[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 1.53 by root, Mon Oct 23 00:17:07 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,
		60	REQ_SLEEP,
58	REQ_GROUP,	61	REQ_GROUP,
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;
…		…
85	unsigned char cancelled;	88	unsigned char cancelled;
86	} aio_cb;	89	} aio_cb;
87		90
88	typedef aio_cb *aio_req;	91	typedef aio_cb *aio_req;
89	typedef aio_cb *aio_req_ornot;	92	typedef aio_cb *aio_req_ornot;
90	typedef aio_cb *aio_group;
91		93
92	static int started, wanted;	94	static int started, wanted;
93	static volatile int nreqs;	95	static volatile int nreqs;
94	static int max_outstanding = 1<<30;	96	static int max_outstanding = 1<<30;
95	static int respipe [2];	97	static int respipe [2];
…		…
99	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;	101	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;
100		102
101	static volatile aio_req reqs, reqe; /* queue start, queue end */	103	static volatile aio_req reqs, reqe; /* queue start, queue end */
102	static volatile aio_req ress, rese; /* queue start, queue end */	104	static volatile aio_req ress, rese; /* queue start, queue end */
103		105
		106	static void req_invoke (aio_req req);
		107	static void req_free (aio_req req);
		108
104	/* must be called at most once */	109	/* must be called at most once */
105	static SV req_sv (aio_req req, const char klass)	110	static SV req_sv (aio_req req, const char klass)
106	{	111	{
		112	if (!req->self)
		113	{
107	req->self = (SV *)newHV ();	114	req->self = (SV *)newHV ();
108	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	115	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
		116	}
109		117
110	return sv_2mortal (sv_bless (newRV_noinc (req->self), gv_stashpv (klass, 1)));	118	return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1)));
111	}	119	}
112		120
113	static aio_req SvAIO_REQ (SV sv, const char klass)	121	static aio_req SvAIO_REQ (SV *sv)
114	{	122	{
		123	MAGIC *mg;
		124
115	if (!sv_derived_from (sv, klass) \|\| !SvROK (sv))	125	if (!sv_derived_from (sv, AIO_REQ_KLASS) \|\| !SvROK (sv))
116	croak ("object of class %s expected", klass);	126	croak ("object of class " AIO_REQ_KLASS " expected");
117		127
118	MAGIC *mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	128	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
119		129
120	return mg ? (aio_req)mg->mg_ptr : 0;	130	return mg ? (aio_req)mg->mg_ptr : 0;
121	}	131	}
122		132
123	static void req_free (aio_req req)	133	static void aio_grp_feed (aio_req grp)
124	{	134	{
125	if (req->self)	135	while (grp->length < grp->fd2)
126	{
127	sv_unmagic (req->self, PERL_MAGIC_ext);
128	SvREFCNT_dec (req->self);
129	}	136	{
		137	int old_len = grp->length;
130		138
131	if (req->data)	139	if (grp->fh2 && SvOK (grp->fh2))
132	SvREFCNT_dec (req->data);	140	{
		141	dSP;
133		142
134	if (req->fh)	143	ENTER;
135	SvREFCNT_dec (req->fh);	144	SAVETMPS;
		145	PUSHMARK (SP);
		146	XPUSHs (req_sv (grp, AIO_GRP_KLASS));
		147	PUTBACK;
		148	call_sv (grp->fh2, G_VOID \| G_EVAL);
		149	SPAGAIN;
		150	FREETMPS;
		151	LEAVE;
		152	}
136		153
137	if (req->fh2)	154	/* stop if no progress has been made */
		155	if (old_len == grp->length)
		156	{
138	SvREFCNT_dec (req->fh2);	157	SvREFCNT_dec (grp->fh2);
139		158	grp->fh2 = 0;
140	if (req->statdata)	159	break;
