[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 1.58 by root, Mon Oct 23 18:48:08 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 pri;
71	SV data, callback;	89	unsigned char flags;
72	SV fh, fh2;
73	void dataptr, data2ptr;
74	STRLEN dataoffset;
75
76	Stat_t *statdata;
77	} aio_cb;	90	} aio_cb;
78		91
		92	enum {
		93	FLAG_CANCELLED = 0x01,
		94	};
		95
79	typedef aio_cb *aio_req;	96	typedef aio_cb *aio_req;
		97	typedef aio_cb *aio_req_ornot;
80		98
81	static int started, wanted;	99	static int started, wanted;
82	static volatile int nreqs;	100	static volatile int nreqs;
83	static int max_outstanding = 1<<30;	101	static int max_outstanding = 1<<30;
84	static int respipe [2];	102	static int respipe [2];
…		…
88	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;	106	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;
89		107
90	static volatile aio_req reqs, reqe; /* queue start, queue end */	108	static volatile aio_req reqs, reqe; /* queue start, queue end */
91	static volatile aio_req ress, rese; /* queue start, queue end */	109	static volatile aio_req ress, rese; /* queue start, queue end */
92		110
		111	static void req_invoke (aio_req req);
93	static void free_req (aio_req req)	112	static void req_free (aio_req req);
94	{
95	if (req->data)
96	SvREFCNT_dec (req->data);
97		113
		114	/* must be called at most once */
		115	static SV req_sv (aio_req req, const char klass)
		116	{
98	if (req->fh)	117	if (!req->self)
99	SvREFCNT_dec (req->fh);	118	{
		119	req->self = (SV *)newHV ();
		120	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
		121	}
100		122
101	if (req->fh2)	123	return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1)));
		124	}
		125
		126	static aio_req SvAIO_REQ (SV *sv)
		127	{
		128	MAGIC *mg;
		129
		130	if (!sv_derived_from (sv, AIO_REQ_KLASS) \|\| !SvROK (sv))
		131	croak ("object of class " AIO_REQ_KLASS " expected");
		132
		133	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
		134
		135	return mg ? (aio_req)mg->mg_ptr : 0;
		136	}
		137
		138	static void aio_grp_feed (aio_req grp)
		139	{
		140	while (grp->length < grp->fd2 && !(grp->flags & FLAG_CANCELLED))
		141	{
		142	int old_len = grp->length;
		143
		144	if (grp->fh2 && SvOK (grp->fh2))
		145	{
		146	dSP;
		147
		148	ENTER;
		149	SAVETMPS;
		150	PUSHMARK (SP);
		151	XPUSHs (req_sv (grp, AIO_GRP_KLASS));
		152	PUTBACK;
		153	call_sv (grp->fh2, G_VOID \| G_EVAL);
		154	SPAGAIN;
		155	FREETMPS;
		156	LEAVE;
		157	}
		158
		159	/* stop if no progress has been made */
		160	if (old_len == grp->length)
		161	{
102	SvREFCNT_dec (req->fh2);	162	SvREFCNT_dec (grp->fh2);
103		163	grp->fh2 = 0;
104	if (req->statdata)	164	break;
105	Safefree (req->statdata);	165	}
106		166	}
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	}	167	}
115		168
116	static void	169	static void aio_grp_dec (aio_req grp)
117	poll_wait ()	170	{
		171	--grp->length;
		172
		173	/* call feeder, if applicable */
		174	aio_grp_feed (grp);
		175
		176	/* finish, if done */
		177	if (!grp->length && grp->fd)
		178	{
		179	req_invoke (grp);
		180	req_free (grp);
		181	}
		182	}
		183
		184	static void poll_wait ()
118	{	185	{
119	if (nreqs && !ress)	186	if (nreqs && !ress)
