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

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.40 by root, Sat Jun 24 16:27:02 2006 UTC vs.
Revision 1.52 by root, Sun Oct 22 22:14:54 2006 UTC

…		…
8	#include "autoconf/config.h"	8	#include "autoconf/config.h"
9		9
10	#include <pthread.h>	10	#include <pthread.h>
11		11
12	#include <stddef.h>	12	#include <stddef.h>
		13	#include <errno.h>
		14	#include <sys/time.h>
		15	#include <sys/select.h>
13	#include <sys/types.h>	16	#include <sys/types.h>
14	#include <sys/stat.h>	17	#include <sys/stat.h>
15	#include <limits.h>	18	#include <limits.h>
16	#include <unistd.h>	19	#include <unistd.h>
17	#include <fcntl.h>	20	#include <fcntl.h>
…		…
52	REQ_STAT, REQ_LSTAT, REQ_FSTAT,	55	REQ_STAT, REQ_LSTAT, REQ_FSTAT,
53	REQ_FSYNC, REQ_FDATASYNC,	56	REQ_FSYNC, REQ_FDATASYNC,
54	REQ_UNLINK, REQ_RMDIR, REQ_RENAME,	57	REQ_UNLINK, REQ_RMDIR, REQ_RENAME,
55	REQ_READDIR,	58	REQ_READDIR,
56	REQ_LINK, REQ_SYMLINK,	59	REQ_LINK, REQ_SYMLINK,
		60	REQ_SLEEP,
		61	REQ_GROUP,
57	};	62	};
58		63
		64	#define AIO_REQ_KLASS "IO::AIO::REQ"
		65	#define AIO_GRP_KLASS "IO::AIO::GRP"
		66
59	typedef struct aio_cb {	67	typedef struct aio_cb
		68	{
60	struct aio_cb *volatile next;	69	struct aio_cb *volatile next;
61		70
62	int type;	71	struct aio_cb grp, grp_prev, grp_next, grp_first;
63		72
64	/* should receive a cleanup, with unions */	73	SV self; / the perl counterpart of this request, if any */
65	int fd, fd2;	74
		75	SV data, callback;
		76	SV fh, fh2;
		77	void dataptr, data2ptr;
		78	Stat_t *statdata;
66	off_t offset;	79	off_t offset;
67	size_t length;	80	size_t length;
68	ssize_t result;	81	ssize_t result;
		82
		83	int type;
		84	int fd, fd2;
		85	int errorno;
		86	STRLEN dataoffset;
69	mode_t mode; /* open */	87	mode_t mode; /* open */
70	int errorno;	88	unsigned char cancelled;
71	SV data, callback;
72	SV fh, fh2;
73	void dataptr, data2ptr;
74	STRLEN dataoffset;
75
76	Stat_t *statdata;
77	} aio_cb;	89	} aio_cb;
78		90
79	typedef aio_cb *aio_req;	91	typedef aio_cb *aio_req;
		92	typedef aio_cb *aio_req_ornot;
80		93
81	static int started, wanted;	94	static int started, wanted;
82	static volatile int nreqs;	95	static volatile int nreqs;
83	static int max_outstanding = 1<<30;	96	static int max_outstanding = 1<<30;
84	static int respipe [2];	97	static int respipe [2];
…		…
88	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;	101	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;
89		102
90	static volatile aio_req reqs, reqe; /* queue start, queue end */	103	static volatile aio_req reqs, reqe; /* queue start, queue end */
91	static volatile aio_req ress, rese; /* queue start, queue end */	104	static volatile aio_req ress, rese; /* queue start, queue end */
92		105
		106	static void req_invoke (aio_req req);
93	static void free_req (aio_req req)	107	static void req_free (aio_req req);
94	{
95	if (req->data)
96	SvREFCNT_dec (req->data);
97		108
		109	/* must be called at most once */
		110	static SV req_sv (aio_req req, const char klass)
		111	{
98	if (req->fh)	112	if (!req->self)
99	SvREFCNT_dec (req->fh);	113	{
		114	req->self = (SV *)newHV ();
		115	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
		116	}
100		117
101	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	if (!sv_derived_from (sv, AIO_REQ_KLASS) \|\| !SvROK (sv))
		124	croak ("object of class " AIO_REQ_KLASS " expected");
		125
		126	MAGIC *mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
		127
		128	return mg ? (aio_req)mg->mg_ptr : 0;
		129	}
		130
		131	static void aio_grp_feed (aio_req grp)
		132	{
		133	while (grp->length < grp->fd2)
		134	{
		135	int old_len = grp->length;
		136
		137	if (grp->fh2 && SvOK (grp->fh2))
		138	{
		139	dSP;
		140
		141	ENTER;
