[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 1.49 by root, Sun Oct 22 13:33:28 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_SLEEP,
		61	REQ_GROUP,
57	};	62	};
58		63
		64	#define AIO_REQ_KLASS "IO::AIO::REQ"
		65	#define AIO_GRP_KLASS "IO::AIO::GRP"
		66
59	typedef struct aio_cb {	67	typedef struct aio_cb
		68	{
60	struct aio_cb *volatile next;	69	struct aio_cb *volatile next;
61		70
62	int type;	71	struct aio_cb grp, grp_prev, grp_next, grp_first;
63		72
64	/* should receive a cleanup, with unions */	73	SV self; / the perl counterpart of this request, if any */
65	int fd, fd2;	74
		75	SV data, callback;
		76	SV fh, fh2;
		77	void dataptr, data2ptr;
		78	Stat_t *statdata;
66	off_t offset;	79	off_t offset;
67	size_t length;	80	size_t length;
68	ssize_t result;	81	ssize_t result;
		82
		83	int type;
		84	int fd, fd2;
		85	int errorno;
		86	STRLEN dataoffset;
69	mode_t mode; /* open */	87	mode_t mode; /* open */
70	int errorno;	88	unsigned char cancelled;
71	SV data, callback;
72	SV fh, fh2;
73	void dataptr, data2ptr;
74	STRLEN dataoffset;
75
76	Stat_t *statdata;
77	} aio_cb;	89	} aio_cb;
78		90
79	typedef aio_cb *aio_req;	91	typedef aio_cb *aio_req;
		92	typedef aio_cb *aio_req_ornot;
80		93
81	static int started, wanted;	94	static int started, wanted;
82	static volatile int nreqs;	95	static volatile int nreqs;
83	static int max_outstanding = 1<<30;	96	static int max_outstanding = 1<<30;
84	static int respipe [2];	97	static int respipe [2];
…		…
88	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;	101	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;
89		102
90	static volatile aio_req reqs, reqe; /* queue start, queue end */	103	static volatile aio_req reqs, reqe; /* queue start, queue end */
91	static volatile aio_req ress, rese; /* queue start, queue end */	104	static volatile aio_req ress, rese; /* queue start, queue end */
92		105
93	static void free_req (aio_req req)	106	static void req_free (aio_req req);
94	{
95	if (req->data)
96	SvREFCNT_dec (req->data);
97		107
		108	/* must be called at most once */
		109	static SV req_sv (aio_req req, const char klass)
		110	{
98	if (req->fh)	111	if (!req->self)
99	SvREFCNT_dec (req->fh);	112	{
		113	req->self = (SV *)newHV ();
		114	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
		115	}
100		116
101	if (req->fh2)	117	return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1)));
		118	}
		119
		120	static aio_req SvAIO_REQ (SV *sv)
		121	{
		122	if (!sv_derived_from (sv, AIO_REQ_KLASS) \|\| !SvROK (sv))
		123	croak ("object of class " AIO_REQ_KLASS " expected");
		124
		125	MAGIC *mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
		126
		127	return mg ? (aio_req)mg->mg_ptr : 0;
		128	}
		129
		130	static void aio_grp_feed (aio_req grp)
		131	{
		132	while (grp->length < grp->fd2)
		133	{
		134	int old_len = grp->length;
		135
		136	if (grp->fh2 && SvOK (grp->fh2))
		137	{
		138	dSP;
		139
		140	ENTER;
		141	SAVETMPS;
		142	PUSHMARK (SP);
		143	XPUSHs (req_sv (grp, AIO_GRP_KLASS));
		144	PUTBACK;
		145	call_sv (grp->fh2, G_VOID \| G_EVAL);
		146	SPAGAIN;
		147	FREETMPS;
		148	LEAVE;
		149	}
		150
		151	/* stop if no progress has been made */
		152	if (old_len == grp->length)
		153	{
102	SvREFCNT_dec (req->fh2);	154	SvREFCNT_dec (grp->fh2);
103		155	grp->fh2 = 0;
