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

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.37 by root, Tue Aug 23 12:37:19 2005 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>
…		…
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_GROUP, REQ_NOP,
		61	REQ_SLEEP,
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	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	{
97	SvREFCNT_dec (req->fh2);	157	SvREFCNT_dec (grp->fh2);
98		158	grp->fh2 = 0;
99	if (req->statdata)	159	break;
100	Safefree (req->statdata);	160	}
101		161	}
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	}	162	}
110		163
111	static void	164	static void aio_grp_dec (aio_req grp)
112	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 ()
113	{	180	{
114	if (nreqs && !ress)	181	if (nreqs && !ress)
115	{	182	{
116	fd_set rfd;	183	fd_set rfd;
117	FD_ZERO(&rfd);	184	FD_ZERO(&rfd);
…		…
119		186
120	select (respipe [0] + 1, &rfd, 0, 0, 0);	187	select (respipe [0] + 1, &rfd, 0, 0, 0);
121	}	188	}
122	}	189	}
123		190
124	static int	191	static void req_invoke (aio_req req)
125	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 ()
126	{	338	{
127	dSP;	339	dSP;
128	int count = 0;	340	int count = 0;
129	int do_croak = 0;	341	int do_croak = 0;
130	aio_req req;	342	aio_req req;
…		…
152	pthread_mutex_unlock (&reslock);	364	pthread_mutex_unlock (&reslock);
153		365
154	if (!req)	366	if (!req)
155	break;	367	break;
156		368
157	nreqs--;	369	--nreqs;
158		370
159	if (req->type == REQ_QUIT)	371	if (req->type == REQ_QUIT)
160	started--;	372	started--;
		373	else if (req->type == REQ_GROUP && req->length)
		374	{
		375	req->fd = 1; /* mark request as delayed */
		376	continue;
		377	}
161	else	378	else
162	{	379	{
163	int errorno = errno;
164	errno = req->errorno;
165
166	if (req->type == REQ_READ)	380	if (req->type == REQ_READ)
167	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));
168		382
169	if (req->data2ptr && (req->type == REQ_READ \|\| req->type == REQ_WRITE))	383	if (req->data2ptr && (req->type == REQ_READ \|\| req->type == REQ_WRITE))
170	SvREADONLY_off (req->data);	384	SvREADONLY_off (req->data);
…		…
174	PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT;	388	PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT;
175	PL_laststatval = req->result;	389	PL_laststatval = req->result;
176	PL_statcache = *(req->statdata);	390	PL_statcache = *(req->statdata);
177	}	391	}
178		392
179	ENTER;	393	req_invoke (req);
180	PUSHMARK (SP);
181		394
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++;	395	count++;
242	}	396	}
243		397
244	free_req (req);	398	req_free (req);
245	}	399	}
246		400
247	return count;	401	return count;
248	}	402	}
249		403
250	static void aio_proc(void arg);	404	static void aio_proc(void arg);
251		405
252	static void
253	start_thread (void)	406	static void start_thread (void)
254	{	407	{
255	sigset_t fullsigset, oldsigset;	408	sigset_t fullsigset, oldsigset;
256	pthread_t tid;	409	pthread_t tid;
257	pthread_attr_t attr;	410	pthread_attr_t attr;
258		411
…		…
267	started++;	420	started++;
268		421
269	sigprocmask (SIG_SETMASK, &oldsigset, 0);	422	sigprocmask (SIG_SETMASK, &oldsigset, 0);
270	}	423	}
271		424
272	static void	425	static void req_send (aio_req req)
273	send_req (aio_req req)
274	{	426	{
275	while (started < wanted && nreqs >= started)	427	while (started < wanted && nreqs >= started)
276	start_thread ();	428	start_thread ();
277		429
278	nreqs++;	430	++nreqs;
279		431
280	pthread_mutex_lock (&reqlock);	432	pthread_mutex_lock (&reqlock);
281		433
282	req->next = 0;	434	req->next = 0;
283		435
…		…
302		454
303	poll_wait ();	455	poll_wait ();
304	}	456	}
305	}	457	}
306		458
307	static void	459	static void end_thread (void)
308	end_thread (void)
309	{	460	{
310	aio_req req;	461	aio_req req;
311	Newz (0, req, 1, aio_cb);	462	Newz (0, req, 1, aio_cb);
312	req->type = REQ_QUIT;	463	req->type = REQ_QUIT;
313		464
314	send_req (req);	465	req_send (req);
315	}	466	}
316		467
317	static void min_parallel (int nthreads)	468	static void min_parallel (int nthreads)
318	{	469	{
319	if (wanted < nthreads)	470	if (wanted < nthreads)
…		…
364	* 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,
365	* but that's your problem, not mine.	516	* but that's your problem, not mine.
