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

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.46 by root, Sun Oct 22 00:49:29 2006 UTC vs.
Revision 1.66 by root, Tue Oct 24 00:34:47 2006 UTC

…		…
		1	#if __linux
		2	# define _GNU_SOURCE
		3	#endif
		4
1	#define _REENTRANT 1	5	#define _REENTRANT 1
		6
2	#include <errno.h>	7	#include <errno.h>
3		8
4	#include "EXTERN.h"	9	#include "EXTERN.h"
5	#include "perl.h"	10	#include "perl.h"
6	#include "XSUB.h"	11	#include "XSUB.h"
41	# define NAME_MAX 4096	46	# define NAME_MAX 4096
42	#endif	47	#endif
43		48
44	#if __ia64	49	#if __ia64
45	# define STACKSIZE 65536	50	# define STACKSIZE 65536
		51	#elif __i386 \|\| __x86_64 /* 16k is unreasonably high :( */
		52	# define STACKSIZE PTHREAD_STACK_MIN
46	#else	53	#else
47	# define STACKSIZE 8192	54	# define STACKSIZE 16384
48	#endif	55	#endif
		56
		57	/* buffer size for various temporary buffers */
		58	#define AIO_BUFSIZE 65536
		59
		60	#define dBUF \
		61	char *aio_buf = malloc (AIO_BUFSIZE); \
		62	if (!aio_buf) \
		63	return -1;
		64
		65	#define fBUF free (aio_buf)
49		66
50	enum {	67	enum {
51	REQ_QUIT,	68	REQ_QUIT,
52	REQ_OPEN, REQ_CLOSE,	69	REQ_OPEN, REQ_CLOSE,
53	REQ_READ, REQ_WRITE, REQ_READAHEAD,	70	REQ_READ, REQ_WRITE, REQ_READAHEAD,
…		…
55	REQ_STAT, REQ_LSTAT, REQ_FSTAT,	72	REQ_STAT, REQ_LSTAT, REQ_FSTAT,
56	REQ_FSYNC, REQ_FDATASYNC,	73	REQ_FSYNC, REQ_FDATASYNC,
57	REQ_UNLINK, REQ_RMDIR, REQ_RENAME,	74	REQ_UNLINK, REQ_RMDIR, REQ_RENAME,
58	REQ_READDIR,	75	REQ_READDIR,
59	REQ_LINK, REQ_SYMLINK,	76	REQ_LINK, REQ_SYMLINK,
		77	REQ_GROUP, REQ_NOP,
60	REQ_SLEEP,	78	REQ_SLEEP,
61	REQ_GROUP,
62	};	79	};
63		80
64	#define AIO_REQ_KLASS "IO::AIO::REQ"	81	#define AIO_REQ_KLASS "IO::AIO::REQ"
65	#define AIO_GRP_KLASS "IO::AIO::GRP"	82	#define AIO_GRP_KLASS "IO::AIO::GRP"
66		83
67	typedef struct aio_cb	84	typedef struct aio_cb
68	{	85	{
69	struct aio_cb grp, grp_prev, *grp_next;
70
71	struct aio_cb *volatile next;	86	struct aio_cb *volatile next;
72
73	SV self; / the perl counterpart of this request, if any */
74		87
75	SV data, callback;	88	SV data, callback;
76	SV fh, fh2;	89	SV fh, fh2;
77	void dataptr, data2ptr;	90	void dataptr, data2ptr;
78	Stat_t *statdata;	91	Stat_t *statdata;
79	off_t offset;	92	off_t offset;
80	size_t length;	93	size_t length;
81	ssize_t result;	94	ssize_t result;
82		95
		96	STRLEN dataoffset;
83	int type;	97	int type;
84	int fd, fd2;	98	int fd, fd2;
85	int errorno;	99	int errorno;
86	STRLEN dataoffset;
87	mode_t mode; /* open */	100	mode_t mode; /* open */
		101
88	unsigned char cancelled;	102	unsigned char flags;
		103	unsigned char pri;
		104
		105	SV self; / the perl counterpart of this request, if any */
		106	struct aio_cb grp, grp_prev, grp_next, grp_first;
89	} aio_cb;	107	} aio_cb;
		108
		109	enum {
		110	FLAG_CANCELLED = 0x01,
		111	};
90		112
91	typedef aio_cb *aio_req;	113	typedef aio_cb *aio_req;
92	typedef aio_cb *aio_req_ornot;	114	typedef aio_cb *aio_req_ornot;
		115
		116	enum {
		117	PRI_MIN = -4,
		118	PRI_MAX = 4,
		119
		120	DEFAULT_PRI = 0,
		121	PRI_BIAS = -PRI_MIN,
		122	};
		123
		124	static int next_pri = DEFAULT_PRI + PRI_BIAS;
93		125
94	static int started, wanted;	126	static int started, wanted;
