[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 1.54 by root, Mon Oct 23 00:34:36 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_GROUP, REQ_NOP,
		61	REQ_SLEEP,
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
		106	static void req_invoke (aio_req req);
94	static void free_req (aio_req req)	107	static void req_free (aio_req req);
95	{
96	if (req->data)
97	SvREFCNT_dec (req->data);
98		108
		109	/* must be called at most once */
		110	static SV req_sv (aio_req req, const char klass)
		111	{
99	if (req->fh)	112	if (!req->self)
100	SvREFCNT_dec (req->fh);	113	{
		114	req->self = (SV *)newHV ();
		115	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
		116	}
101		117
102	if (req->fh2)	118	return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1)));
		119	}
		120
		121	static aio_req SvAIO_REQ (SV *sv)
		122	{
		123	MAGIC *mg;
		124
		125	if (!sv_derived_from (sv, AIO_REQ_KLASS) \|\| !SvROK (sv))
		126	croak ("object of class " AIO_REQ_KLASS " expected");
		127
		128	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
		129
		130	return mg ? (aio_req)mg->mg_ptr : 0;
		131	}
		132
		133	static void aio_grp_feed (aio_req grp)
		134	{
		135	while (grp->length < grp->fd2)
		136	{
		137	int old_len = grp->length;
		138
		139	if (grp->fh2 && SvOK (grp->fh2))
		140	{
		141	dSP;
		142
		143	ENTER;
		144	SAVETMPS;
		145	PUSHMARK (SP);
		146	XPUSHs (req_sv (grp, AIO_GRP_KLASS));
		147	PUTBACK;
		148	call_sv (grp->fh2, G_VOID \| G_EVAL);
		149	SPAGAIN;
		150	FREETMPS;
		151	LEAVE;
		152	}
		153
		154	/* stop if no progress has been made */
		155	if (old_len == grp->length)
		156	{
103	SvREFCNT_dec (req->fh2);	157	SvREFCNT_dec (grp->fh2);
104		158	grp->fh2 = 0;
105	if (req->statdata)	159	break;
106	Safefree (req->statdata);	160	}
107		161	}
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	}	162	}
116		163
117	static void	164	static void aio_grp_dec (aio_req grp)
118	poll_wait ()	165	{
		166	--grp->length;
		167
		168	/* call feeder, if applicable */
		169	aio_grp_feed (grp);
		170
		171	/* finish, if done */
		172	if (!grp->length && grp->fd)
		173	{
		174	req_invoke (grp);
		175	req_free (grp);
		176	}
		177	}
		178
		179	static void poll_wait ()
119	{	180	{
120	if (nreqs && !ress)	181	if (nreqs && !ress)
121	{	182	{
122	fd_set rfd;	183	fd_set rfd;
123	FD_ZERO(&rfd);	184	FD_ZERO(&rfd);
…		…
125		186
126	select (respipe [0] + 1, &rfd, 0, 0, 0);	187	select (respipe [0] + 1, &rfd, 0, 0, 0);
127	}	188	}
128	}	189	}
129		190
130	static int	191	static void req_invoke (aio_req req)
131	poll_cb ()	192	{
		193	dSP;
		194	int errorno = errno;
		195
		196	if (req->cancelled \|\| !SvOK (req->callback))
		197	return;
		198
		199	errno = req->errorno;
		200
		201	ENTER;
		202	SAVETMPS;
		203	PUSHMARK (SP);
		204	EXTEND (SP, 1);
		205
		206	switch (req->type)
		207	{
		208	case REQ_READDIR:
		209	{
		210	SV *rv = &PL_sv_undef;
		211
