[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 1.56 by root, Mon Oct 23 14:49:51 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_GROUP, REQ_NOP,
		61	REQ_SLEEP,
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_NOP:
		265	case REQ_SLEEP:
		266	break;
		267
		268	default:
		269	PUSHs (sv_2mortal (newSViv (req->result)));
		270	break;
		271	}
		272
		273
		274	PUTBACK;
		275	call_sv (req->callback, G_VOID \| G_EVAL);
		276	SPAGAIN;
		277
		278	FREETMPS;
		279	LEAVE;
		280
		281	errno = errorno;
		282
		283	if (SvTRUE (ERRSV))
		284	{
		285	req_free (req);
		286	croak (0);
		287	}
		288	}
		289
		290	static void req_free (aio_req req)
		291	{
		292	if (req->grp)
		293	{
		294	aio_req grp = req->grp;
		295
		296	/* unlink request */
		297	if (req->grp_next) req->grp_next->grp_prev = req->grp_prev;
		298	if (req->grp_prev) req->grp_prev->grp_next = req->grp_next;
		299
		300	if (grp->grp_first == req)
		301	grp->grp_first = req->grp_next;
		302
		303	aio_grp_dec (grp);
		304	}
		305
		306	if (req->self)
		307	{
		308	sv_unmagic (req->self, PERL_MAGIC_ext);
		309	SvREFCNT_dec (req->self);
		310	}
		311
		312	SvREFCNT_dec (req->data);
		313	SvREFCNT_dec (req->fh);
		314	SvREFCNT_dec (req->fh2);
		315	SvREFCNT_dec (req->callback);
		316	Safefree (req->statdata);
		317
		318	if (req->type == REQ_READDIR && req->result >= 0)
		319	free (req->data2ptr);
		320
		321	Safefree (req);
		322	}
		323
		324	static void req_cancel (aio_req req)
		325	{
		326	req->cancelled = 1;
		327
		328	if (req->type == REQ_GROUP)
		329	{
		330	aio_req sub;
		331
		332	for (sub = req->grp_first; sub; sub = sub->grp_next)
		333	req_cancel (sub);
		334	}
		335	}
		336
		337	static int poll_cb ()
131	{	338	{
132	dSP;	339	dSP;
133	int count = 0;	340	int count = 0;
134	int do_croak = 0;	341	int do_croak = 0;
135	aio_req req;	342	aio_req req;
…		…
157	pthread_mutex_unlock (&reslock);	364	pthread_mutex_unlock (&reslock);
158		365
159	if (!req)	366	if (!req)
160	break;	367	break;
161		368
162	nreqs--;	369	--nreqs;
163		370
164	if (req->type == REQ_QUIT)	371	if (req->type == REQ_QUIT)
165	started--;	372	started--;
		373	else if (req->type == REQ_GROUP && req->length)
		374	{
		375	req->fd = 1; /* mark request as delayed */
		376	continue;
		377	}
166	else	378	else
167	{	379	{
168	int errorno = errno;
169	errno = req->errorno;
170
171	if (req->type == REQ_READ)	380	if (req->type == REQ_READ)
172	SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0));	381	SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0));
173		382
174	if (req->data2ptr && (req->type == REQ_READ \|\| req->type == REQ_WRITE))	383	if (req->data2ptr && (req->type == REQ_READ \|\| req->type == REQ_WRITE))
175	SvREADONLY_off (req->data);	384	SvREADONLY_off (req->data);
…		…
179	PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT;	388	PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT;
180	PL_laststatval = req->result;	389	PL_laststatval = req->result;
181	PL_statcache = *(req->statdata);	390	PL_statcache = *(req->statdata);
182	}	391	}
183		392
184	ENTER;	393	req_invoke (req);
185	PUSHMARK (SP);
186		394
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++;	395	count++;
247	}	396	}
248		397
249	free_req (req);	398	req_free (req);
250	}	399	}
251		400
