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

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.45 by root, Sun Oct 22 00:19:05 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;
93	typedef aio_cb *aio_group;	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;
94		125
95	static int started, wanted;	126	static int started, wanted;
96	static volatile int nreqs;	127	static volatile int nreqs;
97	static int max_outstanding = 1<<30;	128	static int max_outstanding = 1<<30;
98	static int respipe [2];	129	static int respipe [2];
99		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
100	static pthread_mutex_t reslock = PTHREAD_MUTEX_INITIALIZER;	137	static pthread_mutex_t reslock = AIO_MUTEX_INIT;
101	static pthread_mutex_t reqlock = PTHREAD_MUTEX_INITIALIZER;	138	static pthread_mutex_t reqlock = AIO_MUTEX_INIT;
102	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;	139	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;
103		140
104	static volatile aio_req reqs, reqe; /* queue start, queue end */	141	static volatile aio_req reqs, reqe; /* queue start, queue end */
105	static volatile aio_req ress, rese; /* queue start, queue end */	142	static volatile aio_req ress, rese; /* queue start, queue end */
106		143
		144	static void req_invoke (aio_req req);
107	static void req_free (aio_req req);	145	static void req_free (aio_req req);
108		146
109	/* must be called at most once */	147	/* must be called at most once */
110	static SV req_sv (aio_req req, const char klass)	148	static SV req_sv (aio_req req, const char klass)
111	{	149	{
		150	if (!req->self)
		151	{
112	req->self = (SV *)newHV ();	152	req->self = (SV *)newHV ();
113	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	153	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
		154	}
114		155
115	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)));
116	}	157	}
117		158
118	static aio_req SvAIO_REQ (SV *sv)	159	static aio_req SvAIO_REQ (SV *sv)
119	{	160	{
		161	MAGIC *mg;
		162
120	if (!sv_derived_from (sv, AIO_REQ_KLASS) \|\| !SvROK (sv))	163	if (!sv_derived_from (sv, AIO_REQ_KLASS) \|\| !SvROK (sv))
121	croak ("object of class " AIO_REQ_KLASS " expected");	164	croak ("object of class " AIO_REQ_KLASS " expected");
122		165
123	MAGIC *mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	166	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
124		167
125	return mg ? (aio_req)mg->mg_ptr : 0;	168	return mg ? (aio_req)mg->mg_ptr : 0;
126	}	169	}
127		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
128	static void poll_wait ()	217	static void poll_wait ()
129	{	218	{
130	if (nreqs && !ress)
131	{
132	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
133	FD_ZERO(&rfd);	235	FD_ZERO(&rfd);
134	FD_SET(respipe [0], &rfd);	236	FD_SET(respipe [0], &rfd);
135		237
136	select (respipe [0] + 1, &rfd, 0, 0, 0);	238	select (respipe [0] + 1, &rfd, 0, 0, 0);
137	}	239	}
…		…
140	static void req_invoke (aio_req req)	242	static void req_invoke (aio_req req)
141	{	243	{
142	dSP;	244	dSP;
143	int errorno = errno;	245	int errorno = errno;
144		246
145	if (req->cancelled \|\| !SvOK (req->callback))	247	if (req->flags & FLAG_CANCELLED \|\| !SvOK (req->callback))
146	return;	248	return;
147		249
148	errno = req->errorno;	250	errno = req->errorno;
149		251