120	{	187	{
121	fd_set rfd;	188	fd_set rfd;
122	FD_ZERO(&rfd);	189	FD_ZERO(&rfd);
…		…
124		191
125	select (respipe [0] + 1, &rfd, 0, 0, 0);	192	select (respipe [0] + 1, &rfd, 0, 0, 0);
126	}	193	}
127	}	194	}
128		195
129	static int	196	static void req_invoke (aio_req req)
130	poll_cb ()	197	{
		198	dSP;
		199	int errorno = errno;
		200
		201	if (req->flags & FLAG_CANCELLED \|\| !SvOK (req->callback))
		202	return;
		203
		204	errno = req->errorno;
		205
		206	ENTER;
		207	SAVETMPS;
		208	PUSHMARK (SP);
		209	EXTEND (SP, 1);
		210
		211	switch (req->type)
		212	{
		213	case REQ_READDIR:
		214	{
		215	SV *rv = &PL_sv_undef;
		216
		217	if (req->result >= 0)
		218	{
		219	char *buf = req->data2ptr;
		220	AV *av = newAV ();
		221
		222	while (req->result)
		223	{
		224	SV *sv = newSVpv (buf, 0);
		225
		226	av_push (av, sv);
		227	buf += SvCUR (sv) + 1;
		228	req->result--;
		229	}
		230
		231	rv = sv_2mortal (newRV_noinc ((SV *)av));
		232	}
		233
		234	PUSHs (rv);
		235	}
		236	break;
		237
		238	case REQ_OPEN:
		239	{
		240	/* convert fd to fh */
		241	SV *fh;
		242
		243	PUSHs (sv_2mortal (newSViv (req->result)));
		244	PUTBACK;
		245	call_pv ("IO::AIO::_fd2fh", G_SCALAR \| G_EVAL);
		246	SPAGAIN;
		247
		248	fh = SvREFCNT_inc (POPs);
		249
		250	PUSHMARK (SP);
		251	XPUSHs (sv_2mortal (fh));
		252	}
		253	break;
		254
		255	case REQ_GROUP:
		256	req->fd = 2; /* mark group as finished */
		257
		258	if (req->data)
		259	{
		260	int i;
		261	AV av = (AV )req->data;
		262
		263	EXTEND (SP, AvFILL (av) + 1);
		264	for (i = 0; i <= AvFILL (av); ++i)
		265	PUSHs (*av_fetch (av, i, 0));
		266	}
		267	break;
		268
		269	case REQ_NOP:
		270	case REQ_SLEEP:
		271	break;
		272
		273	default:
		274	PUSHs (sv_2mortal (newSViv (req->result)));
		275	break;
		276	}
		277
		278
		279	PUTBACK;
		280	call_sv (req->callback, G_VOID \| G_EVAL);
		281	SPAGAIN;
		282
		283	FREETMPS;
		284	LEAVE;
		285
		286	errno = errorno;
		287
		288	if (SvTRUE (ERRSV))
		289	{
		290	req_free (req);
		291	croak (0);
		292	}
		293	}
		294
		295	static void req_free (aio_req req)
		296	{
		297	if (req->grp)
		298	{
		299	aio_req grp = req->grp;
		300
		301	/* unlink request */
		302	if (req->grp_next) req->grp_next->grp_prev = req->grp_prev;
		303	if (req->grp_prev) req->grp_prev->grp_next = req->grp_next;
		304
		305	if (grp->grp_first == req)
		306	grp->grp_first = req->grp_next;
		307
		308	aio_grp_dec (grp);
		309	}
		310
		311	if (req->self)
		312	{
		313	sv_unmagic (req->self, PERL_MAGIC_ext);
		314	SvREFCNT_dec (req->self);
		315	}
		316
		317	SvREFCNT_dec (req->data);
		318	SvREFCNT_dec (req->fh);
		319	SvREFCNT_dec (req->fh2);
		320	SvREFCNT_dec (req->callback);
		321	Safefree (req->statdata);
		322
		323	if (req->type == REQ_READDIR && req->result >= 0)
		324	free (req->data2ptr);
		325
		326	Safefree (req);
		327	}
		328
		329	static void req_cancel (aio_req req)
		330	{
		331	req->flags \|= FLAG_CANCELLED;
		332
		333	if (req->type == REQ_GROUP)
		334	{
		335	aio_req sub;
		336
		337	for (sub = req->grp_first; sub; sub = sub->grp_next)
		338	req_cancel (sub);
		339	}
		340	}
		341
		342	static int poll_cb ()
131	{	343	{
132	dSP;	344	dSP;
133	int count = 0;	345	int count = 0;
