EV_A);	1192	call_pending (EV_A);
919	}	1193	}
920		1194
		1195	/* we might have forked, so reify kernel state if necessary */
		1196	if (expect_false (postfork))
		1197	loop_fork (EV_A);
		1198
921	/* update fd-related kernel structures */	1199	/* update fd-related kernel structures */
922	fd_reify (EV_A);	1200	fd_reify (EV_A);
923		1201
924	/* calculate blocking time */	1202	/* calculate blocking time */
925		1203
926	/* we only need this for !monotonic clockor timers, but as we basically	1204	/* we only need this for !monotonic clock or timers, but as we basically
927	always have timers, we just calculate it always */	1205	always have timers, we just calculate it always */
928	#if EV_USE_MONOTONIC	1206	#if EV_USE_MONOTONIC
929	if (expect_true (have_monotonic))	1207	if (expect_true (have_monotonic))
930	time_update_monotonic (EV_A);	1208	time_update_monotonic (EV_A);
931	else	1209	else
932	#endif	1210	#endif
933	{	1211	{
934	rt_now = ev_time ();	1212	ev_rt_now = ev_time ();
935	mn_now = rt_now;	1213	mn_now = ev_rt_now;
936	}	1214	}
937		1215
938	if (flags & EVLOOP_NONBLOCK \|\| idlecnt)	1216	if (flags & EVLOOP_NONBLOCK \|\| idlecnt)
939	block = 0.;	1217	block = 0.;
940	else	1218	else
941	{	1219	{
942	block = MAX_BLOCKTIME;	1220	block = MAX_BLOCKTIME;
943		1221
944	if (timercnt)	1222	if (timercnt)
945	{	1223	{
946	ev_tstamp to = timers [0]->at - mn_now + method_fudge;	1224	ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge;
947	if (block > to) block = to;	1225	if (block > to) block = to;
948	}	1226	}
949		1227
		1228	#if EV_PERIODICS
950	if (periodiccnt)	1229	if (periodiccnt)
951	{	1230	{
952	ev_tstamp to = periodics [0]->at - rt_now + method_fudge;	1231	ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + method_fudge;
953	if (block > to) block = to;	1232	if (block > to) block = to;
954	}	1233	}
		1234	#endif
955		1235
956	if (block < 0.) block = 0.;	1236	if (block < 0.) block = 0.;
957	}	1237	}
958		1238
959	method_poll (EV_A_ block);	1239	method_poll (EV_A_ block);
960		1240
961	/* update rt_now, do magic */	1241	/* update ev_rt_now, do magic */
962	time_update (EV_A);	1242	time_update (EV_A);
963		1243
964	/* queue pending timers and reschedule them */	1244	/* queue pending timers and reschedule them */
965	timers_reify (EV_A); /* relative timers called last */	1245	timers_reify (EV_A); /* relative timers called last */
		1246	#if EV_PERIODICS
966	periodics_reify (EV_A); /* absolute timers called first */	1247	periodics_reify (EV_A); /* absolute timers called first */
		1248	#endif
967		1249
968	/* queue idle watchers unless io or timers are pending */	1250	/* queue idle watchers unless io or timers are pending */
969	if (!pendingcnt)	1251	if (idlecnt && !any_pending (EV_A))
970	queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);	1252	queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);
971		1253
972	/* queue check watchers, to be executed first */	1254	/* queue check watchers, to be executed first */
973	if (checkcnt)	1255	if (checkcnt)
974	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);	1256	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
975		1257
976	call_pending (EV_A);	1258	call_pending (EV_A);
		1259
		1260	if (loop_done)
		1261	break;
977	}	1262	}
978	while (activecnt && !loop_done);
979		1263
980	if (loop_done != 2)	1264	if (loop_done != 2)
981	loop_done = 0;	1265	loop_done = 0;
982	}	1266	}
983		1267
…		…
1049	return;	1333	return;