104	if (req->statdata)	156	break;
105	Safefree (req->statdata);	157	}
106		158	}
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	}	159	}
115		160
116	static void	161	static void poll_wait ()
117	poll_wait ()
118	{	162	{
119	if (nreqs && !ress)	163	if (nreqs && !ress)
120	{	164	{
121	fd_set rfd;	165	fd_set rfd;
122	FD_ZERO(&rfd);	166	FD_ZERO(&rfd);
…		…
124		168
125	select (respipe [0] + 1, &rfd, 0, 0, 0);	169	select (respipe [0] + 1, &rfd, 0, 0, 0);
126	}	170	}
127	}	171	}
128		172
129	static int	173	static void req_invoke (aio_req req)
130	poll_cb ()	174	{
		175	dSP;
		176	int errorno = errno;
		177
		178	if (req->cancelled \|\| !SvOK (req->callback))
		179	return;
		180
		181	errno = req->errorno;
		182
		183	ENTER;
		184	SAVETMPS;
		185	PUSHMARK (SP);
		186	EXTEND (SP, 1);
		187
		188	switch (req->type)
		189	{
		190	case REQ_READDIR:
		191	{
		192	SV *rv = &PL_sv_undef;
		193
		194	if (req->result >= 0)
		195	{
		196	char *buf = req->data2ptr;
		197	AV *av = newAV ();
		198
		199	while (req->result)
		200	{
		201	SV *sv = newSVpv (buf, 0);
		202
		203	av_push (av, sv);
		204	buf += SvCUR (sv) + 1;
		205	req->result--;
		206	}
		207
		208	rv = sv_2mortal (newRV_noinc ((SV *)av));
		209	}
		210
		211	PUSHs (rv);
		212	}
		213	break;
		214
		215	case REQ_OPEN:
		216	{
		217	/* convert fd to fh */
		218	SV *fh;
		219
		220	PUSHs (sv_2mortal (newSViv (req->result)));
		221	PUTBACK;
		222	call_pv ("IO::AIO::_fd2fh", G_SCALAR \| G_EVAL);
		223	SPAGAIN;
		224
		225	fh = SvREFCNT_inc (POPs);
		226
		227	PUSHMARK (SP);
		228	XPUSHs (sv_2mortal (fh));
		229	}
		230	break;
		231
		232	case REQ_GROUP:
		233	req->fd = 2; /* mark group as finished */
		234
		235	if (req->data)
		236	{
		237	int i;
		238	AV av = (AV )req->data;
		239
		240	EXTEND (SP, AvFILL (av) + 1);
		241	for (i = 0; i <= AvFILL (av); ++i)
		242	PUSHs (*av_fetch (av, i, 0));
		243	}
		244	break;
		245
		246	case REQ_SLEEP:
		247	break;
		248
		249	default:
		250	PUSHs (sv_2mortal (newSViv (req->result)));
		251	break;
		252	}
		253
		254
		255	PUTBACK;
		256	call_sv (req->callback, G_VOID \| G_EVAL);
		257	SPAGAIN;
		258
		259	if (SvTRUE (ERRSV))
		260	{
		261	req_free (req);
		262	croak (0);
		263	}
		264
		265	FREETMPS;
		266	LEAVE;
		267
		268	errno = errorno;
		269	}
		270
		271	static void req_free (aio_req req)
		272	{
		273	if (req->grp)
		274	{
		275	aio_req grp = req->grp;
		276
		277	/* unlink request */
		278	if (req->grp_next) req->grp_next->grp_prev = req->grp_prev;
		279	if (req->grp_prev) req->grp_prev->grp_next = req->grp_next;
		280
		281	if (grp->grp_first == req)
		282	grp->grp_first = req->grp_next;
		283
		284	--grp->length;
		285
		286	/* call feeder, if applicable */
		287	aio_grp_feed (grp);
		288
		289	/* finish, if done */
		290	if (!grp->length && grp->fd)
		291	{
		292	req_invoke (grp);
		293	req_free (grp);
		294	}
		295	}
		296
		297	if (req->self)
		298	{
		299	sv_unmagic (req->self, PERL_MAGIC_ext);
		300	SvREFCNT_dec (req->self);
		301	}
		302
		303	SvREFCNT_dec (req->data);
		304	SvREFCNT_dec (req->fh);
		305	SvREFCNT_dec (req->fh2);
		306	SvREFCNT_dec (req->callback);
		307	Safefree (req->statdata);
		308
		309	if (req->type == REQ_READDIR && req->result >= 0)
		310	free (req->data2ptr);
		311
		312	Safefree (req);
		313	}
		314