		142	SAVETMPS;
		143	PUSHMARK (SP);
		144	XPUSHs (req_sv (grp, AIO_GRP_KLASS));
		145	PUTBACK;
		146	call_sv (grp->fh2, G_VOID \| G_EVAL);
		147	SPAGAIN;
		148	FREETMPS;
		149	LEAVE;
		150	}
		151
		152	/* stop if no progress has been made */
		153	if (old_len == grp->length)
		154	{
102	SvREFCNT_dec (req->fh2);	155	SvREFCNT_dec (grp->fh2);
103		156	grp->fh2 = 0;
104	if (req->statdata)	157	break;
105	Safefree (req->statdata);	158	}
106		159	}
107	if (req->callback)
108	SvREFCNT_dec (req->callback);
109
110	if (req->type == REQ_READDIR && req->result >= 0)
111	free (req->data2ptr);
112
113	Safefree (req);
114	}	160	}
115		161
116	static void	162	static void aio_grp_dec (aio_req grp)
117	poll_wait ()	163	{
		164	--grp->length;
		165
		166	/* call feeder, if applicable */
		167	aio_grp_feed (grp);
		168
		169	/* finish, if done */
		170	if (!grp->length && grp->fd)
		171	{
		172	req_invoke (grp);
		173	req_free (grp);
		174	}
		175	}
		176
		177	static void poll_wait ()
118	{	178	{
119	if (nreqs && !ress)	179	if (nreqs && !ress)
120	{	180	{
121	fd_set rfd;	181	fd_set rfd;
122	FD_ZERO(&rfd);	182	FD_ZERO(&rfd);
…		…
124		184
125	select (respipe [0] + 1, &rfd, 0, 0, 0);	185	select (respipe [0] + 1, &rfd, 0, 0, 0);
126	}	186	}
127	}	187	}
128		188
129	static int	189	static void req_invoke (aio_req req)
130	poll_cb ()	190	{
		191	dSP;
		192	int errorno = errno;
		193
		194	if (req->cancelled \|\| !SvOK (req->callback))
		195	return;
		196
		197	errno = req->errorno;
		198
		199	ENTER;
		200	SAVETMPS;
		201	PUSHMARK (SP);
		202	EXTEND (SP, 1);
		203
		204	switch (req->type)
		205	{
		206	case REQ_READDIR:
		207	{
		208	SV *rv = &PL_sv_undef;
		209
		210	if (req->result >= 0)
		211	{
		212	char *buf = req->data2ptr;
		213	AV *av = newAV ();
		214
		215	while (req->result)
		216	{
		217	SV *sv = newSVpv (buf, 0);
		218
		219	av_push (av, sv);
		220	buf += SvCUR (sv) + 1;
		221	req->result--;
		222	}
		223
		224	rv = sv_2mortal (newRV_noinc ((SV *)av));
		225	}
		226
		227	PUSHs (rv);
		228	}
		229	break;
		230
		231	case REQ_OPEN:
		232	{
		233	/* convert fd to fh */
		234	SV *fh;
		235
		236	PUSHs (sv_2mortal (newSViv (req->result)));
		237	PUTBACK;
		238	call_pv ("IO::AIO::_fd2fh", G_SCALAR \| G_EVAL);
		239	SPAGAIN;
		240
		241	fh = SvREFCNT_inc (POPs);
		242
		243	PUSHMARK (SP);
		244	XPUSHs (sv_2mortal (fh));
		245	}
		246	break;
		247
		248	case REQ_GROUP:
		249	req->fd = 2; /* mark group as finished */
		250
		251	if (req->data)
		252	{
		253	int i;
		254	AV av = (AV )req->data;
		255
		256	EXTEND (SP, AvFILL (av) + 1);
		257	for (i = 0; i <= AvFILL (av); ++i)
		258	PUSHs (*av_fetch (av, i, 0));
		259	}
		260	break;
		261
		262	case REQ_SLEEP:
		263	break;
		264
		265	default:
		266	PUSHs (sv_2mortal (newSViv (req->result)));
		267	break;
		268	}
		269
		270
		271	PUTBACK;
		272	call_sv (req->callback, G_VOID \| G_EVAL);
		273	SPAGAIN;
		274
		275	FREETMPS;
		276	LEAVE;
		277
		278	errno = errorno;
		279
		280	if (SvTRUE (ERRSV))
		281	{
		282	req_free (req);
		283	croak (0);
		284	}
		285	}
		286
		287	static void req_free (aio_req req)
		288	{
		289	if (req->grp)
		290	{
		291	aio_req grp = req->grp;
		292
		293	/* unlink request */
		294	if (req->grp_next) req->grp_next->grp_prev = req->grp_prev;
		295	if (req->grp_prev) req->grp_prev->grp_next = req->grp_next;
		296
		297	if (grp->grp_first == req)
		298	grp->grp_first = req->grp_next;
		299
		300	aio_grp_dec (grp);
		301	}
		302
		303	if (req->self)
		304	{
		305	sv_unmagic (req->self, PERL_MAGIC_ext);
		306	SvREFCNT_dec (req->self);
		307	}
		308
		309	SvREFCNT_dec (req->data);
		310	SvREFCNT_dec (req->fh);
		311	SvREFCNT_dec (req->fh2);
		312	SvREFCNT_dec (req->callback);
		313	Safefree (req->statdata);
		314
