[ViewVC] Diff of: cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.44 by root, Sat Oct 21 23:20:29 2006 UTC vs.
Revision 1.59 by root, Mon Oct 23 18:56:27 2006 UTC

…		…
9		9
10	#include <pthread.h>	10	#include <pthread.h>
11		11
12	#include <stddef.h>	12	#include <stddef.h>
13	#include <errno.h>	13	#include <errno.h>
		14	#include <sys/time.h>
		15	#include <sys/select.h>
14	#include <sys/types.h>	16	#include <sys/types.h>
15	#include <sys/stat.h>	17	#include <sys/stat.h>
16	#include <limits.h>	18	#include <limits.h>
17	#include <unistd.h>	19	#include <unistd.h>
18	#include <fcntl.h>	20	#include <fcntl.h>
…		…
53	REQ_STAT, REQ_LSTAT, REQ_FSTAT,	55	REQ_STAT, REQ_LSTAT, REQ_FSTAT,
54	REQ_FSYNC, REQ_FDATASYNC,	56	REQ_FSYNC, REQ_FDATASYNC,
55	REQ_UNLINK, REQ_RMDIR, REQ_RENAME,	57	REQ_UNLINK, REQ_RMDIR, REQ_RENAME,
56	REQ_READDIR,	58	REQ_READDIR,
57	REQ_LINK, REQ_SYMLINK,	59	REQ_LINK, REQ_SYMLINK,
58	REQ_GROUP,	60	REQ_GROUP, REQ_NOP,
		61	REQ_SLEEP,
59	};	62	};
60		63
61	#define AIO_REQ_KLASS "IO::AIO::REQ"	64	#define AIO_REQ_KLASS "IO::AIO::REQ"
62	#define AIO_GRP_KLASS "IO::AIO::GRP"	65	#define AIO_GRP_KLASS "IO::AIO::GRP"
63		66
64	typedef struct aio_cb	67	typedef struct aio_cb
65	{	68	{
66	struct aio_cb grp, grp_prev, *grp_next;
67
68	struct aio_cb *volatile next;	69	struct aio_cb *volatile next;
		70
		71	struct aio_cb grp, grp_prev, grp_next, grp_first;
69		72
70	SV self; / the perl counterpart of this request, if any */	73	SV self; / the perl counterpart of this request, if any */
71		74
72	SV data, callback;	75	SV data, callback;
73	SV fh, fh2;	76	SV fh, fh2;
…		…
80	int type;	83	int type;
81	int fd, fd2;	84	int fd, fd2;
82	int errorno;	85	int errorno;
83	STRLEN dataoffset;	86	STRLEN dataoffset;
84	mode_t mode; /* open */	87	mode_t mode; /* open */
		88	unsigned char pri;
85	unsigned char cancelled;	89	unsigned char flags;
86	} aio_cb;	90	} aio_cb;
		91
		92	enum {
		93	FLAG_CANCELLED = 0x01,
		94	};
87		95
88	typedef aio_cb *aio_req;	96	typedef aio_cb *aio_req;
89	typedef aio_cb *aio_req_ornot;	97	typedef aio_cb *aio_req_ornot;
90	typedef aio_cb *aio_group;
91		98
92	static int started, wanted;	99	static int started, wanted;
93	static volatile int nreqs;	100	static volatile int nreqs;
94	static int max_outstanding = 1<<30;	101	static int max_outstanding = 1<<30;
95	static int respipe [2];	102	static int respipe [2];
…		…
99	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;	106	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;
100		107
101	static volatile aio_req reqs, reqe; /* queue start, queue end */	108	static volatile aio_req reqs, reqe; /* queue start, queue end */
102	static volatile aio_req ress, rese; /* queue start, queue end */	109	static volatile aio_req ress, rese; /* queue start, queue end */
103		110
		111	static void req_invoke (aio_req req);
		112	static void req_free (aio_req req);
		113
104	/* must be called at most once */	114	/* must be called at most once */
105	static SV req_sv (aio_req req, const char klass)	115	static SV req_sv (aio_req req, const char klass)
106	{	116	{
		117	if (!req->self)
		118	{
107	req->self = (SV *)newHV ();	119	req->self = (SV *)newHV ();