141	Safefree (req->statdata);	160	}
142		161	}
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	}	162	}
151		163
152	static void	164	static void aio_grp_dec (aio_req grp)
153	poll_wait ()	165	{
		166	--grp->length;
		167
		168	/* call feeder, if applicable */
		169	aio_grp_feed (grp);
		170
		171	/* finish, if done */
		172	if (!grp->length && grp->fd)
		173	{
		174	req_invoke (grp);
		175	req_free (grp);
		176	}
		177	}
		178
		179	static void poll_wait ()
154	{	180	{
155	if (nreqs && !ress)	181	if (nreqs && !ress)
156	{	182	{
157	fd_set rfd;	183	fd_set rfd;
158	FD_ZERO(&rfd);	184	FD_ZERO(&rfd);
…		…
160		186
161	select (respipe [0] + 1, &rfd, 0, 0, 0);	187	select (respipe [0] + 1, &rfd, 0, 0, 0);
162	}	188	}
163	}	189	}
164		190
165	static int	191	static void req_invoke (aio_req req)
166	poll_cb ()	192	{
		193	dSP;
		194	int errorno = errno;
		195
		196	if (req->cancelled \|\| !SvOK (req->callback))
		197	return;
		198
		199	errno = req->errorno;
		200
		201	ENTER;
		202	SAVETMPS;
		203	PUSHMARK (SP);
		204	EXTEND (SP, 1);
		205
		206	switch (req->type)
		207	{
		208	case REQ_READDIR:
		209	{
		210	SV *rv = &PL_sv_undef;
		211
		212	if (req->result >= 0)
		213	{
		214	char *buf = req->data2ptr;
		215	AV *av = newAV ();
		216
		217	while (req->result)
		218	{
		219	SV *sv = newSVpv (buf, 0);
		220
		221	av_push (av, sv);
		222	buf += SvCUR (sv) + 1;
		223	req->result--;
		224	}
		225
		226	rv = sv_2mortal (newRV_noinc ((SV *)av));
		227	}
		228
		229	PUSHs (rv);
		230	}
		231	break;
		232
		233	case REQ_OPEN:
		234	{
		235	/* convert fd to fh */
		236	SV *fh;
		237
		238	PUSHs (sv_2mortal (newSViv (req->result)));
		239	PUTBACK;
		240	call_pv ("IO::AIO::_fd2fh", G_SCALAR \| G_EVAL);
		241	SPAGAIN;
		242
		243	fh = SvREFCNT_inc (POPs);
		244
		245	PUSHMARK (SP);
		246	XPUSHs (sv_2mortal (fh));
		247	}
		248	break;
		249
		250	case REQ_GROUP:
		251	req->fd = 2; /* mark group as finished */
		252
		253	if (req->data)
		254	{
		255	int i;
		256	AV av = (AV )req->data;
		257
		258	EXTEND (SP, AvFILL (av) + 1);
		259	for (i = 0; i <= AvFILL (av); ++i)
		260	PUSHs (*av_fetch (av, i, 0));
		261	}
		262	break;
		263
		264	case REQ_SLEEP:
		265	break;
		266
		267	default:
		268	PUSHs (sv_2mortal (newSViv (req->result)));
		269	break;
		270	}
		271
		272
		273	PUTBACK;
		274	call_sv (req->callback, G_VOID \| G_EVAL);
		275	SPAGAIN;
		276
		277	FREETMPS;
		278	LEAVE;
		279
		280	errno = errorno;
		281
		282	if (SvTRUE (ERRSV))
		283	{
		284	req_free (req);
		285	croak (0);
		286	}
		287	}
		288
		289	static void req_free (aio_req req)
		290	{
		291	if (req->grp)
		292	{
		293	aio_req grp = req->grp;
		294
		295	/* unlink request */
		296	if (req->grp_next) req->grp_next->grp_prev = req->grp_prev;
		297	if (req->grp_prev) req->grp_prev->grp_next = req->grp_next;
		298
		299	if (grp->grp_first == req)
		300	grp->grp_first = req->grp_next;
		301
		302	aio_grp_dec (grp);
		303	}
		304
		305	if (req->self)
		306	{
		307	sv_unmagic (req->self, PERL_MAGIC_ext);
		308	SvREFCNT_dec (req->self);
		309	}
		310
		311	SvREFCNT_dec (req->data);
		312	SvREFCNT_dec (req->fh);
		313	SvREFCNT_dec (req->fh2);
		314	SvREFCNT_dec (req->callback);
		315	Safefree (req->statdata);
		316
		317	if (req->type == REQ_READDIR && req->result >= 0)
		318	free (req->data2ptr);
		319
		320	Safefree (req);
		321	}
		322
