[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 1.61 by root, Mon Oct 23 22:44:21 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;
69
70	SV self; / the perl counterpart of this request, if any */
71		70
72	SV data, callback;	71	SV data, callback;
73	SV fh, fh2;	72	SV fh, fh2;
74	void dataptr, data2ptr;	73	void dataptr, data2ptr;
75	Stat_t *statdata;	74	Stat_t *statdata;
76	off_t offset;	75	off_t offset;
77	size_t length;	76	size_t length;
78	ssize_t result;	77	ssize_t result;
79		78
		79	STRLEN dataoffset;
80	int type;	80	int type;
81	int fd, fd2;	81	int fd, fd2;
82	int errorno;	82	int errorno;
83	STRLEN dataoffset;
84	mode_t mode; /* open */	83	mode_t mode; /* open */
		84
85	unsigned char cancelled;	85	unsigned char flags;
		86	unsigned char pri;
		87
		88	SV self; / the perl counterpart of this request, if any */
		89	struct aio_cb grp, grp_prev, grp_next, grp_first;
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;	98
		99	enum {
		100	PRI_MIN = -4,
		101	PRI_MAX = 4,
		102
		103	DEFAULT_PRI = 0,
		104	PRI_BIAS = -PRI_MIN,
		105	};
		106
		107	static int next_pri = DEFAULT_PRI + PRI_BIAS;
91		108
92	static int started, wanted;	109	static int started, wanted;
93	static volatile int nreqs;	110	static volatile int nreqs;
94	static int max_outstanding = 1<<30;	111	static int max_outstanding = 1<<30;
95	static int respipe [2];	112	static int respipe [2];
…		…
99	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;	116	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;
100		117
101	static volatile aio_req reqs, reqe; /* queue start, queue end */	118	static volatile aio_req reqs, reqe; /* queue start, queue end */
102	static volatile aio_req ress, rese; /* queue start, queue end */	119	static volatile aio_req ress, rese; /* queue start, queue end */
103		120
		121	static void req_invoke (aio_req req);
		122	static void req_free (aio_req req);
		123
104	/* must be called at most once */	124	/* must be called at most once */
105	static SV req_sv (aio_req req, const char klass)	125	static SV req_sv (aio_req req, const char klass)
106	{	126	{
		127	if (!req->self)
		128	{
107	req->self = (SV *)newHV ();	129	req->self = (SV *)newHV ();
108	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	130	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
		131	}
109		132
110	return sv_2mortal (sv_bless (newRV_noinc (req->self), gv_stashpv (klass, 1)));	133	return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1)));
111	}	134	}
112		135
113	static aio_req SvAIO_REQ (SV sv, const char klass)	136	static aio_req SvAIO_REQ (SV *sv)
114	{	137	{
		138	MAGIC *mg;
		139
115	if (!sv_derived_from (sv, klass) \|\| !SvROK (sv))	140	if (!sv_derived_from (sv, AIO_REQ_KLASS) \|\| !SvROK (sv))
116	croak ("object of class %s expected", klass);	141	croak ("object of class " AIO_REQ_KLASS " expected");
117		142
118	MAGIC *mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	143	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
119		144
120	return mg ? (aio_req)mg->mg_ptr : 0;	145	return mg ? (aio_req)mg->mg_ptr : 0;
121	}	146	}
122		147
123	static void req_free (aio_req req)	148	static void aio_grp_feed (aio_req grp)
124	{	149	{
125	if (req->self)	150	while (grp->length < grp->fd2 && !(grp->flags & FLAG_CANCELLED))
126	{
127	sv_unmagic (req->self, PERL_MAGIC_ext);
128	SvREFCNT_dec (req->self);
129	}	151	{
		152	int old_len = grp->length;
130		153
131	if (req->data)	154	if (grp->fh2 && SvOK (grp->fh2))
132	SvREFCNT_dec (req->data);	155	{
		156	dSP;
133		157
134	if (req->fh)	158	ENTER;
135	SvREFCNT_dec (req->fh);	159	SAVETMPS;
		160	PUSHMARK (SP);
		161	XPUSHs (req_sv (grp, AIO_GRP_KLASS));