108	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	120	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
		121	}
109		122
110	return sv_2mortal (sv_bless (newRV_noinc (req->self), gv_stashpv (klass, 1)));	123	return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1)));
111	}	124	}
112		125
113	static aio_req SvAIO_REQ (SV sv, const char klass)	126	static aio_req SvAIO_REQ (SV *sv)
114	{	127	{
		128	MAGIC *mg;
		129
115	if (!sv_derived_from (sv, klass) \|\| !SvROK (sv))	130	if (!sv_derived_from (sv, AIO_REQ_KLASS) \|\| !SvROK (sv))
116	croak ("object of class %s expected", klass);	131	croak ("object of class " AIO_REQ_KLASS " expected");
117		132
118	MAGIC *mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	133	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
119		134
120	return mg ? (aio_req)mg->mg_ptr : 0;	135	return mg ? (aio_req)mg->mg_ptr : 0;
121	}	136	}
122		137
123	static void req_free (aio_req req)	138	static void aio_grp_feed (aio_req grp)
124	{	139	{
125	if (req->self)	140	while (grp->length < grp->fd2 && !(grp->flags & FLAG_CANCELLED))
126	{
127	sv_unmagic (req->self, PERL_MAGIC_ext);
128	SvREFCNT_dec (req->self);
129	}	141	{
		142	int old_len = grp->length;
130		143
131	if (req->data)	144	if (grp->fh2 && SvOK (grp->fh2))
132	SvREFCNT_dec (req->data);	145	{
		146	dSP;
133		147
134	if (req->fh)	148	ENTER;
135	SvREFCNT_dec (req->fh);	149	SAVETMPS;
		150	PUSHMARK (SP);
		151	XPUSHs (req_sv (grp, AIO_GRP_KLASS));
		152	PUTBACK;
		153	call_sv (grp->fh2, G_VOID \| G_EVAL);
		154	SPAGAIN;
		155	FREETMPS;
		156	LEAVE;
		157	}
136		158
137	if (req->fh2)	159	/* stop if no progress has been made */
		160	if (old_len == grp->length)
		161	{
138	SvREFCNT_dec (req->fh2);	162	SvREFCNT_dec (grp->fh2);
139		163	grp->fh2 = 0;
140	if (req->statdata)	164	break;
141	Safefree (req->statdata);	165	}
142		166	}
143	if (req->callback)
144	SvREFCNT_dec (req->callback);
145
146	if (req->type == REQ_READDIR && req->result >= 0)
147	free (req->data2ptr);
148
149	Safefree (req);
150	}	167	}
151		168
152	static void	169	static void aio_grp_dec (aio_req grp)
153	poll_wait ()	170	{
		171	--grp->length;
		172
		173	/* call feeder, if applicable */
		174	aio_grp_feed (grp);
		175
		176	/* finish, if done */
		177	if (!grp->length && grp->fd)
		178	{
		179	req_invoke (grp);
		180	req_free (grp);
		181	}
		182	}
		183
		184	static void poll_wait ()
154	{	185	{
155	if (nreqs && !ress)	186	if (nreqs && !ress)
156	{	187	{
157	fd_set rfd;	188	fd_set rfd;
158	FD_ZERO(&rfd);	189	FD_ZERO(&rfd);
…		…
160		191
161	select (respipe [0] + 1, &rfd, 0, 0, 0);	192	select (respipe [0] + 1, &rfd, 0, 0, 0);
162	}	193	}
163	}	194	}
164		195
165	static int	196	static void req_invoke (aio_req req)
166	poll_cb ()	197	{
		198	dSP;
		199	int errorno = errno;
		200
		201	if (req->flags & FLAG_CANCELLED \|\| !SvOK (req->callback))
		202	return;
		203
		204	errno = req->errorno;
		205
		206	ENTER;
		207	SAVETMPS;
		208	PUSHMARK (SP);
		209	EXTEND (SP, 1);
		210
		211	switch (req->type)
		212	{
		213	case REQ_READDIR:
		214	{
		215	SV *rv = &PL_sv_undef;
		216
		217	if (req->result >= 0)
		218	{
		219	char *buf = req->data2ptr;
		220	AV *av = newAV ();
		221
		222	while (req->result)