		212	if (req->result >= 0)
		213	{
		214	char *buf = req->data2ptr;
		215	AV *av = newAV ();
		216
		217	while (req->result)
		218	{
		219	SV *sv = newSVpv (buf, 0);
		220
		221	av_push (av, sv);
		222	buf += SvCUR (sv) + 1;
		223	req->result--;
		224	}
		225
		226	rv = sv_2mortal (newRV_noinc ((SV *)av));
		227	}
		228
		229	PUSHs (rv);
		230	}
		231	break;
		232
		233	case REQ_OPEN:
		234	{
		235	/* convert fd to fh */
		236	SV *fh;
		237
		238	PUSHs (sv_2mortal (newSViv (req->result)));
		239	PUTBACK;
		240	call_pv ("IO::AIO::_fd2fh", G_SCALAR \| G_EVAL);
		241	SPAGAIN;
		242
		243	fh = SvREFCNT_inc (POPs);
		244
		245	PUSHMARK (SP);
		246	XPUSHs (sv_2mortal (fh));
		247	}
		248	break;
		249
		250	case REQ_GROUP:
		251	req->fd = 2; /* mark group as finished */
		252
		253	if (req->data)
		254	{
		255	int i;
		256	AV av = (AV )req->data;
		257
		258	EXTEND (SP, AvFILL (av) + 1);
		259	for (i = 0; i <= AvFILL (av); ++i)
		260	PUSHs (*av_fetch (av, i, 0));
		261	}
		262	break;
		263
		264	case REQ_NOP:
		265	case REQ_SLEEP:
		266	break;
		267
		268	default:
		269	PUSHs (sv_2mortal (newSViv (req->result)));
		270	break;
		271	}
		272
		273
		274	PUTBACK;
		275	call_sv (req->callback, G_VOID \| G_EVAL);
		276	SPAGAIN;
		277
		278	FREETMPS;
		279	LEAVE;
		280
		281	errno = errorno;
		282
		283	if (SvTRUE (ERRSV))
		284	{
		285	req_free (req);
		286	croak (0);
		287	}
		288	}
		289
		290	static void req_free (aio_req req)
		291	{
		292	if (req->grp)
		293	{
		294	aio_req grp = req->grp;
		295
		296	/* unlink request */
		297	if (req->grp_next) req->grp_next->grp_prev = req->grp_prev;
		298	if (req->grp_prev) req->grp_prev->grp_next = req->grp_next;
		299
		300	if (grp->grp_first == req)
		301	grp->grp_first = req->grp_next;
		302
		303	aio_grp_dec (grp);
		304	}
		305
		306	if (req->self)
		307	{
		308	sv_unmagic (req->self, PERL_MAGIC_ext);
		309	SvREFCNT_dec (req->self);
		310	}
		311
		312	SvREFCNT_dec (req->data);
		313	SvREFCNT_dec (req->fh);
		314	SvREFCNT_dec (req->fh2);
		315	SvREFCNT_dec (req->callback);
		316	Safefree (req->statdata);
		317
		318	if (req->type == REQ_READDIR && req->result >= 0)
		319	free (req->data2ptr);
		320
		321	Safefree (req);
		322	}
		323
		324	static void req_cancel (aio_req req)
		325	{
		326	req->cancelled = 1;
		327
		328	if (req->type == REQ_GROUP)
		329	{
		330	aio_req sub;
		331
		332	for (sub = req->grp_first; sub; sub = sub->grp_next)
		333	req_cancel (sub);
		334	}
		335	}
		336
		337	static int poll_cb ()
132	{	338	{
133	dSP;	339	dSP;
134	int count = 0;	340	int count = 0;
135	int do_croak = 0;	341	int do_croak = 0;
136	aio_req req;	342	aio_req req;
…		…
158	pthread_mutex_unlock (&reslock);	364	pthread_mutex_unlock (&reslock);
159		365
160	if (!req)	366	if (!req)
161	break;	367	break;
162		368
163	nreqs--;	369	--nreqs;
164		370
165	if (req->type == REQ_QUIT)	371	if (req->type == REQ_QUIT)