		315	static void req_cancel (aio_req req)
		316	{
		317	req->cancelled = 1;
		318
		319	if (req->type == REQ_GROUP)
		320	{
		321	aio_req sub;
		322
		323	for (sub = req->grp_first; sub; sub = sub->grp_next)
		324	req_cancel (sub);
		325	}
		326	}
		327
		328	static int poll_cb ()
131	{	329	{
132	dSP;	330	dSP;
133	int count = 0;	331	int count = 0;
134	int do_croak = 0;	332	int do_croak = 0;
135	aio_req req;	333	aio_req req;
…		…
161		359
162	nreqs--;	360	nreqs--;
163		361
164	if (req->type == REQ_QUIT)	362	if (req->type == REQ_QUIT)
165	started--;	363	started--;
		364	else if (req->type == REQ_GROUP && req->length)
		365	{
		366	req->fd = 1; /* mark request as delayed */
		367	continue;
		368	}
166	else	369	else
167	{	370	{
168	int errorno = errno;
169	errno = req->errorno;
170
171	if (req->type == REQ_READ)	371	if (req->type == REQ_READ)
172	SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0));	372	SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0));
173		373
174	if (req->data2ptr && (req->type == REQ_READ \|\| req->type == REQ_WRITE))	374	if (req->data2ptr && (req->type == REQ_READ \|\| req->type == REQ_WRITE))
175	SvREADONLY_off (req->data);	375	SvREADONLY_off (req->data);
…		…
179	PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT;	379	PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT;
180	PL_laststatval = req->result;	380	PL_laststatval = req->result;
181	PL_statcache = *(req->statdata);	381	PL_statcache = *(req->statdata);
182	}	382	}
183		383
184	ENTER;	384	req_invoke (req);
185	PUSHMARK (SP);
186		385
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++;	386	count++;
247	}	387	}
248		388
249	free_req (req);	389	req_free (req);
250	}	390	}
251		391
252	return count;	392	return count;
253	}	393	}
254		394
255	static void aio_proc(void arg);	395	static void aio_proc(void arg);
256		396
257	static void
258	start_thread (void)	397	static void start_thread (void)
259	{	398	{
260	sigset_t fullsigset, oldsigset;	399	sigset_t fullsigset, oldsigset;
261	pthread_t tid;	400	pthread_t tid;
262	pthread_attr_t attr;	401	pthread_attr_t attr;
263		402
…		…
272	started++;	411	started++;
273		412
274	sigprocmask (SIG_SETMASK, &oldsigset, 0);	413	sigprocmask (SIG_SETMASK, &oldsigset, 0);
275	}	414	}
276		415
277	static void	416	static void req_send (aio_req req)
278	send_req (aio_req req)
279	{	417	{
280	while (started < wanted && nreqs >= started)	418	while (started < wanted && nreqs >= started)
281	start_thread ();	419	start_thread ();
282		420
283	nreqs++;	421	nreqs++;
…		…
307		445
308	poll_wait ();	446	poll_wait ();
309	}	447	}
310	}	448	}
311		449
312	static void	450	static void end_thread (void)
313	end_thread (void)
314	{	451	{
315	aio_req req;	452	aio_req req;
316	Newz (0, req, 1, aio_cb);	453	Newz (0, req, 1, aio_cb);
317	req->type = REQ_QUIT;	454	req->type = REQ_QUIT;
318		455
319	send_req (req);	456	req_send (req);
320	}	457	}
321		458
322	static void min_parallel (int nthreads)	459	static void min_parallel (int nthreads)
323	{	460	{
324	if (wanted < nthreads)	461	if (wanted < nthreads)
…		…
369	* normal read/write by using a mutex. slows down execution a lot,	506	* normal read/write by using a mutex. slows down execution a lot,
370	* but that's your problem, not mine.	507	* but that's your problem, not mine.
