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

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.39 by root, Mon Feb 6 23:54:12 2006 UTC vs.
Revision 1.53 by root, Mon Oct 23 00:17:07 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>
…		…
49	REQ_OPEN, REQ_CLOSE,	52	REQ_OPEN, REQ_CLOSE,
50	REQ_READ, REQ_WRITE, REQ_READAHEAD,	53	REQ_READ, REQ_WRITE, REQ_READAHEAD,
51	REQ_SENDFILE,	54	REQ_SENDFILE,
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,	57	REQ_UNLINK, REQ_RMDIR, REQ_RENAME,
55	REQ_READDIR,	58	REQ_READDIR,
56	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	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	{
102	SvREFCNT_dec (req->fh2);	157	SvREFCNT_dec (grp->fh2);
103		158	grp->fh2 = 0;
104	if (req->statdata)	159	break;
105	Safefree (req->statdata);	160	}
106		161	}
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	}	162	}
115		163
116	static void	164	static void aio_grp_dec (aio_req grp)
117	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 ()
118	{	180	{
119	if (nreqs && !ress)	181	if (nreqs && !ress)
120	{	182	{
121	fd_set rfd;	183	fd_set rfd;
122	FD_ZERO(&rfd);	184	FD_ZERO(&rfd);
…		…
124		186
125	select (respipe [0] + 1, &rfd, 0, 0, 0);	187	select (respipe [0] + 1, &rfd, 0, 0, 0);
126	}	188	}
127	}	189	}
128		190
129	static int	191	static void req_invoke (aio_req req)
130	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_SLEEP:
		265	break;
		266
		267	default:
		268	PUSHs (sv_2mortal (newSViv (req->result)));
		269	break;
		270	}
		271
		272
		273	PUTBACK;
		274	call_sv (req->callback, G_VOID \| G_EVAL);
		275	SPAGAIN;
		276
		277	FREETMPS;
		278	LEAVE;
		279
		280	errno = errorno;
		281
		282	if (SvTRUE (ERRSV))
		283	{
		284	req_free (req);
		285	croak (0);
		286	}
		287	}
		288
		289	static void req_free (aio_req req)
		290	{
		291	if (req->grp)
		292	{
		293	aio_req grp = req->grp;
		294
		295	/* unlink request */
		296	if (req->grp_next) req->grp_next->grp_prev = req->grp_prev;
		297	if (req->grp_prev) req->grp_prev->grp_next = req->grp_next;
		298
		299	if (grp->grp_first == req)
		300	grp->grp_first = req->grp_next;
		301
		302	aio_grp_dec (grp);
		303	}
		304
		305	if (req->self)
		306	{
		307	sv_unmagic (req->self, PERL_MAGIC_ext);
		308	SvREFCNT_dec (req->self);
		309	}
		310
		311	SvREFCNT_dec (req->data);
		312	SvREFCNT_dec (req->fh);
		313	SvREFCNT_dec (req->fh2);
		314	SvREFCNT_dec (req->callback);
		315	Safefree (req->statdata);
		316
		317	if (req->type == REQ_READDIR && req->result >= 0)
		318	free (req->data2ptr);
		319
		320	Safefree (req);
		321	}
		322
		323	static void req_cancel (aio_req req)
		324	{
		325	req->cancelled = 1;
		326
		327	if (req->type == REQ_GROUP)
		328	{
		329	aio_req sub;
		330
		331	for (sub = req->grp_first; sub; sub = sub->grp_next)
		332	req_cancel (sub);
		333	}
		334	}
		335
		336	static int poll_cb ()
131	{	337	{
132	dSP;	338	dSP;
133	int count = 0;	339	int count = 0;
134	int do_croak = 0;	340	int do_croak = 0;
135	aio_req req;	341	aio_req req;
…		…
157	pthread_mutex_unlock (&reslock);	363	pthread_mutex_unlock (&reslock);
158		364
159	if (!req)	365	if (!req)
160	break;	366	break;
161		367
162	nreqs--;	368	--nreqs;
163		369
164	if (req->type == REQ_QUIT)	370	if (req->type == REQ_QUIT)
165	started--;	371	started--;
		372	else if (req->type == REQ_GROUP && req->length)
		373	{
		374	req->fd = 1; /* mark request as delayed */
		375	continue;
		376	}
166	else	377	else
167	{	378	{
168	int errorno = errno;
169	errno = req->errorno;
170
171	if (req->type == REQ_READ)	379	if (req->type == REQ_READ)
