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

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.38 by root, Sun Aug 28 10:51:33 2005 UTC vs.
Revision 1.50 by root, Sun Oct 22 21:13:47 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>
…		…
31	# else	34	# else
32	# error sendfile support requested but not available	35	# error sendfile support requested but not available
33	# endif	36	# endif
34	#endif	37	#endif
35		38
		39	/* used for struct dirent, AIX doesn't provide it */
		40	#ifndef NAME_MAX
		41	# define NAME_MAX 4096
		42	#endif
		43
36	#if __ia64	44	#if __ia64
37	# define STACKSIZE 65536	45	# define STACKSIZE 65536
38	#else	46	#else
39	# define STACKSIZE 8192	47	# define STACKSIZE 8192
40	#endif	48	#endif
…		…
44	REQ_OPEN, REQ_CLOSE,	52	REQ_OPEN, REQ_CLOSE,
45	REQ_READ, REQ_WRITE, REQ_READAHEAD,	53	REQ_READ, REQ_WRITE, REQ_READAHEAD,
46	REQ_SENDFILE,	54	REQ_SENDFILE,
47	REQ_STAT, REQ_LSTAT, REQ_FSTAT,	55	REQ_STAT, REQ_LSTAT, REQ_FSTAT,
48	REQ_FSYNC, REQ_FDATASYNC,	56	REQ_FSYNC, REQ_FDATASYNC,
49	REQ_UNLINK, REQ_RMDIR,	57	REQ_UNLINK, REQ_RMDIR, REQ_RENAME,
50	REQ_READDIR,	58	REQ_READDIR,
51	REQ_SYMLINK,	59	REQ_LINK, REQ_SYMLINK,
		60	REQ_SLEEP,
		61	REQ_GROUP,
52	};	62	};
53		63
		64	#define AIO_REQ_KLASS "IO::AIO::REQ"
		65	#define AIO_GRP_KLASS "IO::AIO::GRP"
		66
54	typedef struct aio_cb {	67	typedef struct aio_cb
		68	{
55	struct aio_cb *volatile next;	69	struct aio_cb *volatile next;
56		70
57	int type;	71	struct aio_cb grp, grp_prev, grp_next, grp_first;
58		72
59	/* should receive a cleanup, with unions */	73	SV self; / the perl counterpart of this request, if any */
60	int fd, fd2;	74
		75	SV data, callback;
		76	SV fh, fh2;
		77	void dataptr, data2ptr;
		78	Stat_t *statdata;
61	off_t offset;	79	off_t offset;
62	size_t length;	80	size_t length;
63	ssize_t result;	81	ssize_t result;
		82
		83	int type;
		84	int fd, fd2;
		85	int errorno;
		86	STRLEN dataoffset;
64	mode_t mode; /* open */	87	mode_t mode; /* open */
65	int errorno;	88	unsigned char cancelled;
66	SV data, callback;
67	SV fh, fh2;
68	void dataptr, data2ptr;
69	STRLEN dataoffset;
70
71	Stat_t *statdata;
72	} aio_cb;	89	} aio_cb;
73		90
74	typedef aio_cb *aio_req;	91	typedef aio_cb *aio_req;
		92	typedef aio_cb *aio_req_ornot;
75		93
76	static int started, wanted;	94	static int started, wanted;
77	static volatile int nreqs;	95	static volatile int nreqs;
78	static int max_outstanding = 1<<30;	96	static int max_outstanding = 1<<30;
79	static int respipe [2];	97	static int respipe [2];
…		…
83	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;	101	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;
84		102
85	static volatile aio_req reqs, reqe; /* queue start, queue end */	103	static volatile aio_req reqs, reqe; /* queue start, queue end */
86	static volatile aio_req ress, rese; /* queue start, queue end */	104	static volatile aio_req ress, rese; /* queue start, queue end */
87		105
		106	static void req_invoke (aio_req req);
88	static void free_req (aio_req req)	107	static void req_free (aio_req req);
89	{
90	if (req->data)
91	SvREFCNT_dec (req->data);
92		108
		109	/* must be called at most once */
		110	static SV req_sv (aio_req req, const char klass)
		111	{
93	if (req->fh)	112	if (!req->self)
94	SvREFCNT_dec (req->fh);	113	{
		114	req->self = (SV *)newHV ();
		115	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
		116	}
95		117
96	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	{
97	SvREFCNT_dec (req->fh2);	155	SvREFCNT_dec (grp->fh2);
98		156	grp->fh2 = 0;
99	if (req->statdata)	157	break;
100	Safefree (req->statdata);	158	}