		162	PUTBACK;
		163	call_sv (grp->fh2, G_VOID \| G_EVAL);
		164	SPAGAIN;
		165	FREETMPS;
		166	LEAVE;
		167	}
136		168
137	if (req->fh2)	169	/* stop if no progress has been made */
		170	if (old_len == grp->length)
		171	{
138	SvREFCNT_dec (req->fh2);	172	SvREFCNT_dec (grp->fh2);
139		173	grp->fh2 = 0;
140	if (req->statdata)	174	break;
141	Safefree (req->statdata);	175	}
142
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	}
151
152	static void
153	poll_wait ()
154	{
155	if (nreqs && !ress)
156	{	176	}
		177	}
		178
		179	static void aio_grp_dec (aio_req grp)
		180	{
		181	--grp->length;
		182
		183	/* call feeder, if applicable */
		184	aio_grp_feed (grp);
		185
		186	/* finish, if done */
		187	if (!grp->length && grp->fd)
		188	{
		189	req_invoke (grp);
		190	req_free (grp);
		191	}
		192	}
		193
		194	static void poll_wait ()
		195	{
		196	while (nreqs)
		197	{
		198	aio_req req;
		199	pthread_mutex_lock (&reslock);
		200	req = ress;
		201	pthread_mutex_unlock (&reslock);
		202
		203	if (req)
		204	return;
		205
157	fd_set rfd;	206	fd_set rfd;
158	FD_ZERO(&rfd);	207	FD_ZERO(&rfd);
159	FD_SET(respipe [0], &rfd);	208	FD_SET(respipe [0], &rfd);
160		209
161	select (respipe [0] + 1, &rfd, 0, 0, 0);	210	select (respipe [0] + 1, &rfd, 0, 0, 0);
162	}	211	}
163	}	212	}
164		213
165	static int	214	static void req_invoke (aio_req req)
166	poll_cb ()	215	{
		216	dSP;
		217	int errorno = errno;
		218
		219	if (req->flags & FLAG_CANCELLED \|\| !SvOK (req->callback))
		220	return;
		221
		222	errno = req->errorno;
		223
		224	ENTER;
		225	SAVETMPS;
		226	PUSHMARK (SP);
		227	EXTEND (SP, 1);
		228
		229	switch (req->type)
		230	{
		231	case REQ_READDIR:
		232	{
		233	SV *rv = &PL_sv_undef;
		234
		235	if (req->result >= 0)
		236	{
		237	char *buf = req->data2ptr;
		238	AV *av = newAV ();
		239
		240	while (req->result)
		241	{
		242	SV *sv = newSVpv (buf, 0);
		243
		244	av_push (av, sv);
		245	buf += SvCUR (sv) + 1;
		246	req->result--;
		247	}
		248
		249	rv = sv_2mortal (newRV_noinc ((SV *)av));
		250	}
		251
		252	PUSHs (rv);
		253	}
		254	break;
		255
		256	case REQ_OPEN:
		257	{
		258	/* convert fd to fh */
		259	SV *fh;
		260
		261	PUSHs (sv_2mortal (newSViv (req->result)));
		262	PUTBACK;
		263	call_pv ("IO::AIO::_fd2fh", G_SCALAR \| G_EVAL);
		264	SPAGAIN;
		265
		266	fh = SvREFCNT_inc (POPs);
		267
		268	PUSHMARK (SP);
		269	XPUSHs (sv_2mortal (fh));
		270	}
		271	break;
		272
		273	case REQ_GROUP:
		274	req->fd = 2; /* mark group as finished */
		275
		276	if (req->data)
		277	{
		278	int i;
		279	AV av = (AV )req->data;
		280
		281	EXTEND (SP, AvFILL (av) + 1);
		282	for (i = 0; i <= AvFILL (av); ++i)
		283	PUSHs (*av_fetch (av, i, 0));
		284	}
		285	break;
		286
		287	case REQ_NOP:
		288	case REQ_SLEEP:
		289	break;
		290
		291	default:
		292	PUSHs (sv_2mortal (newSViv (req->result)));
		293	break;
		294	}
		295
		296
		297	PUTBACK;
		298	call_sv (req->callback, G_VOID \| G_EVAL);
		299	SPAGAIN;
		300
		301	FREETMPS;
		302	LEAVE;
		303
		304	errno = errorno;
		305
		306	if (SvTRUE (ERRSV))
		307	{
		308	req_free (req);
		309	croak (0);
		310	}
		311	}
		312
		313	static void req_free (aio_req req)
		314	{
		315	if (req->grp)
		316	{
		317	aio_req grp = req->grp;
		318
		319	/* unlink request */
		320	if (req->grp_next) req->grp_next->grp_prev = req->grp_prev;
		321	if (req->grp_prev) req->grp_prev->grp_next = req->grp_next;
		322
		323	if (grp->grp_first == req)
		324	grp->grp_first = req->grp_next;
		325
		326	aio_grp_dec (grp);
		327	}
		328
		329	if (req->self)
		330	{
		331	sv_unmagic (req->self, PERL_MAGIC_ext);
		332	SvREFCNT_dec (req->self);
		333	}
		334