150	ENTER;	252	ENTER;
		253	SAVETMPS;
151	PUSHMARK (SP);	254	PUSHMARK (SP);
		255	EXTEND (SP, 1);
152		256
153	switch (req->type)	257	switch (req->type)
154	{	258	{
155	case REQ_READDIR:	259	case REQ_READDIR:
156	{	260	{
…		…
171	}	275	}
172		276
173	rv = sv_2mortal (newRV_noinc ((SV *)av));	277	rv = sv_2mortal (newRV_noinc ((SV *)av));
174	}	278	}
175		279
176	XPUSHs (rv);	280	PUSHs (rv);
177	}	281	}
178	break;	282	break;
179		283
180	case REQ_OPEN:	284	case REQ_OPEN:
181	{	285	{
182	/* convert fd to fh */	286	/* convert fd to fh */
183	SV *fh;	287	SV *fh;
184		288
185	XPUSHs (sv_2mortal (newSViv (req->result)));	289	PUSHs (sv_2mortal (newSViv (req->result)));
186	PUTBACK;	290	PUTBACK;
187	call_pv ("IO::AIO::_fd2fh", G_SCALAR \| G_EVAL);	291	call_pv ("IO::AIO::_fd2fh", G_SCALAR \| G_EVAL);
188	SPAGAIN;	292	SPAGAIN;
189		293
190	fh = SvREFCNT_inc (POPs);	294	fh = SvREFCNT_inc (POPs);
…		…
192	PUSHMARK (SP);	296	PUSHMARK (SP);
193	XPUSHs (sv_2mortal (fh));	297	XPUSHs (sv_2mortal (fh));
194	}	298	}
195	break;	299	break;
196		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:
197	case REQ_SLEEP:	316	case REQ_SLEEP:
198	case REQ_GROUP:
199	break;	317	break;
200		318
201	default:	319	default:
202	XPUSHs (sv_2mortal (newSViv (req->result)));	320	PUSHs (sv_2mortal (newSViv (req->result)));
203	break;	321	break;
204	}	322	}
205		323
206		324
207	PUTBACK;	325	PUTBACK;
208	call_sv (req->callback, G_VOID \| G_EVAL);	326	call_sv (req->callback, G_VOID \| G_EVAL);
209	SPAGAIN;	327	SPAGAIN;
210		328
		329	FREETMPS;
		330	LEAVE;
		331
		332	errno = errorno;
		333
211	if (SvTRUE (ERRSV))	334	if (SvTRUE (ERRSV))
212	{	335	{
213	req_free (req);	336	req_free (req);
214	croak (0);	337	croak (0);
215	}	338	}
216
217	LEAVE;
218
219	errno = errorno;
220	}	339	}
221		340
222	static void req_free (aio_req req)	341	static void req_free (aio_req req)
223	{	342	{
224	if (req->grp)	343	if (req->grp)
225	{	344	{
226	aio_req grp = req->grp;	345	aio_req grp = req->grp;
227		346
228	/* unlink request */	347	/* unlink request */
229	req->grp_next->grp_prev = req->grp_prev;	348	if (req->grp_next) req->grp_next->grp_prev = req->grp_prev;
230	req->grp_prev->grp_next = req->grp_next;	349	if (req->grp_prev) req->grp_prev->grp_next = req->grp_next;
231		350
232	if (grp->grp_next == grp)	351	if (grp->grp_first == req)
233	{	352	grp->grp_first = req->grp_next;
234	req_invoke (grp);	353
235	req_free (grp);	354	aio_grp_dec (grp);
236	}
237	}	355	}
238		356
239	if (req->self)	357	if (req->self)
240	{	358	{
241	sv_unmagic (req->self, PERL_MAGIC_ext);	359	sv_unmagic (req->self, PERL_MAGIC_ext);
242	SvREFCNT_dec (req->self);	360	SvREFCNT_dec (req->self);
243	}	361	}
244		362
245	if (req->data)
246	SvREFCNT_dec (req->data);	363	SvREFCNT_dec (req->data);
247
248	if (req->fh)
249	SvREFCNT_dec (req->fh);	364	SvREFCNT_dec (req->fh);
250
251	if (req->fh2)
252	SvREFCNT_dec (req->fh2);	365	SvREFCNT_dec (req->fh2);
253
254	if (req->statdata)
255	Safefree (req->statdata);
256
257	if (req->callback)
258	SvREFCNT_dec (req->callback);	366	SvREFCNT_dec (req->callback);
		367	Safefree (req->statdata);
259		368
260	if (req->type == REQ_READDIR && req->result >= 0)	369	if (req->type == REQ_READDIR && req->result >= 0)
261	free (req->data2ptr);	370	free (req->data2ptr);
262		371