95	static volatile int nreqs;	127	static volatile int nreqs;
96	static int max_outstanding = 1<<30;	128	static int max_outstanding = 1<<30;
97	static int respipe [2];	129	static int respipe [2];
98		130
		131	#if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP)
		132	# define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP
		133	#else
		134	# define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER
		135	#endif
		136
99	static pthread_mutex_t reslock = PTHREAD_MUTEX_INITIALIZER;	137	static pthread_mutex_t reslock = AIO_MUTEX_INIT;
100	static pthread_mutex_t reqlock = PTHREAD_MUTEX_INITIALIZER;	138	static pthread_mutex_t reqlock = AIO_MUTEX_INIT;
101	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;	139	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;
102		140
103	static volatile aio_req reqs, reqe; /* queue start, queue end */	141	static volatile aio_req reqs, reqe; /* queue start, queue end */
104	static volatile aio_req ress, rese; /* queue start, queue end */	142	static volatile aio_req ress, rese; /* queue start, queue end */
105		143
		144	static void req_invoke (aio_req req);
106	static void req_free (aio_req req);	145	static void req_free (aio_req req);
107		146
108	/* must be called at most once */	147	/* must be called at most once */
109	static SV req_sv (aio_req req, const char klass)	148	static SV req_sv (aio_req req, const char klass)
110	{	149	{
		150	if (!req->self)
		151	{
111	req->self = (SV *)newHV ();	152	req->self = (SV *)newHV ();
112	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	153	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
		154	}
113		155
114	return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1)));	156	return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1)));
115	}	157	}
116		158
117	static aio_req SvAIO_REQ (SV *sv)	159	static aio_req SvAIO_REQ (SV *sv)
118	{	160	{
		161	MAGIC *mg;
		162
119	if (!sv_derived_from (sv, AIO_REQ_KLASS) \|\| !SvROK (sv))	163	if (!sv_derived_from (sv, AIO_REQ_KLASS) \|\| !SvROK (sv))
120	croak ("object of class " AIO_REQ_KLASS " expected");	164	croak ("object of class " AIO_REQ_KLASS " expected");
121		165
122	MAGIC *mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	166	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
123		167
124	return mg ? (aio_req)mg->mg_ptr : 0;	168	return mg ? (aio_req)mg->mg_ptr : 0;
125	}	169	}
126		170
		171	static void aio_grp_feed (aio_req grp)
		172	{
		173	while (grp->length < grp->fd2 && !(grp->flags & FLAG_CANCELLED))
		174	{
		175	int old_len = grp->length;
		176
		177	if (grp->fh2 && SvOK (grp->fh2))
		178	{
		179	dSP;
		180
		181	ENTER;
		182	SAVETMPS;
		183	PUSHMARK (SP);
		184	XPUSHs (req_sv (grp, AIO_GRP_KLASS));
		185	PUTBACK;
		186	call_sv (grp->fh2, G_VOID \| G_EVAL);
		187	SPAGAIN;
		188	FREETMPS;
		189	LEAVE;
		190	}
		191
		192	/* stop if no progress has been made */
		193	if (old_len == grp->length)
		194	{
		195	SvREFCNT_dec (grp->fh2);
		196	grp->fh2 = 0;
		197	break;
		198	}
		199	}
		200	}
		201
		202	static void aio_grp_dec (aio_req grp)
		203	{
		204	--grp->length;
		205
		206	/* call feeder, if applicable */
		207	aio_grp_feed (grp);
		208
		209	/* finish, if done */
		210	if (!grp->length && grp->fd)
		211	{
		212	req_invoke (grp);