166	started--;	372	started--;
		373	else if (req->type == REQ_GROUP && req->length)
		374	{
		375	req->fd = 1; /* mark request as delayed */
		376	continue;
		377	}
167	else	378	else
168	{	379	{
169	int errorno = errno;
170	errno = req->errorno;
171
172	if (req->type == REQ_READ)	380	if (req->type == REQ_READ)
173	SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0));	381	SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0));
174		382
175	if (req->data2ptr && (req->type == REQ_READ \|\| req->type == REQ_WRITE))	383	if (req->data2ptr && (req->type == REQ_READ \|\| req->type == REQ_WRITE))
176	SvREADONLY_off (req->data);	384	SvREADONLY_off (req->data);
…		…
180	PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT;	388	PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT;
181	PL_laststatval = req->result;	389	PL_laststatval = req->result;
182	PL_statcache = *(req->statdata);	390	PL_statcache = *(req->statdata);
183	}	391	}
184		392
185	ENTER;	393	req_invoke (req);
186	PUSHMARK (SP);
187		394
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++;	395	count++;
248	}	396	}
249		397
250	free_req (req);	398	req_free (req);
251	}	399	}
252		400
253	return count;	401	return count;
254	}	402	}
255		403
256	static void aio_proc(void arg);	404	static void aio_proc(void arg);
257		405
258	static void
259	start_thread (void)	406	static void start_thread (void)
260	{	407	{
261	sigset_t fullsigset, oldsigset;	408	sigset_t fullsigset, oldsigset;
262	pthread_t tid;	409	pthread_t tid;
263	pthread_attr_t attr;	410	pthread_attr_t attr;
264		411
…		…
273	started++;	420	started++;
274		421
275	sigprocmask (SIG_SETMASK, &oldsigset, 0);	422	sigprocmask (SIG_SETMASK, &oldsigset, 0);
276	}	423	}
277		424
278	static void	425	static void req_send (aio_req req)
279	send_req (aio_req req)
280	{	426	{
281	while (started < wanted && nreqs >= started)	427	while (started < wanted && nreqs >= started)
282	start_thread ();	428	start_thread ();
283		429
284	nreqs++;	430	++nreqs;
285		431
286	pthread_mutex_lock (&reqlock);	432	pthread_mutex_lock (&reqlock);
287		433
288	req->next = 0;	434	req->next = 0;
289		435
…		…
308		454
309	poll_wait ();	455	poll_wait ();
310	}	456	}
311	}	457	}
312		458
313	static void	459	static void end_thread (void)
314	end_thread (void)
315	{	460	{
316	aio_req req;	461	aio_req req;
317	Newz (0, req, 1, aio_cb);	462	Newz (0, req, 1, aio_cb);
318	req->type = REQ_QUIT;	463	req->type = REQ_QUIT;
319		464
320	send_req (req);	465	req_send (req);
321	}	466	}
322		467
323	static void min_parallel (int nthreads)	468	static void min_parallel (int nthreads)
324	{	469	{
325	if (wanted < nthreads)	470	if (wanted < nthreads)
…		…
370	* normal read/write by using a mutex. slows down execution a lot,	515	* normal read/write by using a mutex. slows down execution a lot,
371	* but that's your problem, not mine.	516	* but that's your problem, not mine.