134	int do_croak = 0;	346	int do_croak = 0;
135	aio_req req;	347	aio_req req;
…		…
157	pthread_mutex_unlock (&reslock);	369	pthread_mutex_unlock (&reslock);
158		370
159	if (!req)	371	if (!req)
160	break;	372	break;
161		373
162	nreqs--;	374	--nreqs;
163		375
164	if (req->type == REQ_QUIT)	376	if (req->type == REQ_QUIT)
165	started--;	377	started--;
		378	else if (req->type == REQ_GROUP && req->length)
		379	{
		380	req->fd = 1; /* mark request as delayed */
		381	continue;
		382	}
166	else	383	else
167	{	384	{
168	int errorno = errno;
169	errno = req->errorno;
170
171	if (req->type == REQ_READ)	385	if (req->type == REQ_READ)
172	SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0));	386	SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0));
173		387
174	if (req->data2ptr && (req->type == REQ_READ \|\| req->type == REQ_WRITE))	388	if (req->data2ptr && (req->type == REQ_READ \|\| req->type == REQ_WRITE))
175	SvREADONLY_off (req->data);	389	SvREADONLY_off (req->data);
…		…
179	PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT;	393	PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT;
180	PL_laststatval = req->result;	394	PL_laststatval = req->result;
181	PL_statcache = *(req->statdata);	395	PL_statcache = *(req->statdata);
182	}	396	}
183		397
184	ENTER;	398	req_invoke (req);
185	PUSHMARK (SP);
186		399
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++;	400	count++;
247	}	401	}
248		402
249	free_req (req);	403	req_free (req);
250	}	404	}
251		405
252	return count;	406	return count;
253	}	407	}
254		408
255	static void aio_proc(void arg);	409	static void aio_proc(void arg);
256		410
257	static void
258	start_thread (void)	411	static void start_thread (void)
259	{	412	{
260	sigset_t fullsigset, oldsigset;	413	sigset_t fullsigset, oldsigset;
261	pthread_t tid;	414	pthread_t tid;
262	pthread_attr_t attr;	415	pthread_attr_t attr;
263		416
…		…
272	started++;	425	started++;
273		426
274	sigprocmask (SIG_SETMASK, &oldsigset, 0);	427	sigprocmask (SIG_SETMASK, &oldsigset, 0);
275	}	428	}
276		429
277	static void	430	static void req_send (aio_req req)
278	send_req (aio_req req)
279	{	431	{
280	while (started < wanted && nreqs >= started)	432	while (started < wanted && nreqs >= started)
281	start_thread ();	433	start_thread ();
282		434
283	nreqs++;	435	++nreqs;
284		436
285	pthread_mutex_lock (&reqlock);	437	pthread_mutex_lock (&reqlock);
286		438
287	req->next = 0;	439	req->next = 0;
288		440
…		…
307		459
308	poll_wait ();	460	poll_wait ();
309	}	461	}
310	}	462	}
311		463
312	static void	464	static void end_thread (void)
313	end_thread (void)
314	{	465	{
315	aio_req req;	466	aio_req req;
316	Newz (0, req, 1, aio_cb);	467	Newz (0, req, 1, aio_cb);
317	req->type = REQ_QUIT;	468	req->type = REQ_QUIT;
318		469
319	send_req (req);	470	req_send (req);
320	}	471	}
321		472
322	static void min_parallel (int nthreads)	473	static void min_parallel (int nthreads)
323	{	474	{
324	if (wanted < nthreads)	475	if (wanted < nthreads)
…		…
369	* normal read/write by using a mutex. slows down execution a lot,	520	* normal read/write by using a mutex. slows down execution a lot,
370	* but that's your problem, not mine.	521	* but that's your problem, not mine.