		315	if (req->type == REQ_READDIR && req->result >= 0)
		316	free (req->data2ptr);
		317
		318	Safefree (req);
		319	}
		320
		321	static void req_cancel (aio_req req)
		322	{
		323	req->cancelled = 1;
		324
		325	if (req->type == REQ_GROUP)
		326	{
		327	aio_req sub;
		328
		329	for (sub = req->grp_first; sub; sub = sub->grp_next)
		330	req_cancel (sub);
		331	}
		332	}
		333
		334	static int poll_cb ()
131	{	335	{
132	dSP;	336	dSP;
133	int count = 0;	337	int count = 0;
134	int do_croak = 0;	338	int do_croak = 0;
135	aio_req req;	339	aio_req req;
…		…
157	pthread_mutex_unlock (&reslock);	361	pthread_mutex_unlock (&reslock);
158		362
159	if (!req)	363	if (!req)
160	break;	364	break;
161		365
162	nreqs--;	366	--nreqs;
163		367
164	if (req->type == REQ_QUIT)	368	if (req->type == REQ_QUIT)
165	started--;	369	started--;
		370	else if (req->type == REQ_GROUP && req->length)
		371	{
		372	req->fd = 1; /* mark request as delayed */
		373	continue;
		374	}
166	else	375	else
167	{	376	{
168	int errorno = errno;
169	errno = req->errorno;
170
171	if (req->type == REQ_READ)	377	if (req->type == REQ_READ)
172	SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0));	378	SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0));
173		379
174	if (req->data2ptr && (req->type == REQ_READ \|\| req->type == REQ_WRITE))	380	if (req->data2ptr && (req->type == REQ_READ \|\| req->type == REQ_WRITE))
175	SvREADONLY_off (req->data);	381	SvREADONLY_off (req->data);
…		…
179	PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT;	385	PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT;
180	PL_laststatval = req->result;	386	PL_laststatval = req->result;
181	PL_statcache = *(req->statdata);	387	PL_statcache = *(req->statdata);
182	}	388	}
183		389
184	ENTER;	390	req_invoke (req);
185	PUSHMARK (SP);
186		391
187	if (req->type == REQ_READDIR)
188	{
189	SV *rv = &PL_sv_undef;
190
191	if (req->result >= 0)
192	{
193	char *buf = req->data2ptr;
194	AV *av = newAV ();
195
196	while (req->result)
197	{
198	SV *sv = newSVpv (buf, 0);
199
200	av_push (av, sv);
201	buf += SvCUR (sv) + 1;
202	req->result--;
203	}
204
205	rv = sv_2mortal (newRV_noinc ((SV *)av));
206	}
207
208	XPUSHs (rv);
209	}
210	else
211	{
212	XPUSHs (sv_2mortal (newSViv (req->result)));
213
214	if (req->type == REQ_OPEN)
215	{
216	/* convert fd to fh */
217	SV *fh;
218
219	PUTBACK;
220	call_pv ("IO::AIO::_fd2fh", G_SCALAR \| G_EVAL);
221	SPAGAIN;
222
223	fh = SvREFCNT_inc (POPs);
224
225	PUSHMARK (SP);
226	XPUSHs (sv_2mortal (fh));
227	}
228	}
229
230	if (SvOK (req->callback))
231	{
232	PUTBACK;
233	call_sv (req->callback, G_VOID \| G_EVAL);
234	SPAGAIN;
235
236	if (SvTRUE (ERRSV))
237	{
238	free_req (req);
239	croak (0);
240	}
241	}
242
243	LEAVE;
244
245	errno = errorno;
246	count++;	392	count++;
247	}	393	}
248		394
249	free_req (req);	395	req_free (req);
250	}	396	}
251		397
252	return count;	398	return count;
253	}	399	}
254		400
255	static void aio_proc(void arg);	401	static void aio_proc(void arg);
256		402
257	static void
258	start_thread (void)	403	static void start_thread (void)
259	{	404	{
260	sigset_t fullsigset, oldsigset;	405	sigset_t fullsigset, oldsigset;
261	pthread_t tid;	406	pthread_t tid;
262	pthread_attr_t attr;	407	pthread_attr_t attr;
263		408
…		…
272	started++;	417	started++;
273		418
274	sigprocmask (SIG_SETMASK, &oldsigset, 0);	419	sigprocmask (SIG_SETMASK, &oldsigset, 0);
275	}	420	}
276		421
277	static void	422	static void req_send (aio_req req)
278	send_req (aio_req req)
279	{	423	{
280	while (started < wanted && nreqs >= started)	424	while (started < wanted && nreqs >= started)
281	start_thread ();	425	start_thread ();
282		426
283	nreqs++;	427	++nreqs;
284		428
285	pthread_mutex_lock (&reqlock);	429	pthread_mutex_lock (&reqlock);