366	*/	517	*/
367	static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER;	518	static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER;
368		519
369	static ssize_t	520	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	{	521	{
372	ssize_t res;	522	ssize_t res;
373	off_t ooffset;	523	off_t ooffset;
374		524
375	pthread_mutex_lock (&preadwritelock);	525	pthread_mutex_lock (&preadwritelock);
…		…
380	pthread_mutex_unlock (&preadwritelock);	530	pthread_mutex_unlock (&preadwritelock);
381		531
382	return res;	532	return res;
383	}	533	}
384		534
385	static ssize_t
386	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)
387	{	536	{
388	ssize_t res;	537	ssize_t res;
389	off_t ooffset;	538	off_t ooffset;
390		539
391	pthread_mutex_lock (&preadwritelock);	540	pthread_mutex_lock (&preadwritelock);
…		…
404	#endif	553	#endif
405		554
406	#if !HAVE_READAHEAD	555	#if !HAVE_READAHEAD
407	# define readahead aio_readahead	556	# define readahead aio_readahead
408		557
409	static ssize_t
410	readahead (int fd, off_t offset, size_t count)	558	static ssize_t readahead (int fd, off_t offset, size_t count)
411	{	559	{
412	char readahead_buf[4096];	560	char readahead_buf[4096];
413		561
414	while (count > 0)	562	while (count > 0)
415	{	563	{
…		…
427	#if !HAVE_READDIR_R	575	#if !HAVE_READDIR_R
428	# define readdir_r aio_readdir_r	576	# define readdir_r aio_readdir_r
429		577
430	static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER;	578	static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER;
431		579
432	static int
433	readdir_r (DIR dirp, struct dirent ent, struct dirent **res)	580	static int readdir_r (DIR dirp, struct dirent ent, struct dirent **res)
434	{	581	{
435	struct dirent *e;	582	struct dirent *e;
436	int errorno;	583	int errorno;
437		584
438	pthread_mutex_lock (&readdirlock);	585	pthread_mutex_lock (&readdirlock);
…		…
454	return e ? 0 : -1;	601	return e ? 0 : -1;
455	}	602	}
456	#endif	603	#endif
457		604
458	/* sendfile always needs emulation */	605	/* sendfile always needs emulation */
459	static ssize_t
460	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)
461	{	607	{
462	ssize_t res;	608	ssize_t res;
463		609
464	if (!count)	610	if (!count)
465	return 0;	611	return 0;
…		…
499		645
500	if (res < 0 && sbytes)	646	if (res < 0 && sbytes)
501	res = sbytes;	647	res = sbytes;
502	}	648	}
503		649
		650	# endif
504	# else	651	#else
505	res = -1;	652	res = -1;
506	errno = ENOSYS;	653	errno = ENOSYS;
507	# endif
508	#endif	654	#endif
509		655
510	if (res < 0	656	if (res < 0
511	&& (errno == ENOSYS \|\| errno == EINVAL \|\| errno == ENOTSOCK	657	&& (errno == ENOSYS \|\| errno == EINVAL \|\| errno == ENOTSOCK
512	#if __solaris	658	#if __solaris
…		…
517	{	663	{
518	/* emulate sendfile. this is a major pain in the ass */	664	/* emulate sendfile. this is a major pain in the ass */
519	char buf[4096];	665	char buf[4096];
520	res = 0;	666	res = 0;
521		667
522	for (;;)	668	while (count)
523	{	669	{
524	ssize_t cnt;	670	ssize_t cnt;
525		671
526	cnt = pread (ifd, buf, 4096, offset);	672	cnt = pread (ifd, buf, count > 4096 ? 4096 : count, offset);
527		673
528	if (cnt <= 0)	674	if (cnt <= 0)
529	{	675	{
530	if (cnt && !res) res = -1;	676	if (cnt && !res) res = -1;
531	break;	677	break;
…		…
539	break;	685	break;
540	}	686	}
541		687
542	offset += cnt;	688	offset += cnt;
543	res += cnt;	689	res += cnt;
		690	count -= cnt;
544	}	691	}