371	*/	522	*/
372	static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER;	523	static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER;
373		524
374	static ssize_t	525	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	{	526	{
377	ssize_t res;	527	ssize_t res;
378	off_t ooffset;	528	off_t ooffset;
379		529
380	pthread_mutex_lock (&preadwritelock);	530	pthread_mutex_lock (&preadwritelock);
…		…
385	pthread_mutex_unlock (&preadwritelock);	535	pthread_mutex_unlock (&preadwritelock);
386		536
387	return res;	537	return res;
388	}	538	}
389		539
390	static ssize_t
391	pwrite (int fd, void *buf, size_t count, off_t offset)	540	static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset)
392	{	541	{
393	ssize_t res;	542	ssize_t res;
394	off_t ooffset;	543	off_t ooffset;
395		544
396	pthread_mutex_lock (&preadwritelock);	545	pthread_mutex_lock (&preadwritelock);
…		…
409	#endif	558	#endif
410		559
411	#if !HAVE_READAHEAD	560	#if !HAVE_READAHEAD
412	# define readahead aio_readahead	561	# define readahead aio_readahead
413		562
414	static ssize_t
415	readahead (int fd, off_t offset, size_t count)	563	static ssize_t readahead (int fd, off_t offset, size_t count)
416	{	564	{
417	char readahead_buf[4096];	565	char readahead_buf[4096];
418		566
419	while (count > 0)	567	while (count > 0)
420	{	568	{
…		…
432	#if !HAVE_READDIR_R	580	#if !HAVE_READDIR_R
433	# define readdir_r aio_readdir_r	581	# define readdir_r aio_readdir_r
434		582
435	static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER;	583	static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER;
436		584
437	static int
438	readdir_r (DIR dirp, struct dirent ent, struct dirent **res)	585	static int readdir_r (DIR dirp, struct dirent ent, struct dirent **res)
439	{	586	{
440	struct dirent *e;	587	struct dirent *e;
441	int errorno;	588	int errorno;
442		589
443	pthread_mutex_lock (&readdirlock);	590	pthread_mutex_lock (&readdirlock);
…		…
459	return e ? 0 : -1;	606	return e ? 0 : -1;
460	}	607	}
461	#endif	608	#endif
462		609
463	/* sendfile always needs emulation */	610	/* sendfile always needs emulation */
464	static ssize_t
465	sendfile_ (int ofd, int ifd, off_t offset, size_t count)	611	static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count)
466	{	612	{
467	ssize_t res;	613	ssize_t res;
468		614
469	if (!count)	615	if (!count)
470	return 0;	616	return 0;
…		…
552		698
553	return res;	699	return res;
554	}	700	}
555		701
556	/* read a full directory */	702	/* read a full directory */
557	static int
558	scandir_ (const char path, void *namesp)	703	static int scandir_ (const char path, void *namesp)
559	{	704	{
560	DIR *dirp = opendir (path);	705	DIR *dirp = opendir (path);
561	union	706	union
562	{	707	{
563	struct dirent d;	708	struct dirent d;
…		…
617	return res;	762	return res;
618	}	763	}
619		764
620	/*****************************************************************************/	765	/*****************************************************************************/
621		766
622	static void *
623	aio_proc (void *thr_arg)	767	static void aio_proc (void thr_arg)
624	{	768	{
625	aio_req req;	769	aio_req req;
626	int type;	770	int type;
627		771
628	do	772	do
…		…
647		791
648	pthread_mutex_unlock (&reqlock);	792	pthread_mutex_unlock (&reqlock);
649		793
650	errno = 0; /* strictly unnecessary */	794	errno = 0; /* strictly unnecessary */
651		795
652	type = req->type;	796	if (!(req->flags & FLAG_CANCELLED))
653		797	switch (type = req->type) /* remember type for QUIT check */
654	switch (type)
655	{	798	{