		213	req_free (grp);
		214	}
		215	}
		216
127	static void poll_wait ()	217	static void poll_wait ()
128	{	218	{
129	if (nreqs && !ress)
130	{
131	fd_set rfd;	219	fd_set rfd;
		220
		221	while (nreqs)
		222	{
		223	aio_req req;
		224	#if !(__i386 \|\| __x86_64) /* safe without sempahore on this archs */
		225	pthread_mutex_lock (&reslock);
		226	#endif
		227	req = ress;
		228	#if !(__i386 \|\| __x86_64) /* safe without sempahore on this archs */
		229	pthread_mutex_unlock (&reslock);
		230	#endif
		231
		232	if (req)
		233	return;
		234
132	FD_ZERO(&rfd);	235	FD_ZERO(&rfd);
133	FD_SET(respipe [0], &rfd);	236	FD_SET(respipe [0], &rfd);
134		237
135	select (respipe [0] + 1, &rfd, 0, 0, 0);	238	select (respipe [0] + 1, &rfd, 0, 0, 0);
136	}	239	}
…		…
139	static void req_invoke (aio_req req)	242	static void req_invoke (aio_req req)
140	{	243	{
141	dSP;	244	dSP;
142	int errorno = errno;	245	int errorno = errno;
143		246
144	if (req->cancelled \|\| !SvOK (req->callback))	247	if (req->flags & FLAG_CANCELLED \|\| !SvOK (req->callback))
145	return;	248	return;
146		249
147	errno = req->errorno;	250	errno = req->errorno;
148		251
149	ENTER;	252	ENTER;
		253	SAVETMPS;
150	PUSHMARK (SP);	254	PUSHMARK (SP);
		255	EXTEND (SP, 1);
151		256
152	switch (req->type)	257	switch (req->type)
153	{	258	{
154	case REQ_READDIR:	259	case REQ_READDIR:
155	{	260	{
…		…
170	}	275	}
171		276
172	rv = sv_2mortal (newRV_noinc ((SV *)av));	277	rv = sv_2mortal (newRV_noinc ((SV *)av));
173	}	278	}
174		279
175	XPUSHs (rv);	280	PUSHs (rv);
176	}	281	}
177	break;	282	break;
178		283
179	case REQ_OPEN:	284	case REQ_OPEN:
180	{	285	{
181	/* convert fd to fh */	286	/* convert fd to fh */
182	SV *fh;	287	SV *fh;
183		288
184	XPUSHs (sv_2mortal (newSViv (req->result)));	289	PUSHs (sv_2mortal (newSViv (req->result)));
185	PUTBACK;	290	PUTBACK;
186	call_pv ("IO::AIO::_fd2fh", G_SCALAR \| G_EVAL);	291	call_pv ("IO::AIO::_fd2fh", G_SCALAR \| G_EVAL);
187	SPAGAIN;	292	SPAGAIN;
188		293
189	fh = SvREFCNT_inc (POPs);	294	fh = SvREFCNT_inc (POPs);
…		…
191	PUSHMARK (SP);	296	PUSHMARK (SP);
192	XPUSHs (sv_2mortal (fh));	297	XPUSHs (sv_2mortal (fh));
193	}	298	}
194	break;	299	break;
195		300
		301	case REQ_GROUP:
		302	req->fd = 2; /* mark group as finished */
		303
		304	if (req->data)
		305	{
		306	int i;
		307	AV av = (AV )req->data;
		308
		309	EXTEND (SP, AvFILL (av) + 1);
		310	for (i = 0; i <= AvFILL (av); ++i)
		311	PUSHs (*av_fetch (av, i, 0));
		312	}
		313	break;
		314
		315	case REQ_NOP:
196	case REQ_SLEEP:	316	case REQ_SLEEP:
197	case REQ_GROUP:
198	break;	317	break;
199		318
200	default:	319	default:
201	XPUSHs (sv_2mortal (newSViv (req->result)));	320	PUSHs (sv_2mortal (newSViv (req->result)));
202	break;	321	break;
203	}	322	}
204		323
205		324
206	PUTBACK;	325	PUTBACK;
207	call_sv (req->callback, G_VOID \| G_EVAL);	326	call_sv (req->callback, G_VOID \| G_EVAL);
208	SPAGAIN;	327	SPAGAIN;
209		328
		329	FREETMPS;
		330	LEAVE;
		331
		332	errno = errorno;
		333
210	if (SvTRUE (ERRSV))	334	if (SvTRUE (ERRSV))
211	{	335	{
212	req_free (req);	336	req_free (req);
213	croak (0);	337	croak (0);
214	}	338	}
215
216	LEAVE;
217
218	errno = errorno;
219	}	339	}
220		340
221	static void req_free (aio_req req)	341	static void req_free (aio_req req)