545	}	692	}
546		693
547	return res;	694	return res;
548	}	695	}
549		696
550	/* read a full directory */	697	/* read a full directory */
551	static int
552	scandir_ (const char path, void *namesp)	698	static int scandir_ (const char path, void *namesp)
553	{	699	{
554	DIR *dirp = opendir (path);	700	DIR *dirp = opendir (path);
555	union	701	union
556	{	702	{
557	struct dirent d;	703	struct dirent d;
…		…
611	return res;	757	return res;
612	}	758	}
613		759
614	/*****************************************************************************/	760	/*****************************************************************************/
615		761
616	static void *
617	aio_proc (void *thr_arg)	762	static void aio_proc (void thr_arg)
618	{	763	{
619	aio_req req;	764	aio_req req;
620	int type;	765	int type;
621		766
622	do	767	do
…		…
641		786
642	pthread_mutex_unlock (&reqlock);	787	pthread_mutex_unlock (&reqlock);
643		788
644	errno = 0; /* strictly unnecessary */	789	errno = 0; /* strictly unnecessary */
645		790
646	type = req->type;	791	if (!req->cancelled)
647		792	switch (type = req->type) /* remember type for QUIT check */
648	switch (type)
649	{	793	{
650	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;
651	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;
652		796
653	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;
654	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;
655		799
656	case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break;	800	case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break;
657	case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break;	801	case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break;
658	case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break;	802	case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break;
659		803
660	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;
661	case REQ_CLOSE: req->result = close (req->fd); break;	805	case REQ_CLOSE: req->result = close (req->fd); break;
662	case REQ_UNLINK: req->result = unlink (req->dataptr); break;	806	case REQ_UNLINK: req->result = unlink (req->dataptr); break;
663	case REQ_RMDIR: req->result = rmdir (req->dataptr); break;	807	case REQ_RMDIR: req->result = rmdir (req->dataptr); break;
		808	case REQ_RENAME: req->result = rename (req->data2ptr, req->dataptr); break;
		809	case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break;
664	case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break;	810	case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break;
665		811
666	case REQ_FDATASYNC: req->result = fdatasync (req->fd); break;	812	case REQ_FDATASYNC: req->result = fdatasync (req->fd); break;
667	case REQ_FSYNC: req->result = fsync (req->fd); break;	813	case REQ_FSYNC: req->result = fsync (req->fd); break;
668	case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break;	814	case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break;
669		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:
670	case REQ_QUIT:	828	case REQ_QUIT:
671	break;	829	break;
672		830
673	default:	831	default:
674	req->result = ENOSYS;	832	req->result = ENOSYS;
675	break;	833	break;
676	}	834	}
677		835
678	req->errorno = errno;	836	req->errorno = errno;
679		837
680	pthread_mutex_lock (&reslock);	838	pthread_mutex_lock (&reslock);
681		839
…		…
735		893
736	while (reqs)	894	while (reqs)
737	{	895	{