		335	SvREFCNT_dec (req->data);
		336	SvREFCNT_dec (req->fh);
		337	SvREFCNT_dec (req->fh2);
		338	SvREFCNT_dec (req->callback);
		339	Safefree (req->statdata);
		340
		341	if (req->type == REQ_READDIR && req->result >= 0)
		342	free (req->data2ptr);
		343
		344	Safefree (req);
		345	}
		346
		347	static void req_cancel (aio_req req)
		348	{
		349	req->flags \|= FLAG_CANCELLED;
		350
		351	if (req->type == REQ_GROUP)
		352	{
		353	aio_req sub;
		354
		355	for (sub = req->grp_first; sub; sub = sub->grp_next)
		356	req_cancel (sub);
		357	}
		358	}
		359
		360	static int poll_cb ()
167	{	361	{
168	dSP;	362	dSP;
169	int count = 0;	363	int count = 0;
170	int do_croak = 0;	364	int do_croak = 0;
171	aio_req req;	365	aio_req req;
…		…
193	pthread_mutex_unlock (&reslock);	387	pthread_mutex_unlock (&reslock);
194		388
195	if (!req)	389	if (!req)
196	break;	390	break;
197		391
198	nreqs--;	392	--nreqs;
199		393
200	if (req->type == REQ_QUIT)	394	if (req->type == REQ_QUIT)
201	started--;	395	started--;
		396	else if (req->type == REQ_GROUP && req->length)
		397	{
		398	req->fd = 1; /* mark request as delayed */
		399	continue;
		400	}
202	else	401	else
203	{	402	{
204	int errorno = errno;
205	errno = req->errorno;
206
207	if (req->type == REQ_READ)	403	if (req->type == REQ_READ)
208	SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0));	404	SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0));
209		405
210	if (req->data2ptr && (req->type == REQ_READ \|\| req->type == REQ_WRITE))	406	if (req->data2ptr && (req->type == REQ_READ \|\| req->type == REQ_WRITE))
211	SvREADONLY_off (req->data);	407	SvREADONLY_off (req->data);
…		…
215	PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT;	411	PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT;
216	PL_laststatval = req->result;	412	PL_laststatval = req->result;
217	PL_statcache = *(req->statdata);	413	PL_statcache = *(req->statdata);
218	}	414	}
219		415
220	ENTER;	416	req_invoke (req);
221	PUSHMARK (SP);
222		417
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++;	418	count++;
283	}	419	}
284		420
285	req_free (req);	421	req_free (req);
286	}	422	}
…		…
288	return count;	424	return count;
289	}	425	}
290		426
291	static void aio_proc(void arg);	427	static void aio_proc(void arg);
292		428
293	static void
294	start_thread (void)	429	static void start_thread (void)
295	{	430	{
296	sigset_t fullsigset, oldsigset;	431	sigset_t fullsigset, oldsigset;
297	pthread_t tid;	432	pthread_t tid;
298	pthread_attr_t attr;	433	pthread_attr_t attr;
299		434
…		…
308	started++;	443	started++;
309		444
310	sigprocmask (SIG_SETMASK, &oldsigset, 0);	445	sigprocmask (SIG_SETMASK, &oldsigset, 0);
311	}	446	}
312		447
313	static void
314	req_send (aio_req req)	448	static void req_send (aio_req req)
315	{	449	{
316	while (started < wanted && nreqs >= started)	450	while (started < wanted && nreqs >= started)
317	start_thread ();	451	start_thread ();
318		452
319	nreqs++;	453	++nreqs;
320		454
321	pthread_mutex_lock (&reqlock);	455	pthread_mutex_lock (&reqlock);
322		456
323	req->next = 0;	457	req->next = 0;
324		458
…		…
343		477
344	poll_wait ();	478	poll_wait ();
345	}	479	}
346	}	480	}
347		481
348	static void	482	static void end_thread (void)
349	end_thread (void)
350	{	483	{
351	aio_req req;	484	aio_req req;
352	Newz (0, req, 1, aio_cb);	485	Newz (0, req, 1, aio_cb);
353	req->type = REQ_QUIT;	486	req->type = REQ_QUIT;
354		487
…		…
405	* normal read/write by using a mutex. slows down execution a lot,	538	* normal read/write by using a mutex. slows down execution a lot,
406	* but that's your problem, not mine.	539	* but that's your problem, not mine.