222	{	342	{
223	if (req->grp)	343	if (req->grp)
224	{	344	{
225	aio_req grp = req->grp;	345	aio_req grp = req->grp;
226		346
227	/* unlink request */	347	/* unlink request */
228	req->grp_next->grp_prev = req->grp_prev;	348	if (req->grp_next) req->grp_next->grp_prev = req->grp_prev;
229	req->grp_prev->grp_next = req->grp_next;	349	if (req->grp_prev) req->grp_prev->grp_next = req->grp_next;
230		350
231	if (grp->grp_next == grp && grp->fd)	351	if (grp->grp_first == req)
232	{	352	grp->grp_first = req->grp_next;
233	req_invoke (grp);	353
234	req_free (grp);	354	aio_grp_dec (grp);
235	}
236	}	355	}
237		356
238	if (req->self)	357	if (req->self)
239	{	358	{
240	sv_unmagic (req->self, PERL_MAGIC_ext);	359	sv_unmagic (req->self, PERL_MAGIC_ext);
241	SvREFCNT_dec (req->self);	360	SvREFCNT_dec (req->self);
242	}	361	}
243		362
244	if (req->data)
245	SvREFCNT_dec (req->data);	363	SvREFCNT_dec (req->data);
246
247	if (req->fh)
248	SvREFCNT_dec (req->fh);	364	SvREFCNT_dec (req->fh);
249
250	if (req->fh2)
251	SvREFCNT_dec (req->fh2);	365	SvREFCNT_dec (req->fh2);
252
253	if (req->statdata)
254	Safefree (req->statdata);
255
256	if (req->callback)
257	SvREFCNT_dec (req->callback);	366	SvREFCNT_dec (req->callback);
		367	Safefree (req->statdata);
258		368
259	if (req->type == REQ_READDIR && req->result >= 0)	369	if (req->type == REQ_READDIR && req->result >= 0)
260	free (req->data2ptr);	370	free (req->data2ptr);
261		371
262	Safefree (req);	372	Safefree (req);
263	}	373	}
264		374
265	static void req_cancel (aio_req req)	375	static void req_cancel (aio_req req)
266	{	376	{
267	req->cancelled = 1;	377	req->flags \|= FLAG_CANCELLED;
268		378
269	if (req->type == REQ_GROUP)	379	if (req->type == REQ_GROUP)
270	{	380	{
271	aio_req sub;	381	aio_req sub;
272		382
273	for (sub = req->grp_next; sub != req; sub = sub->grp_next)	383	for (sub = req->grp_first; sub; sub = sub->grp_next)
274	req_cancel (sub);	384	req_cancel (sub);
275	}	385	}
276	}	386	}
277		387
278	static int poll_cb ()	388	static int poll_cb ()
…		…
305	pthread_mutex_unlock (&reslock);	415	pthread_mutex_unlock (&reslock);
306		416
307	if (!req)	417	if (!req)
308	break;	418	break;
309		419
310	nreqs--;	420	--nreqs;
311		421
312	if (req->type == REQ_QUIT)	422	if (req->type == REQ_QUIT)
313	started--;	423	started--;
314	else if (req->type == REQ_GROUP && req->grp_next != req)	424	else if (req->type == REQ_GROUP && req->length)
315	{	425	{
316	req->fd = 1; /* mark request as delayed */	426	req->fd = 1; /* mark request as delayed */
317	continue;	427	continue;
318	}	428	}
319	else	429	else
…		…
366	static void req_send (aio_req req)	476	static void req_send (aio_req req)
367	{	477	{
368	while (started < wanted && nreqs >= started)	478	while (started < wanted && nreqs >= started)
369	start_thread ();	479	start_thread ();
370		480
371	nreqs++;	481	++nreqs;
372		482
373	pthread_mutex_lock (&reqlock);	483	pthread_mutex_lock (&reqlock);
374		484
375	req->next = 0;	485	req->next = 0;
376		486
…		…
496	#if !HAVE_READAHEAD	606	#if !HAVE_READAHEAD
497	# define readahead aio_readahead	607	# define readahead aio_readahead
498		608
499	static ssize_t readahead (int fd, off_t offset, size_t count)	609	static ssize_t readahead (int fd, off_t offset, size_t count)