172	SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0));	380	SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0));
173		381
174	if (req->data2ptr && (req->type == REQ_READ \|\| req->type == REQ_WRITE))	382	if (req->data2ptr && (req->type == REQ_READ \|\| req->type == REQ_WRITE))
175	SvREADONLY_off (req->data);	383	SvREADONLY_off (req->data);
…		…
179	PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT;	387	PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT;
180	PL_laststatval = req->result;	388	PL_laststatval = req->result;
181	PL_statcache = *(req->statdata);	389	PL_statcache = *(req->statdata);
182	}	390	}
183		391
184	ENTER;	392	req_invoke (req);
185	PUSHMARK (SP);
186		393
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++;	394	count++;
247	}	395	}
248		396
249	free_req (req);	397	req_free (req);
250	}	398	}
251		399
252	return count;	400	return count;
253	}	401	}
254		402
255	static void aio_proc(void arg);	403	static void aio_proc(void arg);
256		404
257	static void
258	start_thread (void)	405	static void start_thread (void)
259	{	406	{
260	sigset_t fullsigset, oldsigset;	407	sigset_t fullsigset, oldsigset;
261	pthread_t tid;	408	pthread_t tid;
262	pthread_attr_t attr;	409	pthread_attr_t attr;
263		410
…		…
272	started++;	419	started++;
273		420
274	sigprocmask (SIG_SETMASK, &oldsigset, 0);	421	sigprocmask (SIG_SETMASK, &oldsigset, 0);
275	}	422	}
276		423
277	static void	424	static void req_send (aio_req req)
278	send_req (aio_req req)
279	{	425	{
280	while (started < wanted && nreqs >= started)	426	while (started < wanted && nreqs >= started)
281	start_thread ();	427	start_thread ();
282		428
283	nreqs++;	429	++nreqs;
284		430
285	pthread_mutex_lock (&reqlock);	431	pthread_mutex_lock (&reqlock);
286		432
287	req->next = 0;	433	req->next = 0;
288		434
…		…
307		453
308	poll_wait ();	454	poll_wait ();
309	}	455	}
310	}	456	}
311		457
312	static void	458	static void end_thread (void)
313	end_thread (void)
314	{	459	{
315	aio_req req;	460	aio_req req;
316	Newz (0, req, 1, aio_cb);	461	Newz (0, req, 1, aio_cb);
317	req->type = REQ_QUIT;	462	req->type = REQ_QUIT;
318		463
319	send_req (req);	464	req_send (req);
320	}	465	}
321		466
322	static void min_parallel (int nthreads)	467	static void min_parallel (int nthreads)
323	{	468	{
324	if (wanted < nthreads)	469	if (wanted < nthreads)
…		…
369	* normal read/write by using a mutex. slows down execution a lot,	514	* normal read/write by using a mutex. slows down execution a lot,
370	* but that's your problem, not mine.	515	* but that's your problem, not mine.
371	*/	516	*/
372	static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER;	517	static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER;
373		518
374	static ssize_t	519	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	{	520	{
377	ssize_t res;	521	ssize_t res;
378	off_t ooffset;	522	off_t ooffset;
379		523
380	pthread_mutex_lock (&preadwritelock);	524	pthread_mutex_lock (&preadwritelock);
…		…
385	pthread_mutex_unlock (&preadwritelock);	529	pthread_mutex_unlock (&preadwritelock);
386		530
387	return res;	531	return res;
388	}	532	}
389		533
390	static ssize_t
391	pwrite (int fd, void *buf, size_t count, off_t offset)	534	static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset)
392	{	535	{
393	ssize_t res;	536	ssize_t res;
394	off_t ooffset;	537	off_t ooffset;
395		538
396	pthread_mutex_lock (&preadwritelock);	539	pthread_mutex_lock (&preadwritelock);
…		…
409	#endif	552	#endif
410		553
411	#if !HAVE_READAHEAD	554	#if !HAVE_READAHEAD