656	case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break;	799	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;	800	case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break;
658		801
659	case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break;	802	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;	803	case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length); break;
661		804
662	case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break;	805	case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break;
663	case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break;	806	case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break;
664	case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break;	807	case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break;
665		808
666	case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break;	809	case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break;
667	case REQ_CLOSE: req->result = close (req->fd); break;	810	case REQ_CLOSE: req->result = close (req->fd); break;
668	case REQ_UNLINK: req->result = unlink (req->dataptr); break;	811	case REQ_UNLINK: req->result = unlink (req->dataptr); break;
669	case REQ_RMDIR: req->result = rmdir (req->dataptr); break;	812	case REQ_RMDIR: req->result = rmdir (req->dataptr); break;
670	case REQ_RENAME: req->result = rename (req->data2ptr, req->dataptr); break;	813	case REQ_RENAME: req->result = rename (req->data2ptr, req->dataptr); break;
671	case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break;	814	case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break;
672	case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break;	815	case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break;
673		816
674	case REQ_FDATASYNC: req->result = fdatasync (req->fd); break;	817	case REQ_FDATASYNC: req->result = fdatasync (req->fd); break;
675	case REQ_FSYNC: req->result = fsync (req->fd); break;	818	case REQ_FSYNC: req->result = fsync (req->fd); break;
676	case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break;	819	case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break;
677		820
		821	case REQ_SLEEP:
		822	{
		823	struct timeval tv;
		824
		825	tv.tv_sec = req->fd;
		826	tv.tv_usec = req->fd2;
		827
		828	req->result = select (0, 0, 0, 0, &tv);
		829	}
		830
		831	case REQ_GROUP:
		832	case REQ_NOP:
678	case REQ_QUIT:	833	case REQ_QUIT:
679	break;	834	break;
680		835
681	default:	836	default:
682	req->result = ENOSYS;	837	req->result = ENOSYS;
683	break;	838	break;
684	}	839	}
685		840
686	req->errorno = errno;	841	req->errorno = errno;
687		842
688	pthread_mutex_lock (&reslock);	843	pthread_mutex_lock (&reslock);
689		844
…		…
743		898
744	while (reqs)	899	while (reqs)
745	{	900	{
746	prv = reqs;	901	prv = reqs;
747	reqs = prv->next;	902	reqs = prv->next;
748	free_req (prv);	903	req_free (prv);
749	}	904	}
750		905
751	reqs = reqe = 0;	906	reqs = reqe = 0;
752		907
753	while (ress)	908	while (ress)
754	{	909	{
755	prv = ress;	910	prv = ress;
756	ress = prv->next;	911	ress = prv->next;
757	free_req (prv);	912	req_free (prv);
758	}	913	}
759		914
760	ress = rese = 0;	915	ress = rese = 0;
761		916
762	close (respipe [0]);	917	close (respipe [0]);
…		…
768		923
769	#define dREQ \	924	#define dREQ \
770	aio_req req; \	925	aio_req req; \
771	\	926	\
772	if (SvOK (callback) && !SvROK (callback)) \	927	if (SvOK (callback) && !SvROK (callback)) \
773	croak ("clalback must be undef or of reference type"); \	928	croak ("callback must be undef or of reference type"); \
