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

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.41 by root, Sat Jun 24 19:14:04 2006 UTC vs.
Revision 1.49 by root, Sun Oct 22 13:33:28 2006 UTC

…		…
9		9
10	#include <pthread.h>	10	#include <pthread.h>
11		11
12	#include <stddef.h>	12	#include <stddef.h>
13	#include <errno.h>	13	#include <errno.h>
		14	#include <sys/time.h>
		15	#include <sys/select.h>
14	#include <sys/types.h>	16	#include <sys/types.h>
15	#include <sys/stat.h>	17	#include <sys/stat.h>
16	#include <limits.h>	18	#include <limits.h>
17	#include <unistd.h>	19	#include <unistd.h>
18	#include <fcntl.h>	20	#include <fcntl.h>
…		…
53	REQ_STAT, REQ_LSTAT, REQ_FSTAT,	55	REQ_STAT, REQ_LSTAT, REQ_FSTAT,
54	REQ_FSYNC, REQ_FDATASYNC,	56	REQ_FSYNC, REQ_FDATASYNC,
55	REQ_UNLINK, REQ_RMDIR, REQ_RENAME,	57	REQ_UNLINK, REQ_RMDIR, REQ_RENAME,
56	REQ_READDIR,	58	REQ_READDIR,
57	REQ_LINK, REQ_SYMLINK,	59	REQ_LINK, REQ_SYMLINK,
		60	REQ_SLEEP,
		61	REQ_GROUP,
58	};	62	};
59		63
		64	#define AIO_REQ_KLASS "IO::AIO::REQ"
		65	#define AIO_GRP_KLASS "IO::AIO::GRP"
		66
60	typedef struct aio_cb {	67	typedef struct aio_cb
		68	{
61	struct aio_cb *volatile next;	69	struct aio_cb *volatile next;
62		70
63	int type;	71	struct aio_cb grp, grp_prev, grp_next, grp_first;
64		72
65	/* should receive a cleanup, with unions */	73	SV self; / the perl counterpart of this request, if any */
66	int fd, fd2;	74
		75	SV data, callback;
		76	SV fh, fh2;
		77	void dataptr, data2ptr;
		78	Stat_t *statdata;
67	off_t offset;	79	off_t offset;
68	size_t length;	80	size_t length;
69	ssize_t result;	81	ssize_t result;
		82
		83	int type;
		84	int fd, fd2;
		85	int errorno;
		86	STRLEN dataoffset;
70	mode_t mode; /* open */	87	mode_t mode; /* open */
71	int errorno;	88	unsigned char cancelled;
72	SV data, callback;
73	SV fh, fh2;
74	void dataptr, data2ptr;
75	STRLEN dataoffset;
76
77	Stat_t *statdata;
78	} aio_cb;	89	} aio_cb;
79		90
80	typedef aio_cb *aio_req;	91	typedef aio_cb *aio_req;
		92	typedef aio_cb *aio_req_ornot;
81		93
82	static int started, wanted;	94	static int started, wanted;
83	static volatile int nreqs;	95	static volatile int nreqs;
84	static int max_outstanding = 1<<30;	96	static int max_outstanding = 1<<30;
85	static int respipe [2];	97	static int respipe [2];
…		…
89	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;	101	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;
90		102
91	static volatile aio_req reqs, reqe; /* queue start, queue end */	103	static volatile aio_req reqs, reqe; /* queue start, queue end */
92	static volatile aio_req ress, rese; /* queue start, queue end */	104	static volatile aio_req ress, rese; /* queue start, queue end */
93		105
94	static void free_req (aio_req req)	106	static void req_free (aio_req req);
95	{
96	if (req->data)
97	SvREFCNT_dec (req->data);
98		107
		108	/* must be called at most once */
		109	static SV req_sv (aio_req req, const char klass)
		110	{
99	if (req->fh)	111	if (!req->self)
100	SvREFCNT_dec (req->fh);	112	{
		113	req->self = (SV *)newHV ();
		114	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
		115	}
101		116
102	if (req->fh2)	117	return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1)));
		118	}
		119
		120	static aio_req SvAIO_REQ (SV *sv)
		121	{
		122	if (!sv_derived_from (sv, AIO_REQ_KLASS) \|\| !SvROK (sv))
		123	croak ("object of class " AIO_REQ_KLASS " expected");
		124
		125	MAGIC *mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
		126
		127	return mg ? (aio_req)mg->mg_ptr : 0;
		128	}
		129
		130	static void aio_grp_feed (aio_req grp)
		131	{
		132	while (grp->length < grp->fd2)