		323	static void req_cancel (aio_req req)
		324	{
		325	req->cancelled = 1;
		326
		327	if (req->type == REQ_GROUP)
		328	{
		329	aio_req sub;
		330
		331	for (sub = req->grp_first; sub; sub = sub->grp_next)
		332	req_cancel (sub);
		333	}
		334	}
		335
		336	static int poll_cb ()
167	{	337	{
168	dSP;	338	dSP;
169	int count = 0;	339	int count = 0;
170	int do_croak = 0;	340	int do_croak = 0;
171	aio_req req;	341	aio_req req;
…		…
193	pthread_mutex_unlock (&reslock);	363	pthread_mutex_unlock (&reslock);
194		364
195	if (!req)	365	if (!req)
196	break;	366	break;
197		367
198	nreqs--;	368	--nreqs;
199		369
200	if (req->type == REQ_QUIT)	370	if (req->type == REQ_QUIT)
201	started--;	371	started--;
		372	else if (req->type == REQ_GROUP && req->length)
		373	{
		374	req->fd = 1; /* mark request as delayed */
		375	continue;
		376	}
202	else	377	else
203	{	378	{
204	int errorno = errno;
205	errno = req->errorno;
206
207	if (req->type == REQ_READ)	379	if (req->type == REQ_READ)
208	SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0));	380	SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0));
209		381
210	if (req->data2ptr && (req->type == REQ_READ \|\| req->type == REQ_WRITE))	382	if (req->data2ptr && (req->type == REQ_READ \|\| req->type == REQ_WRITE))
211	SvREADONLY_off (req->data);	383	SvREADONLY_off (req->data);
…		…
215	PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT;	387	PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT;
216	PL_laststatval = req->result;	388	PL_laststatval = req->result;
217	PL_statcache = *(req->statdata);	389	PL_statcache = *(req->statdata);
218	}	390	}
219		391
220	ENTER;	392	req_invoke (req);
221	PUSHMARK (SP);
222		393
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++;	394	count++;
283	}	395	}
284		396
285	req_free (req);	397	req_free (req);
286	}	398	}
…		…
288	return count;	400	return count;
289	}	401	}
290		402
291	static void aio_proc(void arg);	403	static void aio_proc(void arg);
292		404
293	static void
294	start_thread (void)	405	static void start_thread (void)
295	{	406	{
296	sigset_t fullsigset, oldsigset;	407	sigset_t fullsigset, oldsigset;
297	pthread_t tid;	408	pthread_t tid;
298	pthread_attr_t attr;	409	pthread_attr_t attr;
299		410
…		…
308	started++;	419	started++;
309		420
310	sigprocmask (SIG_SETMASK, &oldsigset, 0);	421	sigprocmask (SIG_SETMASK, &oldsigset, 0);
311	}	422	}
312		423
313	static void
314	req_send (aio_req req)	424	static void req_send (aio_req req)
315	{	425	{
316	while (started < wanted && nreqs >= started)	426	while (started < wanted && nreqs >= started)
317	start_thread ();	427	start_thread ();
318		428
319	nreqs++;	429	++nreqs;
320		430
321	pthread_mutex_lock (&reqlock);	431	pthread_mutex_lock (&reqlock);
322		432
323	req->next = 0;	433	req->next = 0;
324		434
…		…
343		453
344	poll_wait ();	454	poll_wait ();
345	}	455	}
346	}	456	}
347		457
348	static void	458	static void end_thread (void)
349	end_thread (void)
350	{	459	{
351	aio_req req;	460	aio_req req;
352	Newz (0, req, 1, aio_cb);	461	Newz (0, req, 1, aio_cb);
353	req->type = REQ_QUIT;	462	req->type = REQ_QUIT;
354		463
…		…
405	* normal read/write by using a mutex. slows down execution a lot,	514	* normal read/write by using a mutex. slows down execution a lot,
406	* but that's your problem, not mine.	515	* but that's your problem, not mine.