738	prv = reqs;	896	prv = reqs;
739	reqs = prv->next;	897	reqs = prv->next;
740	free_req (prv);	898	req_free (prv);
741	}	899	}
742		900
743	reqs = reqe = 0;	901	reqs = reqe = 0;
744		902
745	while (ress)	903	while (ress)
746	{	904	{
747	prv = ress;	905	prv = ress;
748	ress = prv->next;	906	ress = prv->next;
749	free_req (prv);	907	req_free (prv);
750	}	908	}
751		909
752	ress = rese = 0;	910	ress = rese = 0;
753		911
754	close (respipe [0]);	912	close (respipe [0]);
…		…
760		918
761	#define dREQ \	919	#define dREQ \
762	aio_req req; \	920	aio_req req; \
763	\	921	\
764	if (SvOK (callback) && !SvROK (callback)) \	922	if (SvOK (callback) && !SvROK (callback)) \
765	croak ("clalback must be undef or of reference type"); \	923	croak ("callback must be undef or of reference type"); \
766	\	924	\
767	Newz (0, req, 1, aio_cb); \	925	Newz (0, req, 1, aio_cb); \
768	if (!req) \	926	if (!req) \
769	croak ("out of memory during aio_req allocation"); \	927	croak ("out of memory during aio_req allocation"); \
770	\	928	\
771	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));
772		936
773	MODULE = IO::AIO PACKAGE = IO::AIO	937	MODULE = IO::AIO PACKAGE = IO::AIO
774		938
775	PROTOTYPES: ENABLE	939	PROTOTYPES: ENABLE
776		940
777	BOOT:	941	BOOT:
778	{	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
779	create_pipe ();	948	create_pipe ();
780	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);	949	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);
781	}	950	}
782		951
783	void	952	void
784	min_parallel(nthreads)	953	min_parallel (nthreads)
785	int nthreads	954	int nthreads
786	PROTOTYPE: $	955	PROTOTYPE: $
787		956
788	void	957	void
789	max_parallel(nthreads)	958	max_parallel (nthreads)
790	int nthreads	959	int nthreads
791	PROTOTYPE: $	960	PROTOTYPE: $
792		961
793	int	962	int
794	max_outstanding(nreqs)	963	max_outstanding (nreqs)
795	int nreqs	964	int nreqs
796	PROTOTYPE: $	965	PROTOTYPE: $
797	CODE:	966	CODE:
798	RETVAL = max_outstanding;	967	RETVAL = max_outstanding;
799	max_outstanding = nreqs;	968	max_outstanding = nreqs;
800		969
801	void	970	void
802	aio_open(pathname,flags,mode,callback=&PL_sv_undef)	971	aio_open (pathname,flags,mode,callback=&PL_sv_undef)
803	SV * pathname	972	SV * pathname
804	int flags	973	int flags
805	int mode	974	int mode
806	SV * callback	975	SV * callback
807	PROTOTYPE: $$$;$	976	PROTOTYPE: $$$;$
808	CODE:	977	PPCODE:
809	{	978	{
810	dREQ;	979	dREQ;
811		980
812	req->type = REQ_OPEN;	981	req->type = REQ_OPEN;
813	req->data = newSVsv (pathname);	982	req->data = newSVsv (pathname);
814	req->dataptr = SvPVbyte_nolen (req->data);	983	req->dataptr = SvPVbyte_nolen (req->data);
815	req->fd = flags;	984	req->fd = flags;
816	req->mode = mode;	985	req->mode = mode;
817		986
818	send_req (req);	987	REQ_SEND;
819	}	988	}
820		989
821	void	990	void
822	aio_close(fh,callback=&PL_sv_undef)	991	aio_close (fh,callback=&PL_sv_undef)
823	SV * fh	992	SV * fh
824	SV * callback	993	SV * callback
825	PROTOTYPE: $;$	994	PROTOTYPE: $;$
826	ALIAS:	995	ALIAS:
827	aio_close = REQ_CLOSE	996	aio_close = REQ_CLOSE
828	aio_fsync = REQ_FSYNC	997	aio_fsync = REQ_FSYNC
829	aio_fdatasync = REQ_FDATASYNC	998	aio_fdatasync = REQ_FDATASYNC
830	CODE:	999	PPCODE:
831	{	1000	{
832	dREQ;	1001	dREQ;
833		1002
834	req->type = ix;	1003	req->type = ix;
835	req->fh = newSVsv (fh);	1004	req->fh = newSVsv (fh);