		133	{
		134	int old_len = grp->length;
		135
		136	if (grp->fh2 && SvOK (grp->fh2))
		137	{
		138	dSP;
		139
		140	ENTER;
		141	SAVETMPS;
		142	PUSHMARK (SP);
		143	XPUSHs (req_sv (grp, AIO_GRP_KLASS));
		144	PUTBACK;
		145	call_sv (grp->fh2, G_VOID \| G_EVAL);
		146	SPAGAIN;
		147	FREETMPS;
		148	LEAVE;
		149	}
		150
		151	/* stop if no progress has been made */
		152	if (old_len == grp->length)
		153	{
103	SvREFCNT_dec (req->fh2);	154	SvREFCNT_dec (grp->fh2);
104		155	grp->fh2 = 0;
105	if (req->statdata)	156	break;
106	Safefree (req->statdata);	157	}
107		158	}
108	if (req->callback)
109	SvREFCNT_dec (req->callback);
110
111	if (req->type == REQ_READDIR && req->result >= 0)
112	free (req->data2ptr);
113
114	Safefree (req);
115	}	159	}
116		160
117	static void	161	static void poll_wait ()
118	poll_wait ()
119	{	162	{
120	if (nreqs && !ress)	163	if (nreqs && !ress)
121	{	164	{
122	fd_set rfd;	165	fd_set rfd;
123	FD_ZERO(&rfd);	166	FD_ZERO(&rfd);
…		…
125		168
126	select (respipe [0] + 1, &rfd, 0, 0, 0);	169	select (respipe [0] + 1, &rfd, 0, 0, 0);
127	}	170	}
128	}	171	}
129		172
130	static int	173	static void req_invoke (aio_req req)
131	poll_cb ()	174	{
		175	dSP;
		176	int errorno = errno;
		177
		178	if (req->cancelled \|\| !SvOK (req->callback))
		179	return;
		180
		181	errno = req->errorno;
		182
		183	ENTER;
		184	SAVETMPS;
		185	PUSHMARK (SP);
		186	EXTEND (SP, 1);
		187
		188	switch (req->type)
		189	{
		190	case REQ_READDIR:
		191	{
		192	SV *rv = &PL_sv_undef;
		193
		194	if (req->result >= 0)
		195	{
		196	char *buf = req->data2ptr;
		197	AV *av = newAV ();
		198
		199	while (req->result)
		200	{
		201	SV *sv = newSVpv (buf, 0);
		202
		203	av_push (av, sv);
		204	buf += SvCUR (sv) + 1;
		205	req->result--;
		206	}
		207
		208	rv = sv_2mortal (newRV_noinc ((SV *)av));
		209	}
		210
		211	PUSHs (rv);
		212	}
		213	break;
		214
		215	case REQ_OPEN:
		216	{
		217	/* convert fd to fh */
		218	SV *fh;
		219
		220	PUSHs (sv_2mortal (newSViv (req->result)));
		221	PUTBACK;
		222	call_pv ("IO::AIO::_fd2fh", G_SCALAR \| G_EVAL);
		223	SPAGAIN;
		224
		225	fh = SvREFCNT_inc (POPs);
		226
		227	PUSHMARK (SP);
		228	XPUSHs (sv_2mortal (fh));
		229	}
		230	break;
		231
		232	case REQ_GROUP:
		233	req->fd = 2; /* mark group as finished */
		234
		235	if (req->data)
		236	{
		237	int i;
		238	AV av = (AV )req->data;
		239
		240	EXTEND (SP, AvFILL (av) + 1);
		241	for (i = 0; i <= AvFILL (av); ++i)
		242	PUSHs (*av_fetch (av, i, 0));
		243	}
		244	break;
		245
		246	case REQ_SLEEP:
		247	break;
		248
		249	default:
		250	PUSHs (sv_2mortal (newSViv (req->result)));
		251	break;
		252	}
		253
		254
		255	PUTBACK;
		256	call_sv (req->callback, G_VOID \| G_EVAL);
		257	SPAGAIN;
		258
		259	if (SvTRUE (ERRSV))
		260	{
		261	req_free (req);
		262	croak (0);
		263	}
		264
		265	FREETMPS;
		266	LEAVE;
		267
		268	errno = errorno;
		269	}
		270
		271	static void req_free (aio_req req)
		272	{
		273	if (req->grp)
		274	{
		275	aio_req grp = req->grp;
		276
		277	/* unlink request */
		278	if (req->grp_next) req->grp_next->grp_prev = req->grp_prev;
		279	if (req->grp_prev) req->grp_prev->grp_next = req->grp_next;
		280
		281	if (grp->grp_first == req)
		282	grp->grp_first = req->grp_next;
		283
		284	--grp->length;
		285
		286	/* call feeder, if applicable */
		287	aio_grp_feed (grp);
		288
		289	/* finish, if done */
		290	if (!grp->length && grp->fd)
		291	{
		292	req_invoke (grp);
		293	req_free (grp);
		294	}
		295	}
		296
		297	if (req->self)
		298	{
		299	sv_unmagic (req->self, PERL_MAGIC_ext);
		300	SvREFCNT_dec (req->self);
		301	}
		302