263	Safefree (req);	372	Safefree (req);
264	}	373	}
265		374
266	static void req_cancel (aio_req req)	375	static void req_cancel (aio_req req)
267	{	376	{
268	req->cancelled = 1;	377	req->flags \|= FLAG_CANCELLED;
269		378
270	if (req->type == REQ_GROUP)	379	if (req->type == REQ_GROUP)
271	{	380	{
272	aio_req sub;	381	aio_req sub;
273		382
274	for (sub = req->grp_next; sub != req; sub = sub->grp_next)	383	for (sub = req->grp_first; sub; sub = sub->grp_next)
275	req_cancel (sub);	384	req_cancel (sub);
276	}	385	}
277	}	386	}
278		387
279	static int poll_cb ()	388	static int poll_cb ()
…		…
306	pthread_mutex_unlock (&reslock);	415	pthread_mutex_unlock (&reslock);
307		416
308	if (!req)	417	if (!req)
309	break;	418	break;
310		419
311	nreqs--;	420	--nreqs;
312		421
313	if (req->type == REQ_QUIT)	422	if (req->type == REQ_QUIT)
314	started--;	423	started--;
315	else if (req->type == REQ_GROUP && req->grp_next != req)	424	else if (req->type == REQ_GROUP && req->length)
		425	{
		426	req->fd = 1; /* mark request as delayed */
316	continue;	427	continue;
		428	}
317	else	429	else
318	{	430	{
319	if (req->type == REQ_READ)	431	if (req->type == REQ_READ)
320	SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0));	432	SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0));
321		433
…		…
364	static void req_send (aio_req req)	476	static void req_send (aio_req req)
365	{	477	{
366	while (started < wanted && nreqs >= started)	478	while (started < wanted && nreqs >= started)
367	start_thread ();	479	start_thread ();
368		480
369	nreqs++;	481	++nreqs;
370		482
371	pthread_mutex_lock (&reqlock);	483	pthread_mutex_lock (&reqlock);
372		484
373	req->next = 0;	485	req->next = 0;
374		486
…		…
494	#if !HAVE_READAHEAD	606	#if !HAVE_READAHEAD
495	# define readahead aio_readahead	607	# define readahead aio_readahead
496		608
497	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)
498	{	610	{
499	char readahead_buf[4096];	611	dBUF;
500		612
501	while (count > 0)	613	while (count > 0)
502	{	614	{
503	size_t len = count < sizeof (readahead_buf) ? count : sizeof (readahead_buf);	615	size_t len = count < AIO_BUFSIZE ? count : AIO_BUFSIZE;
504		616
505	pread (fd, readahead_buf, len, offset);	617	pread (fd, aio_buf, len, offset);
506	offset += len;	618	offset += len;
507	count -= len;	619	count -= len;
508	}	620	}
		621
		622	fBUF;
509		623
510	errno = 0;	624	errno = 0;
511	}	625	}
512	#endif	626	#endif
513		627
…		…
599	#endif	713	#endif
600	)	714	)
601	)	715	)
602	{	716	{
603	/* emulate sendfile. this is a major pain in the ass */	717	/* emulate sendfile. this is a major pain in the ass */
604	char buf[4096];	718	dBUF;
		719
605	res = 0;	720	res = 0;
606		721
607	while (count)	722	while (count)
608	{	723	{
609	ssize_t cnt;	724	ssize_t cnt;
610		725
611	cnt = pread (ifd, buf, count > 4096 ? 4096 : count, offset);	726	cnt = pread (ifd, aio_buf, count > AIO_BUFSIZE ? AIO_BUFSIZE : count, offset);
612		727
613	if (cnt <= 0)	728	if (cnt <= 0)
614	{	729	{
615	if (cnt && !res) res = -1;	730	if (cnt && !res) res = -1;
616	break;	731	break;
617	}	732	}
618		733
619	cnt = write (ofd, buf, cnt);	734	cnt = write (ofd, aio_buf, cnt);
620		735
621	if (cnt <= 0)	736	if (cnt <= 0)
622	{	737	{
623	if (cnt && !res) res = -1;	738	if (cnt && !res) res = -1;
624	break;	739	break;