412	# define readahead aio_readahead	555	# define readahead aio_readahead
413		556
414	static ssize_t
415	readahead (int fd, off_t offset, size_t count)	557	static ssize_t readahead (int fd, off_t offset, size_t count)
416	{	558	{
417	char readahead_buf[4096];	559	char readahead_buf[4096];
418		560
419	while (count > 0)	561	while (count > 0)
420	{	562	{
…		…
432	#if !HAVE_READDIR_R	574	#if !HAVE_READDIR_R
433	# define readdir_r aio_readdir_r	575	# define readdir_r aio_readdir_r
434		576
435	static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER;	577	static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER;
436		578
437	static int
438	readdir_r (DIR dirp, struct dirent ent, struct dirent **res)	579	static int readdir_r (DIR dirp, struct dirent ent, struct dirent **res)
439	{	580	{
440	struct dirent *e;	581	struct dirent *e;
441	int errorno;	582	int errorno;
442		583
443	pthread_mutex_lock (&readdirlock);	584	pthread_mutex_lock (&readdirlock);
…		…
459	return e ? 0 : -1;	600	return e ? 0 : -1;
460	}	601	}
461	#endif	602	#endif
462		603
463	/* sendfile always needs emulation */	604	/* sendfile always needs emulation */
464	static ssize_t
465	sendfile_ (int ofd, int ifd, off_t offset, size_t count)	605	static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count)
466	{	606	{
467	ssize_t res;	607	ssize_t res;
468		608
469	if (!count)	609	if (!count)
470	return 0;	610	return 0;
…		…
552		692
553	return res;	693	return res;
554	}	694	}
555		695
556	/* read a full directory */	696	/* read a full directory */
557	static int
558	scandir_ (const char path, void *namesp)	697	static int scandir_ (const char path, void *namesp)
559	{	698	{
560	DIR *dirp = opendir (path);	699	DIR *dirp = opendir (path);
561	union	700	union
562	{	701	{
563	struct dirent d;	702	struct dirent d;
…		…
617	return res;	756	return res;
618	}	757	}
619		758
620	/*****************************************************************************/	759	/*****************************************************************************/
621		760
622	static void *
623	aio_proc (void *thr_arg)	761	static void aio_proc (void thr_arg)
624	{	762	{
625	aio_req req;	763	aio_req req;
626	int type;	764	int type;
627		765
628	do	766	do
…		…
647		785
648	pthread_mutex_unlock (&reqlock);	786	pthread_mutex_unlock (&reqlock);
649		787
650	errno = 0; /* strictly unnecessary */	788	errno = 0; /* strictly unnecessary */
651		789
652	type = req->type;	790	if (!req->cancelled)
653		791	switch (type = req->type) /* remember type for QUIT check */
654	switch (type)
655	{	792	{
656	case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break;	793	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;	794	case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break;
658		795
659	case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break;	796	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;	797	case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length); break;
661		798
662	case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break;	799	case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break;
663	case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break;	800	case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break;
664	case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break;	801	case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break;
665		802
666	case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break;	803	case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break;