		303	SvREFCNT_dec (req->data);
		304	SvREFCNT_dec (req->fh);
		305	SvREFCNT_dec (req->fh2);
		306	SvREFCNT_dec (req->callback);
		307	Safefree (req->statdata);
		308
		309	if (req->type == REQ_READDIR && req->result >= 0)
		310	free (req->data2ptr);
		311
		312	Safefree (req);
		313	}
		314
		315	static void req_cancel (aio_req req)
		316	{
		317	req->cancelled = 1;
		318
		319	if (req->type == REQ_GROUP)
		320	{
		321	aio_req sub;
		322
		323	for (sub = req->grp_first; sub; sub = sub->grp_next)
		324	req_cancel (sub);
		325	}
		326	}
		327
		328	static int poll_cb ()
132	{	329	{
133	dSP;	330	dSP;
134	int count = 0;	331	int count = 0;
135	int do_croak = 0;	332	int do_croak = 0;
136	aio_req req;	333	aio_req req;
…		…
162		359
163	nreqs--;	360	nreqs--;
164		361
165	if (req->type == REQ_QUIT)	362	if (req->type == REQ_QUIT)
166	started--;	363	started--;
		364	else if (req->type == REQ_GROUP && req->length)
		365	{
		366	req->fd = 1; /* mark request as delayed */
		367	continue;
		368	}
167	else	369	else
168	{	370	{
169	int errorno = errno;
170	errno = req->errorno;
171
172	if (req->type == REQ_READ)	371	if (req->type == REQ_READ)
173	SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0));	372	SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0));
174		373
175	if (req->data2ptr && (req->type == REQ_READ \|\| req->type == REQ_WRITE))	374	if (req->data2ptr && (req->type == REQ_READ \|\| req->type == REQ_WRITE))
176	SvREADONLY_off (req->data);	375	SvREADONLY_off (req->data);
…		…
180	PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT;	379	PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT;
181	PL_laststatval = req->result;	380	PL_laststatval = req->result;
182	PL_statcache = *(req->statdata);	381	PL_statcache = *(req->statdata);
183	}	382	}
184		383
185	ENTER;	384	req_invoke (req);
186	PUSHMARK (SP);
187		385
188	if (req->type == REQ_READDIR)
189	{
190	SV *rv = &PL_sv_undef;
191
192	if (req->result >= 0)
193	{
194	char *buf = req->data2ptr;
195	AV *av = newAV ();
196
197	while (req->result)
198	{
199	SV *sv = newSVpv (buf, 0);
200
201	av_push (av, sv);
202	buf += SvCUR (sv) + 1;
203	req->result--;
204	}
205
206	rv = sv_2mortal (newRV_noinc ((SV *)av));
207	}
208
209	XPUSHs (rv);
210	}
211	else
212	{
213	XPUSHs (sv_2mortal (newSViv (req->result)));
214
215	if (req->type == REQ_OPEN)
216	{
217	/* convert fd to fh */
218	SV *fh;
219
220	PUTBACK;
221	call_pv ("IO::AIO::_fd2fh", G_SCALAR \| G_EVAL);
222	SPAGAIN;
223
224	fh = SvREFCNT_inc (POPs);
225
226	PUSHMARK (SP);
227	XPUSHs (sv_2mortal (fh));
228	}
229	}
230
231	if (SvOK (req->callback))
232	{
233	PUTBACK;
234	call_sv (req->callback, G_VOID \| G_EVAL);
235	SPAGAIN;
236
237	if (SvTRUE (ERRSV))
238	{
239	free_req (req);
240	croak (0);
241	}
242	}
243
244	LEAVE;
245
246	errno = errorno;
247	count++;	386	count++;
248	}	387	}
249		388
250	free_req (req);	389	req_free (req);
251	}	390	}
252		391
253	return count;	392	return count;
254	}	393	}
255		394
256	static void aio_proc(void arg);	395	static void aio_proc(void arg);
257		396
258	static void
259	start_thread (void)	397	static void start_thread (void)
260	{	398	{
261	sigset_t fullsigset, oldsigset;	399	sigset_t fullsigset, oldsigset;
262	pthread_t tid;	400	pthread_t tid;
263	pthread_attr_t attr;	401	pthread_attr_t attr;
264		402
…		…
273	started++;	411	started++;
274		412
275	sigprocmask (SIG_SETMASK, &oldsigset, 0);	413	sigprocmask (SIG_SETMASK, &oldsigset, 0);
276	}	414	}
277		415
278	static void	416	static void req_send (aio_req req)
279	send_req (aio_req req)
280	{	417	{
281	while (started < wanted && nreqs >= started)	418	while (started < wanted && nreqs >= started)