286		430
287	req->next = 0;	431	req->next = 0;
288		432
…		…
307		451
308	poll_wait ();	452	poll_wait ();
309	}	453	}
310	}	454	}
311		455
312	static void	456	static void end_thread (void)
313	end_thread (void)
314	{	457	{
315	aio_req req;	458	aio_req req;
316	Newz (0, req, 1, aio_cb);	459	Newz (0, req, 1, aio_cb);
317	req->type = REQ_QUIT;	460	req->type = REQ_QUIT;
318		461
319	send_req (req);	462	req_send (req);
320	}	463	}
321		464
322	static void min_parallel (int nthreads)	465	static void min_parallel (int nthreads)
323	{	466	{
324	if (wanted < nthreads)	467	if (wanted < nthreads)
…		…
369	* normal read/write by using a mutex. slows down execution a lot,	512	* normal read/write by using a mutex. slows down execution a lot,
370	* but that's your problem, not mine.	513	* but that's your problem, not mine.
371	*/	514	*/
372	static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER;	515	static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER;
373		516
374	static ssize_t	517	static ssize_t pread (int fd, void *buf, size_t count, off_t offset)
375	pread (int fd, void *buf, size_t count, off_t offset)
376	{	518	{
377	ssize_t res;	519	ssize_t res;
378	off_t ooffset;	520	off_t ooffset;
379		521
380	pthread_mutex_lock (&preadwritelock);	522	pthread_mutex_lock (&preadwritelock);
…		…
385	pthread_mutex_unlock (&preadwritelock);	527	pthread_mutex_unlock (&preadwritelock);
386		528
387	return res;	529	return res;
388	}	530	}
389		531
390	static ssize_t
391	pwrite (int fd, void *buf, size_t count, off_t offset)	532	static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset)
392	{	533	{
393	ssize_t res;	534	ssize_t res;
394	off_t ooffset;	535	off_t ooffset;
395		536
396	pthread_mutex_lock (&preadwritelock);	537	pthread_mutex_lock (&preadwritelock);
…		…
409	#endif	550	#endif
410		551
411	#if !HAVE_READAHEAD	552	#if !HAVE_READAHEAD
412	# define readahead aio_readahead	553	# define readahead aio_readahead
413		554
414	static ssize_t
415	readahead (int fd, off_t offset, size_t count)	555	static ssize_t readahead (int fd, off_t offset, size_t count)
416	{	556	{
417	char readahead_buf[4096];	557	char readahead_buf[4096];
418		558
419	while (count > 0)	559	while (count > 0)
420	{	560	{
…		…
432	#if !HAVE_READDIR_R	572	#if !HAVE_READDIR_R
433	# define readdir_r aio_readdir_r	573	# define readdir_r aio_readdir_r
434		574
435	static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER;	575	static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER;
436		576
437	static int
438	readdir_r (DIR dirp, struct dirent ent, struct dirent **res)	577	static int readdir_r (DIR dirp, struct dirent ent, struct dirent **res)
439	{	578	{
440	struct dirent *e;	579	struct dirent *e;
441	int errorno;	580	int errorno;
442		581
443	pthread_mutex_lock (&readdirlock);	582	pthread_mutex_lock (&readdirlock);
…		…
459	return e ? 0 : -1;	598	return e ? 0 : -1;
460	}	599	}
461	#endif	600	#endif
462		601
463	/* sendfile always needs emulation */	602	/* sendfile always needs emulation */
464	static ssize_t
465	sendfile_ (int ofd, int ifd, off_t offset, size_t count)	603	static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count)
466	{	604	{
467	ssize_t res;	605	ssize_t res;
468		606
469	if (!count)	607	if (!count)
470	return 0;	608	return 0;
…		…
552		690
553	return res;	691	return res;
554	}	692	}
555		693
556	/* read a full directory */	694	/* read a full directory */
557	static int
558	scandir_ (const char path, void *namesp)	695	static int scandir_ (const char path, void *namesp)
559	{	696	{
560	DIR *dirp = opendir (path);	697	DIR *dirp = opendir (path);
561	union	698	union
562	{	699	{
563	struct dirent d;	700	struct dirent d;
…		…
617	return res;	754	return res;
618	}	755	}
619		756