500	{	610	{
501	char readahead_buf[4096];	611	dBUF;
502		612
503	while (count > 0)	613	while (count > 0)
504	{	614	{
505	size_t len = count < sizeof (readahead_buf) ? count : sizeof (readahead_buf);	615	size_t len = count < AIO_BUFSIZE ? count : AIO_BUFSIZE;
506		616
507	pread (fd, readahead_buf, len, offset);	617	pread (fd, aio_buf, len, offset);
508	offset += len;	618	offset += len;
509	count -= len;	619	count -= len;
510	}	620	}
		621
		622	fBUF;
511		623
512	errno = 0;	624	errno = 0;
513	}	625	}
514	#endif	626	#endif
515		627
…		…
601	#endif	713	#endif
602	)	714	)
603	)	715	)
604	{	716	{
605	/* emulate sendfile. this is a major pain in the ass */	717	/* emulate sendfile. this is a major pain in the ass */
606	char buf[4096];	718	dBUF;
		719
607	res = 0;	720	res = 0;
608		721
609	while (count)	722	while (count)
610	{	723	{
611	ssize_t cnt;	724	ssize_t cnt;
612		725
613	cnt = pread (ifd, buf, count > 4096 ? 4096 : count, offset);	726	cnt = pread (ifd, aio_buf, count > AIO_BUFSIZE ? AIO_BUFSIZE : count, offset);
614		727
615	if (cnt <= 0)	728	if (cnt <= 0)
616	{	729	{
617	if (cnt && !res) res = -1;	730	if (cnt && !res) res = -1;
618	break;	731	break;
619	}	732	}
620		733
621	cnt = write (ofd, buf, cnt);	734	cnt = write (ofd, aio_buf, cnt);
622		735
623	if (cnt <= 0)	736	if (cnt <= 0)
624	{	737	{
625	if (cnt && !res) res = -1;	738	if (cnt && !res) res = -1;
626	break;	739	break;
…		…
628		741
629	offset += cnt;	742	offset += cnt;
630	res += cnt;	743	res += cnt;
631	count -= cnt;	744	count -= cnt;
632	}	745	}
		746
		747	fBUF;
633	}	748	}
634		749
635	return res;	750	return res;
636	}	751	}
637		752
638	/* read a full directory */	753	/* read a full directory */
639	static int scandir_ (const char path, void *namesp)	754	static int scandir_ (const char path, void *namesp)
640	{	755	{
641	DIR *dirp = opendir (path);	756	DIR *dirp;
642	union	757	union
643	{	758	{
644	struct dirent d;	759	struct dirent d;
645	char b [offsetof (struct dirent, d_name) + NAME_MAX + 1];	760	char b [offsetof (struct dirent, d_name) + NAME_MAX + 1];
646	} u;	761	} *u;
647	struct dirent *entp;	762	struct dirent *entp;
648	char name, names;	763	char name, names;
649	int memlen = 4096;	764	int memlen = 4096;
650	int memofs = 0;	765	int memofs = 0;
651	int res = 0;	766	int res = 0;
652	int errorno;	767	int errorno;
653		768
		769	dirp = opendir (path);
654	if (!dirp)	770	if (!dirp)
655	return -1;	771	return -1;
656		772
		773	u = malloc (sizeof (*u));
657	names = malloc (memlen);	774	names = malloc (memlen);
658		775
		776	if (u && names)
659	for (;;)	777	for (;;)
660	{	778	{
		779	errno = 0;
661	errno = 0, readdir_r (dirp, &u.d, &entp);	780	readdir_r (dirp, &u->d, &entp);
662		781
663	if (!entp)	782	if (!entp)
664	break;	783	break;
665		784
666	name = entp->d_name;	785	name = entp->d_name;
667		786
668	if (name [0] != '.' \|\| (name [1] && (name [1] != '.' \|\| name [2])))	787	if (name [0] != '.' \|\| (name [1] && (name [1] != '.' \|\| name [2])))
669	{	788	{
670	int len = strlen (name) + 1;	789	int len = strlen (name) + 1;
671		790
672	res++;	791	res++;
673		792
674	while (memofs + len > memlen)	793	while (memofs + len > memlen)
675	{	794	{
676	memlen *= 2;	795	memlen *= 2;