282	start_thread ();	419	start_thread ();
283		420
284	nreqs++;	421	nreqs++;
…		…
308		445
309	poll_wait ();	446	poll_wait ();
310	}	447	}
311	}	448	}
312		449
313	static void	450	static void end_thread (void)
314	end_thread (void)
315	{	451	{
316	aio_req req;	452	aio_req req;
317	Newz (0, req, 1, aio_cb);	453	Newz (0, req, 1, aio_cb);
318	req->type = REQ_QUIT;	454	req->type = REQ_QUIT;
319		455
320	send_req (req);	456	req_send (req);
321	}	457	}
322		458
323	static void min_parallel (int nthreads)	459	static void min_parallel (int nthreads)
324	{	460	{
325	if (wanted < nthreads)	461	if (wanted < nthreads)
…		…
370	* normal read/write by using a mutex. slows down execution a lot,	506	* normal read/write by using a mutex. slows down execution a lot,
371	* but that's your problem, not mine.	507	* but that's your problem, not mine.
372	*/	508	*/
373	static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER;	509	static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER;
374		510
375	static ssize_t	511	static ssize_t pread (int fd, void *buf, size_t count, off_t offset)
376	pread (int fd, void *buf, size_t count, off_t offset)
377	{	512	{
378	ssize_t res;	513	ssize_t res;
379	off_t ooffset;	514	off_t ooffset;
380		515
381	pthread_mutex_lock (&preadwritelock);	516	pthread_mutex_lock (&preadwritelock);
…		…
386	pthread_mutex_unlock (&preadwritelock);	521	pthread_mutex_unlock (&preadwritelock);
387		522
388	return res;	523	return res;
389	}	524	}
390		525
391	static ssize_t
392	pwrite (int fd, void *buf, size_t count, off_t offset)	526	static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset)
393	{	527	{
394	ssize_t res;	528	ssize_t res;
395	off_t ooffset;	529	off_t ooffset;
396		530
397	pthread_mutex_lock (&preadwritelock);	531	pthread_mutex_lock (&preadwritelock);
…		…
410	#endif	544	#endif
411		545
412	#if !HAVE_READAHEAD	546	#if !HAVE_READAHEAD
413	# define readahead aio_readahead	547	# define readahead aio_readahead
414		548
415	static ssize_t
416	readahead (int fd, off_t offset, size_t count)	549	static ssize_t readahead (int fd, off_t offset, size_t count)
417	{	550	{
418	char readahead_buf[4096];	551	char readahead_buf[4096];
419		552
420	while (count > 0)	553	while (count > 0)
421	{	554	{
…		…
433	#if !HAVE_READDIR_R	566	#if !HAVE_READDIR_R
434	# define readdir_r aio_readdir_r	567	# define readdir_r aio_readdir_r
435		568
436	static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER;	569	static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER;
437		570
438	static int
439	readdir_r (DIR dirp, struct dirent ent, struct dirent **res)	571	static int readdir_r (DIR dirp, struct dirent ent, struct dirent **res)
440	{	572	{
441	struct dirent *e;	573	struct dirent *e;
442	int errorno;	574	int errorno;
443		575
444	pthread_mutex_lock (&readdirlock);	576	pthread_mutex_lock (&readdirlock);
…		…
460	return e ? 0 : -1;	592	return e ? 0 : -1;
461	}	593	}
462	#endif	594	#endif
463		595
464	/* sendfile always needs emulation */	596	/* sendfile always needs emulation */
465	static ssize_t
466	sendfile_ (int ofd, int ifd, off_t offset, size_t count)	597	static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count)
467	{	598	{
468	ssize_t res;	599	ssize_t res;
469		600
470	if (!count)	601	if (!count)
471	return 0;	602	return 0;
…		…
553		684
554	return res;	685	return res;
555	}	686	}
556		687
557	/* read a full directory */	688	/* read a full directory */
558	static int
559	scandir_ (const char path, void *namesp)	689	static int scandir_ (const char path, void *namesp)
560	{	690	{
561	DIR *dirp = opendir (path);	691	DIR *dirp = opendir (path);
