[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 1.62 by root, Mon Oct 23 22:45:18 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
		148	static void aio_grp_feed (aio_req grp)
		149	{
		150	while (grp->length < grp->fd2 && !(grp->flags & FLAG_CANCELLED))
		151	{
		152	int old_len = grp->length;
		153
		154	if (grp->fh2 && SvOK (grp->fh2))
		155	{
		156	dSP;
		157
		158	ENTER;
		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	}
		168
		169	/* stop if no progress has been made */
		170	if (old_len == grp->length)
		171	{
		172	SvREFCNT_dec (grp->fh2);
		173	grp->fh2 = 0;
		174	break;
		175	}
		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	fd_set rfd;
		197
		198	while (nreqs)
		199	{
		200	aio_req req;
		201	pthread_mutex_lock (&reslock);
		202	req = ress;
		203	pthread_mutex_unlock (&reslock);
		204
		205	if (req)
		206	return;
		207
		208	FD_ZERO(&rfd);
		209	FD_SET(respipe [0], &rfd);
		210
		211	select (respipe [0] + 1, &rfd, 0, 0, 0);
		212	}
		213	}
		214
		215	static void req_invoke (aio_req req)
		216	{
		217	dSP;
		218	int errorno = errno;
		219
		220	if (req->flags & FLAG_CANCELLED \|\| !SvOK (req->callback))
		221	return;
		222
		223	errno = req->errorno;
		224
		225	ENTER;
		226	SAVETMPS;
		227	PUSHMARK (SP);
		228	EXTEND (SP, 1);
		229
		230	switch (req->type)
		231	{
		232	case REQ_READDIR:
		233	{
		234	SV *rv = &PL_sv_undef;
		235
		236	if (req->result >= 0)
		237	{
		238	char *buf = req->data2ptr;
		239	AV *av = newAV ();
		240
		241	while (req->result)
		242	{
		243	SV *sv = newSVpv (buf, 0);
		244
		245	av_push (av, sv);
		246	buf += SvCUR (sv) + 1;
		247	req->result--;
		248	}
		249
		250	rv = sv_2mortal (newRV_noinc ((SV *)av));
		251	}
		252
		253	PUSHs (rv);
		254	}
		255	break;
		256
		257	case REQ_OPEN:
		258	{
		259	/* convert fd to fh */
		260	SV *fh;
		261
		262	PUSHs (sv_2mortal (newSViv (req->result)));
		263	PUTBACK;
		264	call_pv ("IO::AIO::_fd2fh", G_SCALAR \| G_EVAL);
		265	SPAGAIN;
		266
		267	fh = SvREFCNT_inc (POPs);
		268
		269	PUSHMARK (SP);
		270	XPUSHs (sv_2mortal (fh));
		271	}
		272	break;
		273
		274	case REQ_GROUP:
		275	req->fd = 2; /* mark group as finished */
		276
		277	if (req->data)
		278	{
		279	int i;
		280	AV av = (AV )req->data;
		281
		282	EXTEND (SP, AvFILL (av) + 1);
		283	for (i = 0; i <= AvFILL (av); ++i)
		284	PUSHs (*av_fetch (av, i, 0));
		285	}
		286	break;
		287
		288	case REQ_NOP:
		289	case REQ_SLEEP:
		290	break;
		291
		292	default:
		293	PUSHs (sv_2mortal (newSViv (req->result)));
		294	break;
		295	}
		296
		297
		298	PUTBACK;
		299	call_sv (req->callback, G_VOID \| G_EVAL);
		300	SPAGAIN;
		301
		302	FREETMPS;
		303	LEAVE;
		304
		305	errno = errorno;
		306
		307	if (SvTRUE (ERRSV))
		308	{
		309	req_free (req);
		310	croak (0);
		311	}
		312	}
		313
123	static void req_free (aio_req req)	314	static void req_free (aio_req req)
124	{	315	{
		316	if (req->grp)
		317	{
		318	aio_req grp = req->grp;
		319
		320	/* unlink request */
		321	if (req->grp_next) req->grp_next->grp_prev = req->grp_prev;
		322	if (req->grp_prev) req->grp_prev->grp_next = req->grp_next;
		323
		324	if (grp->grp_first == req)
		325	grp->grp_first = req->grp_next;
		326
		327	aio_grp_dec (grp);
		328	}
		329
125	if (req->self)	330	if (req->self)
126	{	331	{
127	sv_unmagic (req->self, PERL_MAGIC_ext);	332	sv_unmagic (req->self, PERL_MAGIC_ext);