774	\	929	\
775	Newz (0, req, 1, aio_cb); \	930	Newz (0, req, 1, aio_cb); \
776	if (!req) \	931	if (!req) \
777	croak ("out of memory during aio_req allocation"); \	932	croak ("out of memory during aio_req allocation"); \
778	\	933	\
779	req->callback = newSVsv (callback);	934	req->callback = newSVsv (callback)
		935
		936	#define REQ_SEND \
		937	req_send (req); \
		938	\
		939	if (GIMME_V != G_VOID) \
		940	XPUSHs (req_sv (req, AIO_REQ_KLASS));
780		941
781	MODULE = IO::AIO PACKAGE = IO::AIO	942	MODULE = IO::AIO PACKAGE = IO::AIO
782		943
783	PROTOTYPES: ENABLE	944	PROTOTYPES: ENABLE
784		945
785	BOOT:	946	BOOT:
786	{	947	{
		948	HV *stash = gv_stashpv ("IO::AIO", 1);
		949	newCONSTSUB (stash, "EXDEV", newSViv (EXDEV));
		950	newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY));
		951	newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY));
		952
787	create_pipe ();	953	create_pipe ();
788	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);	954	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);
789	}	955	}
790		956
791	void	957	void
…		…
811	SV * pathname	977	SV * pathname
812	int flags	978	int flags
813	int mode	979	int mode
814	SV * callback	980	SV * callback
815	PROTOTYPE: $$$;$	981	PROTOTYPE: $$$;$
816	CODE:	982	PPCODE:
817	{	983	{
818	dREQ;	984	dREQ;
819		985
820	req->type = REQ_OPEN;	986	req->type = REQ_OPEN;
821	req->data = newSVsv (pathname);	987	req->data = newSVsv (pathname);
822	req->dataptr = SvPVbyte_nolen (req->data);	988	req->dataptr = SvPVbyte_nolen (req->data);
823	req->fd = flags;	989	req->fd = flags;
824	req->mode = mode;	990	req->mode = mode;
825		991
826	send_req (req);	992	REQ_SEND;
827	}	993	}
828		994
829	void	995	void
830	aio_close (fh,callback=&PL_sv_undef)	996	aio_close (fh,callback=&PL_sv_undef)
831	SV * fh	997	SV * fh
…		…
833	PROTOTYPE: $;$	999	PROTOTYPE: $;$
834	ALIAS:	1000	ALIAS:
835	aio_close = REQ_CLOSE	1001	aio_close = REQ_CLOSE
836	aio_fsync = REQ_FSYNC	1002	aio_fsync = REQ_FSYNC
837	aio_fdatasync = REQ_FDATASYNC	1003	aio_fdatasync = REQ_FDATASYNC
838	CODE:	1004	PPCODE:
839	{	1005	{
840	dREQ;	1006	dREQ;
841		1007
842	req->type = ix;	1008	req->type = ix;
843	req->fh = newSVsv (fh);	1009	req->fh = newSVsv (fh);
844	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));	1010	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));
845		1011
846	send_req (req);	1012	REQ_SEND (req);
847	}	1013	}
848		1014
849	void	1015	void
850	aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef)	1016	aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef)
851	SV * fh	1017	SV * fh
…		…
856	SV * callback	1022	SV * callback
857	ALIAS:	1023	ALIAS:
858	aio_read = REQ_READ	1024	aio_read = REQ_READ
859	aio_write = REQ_WRITE	1025	aio_write = REQ_WRITE
860	PROTOTYPE: $$$$$;$	1026	PROTOTYPE: $$$$$;$
861	CODE:	1027	PPCODE:
862	{	1028	{
863	aio_req req;	1029	aio_req req;
864	STRLEN svlen;	1030	STRLEN svlen;
865	char *svptr = SvPVbyte (data, svlen);	1031	char *svptr = SvPVbyte (data, svlen);
866		1032
…		…
904	{	1070	{
905	SvREADONLY_on (data);	1071	SvREADONLY_on (data);
906	req->data2ptr = (void *)data;	1072	req->data2ptr = (void *)data;
907	}	1073	}
908		1074
909	send_req (req);	1075	REQ_SEND;
910	}	1076	}
911	}	1077	}
912		1078
913	void	1079	void
914	aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef)	1080	aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef)
…		…
916	SV * in_fh	1082	SV * in_fh
917	UV in_offset	1083	UV in_offset
918	UV length	1084	UV length
919	SV * callback	1085	SV * callback
920	PROTOTYPE: $$$$;$	1086	PROTOTYPE: $$$$;$