252	return count;	401	return count;
253	}	402	}
254		403
255	static void aio_proc(void arg);	404	static void aio_proc(void arg);
256		405
257	static void
258	start_thread (void)	406	static void start_thread (void)
259	{	407	{
260	sigset_t fullsigset, oldsigset;	408	sigset_t fullsigset, oldsigset;
261	pthread_t tid;	409	pthread_t tid;
262	pthread_attr_t attr;	410	pthread_attr_t attr;
263		411
…		…
272	started++;	420	started++;
273		421
274	sigprocmask (SIG_SETMASK, &oldsigset, 0);	422	sigprocmask (SIG_SETMASK, &oldsigset, 0);
275	}	423	}
276		424
277	static void	425	static void req_send (aio_req req)
278	send_req (aio_req req)
279	{	426	{
280	while (started < wanted && nreqs >= started)	427	while (started < wanted && nreqs >= started)
281	start_thread ();	428	start_thread ();
282		429
283	nreqs++;	430	++nreqs;
284		431
285	pthread_mutex_lock (&reqlock);	432	pthread_mutex_lock (&reqlock);
286		433
287	req->next = 0;	434	req->next = 0;
288		435
…		…
307		454
308	poll_wait ();	455	poll_wait ();
309	}	456	}
310	}	457	}
311		458
312	static void	459	static void end_thread (void)
313	end_thread (void)
314	{	460	{
315	aio_req req;	461	aio_req req;
316	Newz (0, req, 1, aio_cb);	462	Newz (0, req, 1, aio_cb);
317	req->type = REQ_QUIT;	463	req->type = REQ_QUIT;
318		464
319	send_req (req);	465	req_send (req);
320	}	466	}
321		467
322	static void min_parallel (int nthreads)	468	static void min_parallel (int nthreads)
323	{	469	{
324	if (wanted < nthreads)	470	if (wanted < nthreads)
…		…
369	* normal read/write by using a mutex. slows down execution a lot,	515	* normal read/write by using a mutex. slows down execution a lot,
370	* but that's your problem, not mine.	516	* but that's your problem, not mine.
371	*/	517	*/
372	static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER;	518	static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER;
373		519
374	static ssize_t	520	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	{	521	{
377	ssize_t res;	522	ssize_t res;
378	off_t ooffset;	523	off_t ooffset;
379		524
380	pthread_mutex_lock (&preadwritelock);	525	pthread_mutex_lock (&preadwritelock);
…		…
385	pthread_mutex_unlock (&preadwritelock);	530	pthread_mutex_unlock (&preadwritelock);
386		531
387	return res;	532	return res;
388	}	533	}
389		534
390	static ssize_t
391	pwrite (int fd, void *buf, size_t count, off_t offset)	535	static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset)
392	{	536	{
393	ssize_t res;	537	ssize_t res;
394	off_t ooffset;	538	off_t ooffset;
395		539
396	pthread_mutex_lock (&preadwritelock);	540	pthread_mutex_lock (&preadwritelock);
…		…
409	#endif	553	#endif
410		554
411	#if !HAVE_READAHEAD	555	#if !HAVE_READAHEAD
412	# define readahead aio_readahead	556	# define readahead aio_readahead
413		557
414	static ssize_t
415	readahead (int fd, off_t offset, size_t count)	558	static ssize_t readahead (int fd, off_t offset, size_t count)
416	{	559	{
417	char readahead_buf[4096];	560	char readahead_buf[4096];
418		561
419	while (count > 0)	562	while (count > 0)
420	{	563	{
…		…
432	#if !HAVE_READDIR_R	575	#if !HAVE_READDIR_R
433	# define readdir_r aio_readdir_r	576	# define readdir_r aio_readdir_r
434		577
435	static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER;	578	static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER;