128	SvREFCNT_dec (req->self);	333	SvREFCNT_dec (req->self);
129	}	334	}
130		335
131	if (req->data)
132	SvREFCNT_dec (req->data);	336	SvREFCNT_dec (req->data);
133
134	if (req->fh)
135	SvREFCNT_dec (req->fh);	337	SvREFCNT_dec (req->fh);
136
137	if (req->fh2)
138	SvREFCNT_dec (req->fh2);	338	SvREFCNT_dec (req->fh2);
139
140	if (req->statdata)
141	Safefree (req->statdata);
142
143	if (req->callback)
144	SvREFCNT_dec (req->callback);	339	SvREFCNT_dec (req->callback);
		340	Safefree (req->statdata);
145		341
146	if (req->type == REQ_READDIR && req->result >= 0)	342	if (req->type == REQ_READDIR && req->result >= 0)
147	free (req->data2ptr);	343	free (req->data2ptr);
148		344
149	Safefree (req);	345	Safefree (req);
150	}	346	}
151		347
152	static void	348	static void req_cancel (aio_req req)
153	poll_wait ()
154	{	349	{
155	if (nreqs && !ress)	350	req->flags \|= FLAG_CANCELLED;
156	{
157	fd_set rfd;
158	FD_ZERO(&rfd);
159	FD_SET(respipe [0], &rfd);
160		351
161	select (respipe [0] + 1, &rfd, 0, 0, 0);	352	if (req->type == REQ_GROUP)
162	}	353	{
163	}	354	aio_req sub;
164		355
165	static int	356	for (sub = req->grp_first; sub; sub = sub->grp_next)
166	poll_cb ()	357	req_cancel (sub);
		358	}
		359	}
		360
		361	static int poll_cb ()
167	{	362	{
168	dSP;	363	dSP;
169	int count = 0;	364	int count = 0;
170	int do_croak = 0;	365	int do_croak = 0;
171	aio_req req;	366	aio_req req;
…		…
193	pthread_mutex_unlock (&reslock);	388	pthread_mutex_unlock (&reslock);
194		389
195	if (!req)	390	if (!req)
196	break;	391	break;
197		392
198	nreqs--;	393	--nreqs;
199		394
200	if (req->type == REQ_QUIT)	395	if (req->type == REQ_QUIT)
201	started--;	396	started--;
		397	else if (req->type == REQ_GROUP && req->length)
		398	{
		399	req->fd = 1; /* mark request as delayed */
		400	continue;
		401	}
202	else	402	else
203	{	403	{
204	int errorno = errno;
205	errno = req->errorno;
206
207	if (req->type == REQ_READ)	404	if (req->type == REQ_READ)
208	SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0));	405	SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0));
209		406
210	if (req->data2ptr && (req->type == REQ_READ \|\| req->type == REQ_WRITE))	407	if (req->data2ptr && (req->type == REQ_READ \|\| req->type == REQ_WRITE))
211	SvREADONLY_off (req->data);	408	SvREADONLY_off (req->data);
…		…
215	PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT;	412	PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT;
216	PL_laststatval = req->result;	413	PL_laststatval = req->result;
217	PL_statcache = *(req->statdata);	414	PL_statcache = *(req->statdata);
218	}	415	}
219		416
220	ENTER;	417	req_invoke (req);
221	PUSHMARK (SP);
222		418
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++;	419	count++;
283	}	420	}
284		421
285	req_free (req);	422	req_free (req);
286	}	423	}
…		…
288	return count;	425	return count;
289	}	426	}
290		427
291	static void aio_proc(void arg);	428	static void aio_proc(void arg);
292		429
293	static void
294	start_thread (void)	430	static void start_thread (void)
295	{	431	{
296	sigset_t fullsigset, oldsigset;	432	sigset_t fullsigset, oldsigset;
297	pthread_t tid;	433	pthread_t tid;
298	pthread_attr_t attr;	434	pthread_attr_t attr;
299		435
…		…
308	started++;	444	started++;
309		445
310	sigprocmask (SIG_SETMASK, &oldsigset, 0);	446	sigprocmask (SIG_SETMASK, &oldsigset, 0);
311	}	447	}
312		448
313	static void
314	req_send (aio_req req)	449	static void req_send (aio_req req)