101		159	}
102	if (req->callback)
103	SvREFCNT_dec (req->callback);
104
105	if (req->type == REQ_READDIR && req->result >= 0)
106	free (req->data2ptr);
107
108	Safefree (req);
109	}	160	}
110		161
111	static void	162	static void aio_grp_dec (aio_req grp)
112	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 ()
113	{	178	{
114	if (nreqs && !ress)	179	if (nreqs && !ress)
115	{	180	{
116	fd_set rfd;	181	fd_set rfd;
117	FD_ZERO(&rfd);	182	FD_ZERO(&rfd);
…		…
119		184
120	select (respipe [0] + 1, &rfd, 0, 0, 0);	185	select (respipe [0] + 1, &rfd, 0, 0, 0);
121	}	186	}
122	}	187	}
123		188
124	static int	189	static void req_invoke (aio_req req)
125	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	if (SvTRUE (ERRSV))
		276	{
		277	req_free (req);
		278	croak (0);
		279	}
		280
		281	FREETMPS;
		282	LEAVE;
		283
		284	errno = errorno;
		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 ()
126	{	335	{
127	dSP;	336	dSP;
128	int count = 0;	337	int count = 0;
129	int do_croak = 0;	338	int do_croak = 0;
130	aio_req req;	339	aio_req req;
…		…
152	pthread_mutex_unlock (&reslock);	361	pthread_mutex_unlock (&reslock);
153		362
154	if (!req)	363	if (!req)
155	break;	364	break;
156		365
157	nreqs--;	366	--nreqs;
158		367
159	if (req->type == REQ_QUIT)	368	if (req->type == REQ_QUIT)
160	started--;	369	started--;
		370	else if (req->type == REQ_GROUP && req->length)
		371	{
		372	req->fd = 1; /* mark request as delayed */
		373	continue;
		374	}
161	else	375	else
162	{	376	{
163	int errorno = errno;
164	errno = req->errorno;
165
166	if (req->type == REQ_READ)	377	if (req->type == REQ_READ)
167	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));
168		379
169	if (req->data2ptr && (req->type == REQ_READ \|\| req->type == REQ_WRITE))	380	if (req->data2ptr && (req->type == REQ_READ \|\| req->type == REQ_WRITE))
170	SvREADONLY_off (req->data);	381	SvREADONLY_off (req->data);
…		…
174	PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT;	385	PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT;
175	PL_laststatval = req->result;	386	PL_laststatval = req->result;
176	PL_statcache = *(req->statdata);	387	PL_statcache = *(req->statdata);
177	}	388	}
178		389
179	ENTER;	390	req_invoke (req);
180	PUSHMARK (SP);
181		391
182	if (req->type == REQ_READDIR)
183	{
184	SV *rv = &PL_sv_undef;
185
186	if (req->result >= 0)
187	{
188	char *buf = req->data2ptr;
189	AV *av = newAV ();
190
191	while (req->result)
192	{
193	SV *sv = newSVpv (buf, 0);
194
195	av_push (av, sv);
196	buf += SvCUR (sv) + 1;
197	req->result--;
198	}
199
200	rv = sv_2mortal (newRV_noinc ((SV *)av));
201	}
202
203	XPUSHs (rv);
204	}
205	else
206	{
207	XPUSHs (sv_2mortal (newSViv (req->result)));
208
209	if (req->type == REQ_OPEN)
210	{
211	/* convert fd to fh */
212	SV *fh;
213
214	PUTBACK;
215	call_pv ("IO::AIO::_fd2fh", G_SCALAR \| G_EVAL);
216	SPAGAIN;
217
218	fh = SvREFCNT_inc (POPs);
219
220	PUSHMARK (SP);
221	XPUSHs (sv_2mortal (fh));
222	}
223	}
224
225	if (SvOK (req->callback))
226	{
227	PUTBACK;
228	call_sv (req->callback, G_VOID \| G_EVAL);
229	SPAGAIN;
230
231	if (SvTRUE (ERRSV))
232	{
233	free_req (req);
234	croak (0);
235	}
236	}
237
238	LEAVE;
239
240	errno = errorno;
241	count++;	392	count++;
242	}	393	}
243		394
244	free_req (req);	395	req_free (req);
245	}	396	}
246		397
247	return count;	398	return count;
248	}	399	}
249		400
250	static void aio_proc(void arg);	401	static void aio_proc(void arg);
251		402
252	static void
253	start_thread (void)	403	static void start_thread (void)
254	{	404	{
255	sigset_t fullsigset, oldsigset;	405	sigset_t fullsigset, oldsigset;