667	case REQ_CLOSE: req->result = close (req->fd); break;	804	case REQ_CLOSE: req->result = close (req->fd); break;
668	case REQ_UNLINK: req->result = unlink (req->dataptr); break;	805	case REQ_UNLINK: req->result = unlink (req->dataptr); break;
669	case REQ_RMDIR: req->result = rmdir (req->dataptr); break;	806	case REQ_RMDIR: req->result = rmdir (req->dataptr); break;
		807	case REQ_RENAME: req->result = rename (req->data2ptr, req->dataptr); break;
		808	case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break;
670	case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break;	809	case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break;
671		810
672	case REQ_FDATASYNC: req->result = fdatasync (req->fd); break;	811	case REQ_FDATASYNC: req->result = fdatasync (req->fd); break;
673	case REQ_FSYNC: req->result = fsync (req->fd); break;	812	case REQ_FSYNC: req->result = fsync (req->fd); break;
674	case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break;	813	case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break;
675		814
		815	case REQ_SLEEP:
		816	{
		817	struct timeval tv;
		818
		819	tv.tv_sec = req->fd;
		820	tv.tv_usec = req->fd2;
		821
		822	req->result = select (0, 0, 0, 0, &tv);
		823	}
		824
676	case REQ_QUIT:	825	case REQ_QUIT:
677	break;	826	break;
678		827
679	default:	828	default:
680	req->result = ENOSYS;	829	req->result = ENOSYS;
681	break;	830	break;
682	}	831	}
683		832
684	req->errorno = errno;	833	req->errorno = errno;
685		834
686	pthread_mutex_lock (&reslock);	835	pthread_mutex_lock (&reslock);
687		836
…		…
741		890
742	while (reqs)	891	while (reqs)
743	{	892	{
744	prv = reqs;	893	prv = reqs;
745	reqs = prv->next;	894	reqs = prv->next;
746	free_req (prv);	895	req_free (prv);
747	}	896	}
748		897
749	reqs = reqe = 0;	898	reqs = reqe = 0;
750		899
751	while (ress)	900	while (ress)
752	{	901	{
753	prv = ress;	902	prv = ress;
754	ress = prv->next;	903	ress = prv->next;
755	free_req (prv);	904	req_free (prv);
756	}	905	}
757		906
758	ress = rese = 0;	907	ress = rese = 0;
759		908
760	close (respipe [0]);	909	close (respipe [0]);
…		…
766		915
767	#define dREQ \	916	#define dREQ \
768	aio_req req; \	917	aio_req req; \
769	\	918	\
770	if (SvOK (callback) && !SvROK (callback)) \	919	if (SvOK (callback) && !SvROK (callback)) \
771	croak ("clalback must be undef or of reference type"); \	920	croak ("callback must be undef or of reference type"); \
772	\	921	\
773	Newz (0, req, 1, aio_cb); \	922	Newz (0, req, 1, aio_cb); \
774	if (!req) \	923	if (!req) \
775	croak ("out of memory during aio_req allocation"); \	924	croak ("out of memory during aio_req allocation"); \
776	\	925	\
777	req->callback = newSVsv (callback);	926	req->callback = newSVsv (callback)
		927
		928	#define REQ_SEND \
		929	req_send (req); \
		930	\
		931	if (GIMME_V != G_VOID) \
		932	XPUSHs (req_sv (req, AIO_REQ_KLASS));
778		933
779	MODULE = IO::AIO PACKAGE = IO::AIO	934	MODULE = IO::AIO PACKAGE = IO::AIO
780		935
781	PROTOTYPES: ENABLE	936	PROTOTYPES: ENABLE
782		937
783	BOOT:	938	BOOT:
784	{	939	{
		940	HV *stash = gv_stashpv ("IO::AIO", 1);
		941	newCONSTSUB (stash, "EXDEV", newSViv (EXDEV));
		942	newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY));
		943	newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY));
		944
785	create_pipe ();	945	create_pipe ();
786	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);	946	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);
787	}	947	}
788		948
789	void	949	void
790	min_parallel(nthreads)	950	min_parallel (nthreads)