372	*/	517	*/
373	static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER;	518	static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER;
374		519
375	static ssize_t	520	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	{	521	{
378	ssize_t res;	522	ssize_t res;
379	off_t ooffset;	523	off_t ooffset;
380		524
381	pthread_mutex_lock (&preadwritelock);	525	pthread_mutex_lock (&preadwritelock);
…		…
386	pthread_mutex_unlock (&preadwritelock);	530	pthread_mutex_unlock (&preadwritelock);
387		531
388	return res;	532	return res;
389	}	533	}
390		534
391	static ssize_t
392	pwrite (int fd, void *buf, size_t count, off_t offset)	535	static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset)
393	{	536	{
394	ssize_t res;	537	ssize_t res;
395	off_t ooffset;	538	off_t ooffset;
396		539
397	pthread_mutex_lock (&preadwritelock);	540	pthread_mutex_lock (&preadwritelock);
…		…
410	#endif	553	#endif
411		554
412	#if !HAVE_READAHEAD	555	#if !HAVE_READAHEAD
413	# define readahead aio_readahead	556	# define readahead aio_readahead
414		557
415	static ssize_t
416	readahead (int fd, off_t offset, size_t count)	558	static ssize_t readahead (int fd, off_t offset, size_t count)
417	{	559	{
418	char readahead_buf[4096];	560	char readahead_buf[4096];
419		561
420	while (count > 0)	562	while (count > 0)
421	{	563	{
…		…
433	#if !HAVE_READDIR_R	575	#if !HAVE_READDIR_R
434	# define readdir_r aio_readdir_r	576	# define readdir_r aio_readdir_r
435		577
436	static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER;	578	static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER;
437		579
438	static int
439	readdir_r (DIR dirp, struct dirent ent, struct dirent **res)	580	static int readdir_r (DIR dirp, struct dirent ent, struct dirent **res)
440	{	581	{
441	struct dirent *e;	582	struct dirent *e;
442	int errorno;	583	int errorno;
443		584
444	pthread_mutex_lock (&readdirlock);	585	pthread_mutex_lock (&readdirlock);
…		…
460	return e ? 0 : -1;	601	return e ? 0 : -1;
461	}	602	}
462	#endif	603	#endif
463		604
464	/* sendfile always needs emulation */	605	/* sendfile always needs emulation */
465	static ssize_t
466	sendfile_ (int ofd, int ifd, off_t offset, size_t count)	606	static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count)
467	{	607	{
468	ssize_t res;	608	ssize_t res;
469		609
470	if (!count)	610	if (!count)
471	return 0;	611	return 0;
…		…
553		693
554	return res;	694	return res;
555	}	695	}
556		696
557	/* read a full directory */	697	/* read a full directory */
558	static int
559	scandir_ (const char path, void *namesp)	698	static int scandir_ (const char path, void *namesp)
560	{	699	{
561	DIR *dirp = opendir (path);	700	DIR *dirp = opendir (path);
562	union	701	union
563	{	702	{
564	struct dirent d;	703	struct dirent d;
…		…
618	return res;	757	return res;
619	}	758	}
620		759
621	/*****************************************************************************/	760	/*****************************************************************************/
622		761
623	static void *
624	aio_proc (void *thr_arg)	762	static void aio_proc (void thr_arg)
625	{	763	{
626	aio_req req;	764	aio_req req;
627	int type;	765	int type;
628		766
629	do	767	do
…		…
648		786
649	pthread_mutex_unlock (&reqlock);	787	pthread_mutex_unlock (&reqlock);
650		788
651	errno = 0; /* strictly unnecessary */	789	errno = 0; /* strictly unnecessary */
652		790
653	type = req->type;	791	if (!req->cancelled)
654		792	switch (type = req->type) /* remember type for QUIT check */