436		579
437	static int
438	readdir_r (DIR dirp, struct dirent ent, struct dirent **res)	580	static int readdir_r (DIR dirp, struct dirent ent, struct dirent **res)
439	{	581	{
440	struct dirent *e;	582	struct dirent *e;
441	int errorno;	583	int errorno;
442		584
443	pthread_mutex_lock (&readdirlock);	585	pthread_mutex_lock (&readdirlock);
…		…
459	return e ? 0 : -1;	601	return e ? 0 : -1;
460	}	602	}
461	#endif	603	#endif
462		604
463	/* sendfile always needs emulation */	605	/* sendfile always needs emulation */
464	static ssize_t
465	sendfile_ (int ofd, int ifd, off_t offset, size_t count)	606	static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count)
466	{	607	{
467	ssize_t res;	608	ssize_t res;
468		609
469	if (!count)	610	if (!count)
470	return 0;	611	return 0;
…		…
552		693
553	return res;	694	return res;
554	}	695	}
555		696
556	/* read a full directory */	697	/* read a full directory */
557	static int
558	scandir_ (const char path, void *namesp)	698	static int scandir_ (const char path, void *namesp)
559	{	699	{
560	DIR *dirp = opendir (path);	700	DIR *dirp = opendir (path);
561	union	701	union
562	{	702	{
563	struct dirent d;	703	struct dirent d;
…		…
617	return res;	757	return res;
618	}	758	}
619		759
620	/*****************************************************************************/	760	/*****************************************************************************/
621		761
622	static void *
623	aio_proc (void *thr_arg)	762	static void aio_proc (void thr_arg)
624	{	763	{
625	aio_req req;	764	aio_req req;
626	int type;	765	int type;
627		766
628	do	767	do
…		…
647		786
648	pthread_mutex_unlock (&reqlock);	787	pthread_mutex_unlock (&reqlock);
649		788
650	errno = 0; /* strictly unnecessary */	789	errno = 0; /* strictly unnecessary */
651		790
652	type = req->type;	791	if (!req->cancelled)
653		792	switch (type = req->type) /* remember type for QUIT check */
654	switch (type)
655	{	793	{
656	case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break;	794	case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break;
657	case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break;	795	case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break;
658		796
659	case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break;	797	case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break;
660	case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length); break;	798	case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length); break;
661		799
662	case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break;	800	case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break;
663	case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break;	801	case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break;
664	case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break;	802	case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break;
665		803
666	case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break;	804	case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break;
667	case REQ_CLOSE: req->result = close (req->fd); break;	805	case REQ_CLOSE: req->result = close (req->fd); break;
668	case REQ_UNLINK: req->result = unlink (req->dataptr); break;	806	case REQ_UNLINK: req->result = unlink (req->dataptr); break;