620	/*****************************************************************************/	757	/*****************************************************************************/
621		758
622	static void *
623	aio_proc (void *thr_arg)	759	static void aio_proc (void thr_arg)
624	{	760	{
625	aio_req req;	761	aio_req req;
626	int type;	762	int type;
627		763
628	do	764	do
…		…
647		783
648	pthread_mutex_unlock (&reqlock);	784	pthread_mutex_unlock (&reqlock);
649		785
650	errno = 0; /* strictly unnecessary */	786	errno = 0; /* strictly unnecessary */
651		787
652	type = req->type;	788	if (!req->cancelled)
653		789	switch (type = req->type) /* remember type for QUIT check */
654	switch (type)
655	{	790	{
656	case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break;	791	case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break;
657	case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break;	792	case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break;
658		793
659	case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break;	794	case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break;
660	case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length); break;	795	case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length); break;
661		796
662	case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break;	797	case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break;
663	case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break;	798	case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break;
664	case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break;	799	case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break;
665		800
666	case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break;	801	case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break;
667	case REQ_CLOSE: req->result = close (req->fd); break;	802	case REQ_CLOSE: req->result = close (req->fd); break;
668	case REQ_UNLINK: req->result = unlink (req->dataptr); break;	803	case REQ_UNLINK: req->result = unlink (req->dataptr); break;
669	case REQ_RMDIR: req->result = rmdir (req->dataptr); break;	804	case REQ_RMDIR: req->result = rmdir (req->dataptr); break;
670	case REQ_RENAME: req->result = rename (req->data2ptr, req->dataptr); break;	805	case REQ_RENAME: req->result = rename (req->data2ptr, req->dataptr); break;
671	case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break;	806	case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break;
672	case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break;	807	case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break;
673		808
674	case REQ_FDATASYNC: req->result = fdatasync (req->fd); break;	809	case REQ_FDATASYNC: req->result = fdatasync (req->fd); break;
675	case REQ_FSYNC: req->result = fsync (req->fd); break;	810	case REQ_FSYNC: req->result = fsync (req->fd); break;
676	case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break;	811	case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break;
677		812
		813	case REQ_SLEEP:
		814	{
		815	struct timeval tv;
		816
		817	tv.tv_sec = req->fd;
		818	tv.tv_usec = req->fd2;
		819
		820	req->result = select (0, 0, 0, 0, &tv);
		821	}
		822
678	case REQ_QUIT:	823	case REQ_QUIT:
679	break;	824	break;
680		825
681	default:	826	default:
682	req->result = ENOSYS;	827	req->result = ENOSYS;
683	break;	828	break;
684	}	829	}
685		830
686	req->errorno = errno;	831	req->errorno = errno;
687		832
688	pthread_mutex_lock (&reslock);	833	pthread_mutex_lock (&reslock);
689		834
…		…
743		888
744	while (reqs)	889	while (reqs)
745	{	890	{
746	prv = reqs;	891	prv = reqs;
747	reqs = prv->next;	892	reqs = prv->next;
748	free_req (prv);	893	req_free (prv);
749	}	894	}
750		895