655	switch (type)
656	{	793	{
657	case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break;	794	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;	795	case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break;
659		796
660	case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break;	797	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;	798	case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length); break;
662		799
663	case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break;	800	case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break;
664	case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break;	801	case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break;
665	case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break;	802	case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break;
666		803
667	case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break;	804	case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break;
668	case REQ_CLOSE: req->result = close (req->fd); break;	805	case REQ_CLOSE: req->result = close (req->fd); break;
669	case REQ_UNLINK: req->result = unlink (req->dataptr); break;	806	case REQ_UNLINK: req->result = unlink (req->dataptr); break;
670	case REQ_RMDIR: req->result = rmdir (req->dataptr); break;	807	case REQ_RMDIR: req->result = rmdir (req->dataptr); break;
671	case REQ_RENAME: req->result = rename (req->data2ptr, req->dataptr); break;	808	case REQ_RENAME: req->result = rename (req->data2ptr, req->dataptr); break;
672	case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break;	809	case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break;
673	case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break;	810	case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break;
674		811
675	case REQ_FDATASYNC: req->result = fdatasync (req->fd); break;	812	case REQ_FDATASYNC: req->result = fdatasync (req->fd); break;
676	case REQ_FSYNC: req->result = fsync (req->fd); break;	813	case REQ_FSYNC: req->result = fsync (req->fd); break;
677	case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break;	814	case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break;
678		815
		816	case REQ_SLEEP:
		817	{
		818	struct timeval tv;
		819
		820	tv.tv_sec = req->fd;
		821	tv.tv_usec = req->fd2;
		822
		823	req->result = select (0, 0, 0, 0, &tv);
		824	}
		825
		826	case REQ_GROUP: /TODO: should not be handled here /
		827	case REQ_NOP: /TODO: should not be handled here /
679	case REQ_QUIT:	828	case REQ_QUIT:
680	break;	829	break;
681		830
682	default:	831	default:
683	req->result = ENOSYS;	832	req->result = ENOSYS;
684	break;	833	break;
685	}	834	}
686		835
687	req->errorno = errno;	836	req->errorno = errno;
688		837
689	pthread_mutex_lock (&reslock);	838	pthread_mutex_lock (&reslock);
690		839
…		…
744		893
745	while (reqs)	894	while (reqs)
746	{	895	{
747	prv = reqs;	896	prv = reqs;
748	reqs = prv->next;	897	reqs = prv->next;
749	free_req (prv);	898	req_free (prv);
750	}	899	}
751		900
752	reqs = reqe = 0;	901	reqs = reqe = 0;
753		902
754	while (ress)	903	while (ress)
755	{	904	{
756	prv = ress;	905	prv = ress;
757	ress = prv->next;	906	ress = prv->next;
758	free_req (prv);	907	req_free (prv);
759	}	908	}
760		909
761	ress = rese = 0;	910	ress = rese = 0;
762		911
763	close (respipe [0]);	912	close (respipe [0]);
…		…
769		918
770	#define dREQ \	919	#define dREQ \
771	aio_req req; \	920	aio_req req; \
772	\	921	\