791	int nthreads	951	int nthreads
792	PROTOTYPE: $	952	PROTOTYPE: $
793		953
794	void	954	void
795	max_parallel(nthreads)	955	max_parallel (nthreads)
796	int nthreads	956	int nthreads
797	PROTOTYPE: $	957	PROTOTYPE: $
798		958
799	int	959	int
800	max_outstanding(nreqs)	960	max_outstanding (nreqs)
801	int nreqs	961	int nreqs
802	PROTOTYPE: $	962	PROTOTYPE: $
803	CODE:	963	CODE:
804	RETVAL = max_outstanding;	964	RETVAL = max_outstanding;
805	max_outstanding = nreqs;	965	max_outstanding = nreqs;
806		966
807	void	967	void
808	aio_open(pathname,flags,mode,callback=&PL_sv_undef)	968	aio_open (pathname,flags,mode,callback=&PL_sv_undef)
809	SV * pathname	969	SV * pathname
810	int flags	970	int flags
811	int mode	971	int mode
812	SV * callback	972	SV * callback
813	PROTOTYPE: $$$;$	973	PROTOTYPE: $$$;$
814	CODE:	974	PPCODE:
815	{	975	{
816	dREQ;	976	dREQ;
817		977
818	req->type = REQ_OPEN;	978	req->type = REQ_OPEN;
819	req->data = newSVsv (pathname);	979	req->data = newSVsv (pathname);
820	req->dataptr = SvPVbyte_nolen (req->data);	980	req->dataptr = SvPVbyte_nolen (req->data);
821	req->fd = flags;	981	req->fd = flags;
822	req->mode = mode;	982	req->mode = mode;
823		983
824	send_req (req);	984	REQ_SEND;
825	}	985	}
826		986
827	void	987	void
828	aio_close(fh,callback=&PL_sv_undef)	988	aio_close (fh,callback=&PL_sv_undef)
829	SV * fh	989	SV * fh
830	SV * callback	990	SV * callback
831	PROTOTYPE: $;$	991	PROTOTYPE: $;$
832	ALIAS:	992	ALIAS:
833	aio_close = REQ_CLOSE	993	aio_close = REQ_CLOSE
834	aio_fsync = REQ_FSYNC	994	aio_fsync = REQ_FSYNC
835	aio_fdatasync = REQ_FDATASYNC	995	aio_fdatasync = REQ_FDATASYNC
836	CODE:	996	PPCODE:
837	{	997	{
838	dREQ;	998	dREQ;
839		999
840	req->type = ix;	1000	req->type = ix;
841	req->fh = newSVsv (fh);	1001	req->fh = newSVsv (fh);
842	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));	1002	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));
843		1003
844	send_req (req);	1004	REQ_SEND (req);
845	}	1005	}
846		1006
847	void	1007	void
848	aio_read(fh,offset,length,data,dataoffset,callback=&PL_sv_undef)	1008	aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef)
849	SV * fh	1009	SV * fh
850	UV offset	1010	UV offset
851	UV length	1011	UV length
852	SV * data	1012	SV * data
853	UV dataoffset	1013	UV dataoffset
854	SV * callback	1014	SV * callback
855	ALIAS:	1015	ALIAS:
856	aio_read = REQ_READ	1016	aio_read = REQ_READ
857	aio_write = REQ_WRITE	1017	aio_write = REQ_WRITE
858	PROTOTYPE: $$$$$;$	1018	PROTOTYPE: $$$$$;$
859	CODE:	1019	PPCODE:
860	{	1020	{
861	aio_req req;	1021	aio_req req;
862	STRLEN svlen;	1022	STRLEN svlen;
863	char *svptr = SvPVbyte (data, svlen);	1023	char *svptr = SvPVbyte (data, svlen);
864		1024
…		…
902	{	1062	{
903	SvREADONLY_on (data);	1063	SvREADONLY_on (data);
904	req->data2ptr = (void *)data;	1064	req->data2ptr = (void *)data;
905	}	1065	}
906		1066
907	send_req (req);	1067	REQ_SEND;
908	}	1068	}
909	}	1069	}
910		1070
911	void	1071	void
912	aio_sendfile(out_fh,in_fh,in_offset,length,callback=&PL_sv_undef)	1072	aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef)
913	SV * out_fh	1073	SV * out_fh
914	SV * in_fh	1074	SV * in_fh
915	UV in_offset	1075	UV in_offset
916	UV length	1076	UV length
917	SV * callback	1077	SV * callback
918	PROTOTYPE: $$$$;$	1078	PROTOTYPE: $$$$;$
919	CODE:	1079	PPCODE:
920	{	1080	{
921	dREQ;	1081	dREQ;
922		1082
923	req->type = REQ_SENDFILE;	1083	req->type = REQ_SENDFILE;
924	req->fh = newSVsv (out_fh);	1084	req->fh = newSVsv (out_fh);
…		…
926	req->fh2 = newSVsv (in_fh);	1086	req->fh2 = newSVsv (in_fh);