562	union	692	union
563	{	693	{
564	struct dirent d;	694	struct dirent d;
…		…
618	return res;	748	return res;
619	}	749	}
620		750
621	/*****************************************************************************/	751	/*****************************************************************************/
622		752
623	static void *
624	aio_proc (void *thr_arg)	753	static void aio_proc (void thr_arg)
625	{	754	{
626	aio_req req;	755	aio_req req;
627	int type;	756	int type;
628		757
629	do	758	do
…		…
648		777
649	pthread_mutex_unlock (&reqlock);	778	pthread_mutex_unlock (&reqlock);
650		779
651	errno = 0; /* strictly unnecessary */	780	errno = 0; /* strictly unnecessary */
652		781
653	type = req->type;	782	if (!req->cancelled)
654
655	switch (type)	783	switch (req->type)
656	{	784	{
657	case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break;	785	case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break;
658	case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break;	786	case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break;
659		787
660	case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break;	788	case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break;
661	case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length); break;	789	case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length); break;
662		790
663	case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break;	791	case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break;
664	case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break;	792	case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break;
665	case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break;	793	case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break;
666		794
667	case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break;	795	case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break;
668	case REQ_CLOSE: req->result = close (req->fd); break;	796	case REQ_CLOSE: req->result = close (req->fd); break;
669	case REQ_UNLINK: req->result = unlink (req->dataptr); break;	797	case REQ_UNLINK: req->result = unlink (req->dataptr); break;
670	case REQ_RMDIR: req->result = rmdir (req->dataptr); break;	798	case REQ_RMDIR: req->result = rmdir (req->dataptr); break;
671	case REQ_RENAME: req->result = rename (req->data2ptr, req->dataptr); break;	799	case REQ_RENAME: req->result = rename (req->data2ptr, req->dataptr); break;
672	case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break;	800	case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break;
673	case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break;	801	case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break;
674		802
675	case REQ_FDATASYNC: req->result = fdatasync (req->fd); break;	803	case REQ_FDATASYNC: req->result = fdatasync (req->fd); break;
676	case REQ_FSYNC: req->result = fsync (req->fd); break;	804	case REQ_FSYNC: req->result = fsync (req->fd); break;
677	case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break;	805	case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break;
678		806
		807	case REQ_SLEEP:
		808	{
		809	struct timeval tv;
		810
		811	tv.tv_sec = req->fd;
		812	tv.tv_usec = req->fd2;
		813
		814	req->result = select (0, 0, 0, 0, &tv);
		815	}
		816
679	case REQ_QUIT:	817	case REQ_QUIT:
680	break;	818	break;
681		819
682	default:	820	default:
683	req->result = ENOSYS;	821	req->result = ENOSYS;
684	break;	822	break;
685	}	823	}
686		824
687	req->errorno = errno;	825	req->errorno = errno;
688		826
689	pthread_mutex_lock (&reslock);	827	pthread_mutex_lock (&reslock);