751	reqs = reqe = 0;	896	reqs = reqe = 0;
752		897
753	while (ress)	898	while (ress)
754	{	899	{
755	prv = ress;	900	prv = ress;
756	ress = prv->next;	901	ress = prv->next;
757	free_req (prv);	902	req_free (prv);
758	}	903	}
759		904
760	ress = rese = 0;	905	ress = rese = 0;
761		906
762	close (respipe [0]);	907	close (respipe [0]);
…		…
768		913
769	#define dREQ \	914	#define dREQ \
770	aio_req req; \	915	aio_req req; \
771	\	916	\
772	if (SvOK (callback) && !SvROK (callback)) \	917	if (SvOK (callback) && !SvROK (callback)) \
773	croak ("clalback must be undef or of reference type"); \	918	croak ("callback must be undef or of reference type"); \
774	\	919	\
775	Newz (0, req, 1, aio_cb); \	920	Newz (0, req, 1, aio_cb); \
776	if (!req) \	921	if (!req) \
777	croak ("out of memory during aio_req allocation"); \	922	croak ("out of memory during aio_req allocation"); \
778	\	923	\
779	req->callback = newSVsv (callback);	924	req->callback = newSVsv (callback)
		925
		926	#define REQ_SEND \
		927	req_send (req); \
		928	\
		929	if (GIMME_V != G_VOID) \
		930	XPUSHs (req_sv (req, AIO_REQ_KLASS));
780		931
781	MODULE = IO::AIO PACKAGE = IO::AIO	932	MODULE = IO::AIO PACKAGE = IO::AIO
782		933
783	PROTOTYPES: ENABLE	934	PROTOTYPES: ENABLE
784		935
785	BOOT:	936	BOOT:
786	{	937	{
		938	HV *stash = gv_stashpv ("IO::AIO", 1);
		939	newCONSTSUB (stash, "EXDEV", newSViv (EXDEV));
		940	newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY));
		941	newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY));
		942
787	create_pipe ();	943	create_pipe ();
788	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);	944	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);
789	}	945	}
790		946
791	void	947	void
…		…
811	SV * pathname	967	SV * pathname
812	int flags	968	int flags
813	int mode	969	int mode
814	SV * callback	970	SV * callback
815	PROTOTYPE: $$$;$	971	PROTOTYPE: $$$;$
816	CODE:	972	PPCODE:
817	{	973	{
818	dREQ;	974	dREQ;
819		975
820	req->type = REQ_OPEN;	976	req->type = REQ_OPEN;
821	req->data = newSVsv (pathname);	977	req->data = newSVsv (pathname);
822	req->dataptr = SvPVbyte_nolen (req->data);	978	req->dataptr = SvPVbyte_nolen (req->data);
823	req->fd = flags;	979	req->fd = flags;
824	req->mode = mode;	980	req->mode = mode;
825		981
826	send_req (req);	982	REQ_SEND;
827	}	983	}
828		984
829	void	985	void
830	aio_close (fh,callback=&PL_sv_undef)	986	aio_close (fh,callback=&PL_sv_undef)
831	SV * fh	987	SV * fh
…		…
833	PROTOTYPE: $;$	989	PROTOTYPE: $;$
834	ALIAS:	990	ALIAS:
835	aio_close = REQ_CLOSE	991	aio_close = REQ_CLOSE
836	aio_fsync = REQ_FSYNC	992	aio_fsync = REQ_FSYNC
837	aio_fdatasync = REQ_FDATASYNC	993	aio_fdatasync = REQ_FDATASYNC
838	CODE:	994	PPCODE:
839	{	995	{
840	dREQ;	996	dREQ;
841		997
842	req->type = ix;	998	req->type = ix;
843	req->fh = newSVsv (fh);	999	req->fh = newSVsv (fh);
844	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));	1000	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));
845		1001
846	send_req (req);	1002	REQ_SEND (req);
847	}	1003	}
848		1004
849	void	1005	void
850	aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef)	1006	aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef)
851	SV * fh	1007	SV * fh
…		…
856	SV * callback	1012	SV * callback
857	ALIAS:	1013	ALIAS:
858	aio_read = REQ_READ	1014	aio_read = REQ_READ
859	aio_write = REQ_WRITE	1015	aio_write = REQ_WRITE
860	PROTOTYPE: $$$$$;$	1016	PROTOTYPE: $$$$$;$
861	CODE:	1017	PPCODE:
862	{	1018	{
863	aio_req req;	1019	aio_req req;
864	STRLEN svlen;	1020	STRLEN svlen;
865	char *svptr = SvPVbyte (data, svlen);	1021	char *svptr = SvPVbyte (data, svlen);
866		1022
…		…
904	{	1060	{
905	SvREADONLY_on (data);	1061	SvREADONLY_on (data);
906	req->data2ptr = (void *)data;	1062	req->data2ptr = (void *)data;