256	pthread_t tid;	406	pthread_t tid;
257	pthread_attr_t attr;	407	pthread_attr_t attr;
258		408
…		…
267	started++;	417	started++;
268		418
269	sigprocmask (SIG_SETMASK, &oldsigset, 0);	419	sigprocmask (SIG_SETMASK, &oldsigset, 0);
270	}	420	}
271		421
272	static void	422	static void req_send (aio_req req)
273	send_req (aio_req req)
274	{	423	{
275	while (started < wanted && nreqs >= started)	424	while (started < wanted && nreqs >= started)
276	start_thread ();	425	start_thread ();
277		426
278	nreqs++;	427	++nreqs;
279		428
280	pthread_mutex_lock (&reqlock);	429	pthread_mutex_lock (&reqlock);
281		430
282	req->next = 0;	431	req->next = 0;
283		432
…		…
302		451
303	poll_wait ();	452	poll_wait ();
304	}	453	}
305	}	454	}
306		455
307	static void	456	static void end_thread (void)
308	end_thread (void)
309	{	457	{
310	aio_req req;	458	aio_req req;
311	Newz (0, req, 1, aio_cb);	459	Newz (0, req, 1, aio_cb);
312	req->type = REQ_QUIT;	460	req->type = REQ_QUIT;
313		461
314	send_req (req);	462	req_send (req);
315	}	463	}
316		464
317	static void min_parallel (int nthreads)	465	static void min_parallel (int nthreads)
318	{	466	{
319	if (wanted < nthreads)	467	if (wanted < nthreads)
…		…
364	* 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,
365	* but that's your problem, not mine.	513	* but that's your problem, not mine.
366	*/	514	*/
367	static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER;	515	static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER;
368		516
369	static ssize_t	517	static ssize_t pread (int fd, void *buf, size_t count, off_t offset)
370	pread (int fd, void *buf, size_t count, off_t offset)
371	{	518	{
372	ssize_t res;	519	ssize_t res;
373	off_t ooffset;	520	off_t ooffset;
374		521
375	pthread_mutex_lock (&preadwritelock);	522	pthread_mutex_lock (&preadwritelock);
…		…
380	pthread_mutex_unlock (&preadwritelock);	527	pthread_mutex_unlock (&preadwritelock);
381		528
382	return res;	529	return res;
383	}	530	}
384		531
385	static ssize_t
386	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)
387	{	533	{
388	ssize_t res;	534	ssize_t res;
389	off_t ooffset;	535	off_t ooffset;
390		536
391	pthread_mutex_lock (&preadwritelock);	537	pthread_mutex_lock (&preadwritelock);
…		…
404	#endif	550	#endif
405		551
406	#if !HAVE_READAHEAD	552	#if !HAVE_READAHEAD
407	# define readahead aio_readahead	553	# define readahead aio_readahead
408		554
409	static ssize_t
410	readahead (int fd, off_t offset, size_t count)	555	static ssize_t readahead (int fd, off_t offset, size_t count)
411	{	556	{
412	char readahead_buf[4096];	557	char readahead_buf[4096];
413		558
414	while (count > 0)	559	while (count > 0)
415	{	560	{
…		…
427	#if !HAVE_READDIR_R	572	#if !HAVE_READDIR_R
428	# define readdir_r aio_readdir_r	573	# define readdir_r aio_readdir_r
429		574
430	static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER;	575	static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER;
431		576
432	static int
433	readdir_r (DIR dirp, struct dirent ent, struct dirent **res)	577	static int readdir_r (DIR dirp, struct dirent ent, struct dirent **res)
434	{	578	{
435	struct dirent *e;	579	struct dirent *e;
436	int errorno;	580	int errorno;
437		581
438	pthread_mutex_lock (&readdirlock);	582	pthread_mutex_lock (&readdirlock);
…		…
454	return e ? 0 : -1;	598	return e ? 0 : -1;
455	}	599	}
456	#endif	600	#endif
457		601
458	/* sendfile always needs emulation */	602	/* sendfile always needs emulation */
459	static ssize_t
460	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)
461	{	604	{