407	*/	540	*/
408	static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER;	541	static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER;
409		542
410	static ssize_t	543	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	{	544	{
413	ssize_t res;	545	ssize_t res;
414	off_t ooffset;	546	off_t ooffset;
415		547
416	pthread_mutex_lock (&preadwritelock);	548	pthread_mutex_lock (&preadwritelock);
…		…
421	pthread_mutex_unlock (&preadwritelock);	553	pthread_mutex_unlock (&preadwritelock);
422		554
423	return res;	555	return res;
424	}	556	}
425		557
426	static ssize_t
427	pwrite (int fd, void *buf, size_t count, off_t offset)	558	static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset)
428	{	559	{
429	ssize_t res;	560	ssize_t res;
430	off_t ooffset;	561	off_t ooffset;
431		562
432	pthread_mutex_lock (&preadwritelock);	563	pthread_mutex_lock (&preadwritelock);
…		…
445	#endif	576	#endif
446		577
447	#if !HAVE_READAHEAD	578	#if !HAVE_READAHEAD
448	# define readahead aio_readahead	579	# define readahead aio_readahead
449		580
450	static ssize_t
451	readahead (int fd, off_t offset, size_t count)	581	static ssize_t readahead (int fd, off_t offset, size_t count)
452	{	582	{
453	char readahead_buf[4096];	583	char readahead_buf[4096];
454		584
455	while (count > 0)	585	while (count > 0)
456	{	586	{
…		…
468	#if !HAVE_READDIR_R	598	#if !HAVE_READDIR_R
469	# define readdir_r aio_readdir_r	599	# define readdir_r aio_readdir_r
470		600
471	static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER;	601	static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER;
472		602
473	static int
474	readdir_r (DIR dirp, struct dirent ent, struct dirent **res)	603	static int readdir_r (DIR dirp, struct dirent ent, struct dirent **res)
475	{	604	{
476	struct dirent *e;	605	struct dirent *e;
477	int errorno;	606	int errorno;
478		607
479	pthread_mutex_lock (&readdirlock);	608	pthread_mutex_lock (&readdirlock);
…		…
495	return e ? 0 : -1;	624	return e ? 0 : -1;
496	}	625	}
497	#endif	626	#endif
498		627
499	/* sendfile always needs emulation */	628	/* sendfile always needs emulation */
500	static ssize_t
501	sendfile_ (int ofd, int ifd, off_t offset, size_t count)	629	static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count)
502	{	630	{
503	ssize_t res;	631	ssize_t res;
504		632
505	if (!count)	633	if (!count)
506	return 0;	634	return 0;
…		…
588		716
589	return res;	717	return res;
590	}	718	}
591		719
592	/* read a full directory */	720	/* read a full directory */
593	static int
594	scandir_ (const char path, void *namesp)	721	static int scandir_ (const char path, void *namesp)
595	{	722	{
596	DIR *dirp = opendir (path);	723	DIR *dirp = opendir (path);
597	union	724	union
598	{	725	{
599	struct dirent d;	726	struct dirent d;
…		…
653	return res;	780	return res;
654	}	781	}
655		782
656	/*****************************************************************************/	783	/*****************************************************************************/
657		784
658	static void *
659	aio_proc (void *thr_arg)	785	static void aio_proc (void thr_arg)