836	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));	1005	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));
837		1006
838	send_req (req);	1007	REQ_SEND (req);
839	}	1008	}
840		1009
841	void	1010	void
842	aio_read(fh,offset,length,data,dataoffset,callback=&PL_sv_undef)	1011	aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef)
843	SV * fh	1012	SV * fh
844	UV offset	1013	UV offset
845	UV length	1014	UV length
846	SV * data	1015	SV * data
847	UV dataoffset	1016	UV dataoffset
848	SV * callback	1017	SV * callback
849	ALIAS:	1018	ALIAS:
850	aio_read = REQ_READ	1019	aio_read = REQ_READ
851	aio_write = REQ_WRITE	1020	aio_write = REQ_WRITE
852	PROTOTYPE: $$$$$;$	1021	PROTOTYPE: $$$$$;$
853	CODE:	1022	PPCODE:
854	{	1023	{
855	aio_req req;	1024	aio_req req;
856	STRLEN svlen;	1025	STRLEN svlen;
857	char *svptr = SvPVbyte (data, svlen);	1026	char *svptr = SvPVbyte (data, svlen);
858		1027
…		…
896	{	1065	{
897	SvREADONLY_on (data);	1066	SvREADONLY_on (data);
898	req->data2ptr = (void *)data;	1067	req->data2ptr = (void *)data;
899	}	1068	}
900		1069
901	send_req (req);	1070	REQ_SEND;
902	}	1071	}
903	}	1072	}
904		1073
905	void	1074	void
906	aio_sendfile(out_fh,in_fh,in_offset,length,callback=&PL_sv_undef)	1075	aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef)
907	SV * out_fh	1076	SV * out_fh
908	SV * in_fh	1077	SV * in_fh
909	UV in_offset	1078	UV in_offset
910	UV length	1079	UV length
911	SV * callback	1080	SV * callback
912	PROTOTYPE: $$$$;$	1081	PROTOTYPE: $$$$;$
913	CODE:	1082	PPCODE:
914	{	1083	{
915	dREQ;	1084	dREQ;
916		1085
917	req->type = REQ_SENDFILE;	1086	req->type = REQ_SENDFILE;
918	req->fh = newSVsv (out_fh);	1087	req->fh = newSVsv (out_fh);
…		…
920	req->fh2 = newSVsv (in_fh);	1089	req->fh2 = newSVsv (in_fh);
921	req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));	1090	req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));
922	req->offset = in_offset;	1091	req->offset = in_offset;
923	req->length = length;	1092	req->length = length;
924		1093
925	send_req (req);	1094	REQ_SEND;
926	}	1095	}
927		1096
928	void	1097	void
929	aio_readahead(fh,offset,length,callback=&PL_sv_undef)	1098	aio_readahead (fh,offset,length,callback=&PL_sv_undef)
930	SV * fh	1099	SV * fh
931	UV offset	1100	UV offset
932	IV length	1101	IV length
933	SV * callback	1102	SV * callback
934	PROTOTYPE: $$$;$	1103	PROTOTYPE: $$$;$
935	CODE:	1104	PPCODE:
936	{	1105	{
937	dREQ;	1106	dREQ;
938		1107
939	req->type = REQ_READAHEAD;	1108	req->type = REQ_READAHEAD;
940	req->fh = newSVsv (fh);	1109	req->fh = newSVsv (fh);
941	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));	1110	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));
942	req->offset = offset;	1111	req->offset = offset;
943	req->length = length;	1112	req->length = length;
944		1113
945	send_req (req);	1114	REQ_SEND;
946	}	1115	}
947		1116
948	void	1117	void
949	aio_stat(fh_or_path,callback=&PL_sv_undef)	1118	aio_stat (fh_or_path,callback=&PL_sv_undef)
950	SV * fh_or_path	1119	SV * fh_or_path
951	SV * callback	1120	SV * callback
952	ALIAS:	1121	ALIAS:
953	aio_stat = REQ_STAT	1122	aio_stat = REQ_STAT
954	aio_lstat = REQ_LSTAT	1123	aio_lstat = REQ_LSTAT
955	CODE:	1124	PPCODE:
956	{	1125	{
957	dREQ;	1126	dREQ;
958		1127
959	New (0, req->statdata, 1, Stat_t);	1128	New (0, req->statdata, 1, Stat_t);
960	if (!req->statdata)	1129	if (!req->statdata)
961	{	1130	{
962	free_req (req);	1131	req_free (req);