407	*/	516	*/
408	static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER;	517	static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER;
409		518
410	static ssize_t	519	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	{	520	{
413	ssize_t res;	521	ssize_t res;
414	off_t ooffset;	522	off_t ooffset;
415		523
416	pthread_mutex_lock (&preadwritelock);	524	pthread_mutex_lock (&preadwritelock);
…		…
421	pthread_mutex_unlock (&preadwritelock);	529	pthread_mutex_unlock (&preadwritelock);
422		530
423	return res;	531	return res;
424	}	532	}
425		533
426	static ssize_t
427	pwrite (int fd, void *buf, size_t count, off_t offset)	534	static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset)
428	{	535	{
429	ssize_t res;	536	ssize_t res;
430	off_t ooffset;	537	off_t ooffset;
431		538
432	pthread_mutex_lock (&preadwritelock);	539	pthread_mutex_lock (&preadwritelock);
…		…
445	#endif	552	#endif
446		553
447	#if !HAVE_READAHEAD	554	#if !HAVE_READAHEAD
448	# define readahead aio_readahead	555	# define readahead aio_readahead
449		556
450	static ssize_t
451	readahead (int fd, off_t offset, size_t count)	557	static ssize_t readahead (int fd, off_t offset, size_t count)
452	{	558	{
453	char readahead_buf[4096];	559	char readahead_buf[4096];
454		560
455	while (count > 0)	561	while (count > 0)
456	{	562	{
…		…
468	#if !HAVE_READDIR_R	574	#if !HAVE_READDIR_R
469	# define readdir_r aio_readdir_r	575	# define readdir_r aio_readdir_r
470		576
471	static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER;	577	static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER;
472		578
473	static int
474	readdir_r (DIR dirp, struct dirent ent, struct dirent **res)	579	static int readdir_r (DIR dirp, struct dirent ent, struct dirent **res)
475	{	580	{
476	struct dirent *e;	581	struct dirent *e;
477	int errorno;	582	int errorno;
478		583
479	pthread_mutex_lock (&readdirlock);	584	pthread_mutex_lock (&readdirlock);
…		…
495	return e ? 0 : -1;	600	return e ? 0 : -1;
496	}	601	}
497	#endif	602	#endif
498		603
499	/* sendfile always needs emulation */	604	/* sendfile always needs emulation */
500	static ssize_t
501	sendfile_ (int ofd, int ifd, off_t offset, size_t count)	605	static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count)
502	{	606	{
503	ssize_t res;	607	ssize_t res;
504		608
505	if (!count)	609	if (!count)
506	return 0;	610	return 0;
…		…
588		692
589	return res;	693	return res;
590	}	694	}
591		695
592	/* read a full directory */	696	/* read a full directory */
593	static int
594	scandir_ (const char path, void *namesp)	697	static int scandir_ (const char path, void *namesp)
595	{	698	{
596	DIR *dirp = opendir (path);	699	DIR *dirp = opendir (path);
597	union	700	union
598	{	701	{
599	struct dirent d;	702	struct dirent d;
…		…
653	return res;	756	return res;
654	}	757	}
655		758
656	/*****************************************************************************/	759	/*****************************************************************************/
657		760
658	static void *
659	aio_proc (void *thr_arg)	761	static void aio_proc (void thr_arg)
660	{	762	{
661	aio_req req;	763	aio_req req;
662	int type;	764	int type;
663		765
664	do	766	do
…		…
684	pthread_mutex_unlock (&reqlock);	786	pthread_mutex_unlock (&reqlock);
685		787
686	errno = 0; /* strictly unnecessary */	788	errno = 0; /* strictly unnecessary */
687		789
688	if (!req->cancelled)	790	if (!req->cancelled)
689	switch (req->type)	791	switch (type = req->type) /* remember type for QUIT check */
690	{	792	{
691	case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break;	793	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;	794	case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break;
693		795
694	case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break;	796	case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break;
…		…