660	{	786	{
661	aio_req req;	787	aio_req req;
662	int type;	788	int type;
663		789
664	do	790	do
…		…
682	}	808	}
683		809
684	pthread_mutex_unlock (&reqlock);	810	pthread_mutex_unlock (&reqlock);
685		811
686	errno = 0; /* strictly unnecessary */	812	errno = 0; /* strictly unnecessary */
		813	type = req->type; /* remember type for QUIT check */
687		814
688	if (!req->cancelled)	815	if (!(req->flags & FLAG_CANCELLED))
689	switch (req->type)	816	switch (type)
690	{	817	{
691	case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break;	818	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;	819	case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break;
693		820
694	case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break;	821	case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break;
…		…
708		835
709	case REQ_FDATASYNC: req->result = fdatasync (req->fd); break;	836	case REQ_FDATASYNC: req->result = fdatasync (req->fd); break;
710	case REQ_FSYNC: req->result = fsync (req->fd); break;	837	case REQ_FSYNC: req->result = fsync (req->fd); break;
711	case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break;	838	case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break;
712		839
		840	case REQ_SLEEP:
		841	{
		842	struct timeval tv;
		843
		844	tv.tv_sec = req->fd;
		845	tv.tv_usec = req->fd2;
		846
		847	req->result = select (0, 0, 0, 0, &tv);
		848	}
		849
		850	case REQ_GROUP:
		851	case REQ_NOP:
713	case REQ_QUIT:	852	case REQ_QUIT:
714	break;	853	break;
715		854
716	default:	855	default:
717	req->result = ENOSYS;	856	req->result = ENOSYS;
…		…
801	atfork_parent ();	940	atfork_parent ();
802	}	941	}
803		942
804	#define dREQ \	943	#define dREQ \
805	aio_req req; \	944	aio_req req; \
		945	int req_pri = next_pri; \
		946	next_pri = DEFAULT_PRI + PRI_BIAS; \
806	\	947	\
807	if (SvOK (callback) && !SvROK (callback)) \	948	if (SvOK (callback) && !SvROK (callback)) \
808	croak ("callback must be undef or of reference type"); \	949	croak ("callback must be undef or of reference type"); \
809	\	950	\
810	Newz (0, req, 1, aio_cb); \	951	Newz (0, req, 1, aio_cb); \
811	if (!req) \	952	if (!req) \
812	croak ("out of memory during aio_req allocation"); \	953	croak ("out of memory during aio_req allocation"); \
813	\	954	\
814	req->callback = newSVsv (callback)	955	req->callback = newSVsv (callback); \
		956	req->pri = req_pri
815		957
816	#define REQ_SEND \	958	#define REQ_SEND \
817	req_send (req); \	959	req_send (req); \
818	\	960	\
819	if (GIMME_V != G_VOID) \	961	if (GIMME_V != G_VOID) \
…		…
1073		1215
1074	REQ_SEND;	1216	REQ_SEND;
1075	}	1217	}
1076		1218
1077	void	1219	void
		1220	aio_sleep (delay,callback=&PL_sv_undef)
		1221	double delay
		1222	SV * callback
		1223	PPCODE:
		1224	{
		1225	dREQ;
		1226
		1227	req->type = REQ_SLEEP;
		1228	req->fd = delay < 0. ? 0 : delay;
		1229	req->fd2 = delay < 0. ? 0 : 1000. * (delay - req->fd);
		1230
		1231	REQ_SEND;
		1232	}
		1233
		1234	void
1078	aio_group (callback=&PL_sv_undef)	1235	aio_group (callback=&PL_sv_undef)
1079	SV * callback	1236	SV * callback