462	ssize_t res;	605	ssize_t res;
463		606
464	if (!count)	607	if (!count)
465	return 0;	608	return 0;
…		…
547		690
548	return res;	691	return res;
549	}	692	}
550		693
551	/* read a full directory */	694	/* read a full directory */
552	static int
553	scandir_ (const char path, void *namesp)	695	static int scandir_ (const char path, void *namesp)
554	{	696	{
555	DIR *dirp = opendir (path);	697	DIR *dirp = opendir (path);
556	union	698	union
557	{	699	{
558	struct dirent d;	700	struct dirent d;
…		…
612	return res;	754	return res;
613	}	755	}
614		756
615	/*****************************************************************************/	757	/*****************************************************************************/
616		758
617	static void *
618	aio_proc (void *thr_arg)	759	static void aio_proc (void thr_arg)
619	{	760	{
620	aio_req req;	761	aio_req req;
621	int type;	762	int type;
622		763
623	do	764	do
…		…
642		783
643	pthread_mutex_unlock (&reqlock);	784	pthread_mutex_unlock (&reqlock);
644		785
645	errno = 0; /* strictly unnecessary */	786	errno = 0; /* strictly unnecessary */
646		787
647	type = req->type;	788	if (!req->cancelled)
648		789	switch (type = req->type) /* remember type for QUIT check */
649	switch (type)
650	{	790	{
651	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;
652	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;
653		793
654	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;
655	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;
656		796
657	case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break;	797	case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break;
658	case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break;	798	case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break;
659	case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break;	799	case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break;
660		800
661	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;
662	case REQ_CLOSE: req->result = close (req->fd); break;	802	case REQ_CLOSE: req->result = close (req->fd); break;
663	case REQ_UNLINK: req->result = unlink (req->dataptr); break;	803	case REQ_UNLINK: req->result = unlink (req->dataptr); break;
664	case REQ_RMDIR: req->result = rmdir (req->dataptr); break;	804	case REQ_RMDIR: req->result = rmdir (req->dataptr); break;
		805	case REQ_RENAME: req->result = rename (req->data2ptr, req->dataptr); break;
		806	case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break;
665	case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break;	807	case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break;
666		808
667	case REQ_FDATASYNC: req->result = fdatasync (req->fd); break;	809	case REQ_FDATASYNC: req->result = fdatasync (req->fd); break;
668	case REQ_FSYNC: req->result = fsync (req->fd); break;	810	case REQ_FSYNC: req->result = fsync (req->fd); break;
669	case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break;	811	case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break;
670		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
671	case REQ_QUIT:	823	case REQ_QUIT:
672	break;	824	break;
673		825
674	default:	826	default:
675	req->result = ENOSYS;	827	req->result = ENOSYS;
676	break;	828	break;
677	}	829	}
678		830
679	req->errorno = errno;	831	req->errorno = errno;
680		832
681	pthread_mutex_lock (&reslock);	833	pthread_mutex_lock (&reslock);
682		834
…		…
736		888
737	while (reqs)	889	while (reqs)
738	{	890	{
739	prv = reqs;	891	prv = reqs;
740	reqs = prv->next;	892	reqs = prv->next;