773	if (SvOK (callback) && !SvROK (callback)) \	922	if (SvOK (callback) && !SvROK (callback)) \
774	croak ("clalback must be undef or of reference type"); \	923	croak ("callback must be undef or of reference type"); \
775	\	924	\
776	Newz (0, req, 1, aio_cb); \	925	Newz (0, req, 1, aio_cb); \
777	if (!req) \	926	if (!req) \
778	croak ("out of memory during aio_req allocation"); \	927	croak ("out of memory during aio_req allocation"); \
779	\	928	\
780	req->callback = newSVsv (callback);	929	req->callback = newSVsv (callback)
		930
		931	#define REQ_SEND \
		932	req_send (req); \
		933	\
		934	if (GIMME_V != G_VOID) \
		935	XPUSHs (req_sv (req, AIO_REQ_KLASS));
781		936
782	MODULE = IO::AIO PACKAGE = IO::AIO	937	MODULE = IO::AIO PACKAGE = IO::AIO
783		938
784	PROTOTYPES: ENABLE	939	PROTOTYPES: ENABLE
785		940
…		…
817	SV * pathname	972	SV * pathname
818	int flags	973	int flags
819	int mode	974	int mode
820	SV * callback	975	SV * callback
821	PROTOTYPE: $$$;$	976	PROTOTYPE: $$$;$
822	CODE:	977	PPCODE:
823	{	978	{
824	dREQ;	979	dREQ;
825		980
826	req->type = REQ_OPEN;	981	req->type = REQ_OPEN;
827	req->data = newSVsv (pathname);	982	req->data = newSVsv (pathname);
828	req->dataptr = SvPVbyte_nolen (req->data);	983	req->dataptr = SvPVbyte_nolen (req->data);
829	req->fd = flags;	984	req->fd = flags;
830	req->mode = mode;	985	req->mode = mode;
831		986
832	send_req (req);	987	REQ_SEND;
833	}	988	}
834		989
835	void	990	void
836	aio_close (fh,callback=&PL_sv_undef)	991	aio_close (fh,callback=&PL_sv_undef)
837	SV * fh	992	SV * fh
…		…
839	PROTOTYPE: $;$	994	PROTOTYPE: $;$
840	ALIAS:	995	ALIAS:
841	aio_close = REQ_CLOSE	996	aio_close = REQ_CLOSE
842	aio_fsync = REQ_FSYNC	997	aio_fsync = REQ_FSYNC
843	aio_fdatasync = REQ_FDATASYNC	998	aio_fdatasync = REQ_FDATASYNC
844	CODE:	999	PPCODE:
845	{	1000	{
846	dREQ;	1001	dREQ;
847		1002
848	req->type = ix;	1003	req->type = ix;
849	req->fh = newSVsv (fh);	1004	req->fh = newSVsv (fh);
850	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));	1005	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));
851		1006
852	send_req (req);	1007	REQ_SEND (req);
853	}	1008	}
854		1009
855	void	1010	void
856	aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef)	1011	aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef)
857	SV * fh	1012	SV * fh
…		…
862	SV * callback	1017	SV * callback
863	ALIAS:	1018	ALIAS:
864	aio_read = REQ_READ	1019	aio_read = REQ_READ
865	aio_write = REQ_WRITE	1020	aio_write = REQ_WRITE
866	PROTOTYPE: $$$$$;$	1021	PROTOTYPE: $$$$$;$
867	CODE:	1022	PPCODE:
868	{	1023	{
869	aio_req req;	1024	aio_req req;
870	STRLEN svlen;	1025	STRLEN svlen;
871	char *svptr = SvPVbyte (data, svlen);	1026	char *svptr = SvPVbyte (data, svlen);
872		1027
…		…
910	{	1065	{
911	SvREADONLY_on (data);	1066	SvREADONLY_on (data);
912	req->data2ptr = (void *)data;	1067	req->data2ptr = (void *)data;
913	}	1068	}
914		1069
915	send_req (req);	1070	REQ_SEND;
916	}	1071	}
917	}	1072	}
918		1073
919	void	1074	void
920	aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef)	1075	aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef)
…		…
922	SV * in_fh	1077	SV * in_fh
923	UV in_offset	1078	UV in_offset
924	UV length	1079	UV length
925	SV * callback	1080	SV * callback
926	PROTOTYPE: $$$$;$	1081	PROTOTYPE: $$$$;$
927	CODE:	1082	PPCODE:
928	{	1083	{
929	dREQ;	1084	dREQ;
930		1085
931	req->type = REQ_SENDFILE;	1086	req->type = REQ_SENDFILE;
932	req->fh = newSVsv (out_fh);	1087	req->fh = newSVsv (out_fh);
…		…