1080	PROTOTYPE: ;&	1237	PROTOTYPE: ;$
1081	PPCODE:	1238	PPCODE:
1082	{	1239	{
1083	dREQ;	1240	dREQ;
		1241
1084	req->type = REQ_GROUP;	1242	req->type = REQ_GROUP;
		1243	req_send (req);
		1244
1085	XPUSHs (req_sv (req, AIO_GRP_KLASS));	1245	XPUSHs (req_sv (req, AIO_GRP_KLASS));
1086	}	1246	}
		1247
		1248	void
		1249	aio_nop (callback=&PL_sv_undef)
		1250	SV * callback
		1251	PPCODE:
		1252	{
		1253	dREQ;
		1254
		1255	req->type = REQ_NOP;
		1256
		1257	REQ_SEND;
		1258	}
		1259
		1260	#if 0
		1261
		1262	void
		1263	aio_pri (int pri = DEFAULT_PRI)
		1264	CODE:
		1265	if (pri < PRI_MIN) pri = PRI_MIN;
		1266	if (pri > PRI_MAX) pri = PRI_MAX;
		1267	next_pri = pri + PRI_BIAS;
		1268
		1269	#endif
1087		1270
1088	void	1271	void
1089	flush ()	1272	flush ()
1090	PROTOTYPE:	1273	PROTOTYPE:
1091	CODE:	1274	CODE:
…		…
1134	CODE:	1317	CODE:
1135	RETVAL = nreqs;	1318	RETVAL = nreqs;
1136	OUTPUT:	1319	OUTPUT:
1137	RETVAL	1320	RETVAL
1138		1321
		1322	PROTOTYPES: DISABLE
		1323
1139	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1324	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1140		1325
1141	void	1326	void
1142	cancel (aio_req_ornot req)	1327	cancel (aio_req_ornot req)
1143	PROTOTYPE:	1328	PROTOTYPE:
1144	CODE:	1329	CODE:
1145	req->cancelled = 1;	1330	req_cancel (req);
1146		1331
		1332	void
		1333	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)
		1334	CODE:
		1335	SvREFCNT_dec (req->callback);
		1336	req->callback = newSVsv (callback);
		1337
		1338	MODULE = IO::AIO PACKAGE = IO::AIO::GRP
		1339
		1340	void
		1341	add (aio_req grp, ...)
		1342	PPCODE:
		1343	{
		1344	int i;
		1345	aio_req req;
		1346
		1347	if (grp->fd == 2)
		1348	croak ("cannot add requests to IO::AIO::GRP after the group finished");
		1349
		1350	for (i = 1; i < items; ++i )
		1351	{
		1352	if (GIMME_V != G_VOID)
		1353	XPUSHs (sv_2mortal (newSVsv (ST (i))));
		1354
		1355	req = SvAIO_REQ (ST (i));
		1356
		1357	if (req)
		1358	{
		1359	++grp->length;
		1360	req->grp = grp;
		1361
		1362	req->grp_prev = 0;
		1363	req->grp_next = grp->grp_first;
		1364
		1365	if (grp->grp_first)
		1366	grp->grp_first->grp_prev = req;
		1367
		1368	grp->grp_first = req;
		1369	}
		1370	}
		1371	}
		1372
		1373	void
		1374	result (aio_req grp, ...)
		1375	CODE:
		1376	{
		1377	int i;
		1378	AV *av = newAV ();
		1379
		1380	for (i = 1; i < items; ++i )
		1381	av_push (av, newSVsv (ST (i)));
		1382
		1383	SvREFCNT_dec (grp->data);
		1384	grp->data = (SV *)av;
		1385	}
		1386
		1387	void
		1388	feed_limit (aio_req grp, int limit)
		1389	CODE:
		1390	grp->fd2 = limit;
		1391	aio_grp_feed (grp);
		1392
		1393	void
		1394	feed (aio_req grp, SV *callback=&PL_sv_undef)
		1395	CODE:
		1396	{
		1397	SvREFCNT_dec (grp->fh2);
		1398	grp->fh2 = newSVsv (callback);
		1399
		1400	if (grp->fd2 <= 0)
		1401	grp->fd2 = 2;
		1402
		1403	aio_grp_feed (grp);
		1404	}
		1405

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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 1.61 by root, Mon Oct 23 22:44:21 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 1.61 by root, Mon Oct 23 22:44:21 2006 UTC