669	case REQ_RMDIR: req->result = rmdir (req->dataptr); break;	807	case REQ_RMDIR: req->result = rmdir (req->dataptr); break;
670	case REQ_RENAME: req->result = rename (req->data2ptr, req->dataptr); break;	808	case REQ_RENAME: req->result = rename (req->data2ptr, req->dataptr); break;
671	case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break;	809	case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break;
672	case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break;	810	case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break;
673		811
674	case REQ_FDATASYNC: req->result = fdatasync (req->fd); break;	812	case REQ_FDATASYNC: req->result = fdatasync (req->fd); break;
675	case REQ_FSYNC: req->result = fsync (req->fd); break;	813	case REQ_FSYNC: req->result = fsync (req->fd); break;
676	case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break;	814	case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break;
677		815
		816	case REQ_SLEEP:
		817	{
		818	struct timeval tv;
		819
		820	tv.tv_sec = req->fd;
		821	tv.tv_usec = req->fd2;
		822
		823	req->result = select (0, 0, 0, 0, &tv);
		824	}
		825
		826	case REQ_GROUP:
		827	case REQ_NOP:
678	case REQ_QUIT:	828	case REQ_QUIT:
679	break;	829	break;
680		830
681	default:	831	default:
682	req->result = ENOSYS;	832	req->result = ENOSYS;
683	break;	833	break;
684	}	834	}
685		835
686	req->errorno = errno;	836	req->errorno = errno;
687		837
688	pthread_mutex_lock (&reslock);	838	pthread_mutex_lock (&reslock);
689		839
…		…
743		893
744	while (reqs)	894	while (reqs)
745	{	895	{
746	prv = reqs;	896	prv = reqs;
747	reqs = prv->next;	897	reqs = prv->next;
748	free_req (prv);	898	req_free (prv);
749	}	899	}
750		900
751	reqs = reqe = 0;	901	reqs = reqe = 0;
752		902
753	while (ress)	903	while (ress)
754	{	904	{
755	prv = ress;	905	prv = ress;
756	ress = prv->next;	906	ress = prv->next;
757	free_req (prv);	907	req_free (prv);
758	}	908	}
759		909
760	ress = rese = 0;	910	ress = rese = 0;
761		911
762	close (respipe [0]);	912	close (respipe [0]);
…		…
768		918
769	#define dREQ \	919	#define dREQ \
770	aio_req req; \	920	aio_req req; \
771	\	921	\
772	if (SvOK (callback) && !SvROK (callback)) \	922	if (SvOK (callback) && !SvROK (callback)) \
773	croak ("clalback must be undef or of reference type"); \	923	croak ("callback must be undef or of reference type"); \
774	\	924	\
775	Newz (0, req, 1, aio_cb); \	925	Newz (0, req, 1, aio_cb); \
776	if (!req) \	926	if (!req) \
777	croak ("out of memory during aio_req allocation"); \	927	croak ("out of memory during aio_req allocation"); \
778	\	928	\
779	req->callback = newSVsv (callback);	929	req->callback = newSVsv (callback)
		930
		931	#define REQ_SEND \
		932	req_send (req); \
		933	\
		934	if (GIMME_V != G_VOID) \
		935	XPUSHs (req_sv (req, AIO_REQ_KLASS));
780		936
781	MODULE = IO::AIO PACKAGE = IO::AIO	937	MODULE = IO::AIO PACKAGE = IO::AIO
782		938
783	PROTOTYPES: ENABLE	939	PROTOTYPES: ENABLE
784		940
785	BOOT:	941	BOOT:
786	{	942	{
		943	HV *stash = gv_stashpv ("IO::AIO", 1);
		944	newCONSTSUB (stash, "EXDEV", newSViv (EXDEV));
		945	newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY));
		946	newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY));