		223	{
		224	SV *sv = newSVpv (buf, 0);
		225
		226	av_push (av, sv);
		227	buf += SvCUR (sv) + 1;
		228	req->result--;
		229	}
		230
		231	rv = sv_2mortal (newRV_noinc ((SV *)av));
		232	}
		233
		234	PUSHs (rv);
		235	}
		236	break;
		237
		238	case REQ_OPEN:
		239	{
		240	/* convert fd to fh */
		241	SV *fh;
		242
		243	PUSHs (sv_2mortal (newSViv (req->result)));
		244	PUTBACK;
		245	call_pv ("IO::AIO::_fd2fh", G_SCALAR \| G_EVAL);
		246	SPAGAIN;
		247
		248	fh = SvREFCNT_inc (POPs);
		249
		250	PUSHMARK (SP);
		251	XPUSHs (sv_2mortal (fh));
		252	}
		253	break;
		254
		255	case REQ_GROUP:
		256	req->fd = 2; /* mark group as finished */
		257
		258	if (req->data)
		259	{
		260	int i;
		261	AV av = (AV )req->data;
		262
		263	EXTEND (SP, AvFILL (av) + 1);
		264	for (i = 0; i <= AvFILL (av); ++i)
		265	PUSHs (*av_fetch (av, i, 0));
		266	}
		267	break;
		268
		269	case REQ_NOP:
		270	case REQ_SLEEP:
		271	break;
		272
		273	default:
		274	PUSHs (sv_2mortal (newSViv (req->result)));
		275	break;
		276	}
		277
		278
		279	PUTBACK;
		280	call_sv (req->callback, G_VOID \| G_EVAL);
		281	SPAGAIN;
		282
		283	FREETMPS;
		284	LEAVE;
		285
		286	errno = errorno;
		287
		288	if (SvTRUE (ERRSV))
		289	{
		290	req_free (req);
		291	croak (0);
		292	}
		293	}
		294
		295	static void req_free (aio_req req)
		296	{
		297	if (req->grp)
		298	{
		299	aio_req grp = req->grp;
		300
		301	/* unlink request */
		302	if (req->grp_next) req->grp_next->grp_prev = req->grp_prev;
		303	if (req->grp_prev) req->grp_prev->grp_next = req->grp_next;
		304
		305	if (grp->grp_first == req)
		306	grp->grp_first = req->grp_next;
		307
		308	aio_grp_dec (grp);
		309	}
		310
		311	if (req->self)
		312	{
		313	sv_unmagic (req->self, PERL_MAGIC_ext);
		314	SvREFCNT_dec (req->self);
		315	}
		316
		317	SvREFCNT_dec (req->data);
		318	SvREFCNT_dec (req->fh);
		319	SvREFCNT_dec (req->fh2);
		320	SvREFCNT_dec (req->callback);
		321	Safefree (req->statdata);
		322
		323	if (req->type == REQ_READDIR && req->result >= 0)
		324	free (req->data2ptr);
		325
		326	Safefree (req);
		327	}
		328
		329	static void req_cancel (aio_req req)
		330	{
		331	req->flags \|= FLAG_CANCELLED;
		332
		333	if (req->type == REQ_GROUP)
		334	{
		335	aio_req sub;
		336
		337	for (sub = req->grp_first; sub; sub = sub->grp_next)
		338	req_cancel (sub);
		339	}
		340	}
		341
		342	static int poll_cb ()
167	{	343	{
168	dSP;	344	dSP;
169	int count = 0;	345	int count = 0;
170	int do_croak = 0;	346	int do_croak = 0;
171	aio_req req;	347	aio_req req;
…		…
193	pthread_mutex_unlock (&reslock);	369	pthread_mutex_unlock (&reslock);
194		370
195	if (!req)	371	if (!req)
196	break;	372	break;
197		373
198	nreqs--;	374	--nreqs;
199		375
200	if (req->type == REQ_QUIT)	376	if (req->type == REQ_QUIT)
201	started--;	377	started--;
		378	else if (req->type == REQ_GROUP && req->length)
		379	{
		380	req->fd = 1; /* mark request as delayed */
		381	continue;
		382	}
202	else	383	else
203	{	384	{
204	int errorno = errno;
205	errno = req->errorno;
206
207	if (req->type == REQ_READ)	385	if (req->type == REQ_READ)
208	SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0));	386	SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0));