741	free_req (prv);	893	req_free (prv);
742	}	894	}
743		895
744	reqs = reqe = 0;	896	reqs = reqe = 0;
745		897
746	while (ress)	898	while (ress)
747	{	899	{
748	prv = ress;	900	prv = ress;
749	ress = prv->next;	901	ress = prv->next;
750	free_req (prv);	902	req_free (prv);
751	}	903	}
752		904
753	ress = rese = 0;	905	ress = rese = 0;
754		906
755	close (respipe [0]);	907	close (respipe [0]);
…		…
761		913
762	#define dREQ \	914	#define dREQ \
763	aio_req req; \	915	aio_req req; \
764	\	916	\
765	if (SvOK (callback) && !SvROK (callback)) \	917	if (SvOK (callback) && !SvROK (callback)) \
766	croak ("clalback must be undef or of reference type"); \	918	croak ("callback must be undef or of reference type"); \
767	\	919	\
768	Newz (0, req, 1, aio_cb); \	920	Newz (0, req, 1, aio_cb); \
769	if (!req) \	921	if (!req) \
770	croak ("out of memory during aio_req allocation"); \	922	croak ("out of memory during aio_req allocation"); \
771	\	923	\
772	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));
773		931
774	MODULE = IO::AIO PACKAGE = IO::AIO	932	MODULE = IO::AIO PACKAGE = IO::AIO
775		933
776	PROTOTYPES: ENABLE	934	PROTOTYPES: ENABLE
777		935
778	BOOT:	936	BOOT:
779	{	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
780	create_pipe ();	943	create_pipe ();
781	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);	944	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);
782	}	945	}
783		946
784	void	947	void
785	min_parallel(nthreads)	948	min_parallel (nthreads)
786	int nthreads	949	int nthreads
787	PROTOTYPE: $	950	PROTOTYPE: $
788		951
789	void	952	void
790	max_parallel(nthreads)	953	max_parallel (nthreads)
791	int nthreads	954	int nthreads
792	PROTOTYPE: $	955	PROTOTYPE: $
793		956
794	int	957	int
795	max_outstanding(nreqs)	958	max_outstanding (nreqs)
796	int nreqs	959	int nreqs
797	PROTOTYPE: $	960	PROTOTYPE: $
798	CODE:	961	CODE:
799	RETVAL = max_outstanding;	962	RETVAL = max_outstanding;
800	max_outstanding = nreqs;	963	max_outstanding = nreqs;
801		964
802	void	965	void
803	aio_open(pathname,flags,mode,callback=&PL_sv_undef)	966	aio_open (pathname,flags,mode,callback=&PL_sv_undef)
804	SV * pathname	967	SV * pathname
805	int flags	968	int flags
806	int mode	969	int mode
807	SV * callback	970	SV * callback
808	PROTOTYPE: $$$;$	971	PROTOTYPE: $$$;$
809	CODE:	972	PPCODE:
810	{	973	{
811	dREQ;	974	dREQ;
812		975
813	req->type = REQ_OPEN;	976	req->type = REQ_OPEN;
814	req->data = newSVsv (pathname);	977	req->data = newSVsv (pathname);
815	req->dataptr = SvPVbyte_nolen (req->data);	978	req->dataptr = SvPVbyte_nolen (req->data);
816	req->fd = flags;	979	req->fd = flags;
817	req->mode = mode;	980	req->mode = mode;
818		981
819	send_req (req);	982	REQ_SEND;
820	}	983	}
821		984
822	void	985	void
823	aio_close(fh,callback=&PL_sv_undef)	986	aio_close (fh,callback=&PL_sv_undef)
824	SV * fh	987	SV * fh
825	SV * callback	988	SV * callback
826	PROTOTYPE: $;$	989	PROTOTYPE: $;$
827	ALIAS:	990	ALIAS:
828	aio_close = REQ_CLOSE	991	aio_close = REQ_CLOSE
829	aio_fsync = REQ_FSYNC	992	aio_fsync = REQ_FSYNC
830	aio_fdatasync = REQ_FDATASYNC	993	aio_fdatasync = REQ_FDATASYNC
831	CODE:	994	PPCODE:
832	{	995	{
833	dREQ;	996	dREQ;
834		997
835	req->type = ix;	998	req->type = ix;
836	req->fh = newSVsv (fh);	999	req->fh = newSVsv (fh);
837	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));	1000	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));
838		1001
839	send_req (req);	1002	REQ_SEND (req);
840	}	1003	}
841		1004
842	void	1005	void
843	aio_read(fh,offset,length,data,dataoffset,callback=&PL_sv_undef)	1006	aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef)