315	{	450	{
316	while (started < wanted && nreqs >= started)	451	while (started < wanted && nreqs >= started)
317	start_thread ();	452	start_thread ();
318		453
319	nreqs++;	454	++nreqs;
320		455
321	pthread_mutex_lock (&reqlock);	456	pthread_mutex_lock (&reqlock);
322		457
323	req->next = 0;	458	req->next = 0;
324		459
…		…
343		478
344	poll_wait ();	479	poll_wait ();
345	}	480	}
346	}	481	}
347		482
348	static void	483	static void end_thread (void)
349	end_thread (void)
350	{	484	{
351	aio_req req;	485	aio_req req;
352	Newz (0, req, 1, aio_cb);	486	Newz (0, req, 1, aio_cb);
353	req->type = REQ_QUIT;	487	req->type = REQ_QUIT;
354		488
…		…
405	* normal read/write by using a mutex. slows down execution a lot,	539	* normal read/write by using a mutex. slows down execution a lot,
406	* but that's your problem, not mine.	540	* but that's your problem, not mine.
407	*/	541	*/
408	static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER;	542	static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER;
409		543
410	static ssize_t	544	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	{	545	{
413	ssize_t res;	546	ssize_t res;
414	off_t ooffset;	547	off_t ooffset;
415		548
416	pthread_mutex_lock (&preadwritelock);	549	pthread_mutex_lock (&preadwritelock);
…		…
421	pthread_mutex_unlock (&preadwritelock);	554	pthread_mutex_unlock (&preadwritelock);
422		555
423	return res;	556	return res;
424	}	557	}
425		558
426	static ssize_t
427	pwrite (int fd, void *buf, size_t count, off_t offset)	559	static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset)
428	{	560	{
429	ssize_t res;	561	ssize_t res;
430	off_t ooffset;	562	off_t ooffset;
431		563
432	pthread_mutex_lock (&preadwritelock);	564	pthread_mutex_lock (&preadwritelock);
…		…
445	#endif	577	#endif
446		578
447	#if !HAVE_READAHEAD	579	#if !HAVE_READAHEAD
448	# define readahead aio_readahead	580	# define readahead aio_readahead
449		581
450	static ssize_t
451	readahead (int fd, off_t offset, size_t count)	582	static ssize_t readahead (int fd, off_t offset, size_t count)
452	{	583	{
453	char readahead_buf[4096];	584	char readahead_buf[4096];
454		585
455	while (count > 0)	586	while (count > 0)
456	{	587	{
…		…
468	#if !HAVE_READDIR_R	599	#if !HAVE_READDIR_R
469	# define readdir_r aio_readdir_r	600	# define readdir_r aio_readdir_r
470		601
471	static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER;	602	static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER;
472		603
473	static int
474	readdir_r (DIR dirp, struct dirent ent, struct dirent **res)	604	static int readdir_r (DIR dirp, struct dirent ent, struct dirent **res)
475	{	605	{
476	struct dirent *e;	606	struct dirent *e;
477	int errorno;	607	int errorno;
478		608
479	pthread_mutex_lock (&readdirlock);	609	pthread_mutex_lock (&readdirlock);
…		…
495	return e ? 0 : -1;	625	return e ? 0 : -1;
496	}	626	}
497	#endif	627	#endif
498		628
499	/* sendfile always needs emulation */	629	/* sendfile always needs emulation */
500	static ssize_t
501	sendfile_ (int ofd, int ifd, off_t offset, size_t count)	630	static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count)
502	{	631	{
503	ssize_t res;	632	ssize_t res;
504		633
505	if (!count)	634	if (!count)
506	return 0;	635	return 0;
…		…
588		717
589	return res;	718	return res;
590	}	719	}
591		720
592	/* read a full directory */	721	/* read a full directory */