…		…
626		741
627	offset += cnt;	742	offset += cnt;
628	res += cnt;	743	res += cnt;
629	count -= cnt;	744	count -= cnt;
630	}	745	}
		746
		747	fBUF;
631	}	748	}
632		749
633	return res;	750	return res;
634	}	751	}
635		752
636	/* read a full directory */	753	/* read a full directory */
637	static int scandir_ (const char path, void *namesp)	754	static int scandir_ (const char path, void *namesp)
638	{	755	{
639	DIR *dirp = opendir (path);	756	DIR *dirp;
640	union	757	union
641	{	758	{
642	struct dirent d;	759	struct dirent d;
643	char b [offsetof (struct dirent, d_name) + NAME_MAX + 1];	760	char b [offsetof (struct dirent, d_name) + NAME_MAX + 1];
644	} u;	761	} *u;
645	struct dirent *entp;	762	struct dirent *entp;
646	char name, names;	763	char name, names;
647	int memlen = 4096;	764	int memlen = 4096;
648	int memofs = 0;	765	int memofs = 0;
649	int res = 0;	766	int res = 0;
650	int errorno;	767	int errorno;
651		768
		769	dirp = opendir (path);
652	if (!dirp)	770	if (!dirp)
653	return -1;	771	return -1;
654		772
		773	u = malloc (sizeof (*u));
655	names = malloc (memlen);	774	names = malloc (memlen);
656		775
		776	if (u && names)
657	for (;;)	777	for (;;)
658	{	778	{
		779	errno = 0;
659	errno = 0, readdir_r (dirp, &u.d, &entp);	780	readdir_r (dirp, &u->d, &entp);
660		781
661	if (!entp)	782	if (!entp)
662	break;	783	break;
663		784
664	name = entp->d_name;	785	name = entp->d_name;
665		786
666	if (name [0] != '.' \|\| (name [1] && (name [1] != '.' \|\| name [2])))	787	if (name [0] != '.' \|\| (name [1] && (name [1] != '.' \|\| name [2])))
667	{	788	{
668	int len = strlen (name) + 1;	789	int len = strlen (name) + 1;
669		790
670	res++;	791	res++;
671		792
672	while (memofs + len > memlen)	793	while (memofs + len > memlen)
673	{	794	{
674	memlen *= 2;	795	memlen *= 2;
675	names = realloc (names, memlen);	796	names = realloc (names, memlen);
676	if (!names)	797	if (!names)
677	break;	798	break;
678	}	799	}
679		800
680	memcpy (names + memofs, name, len);	801	memcpy (names + memofs, name, len);
681	memofs += len;	802	memofs += len;
682	}	803	}
683	}	804	}
684		805
685	errorno = errno;	806	errorno = errno;
		807	free (u);
686	closedir (dirp);	808	closedir (dirp);
687		809
688	if (errorno)	810	if (errorno)
689	{	811	{
690	free (names);	812	free (names);
…		…
724	}	846	}
725		847
726	pthread_mutex_unlock (&reqlock);	848	pthread_mutex_unlock (&reqlock);
727		849
728	errno = 0; /* strictly unnecessary */	850	errno = 0; /* strictly unnecessary */
		851	type = req->type; /* remember type for QUIT check */
729		852
730	if (!req->cancelled)	853	if (!(req->flags & FLAG_CANCELLED))
731	switch (req->type)	854	switch (type)
732	{	855	{
733	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;
734	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;
735		858
736	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;
…		…
760	tv.tv_usec = req->fd2;	883	tv.tv_usec = req->fd2;
761		884
762	req->result = select (0, 0, 0, 0, &tv);	885	req->result = select (0, 0, 0, 0, &tv);
763	}	886	}
764		887
		888	case REQ_GROUP:
		889	case REQ_NOP:
765	case REQ_QUIT:	890	case REQ_QUIT:
766	break;	891	break;
767		892
768	default:	893	default:
769	req->result = ENOSYS;	894	req->result = ENOSYS;
…		…
853	atfork_parent ();	978	atfork_parent ();
854	}	979	}