934	req->fh2 = newSVsv (in_fh);	1089	req->fh2 = newSVsv (in_fh);
935	req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));	1090	req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));
936	req->offset = in_offset;	1091	req->offset = in_offset;
937	req->length = length;	1092	req->length = length;
938		1093
939	send_req (req);	1094	REQ_SEND;
940	}	1095	}
941		1096
942	void	1097	void
943	aio_readahead (fh,offset,length,callback=&PL_sv_undef)	1098	aio_readahead (fh,offset,length,callback=&PL_sv_undef)
944	SV * fh	1099	SV * fh
945	UV offset	1100	UV offset
946	IV length	1101	IV length
947	SV * callback	1102	SV * callback
948	PROTOTYPE: $$$;$	1103	PROTOTYPE: $$$;$
949	CODE:	1104	PPCODE:
950	{	1105	{
951	dREQ;	1106	dREQ;
952		1107
953	req->type = REQ_READAHEAD;	1108	req->type = REQ_READAHEAD;
954	req->fh = newSVsv (fh);	1109	req->fh = newSVsv (fh);
955	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));	1110	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));
956	req->offset = offset;	1111	req->offset = offset;
957	req->length = length;	1112	req->length = length;
958		1113
959	send_req (req);	1114	REQ_SEND;
960	}	1115	}
961		1116
962	void	1117	void
963	aio_stat (fh_or_path,callback=&PL_sv_undef)	1118	aio_stat (fh_or_path,callback=&PL_sv_undef)
964	SV * fh_or_path	1119	SV * fh_or_path
965	SV * callback	1120	SV * callback
966	ALIAS:	1121	ALIAS:
967	aio_stat = REQ_STAT	1122	aio_stat = REQ_STAT
968	aio_lstat = REQ_LSTAT	1123	aio_lstat = REQ_LSTAT
969	CODE:	1124	PPCODE:
970	{	1125	{
971	dREQ;	1126	dREQ;
972		1127
973	New (0, req->statdata, 1, Stat_t);	1128	New (0, req->statdata, 1, Stat_t);
974	if (!req->statdata)	1129	if (!req->statdata)
975	{	1130	{
976	free_req (req);	1131	req_free (req);
977	croak ("out of memory during aio_req->statdata allocation");	1132	croak ("out of memory during aio_req->statdata allocation");
978	}	1133	}
979		1134
980	if (SvPOK (fh_or_path))	1135	if (SvPOK (fh_or_path))
981	{	1136	{
…		…
988	req->type = REQ_FSTAT;	1143	req->type = REQ_FSTAT;
989	req->fh = newSVsv (fh_or_path);	1144	req->fh = newSVsv (fh_or_path);
990	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	1145	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
991	}	1146	}
992		1147
993	send_req (req);	1148	REQ_SEND;
994	}	1149	}
995		1150
996	void	1151	void
997	aio_unlink (pathname,callback=&PL_sv_undef)	1152	aio_unlink (pathname,callback=&PL_sv_undef)
998	SV * pathname	1153	SV * pathname
999	SV * callback	1154	SV * callback
1000	ALIAS:	1155	ALIAS:
1001	aio_unlink = REQ_UNLINK	1156	aio_unlink = REQ_UNLINK
1002	aio_rmdir = REQ_RMDIR	1157	aio_rmdir = REQ_RMDIR
1003	aio_readdir = REQ_READDIR	1158	aio_readdir = REQ_READDIR
1004	CODE:	1159	PPCODE:
1005	{	1160	{
1006	dREQ;	1161	dREQ;
1007		1162
1008	req->type = ix;	1163	req->type = ix;
1009	req->data = newSVsv (pathname);	1164	req->data = newSVsv (pathname);
1010	req->dataptr = SvPVbyte_nolen (req->data);	1165	req->dataptr = SvPVbyte_nolen (req->data);
1011		1166
1012	send_req (req);	1167	REQ_SEND;
1013	}	1168	}
1014		1169
1015	void	1170	void
1016	aio_link (oldpath,newpath,callback=&PL_sv_undef)	1171	aio_link (oldpath,newpath,callback=&PL_sv_undef)
1017	SV * oldpath	1172	SV * oldpath
…		…
1019	SV * callback	1174	SV * callback
1020	ALIAS:	1175	ALIAS:
1021	aio_link = REQ_LINK	1176	aio_link = REQ_LINK
1022	aio_symlink = REQ_SYMLINK	1177	aio_symlink = REQ_SYMLINK
1023	aio_rename = REQ_RENAME	1178	aio_rename = REQ_RENAME
1024	CODE:	1179	PPCODE:
1025	{	1180	{
1026	dREQ;	1181	dREQ;
1027		1182