209		387
210	if (req->data2ptr && (req->type == REQ_READ \|\| req->type == REQ_WRITE))	388	if (req->data2ptr && (req->type == REQ_READ \|\| req->type == REQ_WRITE))
211	SvREADONLY_off (req->data);	389	SvREADONLY_off (req->data);
…		…
215	PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT;	393	PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT;
216	PL_laststatval = req->result;	394	PL_laststatval = req->result;
217	PL_statcache = *(req->statdata);	395	PL_statcache = *(req->statdata);
218	}	396	}
219		397
220	ENTER;	398	req_invoke (req);
221	PUSHMARK (SP);
222		399
223	if (req->type == REQ_READDIR)
224	{
225	SV *rv = &PL_sv_undef;
226
227	if (req->result >= 0)
228	{
229	char *buf = req->data2ptr;
230	AV *av = newAV ();
231
232	while (req->result)
233	{
234	SV *sv = newSVpv (buf, 0);
235
236	av_push (av, sv);
237	buf += SvCUR (sv) + 1;
238	req->result--;
239	}
240
241	rv = sv_2mortal (newRV_noinc ((SV *)av));
242	}
243
244	XPUSHs (rv);
245	}
246	else
247	{
248	XPUSHs (sv_2mortal (newSViv (req->result)));
249
250	if (req->type == REQ_OPEN)
251	{
252	/* convert fd to fh */
253	SV *fh;
254
255	PUTBACK;
256	call_pv ("IO::AIO::_fd2fh", G_SCALAR \| G_EVAL);
257	SPAGAIN;
258
259	fh = SvREFCNT_inc (POPs);
260
261	PUSHMARK (SP);
262	XPUSHs (sv_2mortal (fh));
263	}
264	}
265
266	if (SvOK (req->callback) && !req->cancelled)
267	{
268	PUTBACK;
269	call_sv (req->callback, G_VOID \| G_EVAL);
270	SPAGAIN;
271
272	if (SvTRUE (ERRSV))
273	{
274	req_free (req);
275	croak (0);
276	}
277	}
278
279	LEAVE;
280
281	errno = errorno;
282	count++;	400	count++;
283	}	401	}
284		402
285	req_free (req);	403	req_free (req);
286	}	404	}
…		…
288	return count;	406	return count;
289	}	407	}
290		408
291	static void aio_proc(void arg);	409	static void aio_proc(void arg);
292		410
293	static void
294	start_thread (void)	411	static void start_thread (void)
295	{	412	{
296	sigset_t fullsigset, oldsigset;	413	sigset_t fullsigset, oldsigset;
297	pthread_t tid;	414	pthread_t tid;
298	pthread_attr_t attr;	415	pthread_attr_t attr;
299		416
…		…
308	started++;	425	started++;
309		426
310	sigprocmask (SIG_SETMASK, &oldsigset, 0);	427	sigprocmask (SIG_SETMASK, &oldsigset, 0);
311	}	428	}
312		429
313	static void
314	req_send (aio_req req)	430	static void req_send (aio_req req)
315	{	431	{
316	while (started < wanted && nreqs >= started)	432	while (started < wanted && nreqs >= started)
317	start_thread ();	433	start_thread ();
318		434
319	nreqs++;	435	++nreqs;
320		436
321	pthread_mutex_lock (&reqlock);	437	pthread_mutex_lock (&reqlock);
322		438
323	req->next = 0;	439	req->next = 0;
324		440
…		…
343		459
344	poll_wait ();	460	poll_wait ();
345	}	461	}
346	}	462	}
347		463
348	static void	464	static void end_thread (void)
349	end_thread (void)
350	{	465	{
351	aio_req req;	466	aio_req req;
352	Newz (0, req, 1, aio_cb);	467	Newz (0, req, 1, aio_cb);
353	req->type = REQ_QUIT;	468	req->type = REQ_QUIT;
354		469
…		…
405	* normal read/write by using a mutex. slows down execution a lot,	520	* normal read/write by using a mutex. slows down execution a lot,
406	* but that's your problem, not mine.	521	* but that's your problem, not mine.