921	CODE:	1087	PPCODE:
922	{	1088	{
923	dREQ;	1089	dREQ;
924		1090
925	req->type = REQ_SENDFILE;	1091	req->type = REQ_SENDFILE;
926	req->fh = newSVsv (out_fh);	1092	req->fh = newSVsv (out_fh);
…		…
928	req->fh2 = newSVsv (in_fh);	1094	req->fh2 = newSVsv (in_fh);
929	req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));	1095	req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));
930	req->offset = in_offset;	1096	req->offset = in_offset;
931	req->length = length;	1097	req->length = length;
932		1098
933	send_req (req);	1099	REQ_SEND;
934	}	1100	}
935		1101
936	void	1102	void
937	aio_readahead (fh,offset,length,callback=&PL_sv_undef)	1103	aio_readahead (fh,offset,length,callback=&PL_sv_undef)
938	SV * fh	1104	SV * fh
939	UV offset	1105	UV offset
940	IV length	1106	IV length
941	SV * callback	1107	SV * callback
942	PROTOTYPE: $$$;$	1108	PROTOTYPE: $$$;$
943	CODE:	1109	PPCODE:
944	{	1110	{
945	dREQ;	1111	dREQ;
946		1112
947	req->type = REQ_READAHEAD;	1113	req->type = REQ_READAHEAD;
948	req->fh = newSVsv (fh);	1114	req->fh = newSVsv (fh);
949	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));	1115	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));
950	req->offset = offset;	1116	req->offset = offset;
951	req->length = length;	1117	req->length = length;
952		1118
953	send_req (req);	1119	REQ_SEND;
954	}	1120	}
955		1121
956	void	1122	void
957	aio_stat (fh_or_path,callback=&PL_sv_undef)	1123	aio_stat (fh_or_path,callback=&PL_sv_undef)
958	SV * fh_or_path	1124	SV * fh_or_path
959	SV * callback	1125	SV * callback
960	ALIAS:	1126	ALIAS:
961	aio_stat = REQ_STAT	1127	aio_stat = REQ_STAT
962	aio_lstat = REQ_LSTAT	1128	aio_lstat = REQ_LSTAT
963	CODE:	1129	PPCODE:
964	{	1130	{
965	dREQ;	1131	dREQ;
966		1132
967	New (0, req->statdata, 1, Stat_t);	1133	New (0, req->statdata, 1, Stat_t);
968	if (!req->statdata)	1134	if (!req->statdata)
969	{	1135	{
970	free_req (req);	1136	req_free (req);
971	croak ("out of memory during aio_req->statdata allocation");	1137	croak ("out of memory during aio_req->statdata allocation");
972	}	1138	}
973		1139
974	if (SvPOK (fh_or_path))	1140	if (SvPOK (fh_or_path))
975	{	1141	{
…		…
982	req->type = REQ_FSTAT;	1148	req->type = REQ_FSTAT;
983	req->fh = newSVsv (fh_or_path);	1149	req->fh = newSVsv (fh_or_path);
984	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	1150	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
985	}	1151	}
986		1152
987	send_req (req);	1153	REQ_SEND;
988	}	1154	}
989		1155
990	void	1156	void
991	aio_unlink (pathname,callback=&PL_sv_undef)	1157	aio_unlink (pathname,callback=&PL_sv_undef)
992	SV * pathname	1158	SV * pathname
993	SV * callback	1159	SV * callback
994	ALIAS:	1160	ALIAS:
995	aio_unlink = REQ_UNLINK	1161	aio_unlink = REQ_UNLINK
996	aio_rmdir = REQ_RMDIR	1162	aio_rmdir = REQ_RMDIR
997	aio_readdir = REQ_READDIR	1163	aio_readdir = REQ_READDIR
998	CODE:	1164	PPCODE:
999	{	1165	{
1000	dREQ;	1166	dREQ;
1001		1167
1002	req->type = ix;	1168	req->type = ix;
1003	req->data = newSVsv (pathname);	1169	req->data = newSVsv (pathname);
1004	req->dataptr = SvPVbyte_nolen (req->data);	1170	req->dataptr = SvPVbyte_nolen (req->data);
1005		1171
1006	send_req (req);	1172	REQ_SEND;
1007	}	1173	}
1008		1174
1009	void	1175	void
1010	aio_link (oldpath,newpath,callback=&PL_sv_undef)	1176	aio_link (oldpath,newpath,callback=&PL_sv_undef)
1011	SV * oldpath	1177	SV * oldpath
…		…
1013	SV * callback	1179	SV * callback
1014	ALIAS:	1180	ALIAS:
1015	aio_link = REQ_LINK	1181	aio_link = REQ_LINK
1016	aio_symlink = REQ_SYMLINK	1182	aio_symlink = REQ_SYMLINK