707	case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break;	809	case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break;
708		810
709	case REQ_FDATASYNC: req->result = fdatasync (req->fd); break;	811	case REQ_FDATASYNC: req->result = fdatasync (req->fd); break;
710	case REQ_FSYNC: req->result = fsync (req->fd); break;	812	case REQ_FSYNC: req->result = fsync (req->fd); break;
711	case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break;	813	case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break;
		814
		815	case REQ_SLEEP:
		816	{
		817	struct timeval tv;
		818
		819	tv.tv_sec = req->fd;
		820	tv.tv_usec = req->fd2;
		821
		822	req->result = select (0, 0, 0, 0, &tv);
		823	}
712		824
713	case REQ_QUIT:	825	case REQ_QUIT:
714	break;	826	break;
715		827
716	default:	828	default:
…		…
1073		1185
1074	REQ_SEND;	1186	REQ_SEND;
1075	}	1187	}
1076		1188
1077	void	1189	void
		1190	aio_sleep (delay,callback=&PL_sv_undef)
		1191	double delay
		1192	SV * callback
		1193	PPCODE:
		1194	{
		1195	dREQ;
		1196
		1197	req->type = REQ_SLEEP;
		1198	req->fd = delay < 0. ? 0 : delay;
		1199	req->fd2 = delay < 0. ? 0 : 1000. * (delay - req->fd);
		1200
		1201	REQ_SEND;
		1202	}
		1203
		1204	void
1078	aio_group (callback=&PL_sv_undef)	1205	aio_group (callback=&PL_sv_undef)
1079	SV * callback	1206	SV * callback
1080	PROTOTYPE: ;&	1207	PROTOTYPE: ;$
1081	PPCODE:	1208	PPCODE:
1082	{	1209	{
1083	dREQ;	1210	dREQ;
1084	req->type = REQ_GROUP;	1211	req->type = REQ_GROUP;
		1212	req_send (req);
1085	XPUSHs (req_sv (req, AIO_GRP_KLASS));	1213	XPUSHs (req_sv (req, AIO_GRP_KLASS));
1086	}	1214	}
1087		1215
1088	void	1216	void
1089	flush ()	1217	flush ()
…		…
1134	CODE:	1262	CODE:
1135	RETVAL = nreqs;	1263	RETVAL = nreqs;
1136	OUTPUT:	1264	OUTPUT:
1137	RETVAL	1265	RETVAL
1138		1266
		1267	PROTOTYPES: DISABLE
		1268
1139	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1269	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1140		1270
1141	void	1271	void
1142	cancel (aio_req_ornot req)	1272	cancel (aio_req_ornot req)
1143	PROTOTYPE:	1273	PROTOTYPE:
1144	CODE:	1274	CODE:
1145	req->cancelled = 1;	1275	req_cancel (req);
1146		1276
		1277	MODULE = IO::AIO PACKAGE = IO::AIO::GRP
		1278
		1279	void
		1280	add (aio_req grp, ...)
		1281	PPCODE:
		1282	{
		1283	int i;
		1284	aio_req req;
		1285
		1286	if (grp->fd == 2)
		1287	croak ("cannot add requests to IO::AIO::GRP after the group finished");
		1288
		1289	for (i = 1; i < items; ++i )
		1290	{
		1291	if (GIMME_V != G_VOID)
		1292	XPUSHs (sv_2mortal (newSVsv (ST (i))));
		1293
		1294	req = SvAIO_REQ (ST (i));
		1295
		1296	if (req)
		1297	{
		1298	++grp->length;
		1299	req->grp = grp;
		1300
		1301	req->grp_prev = 0;
		1302	req->grp_next = grp->grp_first;
		1303
		1304	if (grp->grp_first)
		1305	grp->grp_first->grp_prev = req;
		1306
		1307	grp->grp_first = req;
		1308	}
		1309	}
		1310	}
		1311
		1312	void
		1313	result (aio_req grp, ...)
		1314	CODE:
		1315	{
		1316	int i;
		1317	AV *av = newAV ();
		1318
		1319	for (i = 1; i < items; ++i )
		1320	av_push (av, newSVsv (ST (i)));
		1321
		1322	SvREFCNT_dec (grp->data);
		1323	grp->data = (SV *)av;
		1324	}
		1325
		1326	void
		1327	lock (aio_req grp)
		1328	CODE:
		1329	++grp->length;
		1330
		1331	void
		1332	unlock (aio_req grp)
		1333	CODE:
		1334	aio_grp_dec (grp);
		1335
		1336	void
		1337	feeder_limit (aio_req grp, int limit)
		1338	CODE:
		1339	grp->fd2 = limit;
		1340	aio_grp_feed (grp);
		1341
		1342	void
		1343	set_feeder (aio_req grp, SV *callback=&PL_sv_undef)
		1344	CODE:
		1345	{
		1346	SvREFCNT_dec (grp->fh2);
		1347	grp->fh2 = newSVsv (callback);
		1348
		1349	if (grp->fd2 <= 0)
		1350	grp->fd2 = 2;
		1351
		1352	aio_grp_feed (grp);
		1353	}
		1354

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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 1.53 by root, Mon Oct 23 00:17:07 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 1.53 by root, Mon Oct 23 00:17:07 2006 UTC