690		828
…		…
744		882
745	while (reqs)	883	while (reqs)
746	{	884	{
747	prv = reqs;	885	prv = reqs;
748	reqs = prv->next;	886	reqs = prv->next;
749	free_req (prv);	887	req_free (prv);
750	}	888	}
751		889
752	reqs = reqe = 0;	890	reqs = reqe = 0;
753		891
754	while (ress)	892	while (ress)
755	{	893	{
756	prv = ress;	894	prv = ress;
757	ress = prv->next;	895	ress = prv->next;
758	free_req (prv);	896	req_free (prv);
759	}	897	}
760		898
761	ress = rese = 0;	899	ress = rese = 0;
762		900
763	close (respipe [0]);	901	close (respipe [0]);
…		…
769		907
770	#define dREQ \	908	#define dREQ \
771	aio_req req; \	909	aio_req req; \
772	\	910	\
773	if (SvOK (callback) && !SvROK (callback)) \	911	if (SvOK (callback) && !SvROK (callback)) \
774	croak ("clalback must be undef or of reference type"); \	912	croak ("callback must be undef or of reference type"); \
775	\	913	\
776	Newz (0, req, 1, aio_cb); \	914	Newz (0, req, 1, aio_cb); \
777	if (!req) \	915	if (!req) \
778	croak ("out of memory during aio_req allocation"); \	916	croak ("out of memory during aio_req allocation"); \
779	\	917	\
780	req->callback = newSVsv (callback);	918	req->callback = newSVsv (callback)
		919
		920	#define REQ_SEND \
		921	req_send (req); \
		922	\
		923	if (GIMME_V != G_VOID) \
		924	XPUSHs (req_sv (req, AIO_REQ_KLASS));
781		925
782	MODULE = IO::AIO PACKAGE = IO::AIO	926	MODULE = IO::AIO PACKAGE = IO::AIO
783		927
784	PROTOTYPES: ENABLE	928	PROTOTYPES: ENABLE
785		929
…		…
817	SV * pathname	961	SV * pathname
818	int flags	962	int flags
819	int mode	963	int mode
820	SV * callback	964	SV * callback
821	PROTOTYPE: $$$;$	965	PROTOTYPE: $$$;$
822	CODE:	966	PPCODE:
823	{	967	{
824	dREQ;	968	dREQ;
825		969
826	req->type = REQ_OPEN;	970	req->type = REQ_OPEN;
827	req->data = newSVsv (pathname);	971	req->data = newSVsv (pathname);
828	req->dataptr = SvPVbyte_nolen (req->data);	972	req->dataptr = SvPVbyte_nolen (req->data);
829	req->fd = flags;	973	req->fd = flags;
830	req->mode = mode;	974	req->mode = mode;
831		975
832	send_req (req);	976	REQ_SEND;
833	}	977	}
834		978
835	void	979	void
836	aio_close (fh,callback=&PL_sv_undef)	980	aio_close (fh,callback=&PL_sv_undef)
837	SV * fh	981	SV * fh
…		…
839	PROTOTYPE: $;$	983	PROTOTYPE: $;$
840	ALIAS:	984	ALIAS:
841	aio_close = REQ_CLOSE	985	aio_close = REQ_CLOSE
842	aio_fsync = REQ_FSYNC	986	aio_fsync = REQ_FSYNC
843	aio_fdatasync = REQ_FDATASYNC	987	aio_fdatasync = REQ_FDATASYNC
844	CODE:	988	PPCODE:
845	{	989	{
846	dREQ;	990	dREQ;
847		991
848	req->type = ix;	992	req->type = ix;
849	req->fh = newSVsv (fh);	993	req->fh = newSVsv (fh);
850	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));	994	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));
851		995
852	send_req (req);	996	REQ_SEND (req);
853	}	997	}
854		998
855	void	999	void
856	aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef)	1000	aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef)
857	SV * fh	1001	SV * fh
…		…
862	SV * callback	1006	SV * callback
863	ALIAS:	1007	ALIAS:
864	aio_read = REQ_READ	1008	aio_read = REQ_READ
865	aio_write = REQ_WRITE	1009	aio_write = REQ_WRITE
866	PROTOTYPE: $$$$$;$	1010	PROTOTYPE: $$$$$;$
867	CODE:	1011	PPCODE:
868	{	1012	{
869	aio_req req;	1013	aio_req req;
870	STRLEN svlen;	1014	STRLEN svlen;
871	char *svptr = SvPVbyte (data, svlen);	1015	char *svptr = SvPVbyte (data, svlen);
872		1016
…		…
910	{	1054	{
911	SvREADONLY_on (data);	1055	SvREADONLY_on (data);
912	req->data2ptr = (void *)data;	1056	req->data2ptr = (void *)data;
913	}	1057	}
914		1058
915	send_req (req);	1059	REQ_SEND;
916	}	1060	}
917	}	1061	}
918		1062