927	req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));	1087	req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));
928	req->offset = in_offset;	1088	req->offset = in_offset;
929	req->length = length;	1089	req->length = length;
930		1090
931	send_req (req);	1091	REQ_SEND;
932	}	1092	}
933		1093
934	void	1094	void
935	aio_readahead(fh,offset,length,callback=&PL_sv_undef)	1095	aio_readahead (fh,offset,length,callback=&PL_sv_undef)
936	SV * fh	1096	SV * fh
937	UV offset	1097	UV offset
938	IV length	1098	IV length
939	SV * callback	1099	SV * callback
940	PROTOTYPE: $$$;$	1100	PROTOTYPE: $$$;$
941	CODE:	1101	PPCODE:
942	{	1102	{
943	dREQ;	1103	dREQ;
944		1104
945	req->type = REQ_READAHEAD;	1105	req->type = REQ_READAHEAD;
946	req->fh = newSVsv (fh);	1106	req->fh = newSVsv (fh);
947	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));	1107	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));
948	req->offset = offset;	1108	req->offset = offset;
949	req->length = length;	1109	req->length = length;
950		1110
951	send_req (req);	1111	REQ_SEND;
952	}	1112	}
953		1113
954	void	1114	void
955	aio_stat(fh_or_path,callback=&PL_sv_undef)	1115	aio_stat (fh_or_path,callback=&PL_sv_undef)
956	SV * fh_or_path	1116	SV * fh_or_path
957	SV * callback	1117	SV * callback
958	ALIAS:	1118	ALIAS:
959	aio_stat = REQ_STAT	1119	aio_stat = REQ_STAT
960	aio_lstat = REQ_LSTAT	1120	aio_lstat = REQ_LSTAT
961	CODE:	1121	PPCODE:
962	{	1122	{
963	dREQ;	1123	dREQ;
964		1124
965	New (0, req->statdata, 1, Stat_t);	1125	New (0, req->statdata, 1, Stat_t);
966	if (!req->statdata)	1126	if (!req->statdata)
967	{	1127	{
968	free_req (req);	1128	req_free (req);
969	croak ("out of memory during aio_req->statdata allocation");	1129	croak ("out of memory during aio_req->statdata allocation");
970	}	1130	}
971		1131
972	if (SvPOK (fh_or_path))	1132	if (SvPOK (fh_or_path))
973	{	1133	{
…		…
980	req->type = REQ_FSTAT;	1140	req->type = REQ_FSTAT;
981	req->fh = newSVsv (fh_or_path);	1141	req->fh = newSVsv (fh_or_path);
982	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	1142	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
983	}	1143	}
984		1144
985	send_req (req);	1145	REQ_SEND;
986	}	1146	}
987		1147
988	void	1148	void
989	aio_unlink(pathname,callback=&PL_sv_undef)	1149	aio_unlink (pathname,callback=&PL_sv_undef)
990	SV * pathname	1150	SV * pathname
991	SV * callback	1151	SV * callback
992	ALIAS:	1152	ALIAS:
993	aio_unlink = REQ_UNLINK	1153	aio_unlink = REQ_UNLINK
994	aio_rmdir = REQ_RMDIR	1154	aio_rmdir = REQ_RMDIR
		1155	aio_readdir = REQ_READDIR
995	CODE:	1156	PPCODE:
996	{	1157	{
997	dREQ;	1158	dREQ;
998		1159
999	req->type = ix;	1160	req->type = ix;
1000	req->data = newSVsv (pathname);	1161	req->data = newSVsv (pathname);
1001	req->dataptr = SvPVbyte_nolen (req->data);	1162	req->dataptr = SvPVbyte_nolen (req->data);
1002		1163
1003	send_req (req);	1164	REQ_SEND;
1004	}	1165	}
1005		1166
1006	void	1167	void
1007	aio_symlink(oldpath,newpath,callback=&PL_sv_undef)	1168	aio_link (oldpath,newpath,callback=&PL_sv_undef)
1008	SV * oldpath	1169	SV * oldpath
1009	SV * newpath	1170	SV * newpath
1010	SV * callback	1171	SV * callback
		1172	ALIAS:
		1173	aio_link = REQ_LINK
		1174	aio_symlink = REQ_SYMLINK
		1175	aio_rename = REQ_RENAME
1011	CODE:	1176	PPCODE:
1012	{	1177	{
1013	dREQ;	1178	dREQ;
1014		1179
1015	req->type = REQ_SYMLINK;	1180	req->type = ix;
1016	req->fh = newSVsv (oldpath);	1181	req->fh = newSVsv (oldpath);
1017	req->data2ptr = SvPVbyte_nolen (req->fh);	1182	req->data2ptr = SvPVbyte_nolen (req->fh);