		947
787	create_pipe ();	948	create_pipe ();
788	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);	949	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);
789	}	950	}
790		951
791	void	952	void
…		…
811	SV * pathname	972	SV * pathname
812	int flags	973	int flags
813	int mode	974	int mode
814	SV * callback	975	SV * callback
815	PROTOTYPE: $$$;$	976	PROTOTYPE: $$$;$
816	CODE:	977	PPCODE:
817	{	978	{
818	dREQ;	979	dREQ;
819		980
820	req->type = REQ_OPEN;	981	req->type = REQ_OPEN;
821	req->data = newSVsv (pathname);	982	req->data = newSVsv (pathname);
822	req->dataptr = SvPVbyte_nolen (req->data);	983	req->dataptr = SvPVbyte_nolen (req->data);
823	req->fd = flags;	984	req->fd = flags;
824	req->mode = mode;	985	req->mode = mode;
825		986
826	send_req (req);	987	REQ_SEND;
827	}	988	}
828		989
829	void	990	void
830	aio_close (fh,callback=&PL_sv_undef)	991	aio_close (fh,callback=&PL_sv_undef)
831	SV * fh	992	SV * fh
…		…
833	PROTOTYPE: $;$	994	PROTOTYPE: $;$
834	ALIAS:	995	ALIAS:
835	aio_close = REQ_CLOSE	996	aio_close = REQ_CLOSE
836	aio_fsync = REQ_FSYNC	997	aio_fsync = REQ_FSYNC
837	aio_fdatasync = REQ_FDATASYNC	998	aio_fdatasync = REQ_FDATASYNC
838	CODE:	999	PPCODE:
839	{	1000	{
840	dREQ;	1001	dREQ;
841		1002
842	req->type = ix;	1003	req->type = ix;
843	req->fh = newSVsv (fh);	1004	req->fh = newSVsv (fh);
844	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));	1005	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));
845		1006
846	send_req (req);	1007	REQ_SEND (req);
847	}	1008	}
848		1009
849	void	1010	void
850	aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef)	1011	aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef)
851	SV * fh	1012	SV * fh
…		…
856	SV * callback	1017	SV * callback
857	ALIAS:	1018	ALIAS:
858	aio_read = REQ_READ	1019	aio_read = REQ_READ
859	aio_write = REQ_WRITE	1020	aio_write = REQ_WRITE
860	PROTOTYPE: $$$$$;$	1021	PROTOTYPE: $$$$$;$
861	CODE:	1022	PPCODE:
862	{	1023	{
863	aio_req req;	1024	aio_req req;
864	STRLEN svlen;	1025	STRLEN svlen;
865	char *svptr = SvPVbyte (data, svlen);	1026	char *svptr = SvPVbyte (data, svlen);
866		1027
…		…
904	{	1065	{
905	SvREADONLY_on (data);	1066	SvREADONLY_on (data);
906	req->data2ptr = (void *)data;	1067	req->data2ptr = (void *)data;
907	}	1068	}
908		1069
909	send_req (req);	1070	REQ_SEND;
910	}	1071	}
911	}	1072	}
912		1073
913	void	1074	void
914	aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef)	1075	aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef)
…		…
916	SV * in_fh	1077	SV * in_fh
917	UV in_offset	1078	UV in_offset
918	UV length	1079	UV length
919	SV * callback	1080	SV * callback
920	PROTOTYPE: $$$$;$	1081	PROTOTYPE: $$$$;$
921	CODE:	1082	PPCODE:
922	{	1083	{
923	dREQ;	1084	dREQ;
924		1085
925	req->type = REQ_SENDFILE;	1086	req->type = REQ_SENDFILE;
926	req->fh = newSVsv (out_fh);	1087	req->fh = newSVsv (out_fh);
…		…
928	req->fh2 = newSVsv (in_fh);	1089	req->fh2 = newSVsv (in_fh);
929	req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));	1090	req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));
930	req->offset = in_offset;	1091	req->offset = in_offset;
931	req->length = length;	1092	req->length = length;
932		1093
933	send_req (req);	1094	REQ_SEND;
934	}	1095	}
935		1096
936	void	1097	void