593	static int
594	scandir_ (const char path, void *namesp)	722	static int scandir_ (const char path, void *namesp)
595	{	723	{
596	DIR *dirp = opendir (path);	724	DIR *dirp = opendir (path);
597	union	725	union
598	{	726	{
599	struct dirent d;	727	struct dirent d;
…		…
653	return res;	781	return res;
654	}	782	}
655		783
656	/*****************************************************************************/	784	/*****************************************************************************/
657		785
658	static void *
659	aio_proc (void *thr_arg)	786	static void aio_proc (void thr_arg)
660	{	787	{
661	aio_req req;	788	aio_req req;
662	int type;	789	int type;
663		790
664	do	791	do
…		…
682	}	809	}
683		810
684	pthread_mutex_unlock (&reqlock);	811	pthread_mutex_unlock (&reqlock);
685		812
686	errno = 0; /* strictly unnecessary */	813	errno = 0; /* strictly unnecessary */
		814	type = req->type; /* remember type for QUIT check */
687		815
688	if (!req->cancelled)	816	if (!(req->flags & FLAG_CANCELLED))
689	switch (req->type)	817	switch (type)
690	{	818	{
691	case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break;	819	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;	820	case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break;
693		821
694	case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break;	822	case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break;
…		…
708		836
709	case REQ_FDATASYNC: req->result = fdatasync (req->fd); break;	837	case REQ_FDATASYNC: req->result = fdatasync (req->fd); break;
710	case REQ_FSYNC: req->result = fsync (req->fd); break;	838	case REQ_FSYNC: req->result = fsync (req->fd); break;
711	case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break;	839	case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break;
712		840
		841	case REQ_SLEEP:
		842	{
		843	struct timeval tv;
		844
		845	tv.tv_sec = req->fd;
		846	tv.tv_usec = req->fd2;
		847
		848	req->result = select (0, 0, 0, 0, &tv);
		849	}
		850
		851	case REQ_GROUP:
		852	case REQ_NOP:
713	case REQ_QUIT:	853	case REQ_QUIT:
714	break;	854	break;
715		855
716	default:	856	default:
717	req->result = ENOSYS;	857	req->result = ENOSYS;
…		…
801	atfork_parent ();	941	atfork_parent ();
802	}	942	}
803		943
804	#define dREQ \	944	#define dREQ \
805	aio_req req; \	945	aio_req req; \
		946	int req_pri = next_pri; \
		947	next_pri = DEFAULT_PRI + PRI_BIAS; \
806	\	948	\
807	if (SvOK (callback) && !SvROK (callback)) \	949	if (SvOK (callback) && !SvROK (callback)) \
808	croak ("callback must be undef or of reference type"); \	950	croak ("callback must be undef or of reference type"); \
809	\	951	\
810	Newz (0, req, 1, aio_cb); \	952	Newz (0, req, 1, aio_cb); \
811	if (!req) \	953	if (!req) \
812	croak ("out of memory during aio_req allocation"); \	954	croak ("out of memory during aio_req allocation"); \
813	\	955	\
814	req->callback = newSVsv (callback)	956	req->callback = newSVsv (callback); \
		957	req->pri = req_pri
815		958
816	#define REQ_SEND \	959	#define REQ_SEND \
817	req_send (req); \	960	req_send (req); \
818	\	961	\
819	if (GIMME_V != G_VOID) \	962	if (GIMME_V != G_VOID) \
…		…
1073		1216
1074	REQ_SEND;	1217	REQ_SEND;
1075	}	1218	}
1076		1219
1077	void	1220	void
		1221	aio_sleep (delay,callback=&PL_sv_undef)
		1222	double delay
		1223	SV * callback
		1224	PPCODE:
		1225	{
		1226	dREQ;
		1227
		1228	req->type = REQ_SLEEP;