1028	req->type = ix;	1183	req->type = ix;
1029	req->fh = newSVsv (oldpath);	1184	req->fh = newSVsv (oldpath);
1030	req->data2ptr = SvPVbyte_nolen (req->fh);	1185	req->data2ptr = SvPVbyte_nolen (req->fh);
1031	req->data = newSVsv (newpath);	1186	req->data = newSVsv (newpath);
1032	req->dataptr = SvPVbyte_nolen (req->data);	1187	req->dataptr = SvPVbyte_nolen (req->data);
1033		1188
1034	send_req (req);	1189	REQ_SEND;
		1190	}
		1191
		1192	void
		1193	aio_sleep (delay,callback=&PL_sv_undef)
		1194	double delay
		1195	SV * callback
		1196	PPCODE:
		1197	{
		1198	dREQ;
		1199
		1200	req->type = REQ_SLEEP;
		1201	req->fd = delay < 0. ? 0 : delay;
		1202	req->fd2 = delay < 0. ? 0 : 1000. * (delay - req->fd);
		1203
		1204	REQ_SEND;
		1205	}
		1206
		1207	void
		1208	aio_group (callback=&PL_sv_undef)
		1209	SV * callback
		1210	PROTOTYPE: ;$
		1211	PPCODE:
		1212	{
		1213	dREQ;
		1214	req->type = REQ_GROUP;
		1215	req_send (req);
		1216	XPUSHs (req_sv (req, AIO_GRP_KLASS));
		1217	}
		1218
		1219	void
		1220	aio_nop (callback=&PL_sv_undef)
		1221	SV * callback
		1222	PPCODE:
		1223	{
		1224	dREQ;
		1225
		1226	req->type = REQ_NOP;
		1227
		1228	REQ_SEND;
1035	}	1229	}
1036		1230
1037	void	1231	void
1038	flush ()	1232	flush ()
1039	PROTOTYPE:	1233	PROTOTYPE:
…		…
1083	CODE:	1277	CODE:
1084	RETVAL = nreqs;	1278	RETVAL = nreqs;
1085	OUTPUT:	1279	OUTPUT:
1086	RETVAL	1280	RETVAL
1087		1281
		1282	PROTOTYPES: DISABLE
		1283
		1284	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
		1285
		1286	void
		1287	cancel (aio_req_ornot req)
		1288	PROTOTYPE:
		1289	CODE:
		1290	req_cancel (req);
		1291
		1292	MODULE = IO::AIO PACKAGE = IO::AIO::GRP
		1293
		1294	void
		1295	add (aio_req grp, ...)
		1296	PPCODE:
		1297	{
		1298	int i;
		1299	aio_req req;
		1300
		1301	if (grp->fd == 2)
		1302	croak ("cannot add requests to IO::AIO::GRP after the group finished");
		1303
		1304	for (i = 1; i < items; ++i )
		1305	{
		1306	if (GIMME_V != G_VOID)
		1307	XPUSHs (sv_2mortal (newSVsv (ST (i))));
		1308
		1309	req = SvAIO_REQ (ST (i));
		1310
		1311	if (req)
		1312	{
		1313	++grp->length;
		1314	req->grp = grp;
		1315
		1316	req->grp_prev = 0;
		1317	req->grp_next = grp->grp_first;
		1318
		1319	if (grp->grp_first)
		1320	grp->grp_first->grp_prev = req;
		1321
		1322	grp->grp_first = req;
		1323	}
		1324	}
		1325	}
		1326
		1327	void
		1328	result (aio_req grp, ...)
		1329	CODE:
		1330	{
		1331	int i;
		1332	AV *av = newAV ();
		1333
		1334	for (i = 1; i < items; ++i )
		1335	av_push (av, newSVsv (ST (i)));
		1336
		1337	SvREFCNT_dec (grp->data);
		1338	grp->data = (SV *)av;
		1339	}
		1340
		1341	void
		1342	lock (aio_req grp)
		1343	CODE:
		1344	++grp->length;
		1345
		1346	void
		1347	unlock (aio_req grp)
		1348	CODE:
		1349	aio_grp_dec (grp);
		1350
		1351	void
		1352	feeder_limit (aio_req grp, int limit)
		1353	CODE:
		1354	grp->fd2 = limit;
		1355	aio_grp_feed (grp);
		1356
		1357	void
		1358	set_feeder (aio_req grp, SV *callback=&PL_sv_undef)
		1359	CODE:
		1360	{
		1361	SvREFCNT_dec (grp->fh2);
		1362	grp->fh2 = newSVsv (callback);
		1363
		1364	if (grp->fd2 <= 0)
		1365	grp->fd2 = 2;
		1366
		1367	aio_grp_feed (grp);
		1368	}
		1369

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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 1.54 by root, Mon Oct 23 00:34:36 2006 UTC

Diff Legend

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.41 by root, Sat Jun 24 19:14:04 2006 UTC vs.
Revision 1.54 by root, Mon Oct 23 00:34:36 2006 UTC