677	names = realloc (names, memlen);	796	names = realloc (names, memlen);
678	if (!names)	797	if (!names)
679	break;	798	break;
680	}	799	}
681		800
682	memcpy (names + memofs, name, len);	801	memcpy (names + memofs, name, len);
683	memofs += len;	802	memofs += len;
684	}	803	}
685	}	804	}
686		805
687	errorno = errno;	806	errorno = errno;
		807	free (u);
688	closedir (dirp);	808	closedir (dirp);
689		809
690	if (errorno)	810	if (errorno)
691	{	811	{
692	free (names);	812	free (names);
…		…
726	}	846	}
727		847
728	pthread_mutex_unlock (&reqlock);	848	pthread_mutex_unlock (&reqlock);
729		849
730	errno = 0; /* strictly unnecessary */	850	errno = 0; /* strictly unnecessary */
		851	type = req->type; /* remember type for QUIT check */
731		852
732	if (!req->cancelled)	853	if (!(req->flags & FLAG_CANCELLED))
733	switch (req->type)	854	switch (type)
734	{	855	{
735	case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break;	856	case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break;
736	case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break;	857	case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break;
737		858
738	case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break;	859	case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break;
…		…
762	tv.tv_usec = req->fd2;	883	tv.tv_usec = req->fd2;
763		884
764	req->result = select (0, 0, 0, 0, &tv);	885	req->result = select (0, 0, 0, 0, &tv);
765	}	886	}
766		887
		888	case REQ_GROUP:
		889	case REQ_NOP:
767	case REQ_QUIT:	890	case REQ_QUIT:
768	break;	891	break;
769		892
770	default:	893	default:
771	req->result = ENOSYS;	894	req->result = ENOSYS;
…		…
855	atfork_parent ();	978	atfork_parent ();
856	}	979	}
857		980
858	#define dREQ \	981	#define dREQ \
859	aio_req req; \	982	aio_req req; \
		983	int req_pri = next_pri; \
		984	next_pri = DEFAULT_PRI + PRI_BIAS; \
860	\	985	\
861	if (SvOK (callback) && !SvROK (callback)) \	986	if (SvOK (callback) && !SvROK (callback)) \
862	croak ("callback must be undef or of reference type"); \	987	croak ("callback must be undef or of reference type"); \
863	\	988	\
864	Newz (0, req, 1, aio_cb); \	989	Newz (0, req, 1, aio_cb); \
865	if (!req) \	990	if (!req) \
866	croak ("out of memory during aio_req allocation"); \	991	croak ("out of memory during aio_req allocation"); \
867	\	992	\
868	req->callback = newSVsv (callback)	993	req->callback = newSVsv (callback); \
		994	req->pri = req_pri
869		995
870	#define REQ_SEND \	996	#define REQ_SEND \
871	req_send (req); \	997	req_send (req); \
872	\	998	\
873	if (GIMME_V != G_VOID) \	999	if (GIMME_V != G_VOID) \
…		…
1148	SV * callback	1274	SV * callback
1149	PROTOTYPE: ;$	1275	PROTOTYPE: ;$
1150	PPCODE:	1276	PPCODE:
1151	{	1277	{
1152	dREQ;	1278	dREQ;
		1279
1153	req->type = REQ_GROUP;	1280	req->type = REQ_GROUP;
1154	req->grp_next = req;
1155	req->grp_prev = req;
1156
1157	req_send (req);	1281	req_send (req);
		1282
1158	XPUSHs (req_sv (req, AIO_GRP_KLASS));	1283	XPUSHs (req_sv (req, AIO_GRP_KLASS));
1159	}	1284	}
		1285
		1286	void
		1287	aio_nop (callback=&PL_sv_undef)
		1288	SV * callback
		1289	PPCODE:
		1290	{
		1291	dREQ;
		1292
		1293	req->type = REQ_NOP;
		1294
		1295	REQ_SEND;
		1296	}
		1297
		1298	#if 0
		1299
		1300	void