963	croak ("out of memory during aio_req->statdata allocation");	1132	croak ("out of memory during aio_req->statdata allocation");
964	}	1133	}
965		1134
966	if (SvPOK (fh_or_path))	1135	if (SvPOK (fh_or_path))
967	{	1136	{
…		…
974	req->type = REQ_FSTAT;	1143	req->type = REQ_FSTAT;
975	req->fh = newSVsv (fh_or_path);	1144	req->fh = newSVsv (fh_or_path);
976	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	1145	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
977	}	1146	}
978		1147
979	send_req (req);	1148	REQ_SEND;
980	}	1149	}
981		1150
982	void	1151	void
983	aio_unlink(pathname,callback=&PL_sv_undef)	1152	aio_unlink (pathname,callback=&PL_sv_undef)
984	SV * pathname	1153	SV * pathname
985	SV * callback	1154	SV * callback
986	ALIAS:	1155	ALIAS:
987	aio_unlink = REQ_UNLINK	1156	aio_unlink = REQ_UNLINK
988	aio_rmdir = REQ_RMDIR	1157	aio_rmdir = REQ_RMDIR
		1158	aio_readdir = REQ_READDIR
989	CODE:	1159	PPCODE:
990	{	1160	{
991	dREQ;	1161	dREQ;
992		1162
993	req->type = ix;	1163	req->type = ix;
994	req->data = newSVsv (pathname);	1164	req->data = newSVsv (pathname);
995	req->dataptr = SvPVbyte_nolen (req->data);	1165	req->dataptr = SvPVbyte_nolen (req->data);
996		1166
997	send_req (req);	1167	REQ_SEND;
998	}	1168	}
999		1169
1000	void	1170	void
1001	aio_symlink(oldpath,newpath,callback=&PL_sv_undef)	1171	aio_link (oldpath,newpath,callback=&PL_sv_undef)
1002	SV * oldpath	1172	SV * oldpath
1003	SV * newpath	1173	SV * newpath
1004	SV * callback	1174	SV * callback
		1175	ALIAS:
		1176	aio_link = REQ_LINK
		1177	aio_symlink = REQ_SYMLINK
		1178	aio_rename = REQ_RENAME
1005	CODE:	1179	PPCODE:
1006	{	1180	{
1007	dREQ;	1181	dREQ;
1008		1182
1009	req->type = REQ_SYMLINK;	1183	req->type = ix;
1010	req->fh = newSVsv (oldpath);	1184	req->fh = newSVsv (oldpath);
1011	req->data2ptr = SvPVbyte_nolen (req->fh);	1185	req->data2ptr = SvPVbyte_nolen (req->fh);
1012	req->data = newSVsv (newpath);	1186	req->data = newSVsv (newpath);
1013	req->dataptr = SvPVbyte_nolen (req->data);	1187	req->dataptr = SvPVbyte_nolen (req->data);
1014		1188
1015	send_req (req);	1189	REQ_SEND;
1016	}	1190	}
1017		1191
1018	void	1192	void
1019	aio_readdir(pathname,callback=&PL_sv_undef)	1193	aio_sleep (delay,callback=&PL_sv_undef)
1020	SV * pathname	1194	double delay
1021	SV * callback	1195	SV * callback
1022	CODE:	1196	PPCODE:
1023	{	1197	{
1024	dREQ;	1198	dREQ;
1025		1199
1026	req->type = REQ_READDIR;	1200	req->type = REQ_SLEEP;
1027	req->data = newSVsv (pathname);	1201	req->fd = delay < 0. ? 0 : delay;
1028	req->dataptr = SvPVbyte_nolen (req->data);	1202	req->fd2 = delay < 0. ? 0 : 1000. * (delay - req->fd);
1029
1030	send_req (req);
1031	}
1032		1203
		1204	REQ_SEND;
		1205	}
		1206
1033	void	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;
		1229	}
		1230
		1231	void
1034	flush()	1232	flush ()
1035	PROTOTYPE:	1233	PROTOTYPE:
1036	CODE:	1234	CODE:
1037	while (nreqs)	1235	while (nreqs)
1038	{	1236	{
1039	poll_wait ();	1237	poll_wait ();
…		…
1079	CODE:	1277	CODE:
1080	RETVAL = nreqs;	1278	RETVAL = nreqs;
1081	OUTPUT:	1279	OUTPUT:
1082	RETVAL	1280	RETVAL
1083		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 1.37 by root, Tue Aug 23 12:37:19 2005 UTC vs. Revision 1.56 by root, Mon Oct 23 14:49:51 2006 UTC

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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.37 by root, Tue Aug 23 12:37:19 2005 UTC vs.
Revision 1.56 by root, Mon Oct 23 14:49:51 2006 UTC