855		980
856	#define dREQ \	981	#define dREQ \
857	aio_req req; \	982	aio_req req; \
		983	int req_pri = next_pri; \
		984	next_pri = DEFAULT_PRI + PRI_BIAS; \
858	\	985	\
859	if (SvOK (callback) && !SvROK (callback)) \	986	if (SvOK (callback) && !SvROK (callback)) \
860	croak ("callback must be undef or of reference type"); \	987	croak ("callback must be undef or of reference type"); \
861	\	988	\
862	Newz (0, req, 1, aio_cb); \	989	Newz (0, req, 1, aio_cb); \
863	if (!req) \	990	if (!req) \
864	croak ("out of memory during aio_req allocation"); \	991	croak ("out of memory during aio_req allocation"); \
865	\	992	\
866	req->callback = newSVsv (callback)	993	req->callback = newSVsv (callback); \
		994	req->pri = req_pri
867		995
868	#define REQ_SEND \	996	#define REQ_SEND \
869	req_send (req); \	997	req_send (req); \
870	\	998	\
871	if (GIMME_V != G_VOID) \	999	if (GIMME_V != G_VOID) \
…		…
1142	}	1270	}
1143		1271
1144	void	1272	void
1145	aio_group (callback=&PL_sv_undef)	1273	aio_group (callback=&PL_sv_undef)
1146	SV * callback	1274	SV * callback
1147	PROTOTYPE: ;&	1275	PROTOTYPE: ;$
1148	PPCODE:	1276	PPCODE:
1149	{	1277	{
1150	dREQ;	1278	dREQ;
		1279
1151	req->type = REQ_GROUP;	1280	req->type = REQ_GROUP;
1152	req->grp_next = req;
1153	req->grp_prev = req;
1154
1155	req_send (req);	1281	req_send (req);
		1282
1156	XPUSHs (req_sv (req, AIO_GRP_KLASS));	1283	XPUSHs (req_sv (req, AIO_GRP_KLASS));
1157	}	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
1158		1308
1159	void	1309	void
1160	flush ()	1310	flush ()
1161	PROTOTYPE:	1311	PROTOTYPE:
1162	CODE:	1312	CODE:
…		…
1205	CODE:	1355	CODE:
1206	RETVAL = nreqs;	1356	RETVAL = nreqs;
1207	OUTPUT:	1357	OUTPUT:
1208	RETVAL	1358	RETVAL
1209		1359
		1360	PROTOTYPES: DISABLE
		1361
1210	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1362	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1211		1363
1212	void	1364	void
1213	cancel (aio_req_ornot req)	1365	cancel (aio_req_ornot req)
1214	PROTOTYPE:
1215	CODE:	1366	CODE:
1216	req_cancel (req);	1367	req_cancel (req);
1217		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
1218	MODULE = IO::AIO PACKAGE = IO::AIO::GRP	1375	MODULE = IO::AIO PACKAGE = IO::AIO::GRP
1219		1376
1220	void	1377	void
1221	add (aio_req grp, ...)	1378	add (aio_req grp, ...)
1222	PROTOTYPE: $;@
1223	PPCODE:	1379	PPCODE:
1224	{	1380	{
1225	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");
1226		1386
1227	for (i = 1; i < items; ++i )	1387	for (i = 1; i < items; ++i )
1228	{	1388	{
1229	aio_req req = SvAIO_REQ (ST (i));
1230
1231	req->grp_prev = grp;
1232	req->grp_next = grp->grp_next;
1233	grp->grp_next->grp_prev = req;
1234	grp->grp_next = req;
1235
1236	req->grp = grp;
1237
1238	if (GIMME_V != G_VOID)	1389	if (GIMME_V != G_VOID)
1239	XPUSHs (sv_2mortal (newSVsv (ST (i))));	1390	XPUSHs (sv_2mortal (newSVsv (ST (i))));
		1391
		1392	req = SvAIO_REQ (ST (i));
		1393
		1394	if (req)
		1395	{
		1396	++grp->length;
		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;
		1406	}
1240	}	1407	}
1241	}	1408	}
1242		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 1.45 by root, Sun Oct 22 00:19:05 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 1.45 by root, Sun Oct 22 00:19:05 2006 UTC vs.
Revision 1.66 by root, Tue Oct 24 00:34:47 2006 UTC