907	}	1063	}
908		1064
909	send_req (req);	1065	REQ_SEND;
910	}	1066	}
911	}	1067	}
912		1068
913	void	1069	void
914	aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef)	1070	aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef)
…		…
916	SV * in_fh	1072	SV * in_fh
917	UV in_offset	1073	UV in_offset
918	UV length	1074	UV length
919	SV * callback	1075	SV * callback
920	PROTOTYPE: $$$$;$	1076	PROTOTYPE: $$$$;$
921	CODE:	1077	PPCODE:
922	{	1078	{
923	dREQ;	1079	dREQ;
924		1080
925	req->type = REQ_SENDFILE;	1081	req->type = REQ_SENDFILE;
926	req->fh = newSVsv (out_fh);	1082	req->fh = newSVsv (out_fh);
…		…
928	req->fh2 = newSVsv (in_fh);	1084	req->fh2 = newSVsv (in_fh);
929	req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));	1085	req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));
930	req->offset = in_offset;	1086	req->offset = in_offset;
931	req->length = length;	1087	req->length = length;
932		1088
933	send_req (req);	1089	REQ_SEND;
934	}	1090	}
935		1091
936	void	1092	void
937	aio_readahead (fh,offset,length,callback=&PL_sv_undef)	1093	aio_readahead (fh,offset,length,callback=&PL_sv_undef)
938	SV * fh	1094	SV * fh
939	UV offset	1095	UV offset
940	IV length	1096	IV length
941	SV * callback	1097	SV * callback
942	PROTOTYPE: $$$;$	1098	PROTOTYPE: $$$;$
943	CODE:	1099	PPCODE:
944	{	1100	{
945	dREQ;	1101	dREQ;
946		1102
947	req->type = REQ_READAHEAD;	1103	req->type = REQ_READAHEAD;
948	req->fh = newSVsv (fh);	1104	req->fh = newSVsv (fh);
949	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));	1105	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));
950	req->offset = offset;	1106	req->offset = offset;
951	req->length = length;	1107	req->length = length;
952		1108
953	send_req (req);	1109	REQ_SEND;
954	}	1110	}
955		1111
956	void	1112	void
957	aio_stat (fh_or_path,callback=&PL_sv_undef)	1113	aio_stat (fh_or_path,callback=&PL_sv_undef)
958	SV * fh_or_path	1114	SV * fh_or_path
959	SV * callback	1115	SV * callback
960	ALIAS:	1116	ALIAS:
961	aio_stat = REQ_STAT	1117	aio_stat = REQ_STAT
962	aio_lstat = REQ_LSTAT	1118	aio_lstat = REQ_LSTAT
963	CODE:	1119	PPCODE:
964	{	1120	{
965	dREQ;	1121	dREQ;
966		1122
967	New (0, req->statdata, 1, Stat_t);	1123	New (0, req->statdata, 1, Stat_t);
968	if (!req->statdata)	1124	if (!req->statdata)
969	{	1125	{
970	free_req (req);	1126	req_free (req);
971	croak ("out of memory during aio_req->statdata allocation");	1127	croak ("out of memory during aio_req->statdata allocation");
972	}	1128	}
973		1129
974	if (SvPOK (fh_or_path))	1130	if (SvPOK (fh_or_path))
975	{	1131	{
…		…
982	req->type = REQ_FSTAT;	1138	req->type = REQ_FSTAT;
983	req->fh = newSVsv (fh_or_path);	1139	req->fh = newSVsv (fh_or_path);
984	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	1140	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
985	}	1141	}
986		1142
987	send_req (req);	1143	REQ_SEND;
988	}	1144	}
989		1145
990	void	1146	void
991	aio_unlink (pathname,callback=&PL_sv_undef)	1147	aio_unlink (pathname,callback=&PL_sv_undef)
992	SV * pathname	1148	SV * pathname
993	SV * callback	1149	SV * callback
994	ALIAS:	1150	ALIAS:
995	aio_unlink = REQ_UNLINK	1151	aio_unlink = REQ_UNLINK
996	aio_rmdir = REQ_RMDIR	1152	aio_rmdir = REQ_RMDIR
997	aio_readdir = REQ_READDIR	1153	aio_readdir = REQ_READDIR
998	CODE:	1154	PPCODE:
999	{	1155	{
1000	dREQ;	1156	dREQ;
1001		1157
1002	req->type = ix;	1158	req->type = ix;
1003	req->data = newSVsv (pathname);	1159	req->data = newSVsv (pathname);
1004	req->dataptr = SvPVbyte_nolen (req->data);	1160	req->dataptr = SvPVbyte_nolen (req->data);
1005		1161
1006	send_req (req);	1162	REQ_SEND;
1007	}	1163	}
1008		1164
1009	void	1165	void
1010	aio_link (oldpath,newpath,callback=&PL_sv_undef)	1166	aio_link (oldpath,newpath,callback=&PL_sv_undef)