919	void	1063	void
920	aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef)	1064	aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef)
…		…
922	SV * in_fh	1066	SV * in_fh
923	UV in_offset	1067	UV in_offset
924	UV length	1068	UV length
925	SV * callback	1069	SV * callback
926	PROTOTYPE: $$$$;$	1070	PROTOTYPE: $$$$;$
927	CODE:	1071	PPCODE:
928	{	1072	{
929	dREQ;	1073	dREQ;
930		1074
931	req->type = REQ_SENDFILE;	1075	req->type = REQ_SENDFILE;
932	req->fh = newSVsv (out_fh);	1076	req->fh = newSVsv (out_fh);
…		…
934	req->fh2 = newSVsv (in_fh);	1078	req->fh2 = newSVsv (in_fh);
935	req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));	1079	req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));
936	req->offset = in_offset;	1080	req->offset = in_offset;
937	req->length = length;	1081	req->length = length;
938		1082
939	send_req (req);	1083	REQ_SEND;
940	}	1084	}
941		1085
942	void	1086	void
943	aio_readahead (fh,offset,length,callback=&PL_sv_undef)	1087	aio_readahead (fh,offset,length,callback=&PL_sv_undef)
944	SV * fh	1088	SV * fh
945	UV offset	1089	UV offset
946	IV length	1090	IV length
947	SV * callback	1091	SV * callback
948	PROTOTYPE: $$$;$	1092	PROTOTYPE: $$$;$
949	CODE:	1093	PPCODE:
950	{	1094	{
951	dREQ;	1095	dREQ;
952		1096
953	req->type = REQ_READAHEAD;	1097	req->type = REQ_READAHEAD;
954	req->fh = newSVsv (fh);	1098	req->fh = newSVsv (fh);
955	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));	1099	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));
956	req->offset = offset;	1100	req->offset = offset;
957	req->length = length;	1101	req->length = length;
958		1102
959	send_req (req);	1103	REQ_SEND;
960	}	1104	}
961		1105
962	void	1106	void
963	aio_stat (fh_or_path,callback=&PL_sv_undef)	1107	aio_stat (fh_or_path,callback=&PL_sv_undef)
964	SV * fh_or_path	1108	SV * fh_or_path
965	SV * callback	1109	SV * callback
966	ALIAS:	1110	ALIAS:
967	aio_stat = REQ_STAT	1111	aio_stat = REQ_STAT
968	aio_lstat = REQ_LSTAT	1112	aio_lstat = REQ_LSTAT
969	CODE:	1113	PPCODE:
970	{	1114	{
971	dREQ;	1115	dREQ;
972		1116
973	New (0, req->statdata, 1, Stat_t);	1117	New (0, req->statdata, 1, Stat_t);
974	if (!req->statdata)	1118	if (!req->statdata)
975	{	1119	{
976	free_req (req);	1120	req_free (req);
977	croak ("out of memory during aio_req->statdata allocation");	1121	croak ("out of memory during aio_req->statdata allocation");
978	}	1122	}
979		1123
980	if (SvPOK (fh_or_path))	1124	if (SvPOK (fh_or_path))
981	{	1125	{
…		…
988	req->type = REQ_FSTAT;	1132	req->type = REQ_FSTAT;
989	req->fh = newSVsv (fh_or_path);	1133	req->fh = newSVsv (fh_or_path);
990	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	1134	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
991	}	1135	}
992		1136
993	send_req (req);	1137	REQ_SEND;
994	}	1138	}
995		1139
996	void	1140	void
997	aio_unlink (pathname,callback=&PL_sv_undef)	1141	aio_unlink (pathname,callback=&PL_sv_undef)
998	SV * pathname	1142	SV * pathname
999	SV * callback	1143	SV * callback
1000	ALIAS:	1144	ALIAS:
1001	aio_unlink = REQ_UNLINK	1145	aio_unlink = REQ_UNLINK
1002	aio_rmdir = REQ_RMDIR	1146	aio_rmdir = REQ_RMDIR
1003	aio_readdir = REQ_READDIR	1147	aio_readdir = REQ_READDIR
1004	CODE:	1148	PPCODE:
1005	{	1149	{
1006	dREQ;	1150	dREQ;
1007		1151
1008	req->type = ix;	1152	req->type = ix;
1009	req->data = newSVsv (pathname);	1153	req->data = newSVsv (pathname);
1010	req->dataptr = SvPVbyte_nolen (req->data);	1154	req->dataptr = SvPVbyte_nolen (req->data);
1011		1155
1012	send_req (req);	1156	REQ_SEND;
1013	}	1157	}
1014		1158
1015	void	1159	void