		1301	aio_pri (int pri = DEFAULT_PRI)
		1302	CODE:
		1303	if (pri < PRI_MIN) pri = PRI_MIN;
		1304	if (pri > PRI_MAX) pri = PRI_MAX;
		1305	next_pri = pri + PRI_BIAS;
		1306
		1307	#endif
1160		1308
1161	void	1309	void
1162	flush ()	1310	flush ()
1163	PROTOTYPE:	1311	PROTOTYPE:
1164	CODE:	1312	CODE:
…		…
1207	CODE:	1355	CODE:
1208	RETVAL = nreqs;	1356	RETVAL = nreqs;
1209	OUTPUT:	1357	OUTPUT:
1210	RETVAL	1358	RETVAL
1211		1359
		1360	PROTOTYPES: DISABLE
		1361
1212	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1362	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1213		1363
1214	void	1364	void
1215	cancel (aio_req_ornot req)	1365	cancel (aio_req_ornot req)
1216	PROTOTYPE:
1217	CODE:	1366	CODE:
1218	req_cancel (req);	1367	req_cancel (req);
1219		1368
		1369	void
		1370	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)
		1371	CODE:
		1372	SvREFCNT_dec (req->callback);
		1373	req->callback = newSVsv (callback);
		1374
1220	MODULE = IO::AIO PACKAGE = IO::AIO::GRP	1375	MODULE = IO::AIO PACKAGE = IO::AIO::GRP
1221		1376
1222	void	1377	void
1223	add (aio_req grp, ...)	1378	add (aio_req grp, ...)
1224	PROTOTYPE: $;@
1225	PPCODE:	1379	PPCODE:
1226	{	1380	{
1227	int i;	1381	int i;
		1382	aio_req req;
		1383
		1384	if (grp->fd == 2)
		1385	croak ("cannot add requests to IO::AIO::GRP after the group finished");
1228		1386
1229	for (i = 1; i < items; ++i )	1387	for (i = 1; i < items; ++i )
1230	{	1388	{
1231	if (GIMME_V != G_VOID)	1389	if (GIMME_V != G_VOID)
1232	XPUSHs (sv_2mortal (newSVsv (ST (i))));	1390	XPUSHs (sv_2mortal (newSVsv (ST (i))));
1233		1391
1234	aio_req req = SvAIO_REQ (ST (i));	1392	req = SvAIO_REQ (ST (i));
1235	printf ("req = %p\n", req);//D
1236		1393
1237	if (req)	1394	if (req)
1238	{	1395	{
1239	req->grp_prev = grp;	1396	++grp->length;
1240	req->grp_next = grp->grp_next;
1241	grp->grp_next->grp_prev = req;
1242	grp->grp_next = req;
1243
1244	req->grp = grp;	1397	req->grp = grp;
		1398
		1399	req->grp_prev = 0;
		1400	req->grp_next = grp->grp_first;
		1401
		1402	if (grp->grp_first)
		1403	grp->grp_first->grp_prev = req;
		1404
		1405	grp->grp_first = req;
1245	}	1406	}
1246	}	1407	}
1247	}	1408	}
1248		1409
		1410	void
		1411	result (aio_req grp, ...)
		1412	CODE:
		1413	{
		1414	int i;
		1415	AV *av = newAV ();
		1416
		1417	for (i = 1; i < items; ++i )
		1418	av_push (av, newSVsv (ST (i)));
		1419
		1420	SvREFCNT_dec (grp->data);
		1421	grp->data = (SV *)av;
		1422	}
		1423
		1424	void
		1425	feed_limit (aio_req grp, int limit)
		1426	CODE:
		1427	grp->fd2 = limit;
		1428	aio_grp_feed (grp);
		1429
		1430	void
		1431	feed (aio_req grp, SV *callback=&PL_sv_undef)
		1432	CODE:
		1433	{
		1434	SvREFCNT_dec (grp->fh2);
		1435	grp->fh2 = newSVsv (callback);
		1436
		1437	if (grp->fd2 <= 0)
		1438	grp->fd2 = 2;
		1439
		1440	aio_grp_feed (grp);
		1441	}
		1442

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Comparing IO-AIO/AIO.xs (file contents): Revision 1.46 by root, Sun Oct 22 00:49:29 2006 UTC vs. Revision 1.66 by root, Tue Oct 24 00:34:47 2006 UTC

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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.46 by root, Sun Oct 22 00:49:29 2006 UTC vs.
Revision 1.66 by root, Tue Oct 24 00:34:47 2006 UTC