844	SV * fh	1007	SV * fh
845	UV offset	1008	UV offset
846	UV length	1009	UV length
847	SV * data	1010	SV * data
848	UV dataoffset	1011	UV dataoffset
849	SV * callback	1012	SV * callback
850	ALIAS:	1013	ALIAS:
851	aio_read = REQ_READ	1014	aio_read = REQ_READ
852	aio_write = REQ_WRITE	1015	aio_write = REQ_WRITE
853	PROTOTYPE: $$$$$;$	1016	PROTOTYPE: $$$$$;$
854	CODE:	1017	PPCODE:
855	{	1018	{
856	aio_req req;	1019	aio_req req;
857	STRLEN svlen;	1020	STRLEN svlen;
858	char *svptr = SvPVbyte (data, svlen);	1021	char *svptr = SvPVbyte (data, svlen);
859		1022
…		…
897	{	1060	{
898	SvREADONLY_on (data);	1061	SvREADONLY_on (data);
899	req->data2ptr = (void *)data;	1062	req->data2ptr = (void *)data;
900	}	1063	}
901		1064
902	send_req (req);	1065	REQ_SEND;
903	}	1066	}
904	}	1067	}
905		1068
906	void	1069	void
907	aio_sendfile(out_fh,in_fh,in_offset,length,callback=&PL_sv_undef)	1070	aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef)
908	SV * out_fh	1071	SV * out_fh
909	SV * in_fh	1072	SV * in_fh
910	UV in_offset	1073	UV in_offset
911	UV length	1074	UV length
912	SV * callback	1075	SV * callback
913	PROTOTYPE: $$$$;$	1076	PROTOTYPE: $$$$;$
914	CODE:	1077	PPCODE:
915	{	1078	{
916	dREQ;	1079	dREQ;
917		1080
918	req->type = REQ_SENDFILE;	1081	req->type = REQ_SENDFILE;
919	req->fh = newSVsv (out_fh);	1082	req->fh = newSVsv (out_fh);
…		…
921	req->fh2 = newSVsv (in_fh);	1084	req->fh2 = newSVsv (in_fh);
922	req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));	1085	req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));
923	req->offset = in_offset;	1086	req->offset = in_offset;
924	req->length = length;	1087	req->length = length;
925		1088
926	send_req (req);	1089	REQ_SEND;
927	}	1090	}
928		1091
929	void	1092	void
930	aio_readahead(fh,offset,length,callback=&PL_sv_undef)	1093	aio_readahead (fh,offset,length,callback=&PL_sv_undef)
931	SV * fh	1094	SV * fh
932	UV offset	1095	UV offset
933	IV length	1096	IV length
934	SV * callback	1097	SV * callback
935	PROTOTYPE: $$$;$	1098	PROTOTYPE: $$$;$
936	CODE:	1099	PPCODE:
937	{	1100	{
938	dREQ;	1101	dREQ;
939		1102
940	req->type = REQ_READAHEAD;	1103	req->type = REQ_READAHEAD;
941	req->fh = newSVsv (fh);	1104	req->fh = newSVsv (fh);
942	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));	1105	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));
943	req->offset = offset;	1106	req->offset = offset;
944	req->length = length;	1107	req->length = length;
945		1108
946	send_req (req);	1109	REQ_SEND;
947	}	1110	}
948		1111
949	void	1112	void
950	aio_stat(fh_or_path,callback=&PL_sv_undef)	1113	aio_stat (fh_or_path,callback=&PL_sv_undef)
951	SV * fh_or_path	1114	SV * fh_or_path
952	SV * callback	1115	SV * callback
953	ALIAS:	1116	ALIAS:
954	aio_stat = REQ_STAT	1117	aio_stat = REQ_STAT
955	aio_lstat = REQ_LSTAT	1118	aio_lstat = REQ_LSTAT
956	CODE:	1119	PPCODE:
957	{	1120	{
958	dREQ;	1121	dREQ;
959		1122
960	New (0, req->statdata, 1, Stat_t);	1123	New (0, req->statdata, 1, Stat_t);
961	if (!req->statdata)	1124	if (!req->statdata)
962	{	1125	{
963	free_req (req);	1126	req_free (req);
964	croak ("out of memory during aio_req->statdata allocation");	1127	croak ("out of memory during aio_req->statdata allocation");
965	}	1128	}
966		1129
967	if (SvPOK (fh_or_path))	1130	if (SvPOK (fh_or_path))
968	{	1131	{
…		…
975	req->type = REQ_FSTAT;	1138	req->type = REQ_FSTAT;
976	req->fh = newSVsv (fh_or_path);	1139	req->fh = newSVsv (fh_or_path);
977	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	1140	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