1050		1334
1051	assert (("ev_io_start called with negative fd", fd >= 0));	1335	assert (("ev_io_start called with negative fd", fd >= 0));
1052		1336
1053	ev_start (EV_A_ (W)w, 1);	1337	ev_start (EV_A_ (W)w, 1);
1054	array_needsize (anfds, anfdmax, fd + 1, anfds_init);	1338	array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);
1055	wlist_add ((WL *)&anfds[fd].head, (WL)w);	1339	wlist_add ((WL *)&anfds[fd].head, (WL)w);
1056		1340
1057	fd_change (EV_A_ fd);	1341	fd_change (EV_A_ fd);
1058	}	1342	}
1059		1343
…		…
1062	{	1346	{
1063	ev_clear_pending (EV_A_ (W)w);	1347	ev_clear_pending (EV_A_ (W)w);
1064	if (!ev_is_active (w))	1348	if (!ev_is_active (w))
1065	return;	1349	return;
1066		1350
		1351	assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
		1352
1067	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);	1353	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);
1068	ev_stop (EV_A_ (W)w);	1354	ev_stop (EV_A_ (W)w);
1069		1355
1070	fd_change (EV_A_ w->fd);	1356	fd_change (EV_A_ w->fd);
1071	}	1357	}
…		…
1074	ev_timer_start (EV_P_ struct ev_timer *w)	1360	ev_timer_start (EV_P_ struct ev_timer *w)
1075	{	1361	{
1076	if (ev_is_active (w))	1362	if (ev_is_active (w))
1077	return;	1363	return;
1078		1364
1079	w->at += mn_now;	1365	((WT)w)->at += mn_now;
1080		1366
1081	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));	1367	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
1082		1368
1083	ev_start (EV_A_ (W)w, ++timercnt);	1369	ev_start (EV_A_ (W)w, ++timercnt);
1084	array_needsize (timers, timermax, timercnt, );	1370	array_needsize (struct ev_timer *, timers, timermax, timercnt, EMPTY2);
1085	timers [timercnt - 1] = w;	1371	timers [timercnt - 1] = w;
1086	upheap ((WT *)timers, timercnt - 1);	1372	upheap ((WT *)timers, timercnt - 1);
		1373
		1374	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
1087	}	1375	}
1088		1376
1089	void	1377	void
1090	ev_timer_stop (EV_P_ struct ev_timer *w)	1378	ev_timer_stop (EV_P_ struct ev_timer *w)
1091	{	1379	{
1092	ev_clear_pending (EV_A_ (W)w);	1380	ev_clear_pending (EV_A_ (W)w);
1093	if (!ev_is_active (w))	1381	if (!ev_is_active (w))
1094	return;	1382	return;
1095		1383
		1384	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
		1385
1096	if (w->active < timercnt--)	1386	if (((W)w)->active < timercnt--)
1097	{	1387	{
1098	timers [w->active - 1] = timers [timercnt];	1388	timers [((W)w)->active - 1] = timers [timercnt];
1099	downheap ((WT *)timers, timercnt, w->active - 1);	1389	adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);
1100	}	1390	}
1101		1391
1102	w->at = w->repeat;	1392	((WT)w)->at -= mn_now;
1103		1393
1104	ev_stop (EV_A_ (W)w);	1394	ev_stop (EV_A_ (W)w);
1105	}	1395	}
1106		1396
1107	void	1397	void
…		…
1109	{	1399	{
1110	if (ev_is_active (w))	1400	if (ev_is_active (w))
1111	{	1401	{
1112	if (w->repeat)	1402	if (w->repeat)
1113	{	1403	{
1114	w->at = mn_now + w->repeat;	1404	((WT)w)->at = mn_now + w->repeat;
1115	downheap ((WT *)timers, timercnt, w->active - 1);	1405	adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);
1116	}	1406	}
1117	else	1407	else
1118	ev_timer_stop (EV_A_ w);	1408	ev_timer_stop (EV_A_ w);
1119	}	1409	}
1120	else if (w->repeat)	1410	else if (w->repeat)
		1411	{
		1412	w->at = w->repeat;
1121	ev_timer_start (EV_A_ w);	1413	ev_timer_start (EV_A_ w);
		1414	}
1122	}	1415	}
1123		1416
		1417	#if EV_PERIODICS
1124	void	1418	void