937	aio_readahead (fh,offset,length,callback=&PL_sv_undef)	1098	aio_readahead (fh,offset,length,callback=&PL_sv_undef)
938	SV * fh	1099	SV * fh
939	UV offset	1100	UV offset
940	IV length	1101	IV length
941	SV * callback	1102	SV * callback
942	PROTOTYPE: $$$;$	1103	PROTOTYPE: $$$;$
943	CODE:	1104	PPCODE:
944	{	1105	{
945	dREQ;	1106	dREQ;
946		1107
947	req->type = REQ_READAHEAD;	1108	req->type = REQ_READAHEAD;
948	req->fh = newSVsv (fh);	1109	req->fh = newSVsv (fh);
949	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));	1110	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));
950	req->offset = offset;	1111	req->offset = offset;
951	req->length = length;	1112	req->length = length;
952		1113
953	send_req (req);	1114	REQ_SEND;
954	}	1115	}
955		1116
956	void	1117	void
957	aio_stat (fh_or_path,callback=&PL_sv_undef)	1118	aio_stat (fh_or_path,callback=&PL_sv_undef)
958	SV * fh_or_path	1119	SV * fh_or_path
959	SV * callback	1120	SV * callback
960	ALIAS:	1121	ALIAS:
961	aio_stat = REQ_STAT	1122	aio_stat = REQ_STAT
962	aio_lstat = REQ_LSTAT	1123	aio_lstat = REQ_LSTAT
963	CODE:	1124	PPCODE:
964	{	1125	{
965	dREQ;	1126	dREQ;
966		1127
967	New (0, req->statdata, 1, Stat_t);	1128	New (0, req->statdata, 1, Stat_t);
968	if (!req->statdata)	1129	if (!req->statdata)
969	{	1130	{
970	free_req (req);	1131	req_free (req);
971	croak ("out of memory during aio_req->statdata allocation");	1132	croak ("out of memory during aio_req->statdata allocation");
972	}	1133	}
973		1134
974	if (SvPOK (fh_or_path))	1135	if (SvPOK (fh_or_path))
975	{	1136	{
…		…
982	req->type = REQ_FSTAT;	1143	req->type = REQ_FSTAT;
983	req->fh = newSVsv (fh_or_path);	1144	req->fh = newSVsv (fh_or_path);
984	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	1145	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
985	}	1146	}
986		1147
987	send_req (req);	1148	REQ_SEND;
988	}	1149	}
989		1150
990	void	1151	void
991	aio_unlink (pathname,callback=&PL_sv_undef)	1152	aio_unlink (pathname,callback=&PL_sv_undef)
992	SV * pathname	1153	SV * pathname
993	SV * callback	1154	SV * callback
994	ALIAS:	1155	ALIAS:
995	aio_unlink = REQ_UNLINK	1156	aio_unlink = REQ_UNLINK
996	aio_rmdir = REQ_RMDIR	1157	aio_rmdir = REQ_RMDIR
997	aio_readdir = REQ_READDIR	1158	aio_readdir = REQ_READDIR
998	CODE:	1159	PPCODE:
999	{	1160	{
1000	dREQ;	1161	dREQ;
1001		1162
1002	req->type = ix;	1163	req->type = ix;
1003	req->data = newSVsv (pathname);	1164	req->data = newSVsv (pathname);
1004	req->dataptr = SvPVbyte_nolen (req->data);	1165	req->dataptr = SvPVbyte_nolen (req->data);
1005		1166
1006	send_req (req);	1167	REQ_SEND;
1007	}	1168	}
1008		1169
1009	void	1170	void
1010	aio_link (oldpath,newpath,callback=&PL_sv_undef)	1171	aio_link (oldpath,newpath,callback=&PL_sv_undef)
1011	SV * oldpath	1172	SV * oldpath
…		…
1013	SV * callback	1174	SV * callback
1014	ALIAS:	1175	ALIAS:
1015	aio_link = REQ_LINK	1176	aio_link = REQ_LINK
1016	aio_symlink = REQ_SYMLINK	1177	aio_symlink = REQ_SYMLINK
1017	aio_rename = REQ_RENAME	1178	aio_rename = REQ_RENAME
1018	CODE:	1179	PPCODE:
1019	{	1180	{
1020	dREQ;	1181	dREQ;
1021		1182
1022	req->type = ix;	1183	req->type = ix;
1023	req->fh = newSVsv (oldpath);	1184	req->fh = newSVsv (oldpath);
1024	req->data2ptr = SvPVbyte_nolen (req->fh);	1185	req->data2ptr = SvPVbyte_nolen (req->fh);