407	*/	522	*/
408	static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER;	523	static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER;
409		524
410	static ssize_t	525	static ssize_t pread (int fd, void *buf, size_t count, off_t offset)
411	pread (int fd, void *buf, size_t count, off_t offset)
412	{	526	{
413	ssize_t res;	527	ssize_t res;
414	off_t ooffset;	528	off_t ooffset;
415		529
416	pthread_mutex_lock (&preadwritelock);	530	pthread_mutex_lock (&preadwritelock);
…		…
421	pthread_mutex_unlock (&preadwritelock);	535	pthread_mutex_unlock (&preadwritelock);
422		536
423	return res;	537	return res;
424	}	538	}
425		539
426	static ssize_t
427	pwrite (int fd, void *buf, size_t count, off_t offset)	540	static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset)
428	{	541	{
429	ssize_t res;	542	ssize_t res;
430	off_t ooffset;	543	off_t ooffset;
431		544
432	pthread_mutex_lock (&preadwritelock);	545	pthread_mutex_lock (&preadwritelock);
…		…
445	#endif	558	#endif
446		559
447	#if !HAVE_READAHEAD	560	#if !HAVE_READAHEAD
448	# define readahead aio_readahead	561	# define readahead aio_readahead
449		562
450	static ssize_t
451	readahead (int fd, off_t offset, size_t count)	563	static ssize_t readahead (int fd, off_t offset, size_t count)
452	{	564	{
453	char readahead_buf[4096];	565	char readahead_buf[4096];
454		566
455	while (count > 0)	567	while (count > 0)
456	{	568	{
…		…
468	#if !HAVE_READDIR_R	580	#if !HAVE_READDIR_R
469	# define readdir_r aio_readdir_r	581	# define readdir_r aio_readdir_r
470		582
471	static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER;	583	static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER;
472		584
473	static int
474	readdir_r (DIR dirp, struct dirent ent, struct dirent **res)	585	static int readdir_r (DIR dirp, struct dirent ent, struct dirent **res)
475	{	586	{
476	struct dirent *e;	587	struct dirent *e;
477	int errorno;	588	int errorno;
478		589
479	pthread_mutex_lock (&readdirlock);	590	pthread_mutex_lock (&readdirlock);
…		…
495	return e ? 0 : -1;	606	return e ? 0 : -1;
496	}	607	}
497	#endif	608	#endif
498		609
499	/* sendfile always needs emulation */	610	/* sendfile always needs emulation */
500	static ssize_t
501	sendfile_ (int ofd, int ifd, off_t offset, size_t count)	611	static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count)
502	{	612	{
503	ssize_t res;	613	ssize_t res;
504		614
505	if (!count)	615	if (!count)
506	return 0;	616	return 0;
…		…
588		698
589	return res;	699	return res;
590	}	700	}
591		701
592	/* read a full directory */	702	/* read a full directory */
593	static int
594	scandir_ (const char path, void *namesp)	703	static int scandir_ (const char path, void *namesp)
595	{	704	{
596	DIR *dirp = opendir (path);	705	DIR *dirp = opendir (path);
597	union	706	union
598	{	707	{
599	struct dirent d;	708	struct dirent d;
…		…
653	return res;	762	return res;
654	}	763	}
655		764
656	/*****************************************************************************/	765	/*****************************************************************************/
657		766
658	static void *
659	aio_proc (void *thr_arg)	767	static void aio_proc (void thr_arg)
660	{	768	{
661	aio_req req;	769	aio_req req;
662	int type;	770	int type;
663		771
664	do	772	do
…		…
683		791
684	pthread_mutex_unlock (&reqlock);	792	pthread_mutex_unlock (&reqlock);
685		793
686	errno = 0; /* strictly unnecessary */	794	errno = 0; /* strictly unnecessary */
687		795
688	if (!req->cancelled)	796	if (!(req->flags & FLAG_CANCELLED))
689	switch (req->type)	797	switch (type = req->type) /* remember type for QUIT check */
690	{	798	{
691	case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break;	799	case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break;
692	case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break;	800	case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break;
693		801
694	case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break;	802	case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break;
…		…
708		816
709	case REQ_FDATASYNC: req->result = fdatasync (req->fd); break;	817	case REQ_FDATASYNC: req->result = fdatasync (req->fd); break;