1125	ev_periodic_start (EV_P_ struct ev_periodic *w)	1419	ev_periodic_start (EV_P_ struct ev_periodic *w)
1126	{	1420	{
1127	if (ev_is_active (w))	1421	if (ev_is_active (w))
1128	return;	1422	return;
1129		1423
		1424	if (w->reschedule_cb)
		1425	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
		1426	else if (w->interval)
		1427	{
1130	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));	1428	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));
1131
1132	/* this formula differs from the one in periodic_reify because we do not always round up */	1429	/* this formula differs from the one in periodic_reify because we do not always round up */
1133	if (w->interval)
1134	w->at += ceil ((rt_now - w->at) / w->interval) * w->interval;	1430	((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval;
		1431	}
1135		1432
1136	ev_start (EV_A_ (W)w, ++periodiccnt);	1433	ev_start (EV_A_ (W)w, ++periodiccnt);
1137	array_needsize (periodics, periodicmax, periodiccnt, );	1434	array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2);
1138	periodics [periodiccnt - 1] = w;	1435	periodics [periodiccnt - 1] = w;
1139	upheap ((WT *)periodics, periodiccnt - 1);	1436	upheap ((WT *)periodics, periodiccnt - 1);
		1437
		1438	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
1140	}	1439	}
1141		1440
1142	void	1441	void
1143	ev_periodic_stop (EV_P_ struct ev_periodic *w)	1442	ev_periodic_stop (EV_P_ struct ev_periodic *w)
1144	{	1443	{
1145	ev_clear_pending (EV_A_ (W)w);	1444	ev_clear_pending (EV_A_ (W)w);
1146	if (!ev_is_active (w))	1445	if (!ev_is_active (w))
1147	return;	1446	return;
1148		1447
		1448	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
		1449
1149	if (w->active < periodiccnt--)	1450	if (((W)w)->active < periodiccnt--)
1150	{	1451	{
1151	periodics [w->active - 1] = periodics [periodiccnt];	1452	periodics [((W)w)->active - 1] = periodics [periodiccnt];
1152	downheap ((WT *)periodics, periodiccnt, w->active - 1);	1453	adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1);
1153	}	1454	}
1154		1455
1155	ev_stop (EV_A_ (W)w);	1456	ev_stop (EV_A_ (W)w);
1156	}	1457	}
1157		1458
1158	void	1459	void
		1460	ev_periodic_again (EV_P_ struct ev_periodic *w)
		1461	{
		1462	/* TODO: use adjustheap and recalculation */
		1463	ev_periodic_stop (EV_A_ w);
		1464	ev_periodic_start (EV_A_ w);
		1465	}
		1466	#endif
		1467
		1468	void
1159	ev_idle_start (EV_P_ struct ev_idle *w)	1469	ev_idle_start (EV_P_ struct ev_idle *w)
1160	{	1470	{
1161	if (ev_is_active (w))	1471	if (ev_is_active (w))
1162	return;	1472	return;
1163		1473
1164	ev_start (EV_A_ (W)w, ++idlecnt);	1474	ev_start (EV_A_ (W)w, ++idlecnt);
1165	array_needsize (idles, idlemax, idlecnt, );	1475	array_needsize (struct ev_idle *, idles, idlemax, idlecnt, EMPTY2);
1166	idles [idlecnt - 1] = w;	1476	idles [idlecnt - 1] = w;
1167	}	1477	}
1168		1478
1169	void	1479	void
1170	ev_idle_stop (EV_P_ struct ev_idle *w)	1480	ev_idle_stop (EV_P_ struct ev_idle *w)
1171	{	1481	{
1172	ev_clear_pending (EV_A_ (W)w);	1482	ev_clear_pending (EV_A_ (W)w);
		1483	if (!ev_is_active (w))
		1484	return;
		1485
		1486	idles [((W)w)->active - 1] = idles [--idlecnt];
		1487	ev_stop (EV_A_ (W)w);
		1488	}
		1489
		1490	void
		1491	ev_prepare_start (EV_P_ struct ev_prepare *w)
		1492	{
1173	if (ev_is_active (w))	1493	if (ev_is_active (w))
1174	return;	1494	return;
1175		1495
1176	idles [w->active - 1] = idles [--idlecnt];	1496	ev_start (EV_A_ (W)w, ++preparecnt);
		1497	array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);