1025	req->data = newSVsv (newpath);	1186	req->data = newSVsv (newpath);
1026	req->dataptr = SvPVbyte_nolen (req->data);	1187	req->dataptr = SvPVbyte_nolen (req->data);
1027		1188
1028	send_req (req);	1189	REQ_SEND;
		1190	}
		1191
		1192	void
		1193	aio_sleep (delay,callback=&PL_sv_undef)
		1194	double delay
		1195	SV * callback
		1196	PPCODE:
		1197	{
		1198	dREQ;
		1199
		1200	req->type = REQ_SLEEP;
		1201	req->fd = delay < 0. ? 0 : delay;
		1202	req->fd2 = delay < 0. ? 0 : 1000. * (delay - req->fd);
		1203
		1204	REQ_SEND;
		1205	}
		1206
		1207	void
		1208	aio_group (callback=&PL_sv_undef)
		1209	SV * callback
		1210	PROTOTYPE: ;$
		1211	PPCODE:
		1212	{
		1213	dREQ;
		1214	req->type = REQ_GROUP;
		1215	req_send (req);
		1216	XPUSHs (req_sv (req, AIO_GRP_KLASS));
		1217	}
		1218
		1219	void
		1220	aio_nop (callback=&PL_sv_undef)
		1221	SV * callback
		1222	PPCODE:
		1223	{
		1224	dREQ;
		1225
		1226	req->type = REQ_NOP;
		1227
		1228	REQ_SEND;
1029	}	1229	}
1030		1230
1031	void	1231	void
1032	flush ()	1232	flush ()
1033	PROTOTYPE:	1233	PROTOTYPE:
…		…
1077	CODE:	1277	CODE:
1078	RETVAL = nreqs;	1278	RETVAL = nreqs;
1079	OUTPUT:	1279	OUTPUT:
1080	RETVAL	1280	RETVAL
1081		1281
		1282	PROTOTYPES: DISABLE
		1283
		1284	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
		1285
		1286	void
		1287	cancel (aio_req_ornot req)
		1288	PROTOTYPE:
		1289	CODE:
		1290	req_cancel (req);
		1291
		1292	void
		1293	cb (aio_req req, SV *callback=&PL_sv_undef)
		1294	CODE:
		1295	SvREFCNT_dec (req->callback);
		1296	req->callback = newSVsv (callback);
		1297
		1298	MODULE = IO::AIO PACKAGE = IO::AIO::GRP
		1299
		1300	void
		1301	add (aio_req grp, ...)
		1302	PPCODE:
		1303	{
		1304	int i;
		1305	aio_req req;
		1306
		1307	if (grp->fd == 2)
		1308	croak ("cannot add requests to IO::AIO::GRP after the group finished");
		1309
		1310	for (i = 1; i < items; ++i )
		1311	{
		1312	if (GIMME_V != G_VOID)
		1313	XPUSHs (sv_2mortal (newSVsv (ST (i))));
		1314
		1315	req = SvAIO_REQ (ST (i));
		1316
		1317	if (req)
		1318	{
		1319	++grp->length;
		1320	req->grp = grp;
		1321
		1322	req->grp_prev = 0;
		1323	req->grp_next = grp->grp_first;
		1324
		1325	if (grp->grp_first)
		1326	grp->grp_first->grp_prev = req;
		1327
		1328	grp->grp_first = req;
		1329	}
		1330	}
		1331	}
		1332
		1333	void
		1334	result (aio_req grp, ...)
		1335	CODE:
		1336	{
		1337	int i;
		1338	AV *av = newAV ();
		1339
		1340	for (i = 1; i < items; ++i )
		1341	av_push (av, newSVsv (ST (i)));
		1342
		1343	SvREFCNT_dec (grp->data);
		1344	grp->data = (SV *)av;
		1345	}
		1346
		1347	void
		1348	feed_limit (aio_req grp, int limit)
		1349	CODE:
		1350	grp->fd2 = limit;
		1351	aio_grp_feed (grp);
		1352
		1353	void
		1354	feed (aio_req grp, SV *callback=&PL_sv_undef)
		1355	CODE:
		1356	{
		1357	SvREFCNT_dec (grp->fh2);
		1358	grp->fh2 = newSVsv (callback);
		1359
		1360	if (grp->fd2 <= 0)
		1361	grp->fd2 = 2;
		1362
		1363	aio_grp_feed (grp);
		1364	}
		1365

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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 1.56 by root, Mon Oct 23 14:49:51 2006 UTC

Diff Legend

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.40 by root, Sat Jun 24 16:27:02 2006 UTC vs.
Revision 1.56 by root, Mon Oct 23 14:49:51 2006 UTC