1016	aio_link (oldpath,newpath,callback=&PL_sv_undef)	1160	aio_link (oldpath,newpath,callback=&PL_sv_undef)
1017	SV * oldpath	1161	SV * oldpath
…		…
1019	SV * callback	1163	SV * callback
1020	ALIAS:	1164	ALIAS:
1021	aio_link = REQ_LINK	1165	aio_link = REQ_LINK
1022	aio_symlink = REQ_SYMLINK	1166	aio_symlink = REQ_SYMLINK
1023	aio_rename = REQ_RENAME	1167	aio_rename = REQ_RENAME
1024	CODE:	1168	PPCODE:
1025	{	1169	{
1026	dREQ;	1170	dREQ;
1027		1171
1028	req->type = ix;	1172	req->type = ix;
1029	req->fh = newSVsv (oldpath);	1173	req->fh = newSVsv (oldpath);
1030	req->data2ptr = SvPVbyte_nolen (req->fh);	1174	req->data2ptr = SvPVbyte_nolen (req->fh);
1031	req->data = newSVsv (newpath);	1175	req->data = newSVsv (newpath);
1032	req->dataptr = SvPVbyte_nolen (req->data);	1176	req->dataptr = SvPVbyte_nolen (req->data);
1033		1177
1034	send_req (req);	1178	REQ_SEND;
		1179	}
		1180
		1181	void
		1182	aio_sleep (delay,callback=&PL_sv_undef)
		1183	double delay
		1184	SV * callback
		1185	PPCODE:
		1186	{
		1187	dREQ;
		1188
		1189	req->type = REQ_SLEEP;
		1190	req->fd = delay < 0. ? 0 : delay;
		1191	req->fd2 = delay < 0. ? 0 : 1000. * (delay - req->fd);
		1192
		1193	REQ_SEND;
		1194	}
		1195
		1196	void
		1197	aio_group (callback=&PL_sv_undef)
		1198	SV * callback
		1199	PROTOTYPE: ;$
		1200	PPCODE:
		1201	{
		1202	dREQ;
		1203	req->type = REQ_GROUP;
		1204	req_send (req);
		1205	XPUSHs (req_sv (req, AIO_GRP_KLASS));
1035	}	1206	}
1036		1207
1037	void	1208	void
1038	flush ()	1209	flush ()
1039	PROTOTYPE:	1210	PROTOTYPE:
…		…
1083	CODE:	1254	CODE:
1084	RETVAL = nreqs;	1255	RETVAL = nreqs;
1085	OUTPUT:	1256	OUTPUT:
1086	RETVAL	1257	RETVAL
1087		1258
		1259	PROTOTYPES: DISABLE
		1260
		1261	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
		1262
		1263	void
		1264	cancel (aio_req_ornot req)
		1265	PROTOTYPE:
		1266	CODE:
		1267	req_cancel (req);
		1268
		1269	MODULE = IO::AIO PACKAGE = IO::AIO::GRP
		1270
		1271	void
		1272	add (aio_req grp, ...)
		1273	PPCODE:
		1274	{
		1275	int i;
		1276
		1277	if (grp->fd == 2)
		1278	croak ("cannot add requests to IO::AIO::GRP after the group finished");
		1279
		1280	for (i = 1; i < items; ++i )
		1281	{
		1282	if (GIMME_V != G_VOID)
		1283	XPUSHs (sv_2mortal (newSVsv (ST (i))));
		1284
		1285	aio_req req = SvAIO_REQ (ST (i));
		1286
		1287	if (req)
		1288	{
		1289	++grp->length;
		1290	req->grp = grp;
		1291
		1292	req->grp_prev = 0;
		1293	req->grp_next = grp->grp_first;
		1294
		1295	if (grp->grp_first)
		1296	grp->grp_first->grp_prev = req;
		1297
		1298	grp->grp_first = req;
		1299	}
		1300	}
		1301	}
		1302
		1303	void
		1304	result (aio_req grp, ...)
		1305	CODE:
		1306	{
		1307	int i;
		1308	AV *av = newAV ();
		1309
		1310	for (i = 1; i < items; ++i )
		1311	av_push (av, newSVsv (ST (i)));
		1312
		1313	SvREFCNT_dec (grp->data);
		1314	grp->data = (SV *)av;
		1315	}
		1316
		1317	void
		1318	feeder_limit (aio_req grp, int limit)
		1319	CODE:
		1320	grp->fd2 = limit;
		1321	aio_grp_feed (grp);
		1322
		1323	void
		1324	set_feeder (aio_req grp, SV *callback=&PL_sv_undef)
		1325	CODE:
		1326	{
		1327	SvREFCNT_dec (grp->fh2);
		1328	grp->fh2 = newSVsv (callback);
		1329
		1330	if (grp->fd2 <= 0)
		1331	grp->fd2 = 2;
		1332
		1333	aio_grp_feed (grp);
		1334	}
		1335

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Comparing IO-AIO/AIO.xs (file contents): Revision 1.41 by root, Sat Jun 24 19:14:04 2006 UTC vs. Revision 1.49 by root, Sun Oct 22 13:33:28 2006 UTC

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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.41 by root, Sat Jun 24 19:14:04 2006 UTC vs.
Revision 1.49 by root, Sun Oct 22 13:33:28 2006 UTC