		1498	prepares [preparecnt - 1] = w;
		1499	}
		1500
		1501	void
		1502	ev_prepare_stop (EV_P_ struct ev_prepare *w)
		1503	{
		1504	ev_clear_pending (EV_A_ (W)w);
		1505	if (!ev_is_active (w))
		1506	return;
		1507
		1508	prepares [((W)w)->active - 1] = prepares [--preparecnt];
1177	ev_stop (EV_A_ (W)w);	1509	ev_stop (EV_A_ (W)w);
1178	}	1510	}
1179		1511
1180	void	1512	void
1181	ev_prepare_start (EV_P_ struct ev_prepare *w)	1513	ev_check_start (EV_P_ struct ev_check *w)
1182	{	1514	{
1183	if (ev_is_active (w))	1515	if (ev_is_active (w))
1184	return;	1516	return;
1185		1517
1186	ev_start (EV_A_ (W)w, ++preparecnt);	1518	ev_start (EV_A_ (W)w, ++checkcnt);
1187	array_needsize (prepares, preparemax, preparecnt, );	1519	array_needsize (struct ev_check *, checks, checkmax, checkcnt, EMPTY2);
1188	prepares [preparecnt - 1] = w;	1520	checks [checkcnt - 1] = w;
1189	}	1521	}
1190		1522
1191	void	1523	void
1192	ev_prepare_stop (EV_P_ struct ev_prepare *w)	1524	ev_check_stop (EV_P_ struct ev_check *w)
1193	{	1525	{
1194	ev_clear_pending (EV_A_ (W)w);	1526	ev_clear_pending (EV_A_ (W)w);
1195	if (ev_is_active (w))	1527	if (!ev_is_active (w))
1196	return;	1528	return;
1197		1529
1198	prepares [w->active - 1] = prepares [--preparecnt];
1199	ev_stop (EV_A_ (W)w);
1200	}
1201
1202	void
1203	ev_check_start (EV_P_ struct ev_check *w)
1204	{
1205	if (ev_is_active (w))
1206	return;
1207
1208	ev_start (EV_A_ (W)w, ++checkcnt);
1209	array_needsize (checks, checkmax, checkcnt, );
1210	checks [checkcnt - 1] = w;
1211	}
1212
1213	void
1214	ev_check_stop (EV_P_ struct ev_check *w)
1215	{
1216	ev_clear_pending (EV_A_ (W)w);
1217	if (ev_is_active (w))
1218	return;
1219
1220	checks [w->active - 1] = checks [--checkcnt];	1530	checks [((W)w)->active - 1] = checks [--checkcnt];
1221	ev_stop (EV_A_ (W)w);	1531	ev_stop (EV_A_ (W)w);
1222	}	1532	}
1223		1533
1224	#ifndef SA_RESTART	1534	#ifndef SA_RESTART
1225	# define SA_RESTART 0	1535	# define SA_RESTART 0
…		…
1227		1537
1228	void	1538	void
1229	ev_signal_start (EV_P_ struct ev_signal *w)	1539	ev_signal_start (EV_P_ struct ev_signal *w)
1230	{	1540	{
1231	#if EV_MULTIPLICITY	1541	#if EV_MULTIPLICITY
1232	assert (("signal watchers are only supported in the default loop", loop == default_loop));	1542	assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr));
1233	#endif	1543	#endif
1234	if (ev_is_active (w))	1544	if (ev_is_active (w))
1235	return;	1545	return;
1236		1546
1237	assert (("ev_signal_start called with illegal signal number", w->signum > 0));	1547	assert (("ev_signal_start called with illegal signal number", w->signum > 0));
1238		1548
1239	ev_start (EV_A_ (W)w, 1);	1549	ev_start (EV_A_ (W)w, 1);
1240	array_needsize (signals, signalmax, w->signum, signals_init);	1550	array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);
1241	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);	1551	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);
1242		1552
1243	if (!w->next)	1553	if (!((WL)w)->next)
1244	{	1554	{
		1555	#if _WIN32
		1556	signal (w->signum, sighandler);
		1557	#else
1245	struct sigaction sa;	1558	struct sigaction sa;
1246	sa.sa_handler = sighandler;	1559	sa.sa_handler = sighandler;
1247	sigfillset (&sa.sa_mask);	1560	sigfillset (&sa.sa_mask);
1248	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */	1561	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */
1249	sigaction (w->signum, &sa, 0);	1562	sigaction (w->signum, &sa, 0);