		1229	req->fd = delay < 0. ? 0 : delay;
		1230	req->fd2 = delay < 0. ? 0 : 1000. * (delay - req->fd);
		1231
		1232	REQ_SEND;
		1233	}
		1234
		1235	void
1078	aio_group (callback=&PL_sv_undef)	1236	aio_group (callback=&PL_sv_undef)
1079	SV * callback	1237	SV * callback
1080	PROTOTYPE: ;&	1238	PROTOTYPE: ;$
1081	PPCODE:	1239	PPCODE:
1082	{	1240	{
1083	dREQ;	1241	dREQ;
		1242
1084	req->type = REQ_GROUP;	1243	req->type = REQ_GROUP;
		1244	req_send (req);
		1245
1085	XPUSHs (req_sv (req, AIO_GRP_KLASS));	1246	XPUSHs (req_sv (req, AIO_GRP_KLASS));
1086	}	1247	}
		1248
		1249	void
		1250	aio_nop (callback=&PL_sv_undef)
		1251	SV * callback
		1252	PPCODE:
		1253	{
		1254	dREQ;
		1255
		1256	req->type = REQ_NOP;
		1257
		1258	REQ_SEND;
		1259	}
		1260
		1261	#if 0
		1262
		1263	void
		1264	aio_pri (int pri = DEFAULT_PRI)
		1265	CODE:
		1266	if (pri < PRI_MIN) pri = PRI_MIN;
		1267	if (pri > PRI_MAX) pri = PRI_MAX;
		1268	next_pri = pri + PRI_BIAS;
		1269
		1270	#endif
1087		1271
1088	void	1272	void
1089	flush ()	1273	flush ()
1090	PROTOTYPE:	1274	PROTOTYPE:
1091	CODE:	1275	CODE:
…		…
1134	CODE:	1318	CODE:
1135	RETVAL = nreqs;	1319	RETVAL = nreqs;
1136	OUTPUT:	1320	OUTPUT:
1137	RETVAL	1321	RETVAL
1138		1322
		1323	PROTOTYPES: DISABLE
		1324
1139	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1325	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1140		1326
1141	void	1327	void
1142	cancel (aio_req_ornot req)	1328	cancel (aio_req_ornot req)
1143	PROTOTYPE:	1329	PROTOTYPE:
1144	CODE:	1330	CODE:
1145	req->cancelled = 1;	1331	req_cancel (req);
1146		1332
		1333	void
		1334	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)
		1335	CODE:
		1336	SvREFCNT_dec (req->callback);
		1337	req->callback = newSVsv (callback);
		1338
		1339	MODULE = IO::AIO PACKAGE = IO::AIO::GRP
		1340
		1341	void
		1342	add (aio_req grp, ...)
		1343	PPCODE:
		1344	{
		1345	int i;
		1346	aio_req req;
		1347
		1348	if (grp->fd == 2)
		1349	croak ("cannot add requests to IO::AIO::GRP after the group finished");
		1350
		1351	for (i = 1; i < items; ++i )
		1352	{
		1353	if (GIMME_V != G_VOID)
		1354	XPUSHs (sv_2mortal (newSVsv (ST (i))));
		1355
		1356	req = SvAIO_REQ (ST (i));
		1357
		1358	if (req)
		1359	{
		1360	++grp->length;
		1361	req->grp = grp;
		1362
		1363	req->grp_prev = 0;
		1364	req->grp_next = grp->grp_first;
		1365
		1366	if (grp->grp_first)
		1367	grp->grp_first->grp_prev = req;
		1368
		1369	grp->grp_first = req;
		1370	}
		1371	}
		1372	}
		1373
		1374	void
		1375	result (aio_req grp, ...)
		1376	CODE:
		1377	{
		1378	int i;
		1379	AV *av = newAV ();
		1380
		1381	for (i = 1; i < items; ++i )
		1382	av_push (av, newSVsv (ST (i)));
		1383
		1384	SvREFCNT_dec (grp->data);
		1385	grp->data = (SV *)av;
		1386	}
		1387
		1388	void
		1389	feed_limit (aio_req grp, int limit)
		1390	CODE:
		1391	grp->fd2 = limit;
		1392	aio_grp_feed (grp);
		1393
		1394	void
		1395	feed (aio_req grp, SV *callback=&PL_sv_undef)
		1396	CODE:
		1397	{
		1398	SvREFCNT_dec (grp->fh2);
		1399	grp->fh2 = newSVsv (callback);
		1400
		1401	if (grp->fd2 <= 0)
		1402	grp->fd2 = 2;
		1403
		1404	aio_grp_feed (grp);
		1405	}
		1406

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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 1.62 by root, Mon Oct 23 22:45:18 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 1.62 by root, Mon Oct 23 22:45:18 2006 UTC