1018	req->data = newSVsv (newpath);	1183	req->data = newSVsv (newpath);
1019	req->dataptr = SvPVbyte_nolen (req->data);	1184	req->dataptr = SvPVbyte_nolen (req->data);
1020		1185
1021	send_req (req);	1186	REQ_SEND;
1022	}	1187	}
1023		1188
1024	void	1189	void
1025	aio_readdir(pathname,callback=&PL_sv_undef)	1190	aio_sleep (delay,callback=&PL_sv_undef)
1026	SV * pathname	1191	double delay
1027	SV * callback	1192	SV * callback
1028	CODE:	1193	PPCODE:
1029	{	1194	{
1030	dREQ;	1195	dREQ;
1031		1196
1032	req->type = REQ_READDIR;	1197	req->type = REQ_SLEEP;
1033	req->data = newSVsv (pathname);	1198	req->fd = delay < 0. ? 0 : delay;
1034	req->dataptr = SvPVbyte_nolen (req->data);	1199	req->fd2 = delay < 0. ? 0 : 1000. * (delay - req->fd);
1035
1036	send_req (req);
1037	}
1038		1200
		1201	REQ_SEND;
		1202	}
		1203
1039	void	1204	void
		1205	aio_group (callback=&PL_sv_undef)
		1206	SV * callback
		1207	PROTOTYPE: ;$
		1208	PPCODE:
		1209	{
		1210	dREQ;
		1211	req->type = REQ_GROUP;
		1212	req_send (req);
		1213	XPUSHs (req_sv (req, AIO_GRP_KLASS));
		1214	}
		1215
		1216	void
1040	flush()	1217	flush ()
1041	PROTOTYPE:	1218	PROTOTYPE:
1042	CODE:	1219	CODE:
1043	while (nreqs)	1220	while (nreqs)
1044	{	1221	{
1045	poll_wait ();	1222	poll_wait ();
…		…
1085	CODE:	1262	CODE:
1086	RETVAL = nreqs;	1263	RETVAL = nreqs;
1087	OUTPUT:	1264	OUTPUT:
1088	RETVAL	1265	RETVAL
1089		1266
		1267	PROTOTYPES: DISABLE
		1268
		1269	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
		1270
		1271	void
		1272	cancel (aio_req_ornot req)
		1273	PROTOTYPE:
		1274	CODE:
		1275	req_cancel (req);
		1276
		1277	MODULE = IO::AIO PACKAGE = IO::AIO::GRP
		1278
		1279	void
		1280	add (aio_req grp, ...)
		1281	PPCODE:
		1282	{
		1283	int i;
		1284	aio_req req;
		1285
		1286	if (grp->fd == 2)
		1287	croak ("cannot add requests to IO::AIO::GRP after the group finished");
		1288
		1289	for (i = 1; i < items; ++i )
		1290	{
		1291	if (GIMME_V != G_VOID)
		1292	XPUSHs (sv_2mortal (newSVsv (ST (i))));
		1293
		1294	req = SvAIO_REQ (ST (i));
		1295
		1296	if (req)
		1297	{
		1298	++grp->length;
		1299	req->grp = grp;
		1300
		1301	req->grp_prev = 0;
		1302	req->grp_next = grp->grp_first;
		1303
		1304	if (grp->grp_first)
		1305	grp->grp_first->grp_prev = req;
		1306
		1307	grp->grp_first = req;
		1308	}
		1309	}
		1310	}
		1311
		1312	void
		1313	result (aio_req grp, ...)
		1314	CODE:
		1315	{
		1316	int i;
		1317	AV *av = newAV ();
		1318
		1319	for (i = 1; i < items; ++i )
		1320	av_push (av, newSVsv (ST (i)));
		1321
		1322	SvREFCNT_dec (grp->data);
		1323	grp->data = (SV *)av;
		1324	}
		1325
		1326	void
		1327	lock (aio_req grp)
		1328	CODE:
		1329	++grp->length;
		1330
		1331	void
		1332	unlock (aio_req grp)
		1333	CODE:
		1334	aio_grp_dec (grp);
		1335
		1336	void
		1337	feeder_limit (aio_req grp, int limit)
		1338	CODE:
		1339	grp->fd2 = limit;
		1340	aio_grp_feed (grp);
		1341
		1342	void
		1343	set_feeder (aio_req grp, SV *callback=&PL_sv_undef)
		1344	CODE:
		1345	{
		1346	SvREFCNT_dec (grp->fh2);
		1347	grp->fh2 = newSVsv (callback);
		1348
		1349	if (grp->fd2 <= 0)
		1350	grp->fd2 = 2;
		1351
		1352	aio_grp_feed (grp);
		1353	}
		1354

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Comparing IO-AIO/AIO.xs (file contents): Revision 1.39 by root, Mon Feb 6 23:54:12 2006 UTC vs. Revision 1.53 by root, Mon Oct 23 00:17:07 2006 UTC

Diff Legend

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.39 by root, Mon Feb 6 23:54:12 2006 UTC vs.
Revision 1.53 by root, Mon Oct 23 00:17:07 2006 UTC