710	case REQ_FSYNC: req->result = fsync (req->fd); break;	818	case REQ_FSYNC: req->result = fsync (req->fd); break;
711	case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break;	819	case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break;
712		820
		821	case REQ_SLEEP:
		822	{
		823	struct timeval tv;
		824
		825	tv.tv_sec = req->fd;
		826	tv.tv_usec = req->fd2;
		827
		828	req->result = select (0, 0, 0, 0, &tv);
		829	}
		830
		831	case REQ_GROUP:
		832	case REQ_NOP:
713	case REQ_QUIT:	833	case REQ_QUIT:
714	break;	834	break;
715		835
716	default:	836	default:
717	req->result = ENOSYS;	837	req->result = ENOSYS;
…		…
1073		1193
1074	REQ_SEND;	1194	REQ_SEND;
1075	}	1195	}
1076		1196
1077	void	1197	void
		1198	aio_sleep (delay,callback=&PL_sv_undef)
		1199	double delay
		1200	SV * callback
		1201	PPCODE:
		1202	{
		1203	dREQ;
		1204
		1205	req->type = REQ_SLEEP;
		1206	req->fd = delay < 0. ? 0 : delay;
		1207	req->fd2 = delay < 0. ? 0 : 1000. * (delay - req->fd);
		1208
		1209	REQ_SEND;
		1210	}
		1211
		1212	void
1078	aio_group (callback=&PL_sv_undef)	1213	aio_group (callback=&PL_sv_undef)
1079	SV * callback	1214	SV * callback
1080	PROTOTYPE: ;&	1215	PROTOTYPE: ;$
1081	PPCODE:	1216	PPCODE:
1082	{	1217	{
1083	dREQ;	1218	dREQ;
1084	req->type = REQ_GROUP;	1219	req->type = REQ_GROUP;
		1220	req_send (req);
1085	XPUSHs (req_sv (req, AIO_GRP_KLASS));	1221	XPUSHs (req_sv (req, AIO_GRP_KLASS));
		1222	}
		1223
		1224	void
		1225	aio_nop (callback=&PL_sv_undef)
		1226	SV * callback
		1227	PPCODE:
		1228	{
		1229	dREQ;
		1230
		1231	req->type = REQ_NOP;
		1232
		1233	REQ_SEND;
1086	}	1234	}
1087		1235
1088	void	1236	void
1089	flush ()	1237	flush ()
1090	PROTOTYPE:	1238	PROTOTYPE:
…		…
1134	CODE:	1282	CODE:
1135	RETVAL = nreqs;	1283	RETVAL = nreqs;
1136	OUTPUT:	1284	OUTPUT:
1137	RETVAL	1285	RETVAL
1138		1286
		1287	PROTOTYPES: DISABLE
		1288
1139	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1289	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1140		1290
1141	void	1291	void
1142	cancel (aio_req_ornot req)	1292	cancel (aio_req_ornot req)
1143	PROTOTYPE:	1293	PROTOTYPE:
1144	CODE:	1294	CODE:
1145	req->cancelled = 1;	1295	req_cancel (req);
1146		1296
		1297	void
		1298	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)
		1299	CODE:
		1300	SvREFCNT_dec (req->callback);
		1301	req->callback = newSVsv (callback);
		1302
		1303	MODULE = IO::AIO PACKAGE = IO::AIO::GRP
		1304
		1305	void
		1306	add (aio_req grp, ...)
		1307	PPCODE:
		1308	{
		1309	int i;
		1310	aio_req req;
		1311
		1312	if (grp->fd == 2)
		1313	croak ("cannot add requests to IO::AIO::GRP after the group finished");
		1314
		1315	for (i = 1; i < items; ++i )
		1316	{
		1317	if (GIMME_V != G_VOID)
		1318	XPUSHs (sv_2mortal (newSVsv (ST (i))));
		1319
		1320	req = SvAIO_REQ (ST (i));
		1321
		1322	if (req)
		1323	{
		1324	++grp->length;
		1325	req->grp = grp;
		1326
		1327	req->grp_prev = 0;
		1328	req->grp_next = grp->grp_first;
		1329
		1330	if (grp->grp_first)
		1331	grp->grp_first->grp_prev = req;
		1332
		1333	grp->grp_first = req;
		1334	}
		1335	}
		1336	}
		1337
		1338	void
		1339	result (aio_req grp, ...)
		1340	CODE:
		1341	{
		1342	int i;
		1343	AV *av = newAV ();
		1344
		1345	for (i = 1; i < items; ++i )
		1346	av_push (av, newSVsv (ST (i)));
		1347
		1348	SvREFCNT_dec (grp->data);
		1349	grp->data = (SV *)av;
		1350	}
		1351
		1352	void
		1353	feed_limit (aio_req grp, int limit)
		1354	CODE:
		1355	grp->fd2 = limit;
		1356	aio_grp_feed (grp);
		1357
		1358	void
		1359	feed (aio_req grp, SV *callback=&PL_sv_undef)
		1360	CODE:
		1361	{
		1362	SvREFCNT_dec (grp->fh2);
		1363	grp->fh2 = newSVsv (callback);
		1364
		1365	if (grp->fd2 <= 0)
		1366	grp->fd2 = 2;
		1367
		1368	aio_grp_feed (grp);
		1369	}
		1370

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Comparing IO-AIO/AIO.xs (file contents): Revision 1.44 by root, Sat Oct 21 23:20:29 2006 UTC vs. Revision 1.59 by root, Mon Oct 23 18:56:27 2006 UTC

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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.44 by root, Sat Oct 21 23:20:29 2006 UTC vs.
Revision 1.59 by root, Mon Oct 23 18:56:27 2006 UTC