1011	SV * oldpath	1167	SV * oldpath
…		…
1013	SV * callback	1169	SV * callback
1014	ALIAS:	1170	ALIAS:
1015	aio_link = REQ_LINK	1171	aio_link = REQ_LINK
1016	aio_symlink = REQ_SYMLINK	1172	aio_symlink = REQ_SYMLINK
1017	aio_rename = REQ_RENAME	1173	aio_rename = REQ_RENAME
1018	CODE:	1174	PPCODE:
1019	{	1175	{
1020	dREQ;	1176	dREQ;
1021		1177
1022	req->type = ix;	1178	req->type = ix;
1023	req->fh = newSVsv (oldpath);	1179	req->fh = newSVsv (oldpath);
1024	req->data2ptr = SvPVbyte_nolen (req->fh);	1180	req->data2ptr = SvPVbyte_nolen (req->fh);
1025	req->data = newSVsv (newpath);	1181	req->data = newSVsv (newpath);
1026	req->dataptr = SvPVbyte_nolen (req->data);	1182	req->dataptr = SvPVbyte_nolen (req->data);
1027		1183
1028	send_req (req);	1184	REQ_SEND;
		1185	}
		1186
		1187	void
		1188	aio_sleep (delay,callback=&PL_sv_undef)
		1189	double delay
		1190	SV * callback
		1191	PPCODE:
		1192	{
		1193	dREQ;
		1194
		1195	req->type = REQ_SLEEP;
		1196	req->fd = delay < 0. ? 0 : delay;
		1197	req->fd2 = delay < 0. ? 0 : 1000. * (delay - req->fd);
		1198
		1199	REQ_SEND;
		1200	}
		1201
		1202	void
		1203	aio_group (callback=&PL_sv_undef)
		1204	SV * callback
		1205	PROTOTYPE: ;$
		1206	PPCODE:
		1207	{
		1208	dREQ;
		1209	req->type = REQ_GROUP;
		1210	req_send (req);
		1211	XPUSHs (req_sv (req, AIO_GRP_KLASS));
1029	}	1212	}
1030		1213
1031	void	1214	void
1032	flush ()	1215	flush ()
1033	PROTOTYPE:	1216	PROTOTYPE:
…		…
1077	CODE:	1260	CODE:
1078	RETVAL = nreqs;	1261	RETVAL = nreqs;
1079	OUTPUT:	1262	OUTPUT:
1080	RETVAL	1263	RETVAL
1081		1264
		1265	PROTOTYPES: DISABLE
		1266
		1267	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
		1268
		1269	void
		1270	cancel (aio_req_ornot req)
		1271	PROTOTYPE:
		1272	CODE:
		1273	req_cancel (req);
		1274
		1275	MODULE = IO::AIO PACKAGE = IO::AIO::GRP
		1276
		1277	void
		1278	add (aio_req grp, ...)
		1279	PPCODE:
		1280	{
		1281	int i;
		1282
		1283	if (grp->fd == 2)
		1284	croak ("cannot add requests to IO::AIO::GRP after the group finished");
		1285
		1286	for (i = 1; i < items; ++i )
		1287	{
		1288	if (GIMME_V != G_VOID)
		1289	XPUSHs (sv_2mortal (newSVsv (ST (i))));
		1290
		1291	aio_req req = SvAIO_REQ (ST (i));
		1292
		1293	if (req)
		1294	{
		1295	++grp->length;
		1296	req->grp = grp;
		1297
		1298	req->grp_prev = 0;
		1299	req->grp_next = grp->grp_first;
		1300
		1301	if (grp->grp_first)
		1302	grp->grp_first->grp_prev = req;
		1303
		1304	grp->grp_first = req;
		1305	}
		1306	}
		1307	}
		1308
		1309	void
		1310	result (aio_req grp, ...)
		1311	CODE:
		1312	{
		1313	int i;
		1314	AV *av = newAV ();
		1315
		1316	for (i = 1; i < items; ++i )
		1317	av_push (av, newSVsv (ST (i)));
		1318
		1319	SvREFCNT_dec (grp->data);
		1320	grp->data = (SV *)av;
		1321	}
		1322
		1323	void
		1324	lock (aio_req grp)
		1325	CODE:
		1326	++grp->length;
		1327
		1328	void
		1329	unlock (aio_req grp)
		1330	CODE:
		1331	aio_grp_dec (grp);
		1332
		1333	void
		1334	feeder_limit (aio_req grp, int limit)
		1335	CODE:
		1336	grp->fd2 = limit;
		1337	aio_grp_feed (grp);
		1338
		1339	void
		1340	set_feeder (aio_req grp, SV *callback=&PL_sv_undef)
		1341	CODE:
		1342	{
		1343	SvREFCNT_dec (grp->fh2);
		1344	grp->fh2 = newSVsv (callback);
		1345
		1346	if (grp->fd2 <= 0)
		1347	grp->fd2 = 2;
		1348
		1349	aio_grp_feed (grp);
		1350	}
		1351

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Comparing IO-AIO/AIO.xs (file contents): Revision 1.40 by root, Sat Jun 24 16:27:02 2006 UTC vs. Revision 1.52 by root, Sun Oct 22 22:14:54 2006 UTC

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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.40 by root, Sat Jun 24 16:27:02 2006 UTC vs.
Revision 1.52 by root, Sun Oct 22 22:14:54 2006 UTC