		1563	#endif
1250	}	1564	}
1251	}	1565	}
1252		1566
1253	void	1567	void
1254	ev_signal_stop (EV_P_ struct ev_signal *w)	1568	ev_signal_stop (EV_P_ struct ev_signal *w)
…		…
1266		1580
1267	void	1581	void
1268	ev_child_start (EV_P_ struct ev_child *w)	1582	ev_child_start (EV_P_ struct ev_child *w)
1269	{	1583	{
1270	#if EV_MULTIPLICITY	1584	#if EV_MULTIPLICITY
1271	assert (("child watchers are only supported in the default loop", loop == default_loop));	1585	assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
1272	#endif	1586	#endif
1273	if (ev_is_active (w))	1587	if (ev_is_active (w))
1274	return;	1588	return;
1275		1589
1276	ev_start (EV_A_ (W)w, 1);	1590	ev_start (EV_A_ (W)w, 1);
…		…
1279		1593
1280	void	1594	void
1281	ev_child_stop (EV_P_ struct ev_child *w)	1595	ev_child_stop (EV_P_ struct ev_child *w)
1282	{	1596	{
1283	ev_clear_pending (EV_A_ (W)w);	1597	ev_clear_pending (EV_A_ (W)w);
1284	if (ev_is_active (w))	1598	if (!ev_is_active (w))
1285	return;	1599	return;
1286		1600
1287	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);	1601	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1288	ev_stop (EV_A_ (W)w);	1602	ev_stop (EV_A_ (W)w);
1289	}	1603	}
…		…
1304	void (cb)(int revents, void arg) = once->cb;	1618	void (cb)(int revents, void arg) = once->cb;
1305	void *arg = once->arg;	1619	void *arg = once->arg;
1306		1620
1307	ev_io_stop (EV_A_ &once->io);	1621	ev_io_stop (EV_A_ &once->io);
1308	ev_timer_stop (EV_A_ &once->to);	1622	ev_timer_stop (EV_A_ &once->to);
1309	free (once);	1623	ev_free (once);
1310		1624
1311	cb (revents, arg);	1625	cb (revents, arg);
1312	}	1626	}
1313		1627
1314	static void	1628	static void
…		…
1324	}	1638	}
1325		1639
1326	void	1640	void
1327	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg)	1641	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg)
1328	{	1642	{
1329	struct ev_once *once = malloc (sizeof (struct ev_once));	1643	struct ev_once once = (struct ev_once )ev_malloc (sizeof (struct ev_once));
1330		1644
1331	if (!once)	1645	if (!once)
1332	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);	1646	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);
1333	else	1647	else
1334	{	1648	{
1335	once->cb = cb;	1649	once->cb = cb;
1336	once->arg = arg;	1650	once->arg = arg;
1337		1651
1338	ev_watcher_init (&once->io, once_cb_io);	1652	ev_init (&once->io, once_cb_io);
1339	if (fd >= 0)	1653	if (fd >= 0)
1340	{	1654	{
1341	ev_io_set (&once->io, fd, events);	1655	ev_io_set (&once->io, fd, events);
1342	ev_io_start (EV_A_ &once->io);	1656	ev_io_start (EV_A_ &once->io);
1343	}	1657	}
1344		1658
1345	ev_watcher_init (&once->to, once_cb_to);	1659	ev_init (&once->to, once_cb_to);
1346	if (timeout >= 0.)	1660	if (timeout >= 0.)
1347	{	1661	{
1348	ev_timer_set (&once->to, timeout, 0.);	1662	ev_timer_set (&once->to, timeout, 0.);
1349	ev_timer_start (EV_A_ &once->to);	1663	ev_timer_start (EV_A_ &once->to);
1350	}	1664	}
1351	}	1665	}
1352	}	1666	}
1353		1667
		1668	#ifdef __cplusplus
		1669	}
		1670	#endif
		1671

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Comparing libev/ev.c (file contents): Revision 1.56 by root, Sun Nov 4 15:58:49 2007 UTC vs. Revision 1.118 by root, Fri Nov 16 01:33:54 2007 UTC

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Comparing libev/ev.c (file contents):
Revision 1.56 by root, Sun Nov 4 15:58:49 2007 UTC vs.
Revision 1.118 by root, Fri Nov 16 01:33:54 2007 UTC