1017	aio_rename = REQ_RENAME	1183	aio_rename = REQ_RENAME
1018	CODE:	1184	PPCODE:
1019	{	1185	{
1020	dREQ;	1186	dREQ;
1021		1187
1022	req->type = ix;	1188	req->type = ix;
1023	req->fh = newSVsv (oldpath);	1189	req->fh = newSVsv (oldpath);
1024	req->data2ptr = SvPVbyte_nolen (req->fh);	1190	req->data2ptr = SvPVbyte_nolen (req->fh);
1025	req->data = newSVsv (newpath);	1191	req->data = newSVsv (newpath);
1026	req->dataptr = SvPVbyte_nolen (req->data);	1192	req->dataptr = SvPVbyte_nolen (req->data);
1027		1193
1028	send_req (req);	1194	REQ_SEND;
		1195	}
		1196
		1197	void
		1198	aio_sleep (delay,callback=&PL_sv_undef)
		1199	double delay
		1200	SV * callback
		1201	PPCODE:
		1202	{
		1203	dREQ;
		1204
		1205	req->type = REQ_SLEEP;
		1206	req->fd = delay < 0. ? 0 : delay;
		1207	req->fd2 = delay < 0. ? 0 : 1000. * (delay - req->fd);
		1208
		1209	REQ_SEND;
		1210	}
		1211
		1212	void
		1213	aio_group (callback=&PL_sv_undef)
		1214	SV * callback
		1215	PROTOTYPE: ;$
		1216	PPCODE:
		1217	{
		1218	dREQ;
		1219	req->type = REQ_GROUP;
		1220	req_send (req);
		1221	XPUSHs (req_sv (req, AIO_GRP_KLASS));
		1222	}
		1223
		1224	void
		1225	aio_nop (callback=&PL_sv_undef)
		1226	SV * callback
		1227	PPCODE:
		1228	{
		1229	dREQ;
		1230
		1231	req->type = REQ_NOP;
		1232
		1233	REQ_SEND;
1029	}	1234	}
1030		1235
1031	void	1236	void
1032	flush ()	1237	flush ()
1033	PROTOTYPE:	1238	PROTOTYPE:
…		…
1077	CODE:	1282	CODE:
1078	RETVAL = nreqs;	1283	RETVAL = nreqs;
1079	OUTPUT:	1284	OUTPUT:
1080	RETVAL	1285	RETVAL
1081		1286
		1287	PROTOTYPES: DISABLE
		1288
		1289	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
		1290
		1291	void
		1292	cancel (aio_req_ornot req)
		1293	PROTOTYPE:
		1294	CODE:
		1295	req_cancel (req);
		1296
		1297	void
		1298	cb (aio_req req, SV *callback=&PL_sv_undef)
		1299	CODE:
		1300	SvREFCNT_dec (req->callback);
		1301	req->callback = newSVsv (callback);
		1302
		1303	MODULE = IO::AIO PACKAGE = IO::AIO::GRP
		1304
		1305	void
		1306	add (aio_req grp, ...)
		1307	PPCODE:
		1308	{
		1309	int i;
		1310	aio_req req;
		1311
		1312	if (grp->fd == 2)
		1313	croak ("cannot add requests to IO::AIO::GRP after the group finished");
		1314
		1315	for (i = 1; i < items; ++i )
		1316	{
		1317	if (GIMME_V != G_VOID)
		1318	XPUSHs (sv_2mortal (newSVsv (ST (i))));
		1319
		1320	req = SvAIO_REQ (ST (i));
		1321
		1322	if (req)
		1323	{
		1324	++grp->length;
		1325	req->grp = grp;
		1326
		1327	req->grp_prev = 0;
		1328	req->grp_next = grp->grp_first;
		1329
		1330	if (grp->grp_first)
		1331	grp->grp_first->grp_prev = req;
		1332
		1333	grp->grp_first = req;
		1334	}
		1335	}
		1336	}
		1337
		1338	void
		1339	result (aio_req grp, ...)
		1340	CODE:
		1341	{
		1342	int i;
		1343	AV *av = newAV ();
		1344
		1345	for (i = 1; i < items; ++i )
		1346	av_push (av, newSVsv (ST (i)));
		1347
		1348	SvREFCNT_dec (grp->data);
		1349	grp->data = (SV *)av;
		1350	}
		1351
		1352	void
		1353	feed_limit (aio_req grp, int limit)
		1354	CODE:
		1355	grp->fd2 = limit;
		1356	aio_grp_feed (grp);
		1357
		1358	void
		1359	feed (aio_req grp, SV *callback=&PL_sv_undef)
		1360	CODE:
		1361	{
		1362	SvREFCNT_dec (grp->fh2);
		1363	grp->fh2 = newSVsv (callback);
		1364
		1365	if (grp->fd2 <= 0)
		1366	grp->fd2 = 2;
		1367
		1368	aio_grp_feed (grp);
		1369	}
		1370

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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 1.58 by root, Mon Oct 23 18:48:08 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 1.58 by root, Mon Oct 23 18:48:08 2006 UTC