978	}	1141	}
979		1142
980	send_req (req);	1143	REQ_SEND;
981	}	1144	}
982		1145
983	void	1146	void
984	aio_unlink(pathname,callback=&PL_sv_undef)	1147	aio_unlink (pathname,callback=&PL_sv_undef)
985	SV * pathname	1148	SV * pathname
986	SV * callback	1149	SV * callback
987	ALIAS:	1150	ALIAS:
988	aio_unlink = REQ_UNLINK	1151	aio_unlink = REQ_UNLINK
989	aio_rmdir = REQ_RMDIR	1152	aio_rmdir = REQ_RMDIR
		1153	aio_readdir = REQ_READDIR
990	CODE:	1154	PPCODE:
991	{	1155	{
992	dREQ;	1156	dREQ;
993		1157
994	req->type = ix;	1158	req->type = ix;
995	req->data = newSVsv (pathname);	1159	req->data = newSVsv (pathname);
996	req->dataptr = SvPVbyte_nolen (req->data);	1160	req->dataptr = SvPVbyte_nolen (req->data);
997		1161
998	send_req (req);	1162	REQ_SEND;
999	}	1163	}
1000		1164
1001	void	1165	void
1002	aio_symlink(oldpath,newpath,callback=&PL_sv_undef)	1166	aio_link (oldpath,newpath,callback=&PL_sv_undef)
1003	SV * oldpath	1167	SV * oldpath
1004	SV * newpath	1168	SV * newpath
1005	SV * callback	1169	SV * callback
		1170	ALIAS:
		1171	aio_link = REQ_LINK
		1172	aio_symlink = REQ_SYMLINK
		1173	aio_rename = REQ_RENAME
1006	CODE:	1174	PPCODE:
1007	{	1175	{
1008	dREQ;	1176	dREQ;
1009		1177
1010	req->type = REQ_SYMLINK;	1178	req->type = ix;
1011	req->fh = newSVsv (oldpath);	1179	req->fh = newSVsv (oldpath);
1012	req->data2ptr = SvPVbyte_nolen (req->fh);	1180	req->data2ptr = SvPVbyte_nolen (req->fh);
1013	req->data = newSVsv (newpath);	1181	req->data = newSVsv (newpath);
1014	req->dataptr = SvPVbyte_nolen (req->data);	1182	req->dataptr = SvPVbyte_nolen (req->data);
1015		1183
1016	send_req (req);	1184	REQ_SEND;
1017	}	1185	}
1018		1186
1019	void	1187	void
1020	aio_readdir(pathname,callback=&PL_sv_undef)	1188	aio_sleep (delay,callback=&PL_sv_undef)
1021	SV * pathname	1189	double delay
1022	SV * callback	1190	SV * callback
1023	CODE:	1191	PPCODE:
1024	{	1192	{
1025	dREQ;	1193	dREQ;
1026		1194
1027	req->type = REQ_READDIR;	1195	req->type = REQ_SLEEP;
1028	req->data = newSVsv (pathname);	1196	req->fd = delay < 0. ? 0 : delay;
1029	req->dataptr = SvPVbyte_nolen (req->data);	1197	req->fd2 = delay < 0. ? 0 : 1000. * (delay - req->fd);
1030
1031	send_req (req);
1032	}
1033		1198
		1199	REQ_SEND;
		1200	}
		1201
1034	void	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));
		1212	}
		1213
		1214	void
1035	flush()	1215	flush ()
1036	PROTOTYPE:	1216	PROTOTYPE:
1037	CODE:	1217	CODE:
1038	while (nreqs)	1218	while (nreqs)
1039	{	1219	{
1040	poll_wait ();	1220	poll_wait ();
…		…
1080	CODE:	1260	CODE:
1081	RETVAL = nreqs;	1261	RETVAL = nreqs;
1082	OUTPUT:	1262	OUTPUT:
1083	RETVAL	1263	RETVAL
1084		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	lock (aio_req grp)
		1311	CODE:
		1312	++grp->length;
		1313
		1314	void
		1315	unlock (aio_req grp)
		1316	CODE:
		1317	aio_grp_dec (grp);
		1318
		1319	void
		1320	feeder_limit (aio_req grp, int limit)
		1321	CODE:
		1322	grp->fd2 = limit;
		1323	aio_grp_feed (grp);
		1324
		1325	void
		1326	set_feeder (aio_req grp, SV *callback=&PL_sv_undef)
		1327	CODE:
		1328	{
		1329	SvREFCNT_dec (grp->fh2);
		1330	grp->fh2 = newSVsv (callback);
		1331
		1332	if (grp->fd2 <= 0)
		1333	grp->fd2 = 2;
		1334
		1335	aio_grp_feed (grp);
		1336	}
		1337

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Comparing IO-AIO/AIO.xs (file contents): Revision 1.38 by root, Sun Aug 28 10:51:33 2005 UTC vs. Revision 1.50 by root, Sun Oct 22 21:13:47 2006 UTC

Diff Legend

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.38 by root, Sun Aug 28 10:51:33 2005 UTC vs.
Revision 1.50 by root, Sun Oct 22 21:13:47 2006 UTC