371	*/	508	*/
372	static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER;	509	static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER;
373		510
374	static ssize_t	511	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	{	512	{
377	ssize_t res;	513	ssize_t res;
378	off_t ooffset;	514	off_t ooffset;
379		515
380	pthread_mutex_lock (&preadwritelock);	516	pthread_mutex_lock (&preadwritelock);
…		…
385	pthread_mutex_unlock (&preadwritelock);	521	pthread_mutex_unlock (&preadwritelock);
386		522
387	return res;	523	return res;
388	}	524	}
389		525
390	static ssize_t
391	pwrite (int fd, void *buf, size_t count, off_t offset)	526	static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset)
392	{	527	{
393	ssize_t res;	528	ssize_t res;
394	off_t ooffset;	529	off_t ooffset;
395		530
396	pthread_mutex_lock (&preadwritelock);	531	pthread_mutex_lock (&preadwritelock);
…		…
409	#endif	544	#endif
410		545
411	#if !HAVE_READAHEAD	546	#if !HAVE_READAHEAD
412	# define readahead aio_readahead	547	# define readahead aio_readahead
413		548
414	static ssize_t
415	readahead (int fd, off_t offset, size_t count)	549	static ssize_t readahead (int fd, off_t offset, size_t count)
416	{	550	{
417	char readahead_buf[4096];	551	char readahead_buf[4096];
418		552
419	while (count > 0)	553	while (count > 0)
420	{	554	{
…		…
432	#if !HAVE_READDIR_R	566	#if !HAVE_READDIR_R
433	# define readdir_r aio_readdir_r	567	# define readdir_r aio_readdir_r
434		568
435	static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER;	569	static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER;
436		570
437	static int
438	readdir_r (DIR dirp, struct dirent ent, struct dirent **res)	571	static int readdir_r (DIR dirp, struct dirent ent, struct dirent **res)
439	{	572	{
440	struct dirent *e;	573	struct dirent *e;
441	int errorno;	574	int errorno;
442		575
443	pthread_mutex_lock (&readdirlock);	576	pthread_mutex_lock (&readdirlock);
…		…
459	return e ? 0 : -1;	592	return e ? 0 : -1;
460	}	593	}
461	#endif	594	#endif
462		595
463	/* sendfile always needs emulation */	596	/* sendfile always needs emulation */
464	static ssize_t
465	sendfile_ (int ofd, int ifd, off_t offset, size_t count)	597	static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count)
466	{	598	{
467	ssize_t res;	599	ssize_t res;
468		600
469	if (!count)	601	if (!count)
470	return 0;	602	return 0;
…		…
552		684
553	return res;	685	return res;
554	}	686	}
555		687
556	/* read a full directory */	688	/* read a full directory */
557	static int
558	scandir_ (const char path, void *namesp)	689	static int scandir_ (const char path, void *namesp)
559	{	690	{
560	DIR *dirp = opendir (path);	691	DIR *dirp = opendir (path);
561	union	692	union
562	{	693	{
563	struct dirent d;	694	struct dirent d;
…		…
617	return res;	748	return res;
618	}	749	}
619		750
620	/*****************************************************************************/	751	/*****************************************************************************/
621		752
622	static void *
623	aio_proc (void *thr_arg)	753	static void aio_proc (void thr_arg)
624	{	754	{
625	aio_req req;	755	aio_req req;
626	int type;	756	int type;
627		757
628	do	758	do
…		…
647		777
648	pthread_mutex_unlock (&reqlock);	778	pthread_mutex_unlock (&reqlock);
649		779
650	errno = 0; /* strictly unnecessary */	780	errno = 0; /* strictly unnecessary */
651		781
652	type = req->type;	782	if (!req->cancelled)
653
654	switch (type)	783	switch (req->type)
655	{	784	{
656	case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break;	785	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;	786	case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break;
658		787
659	case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break;	788	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;	789	case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length); break;
661		790
662	case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break;	791	case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break;
663	case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break;	792	case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break;
664	case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break;	793	case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break;
665		794
666	case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break;	795	case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break;
667	case REQ_CLOSE: req->result = close (req->fd); break;	796	case REQ_CLOSE: req->result = close (req->fd); break;
668	case REQ_UNLINK: req->result = unlink (req->dataptr); break;	797	case REQ_UNLINK: req->result = unlink (req->dataptr); break;
669	case REQ_RMDIR: req->result = rmdir (req->dataptr); break;	798	case REQ_RMDIR: req->result = rmdir (req->dataptr); break;
670	case REQ_RENAME: req->result = rename (req->data2ptr, req->dataptr); break;	799	case REQ_RENAME: req->result = rename (req->data2ptr, req->dataptr); break;
671	case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break;	800	case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break;
672	case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break;	801	case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break;
673		802
674	case REQ_FDATASYNC: req->result = fdatasync (req->fd); break;	803	case REQ_FDATASYNC: req->result = fdatasync (req->fd); break;
675	case REQ_FSYNC: req->result = fsync (req->fd); break;	804	case REQ_FSYNC: req->result = fsync (req->fd); break;
676	case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break;	805	case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break;
677		806
		807	case REQ_SLEEP:
		808	{
		809	struct timeval tv;
		810
		811	tv.tv_sec = req->fd;
		812	tv.tv_usec = req->fd2;
		813
		814	req->result = select (0, 0, 0, 0, &tv);
		815	}
		816
678	case REQ_QUIT:	817	case REQ_QUIT:
679	break;	818	break;
680		819
681	default:	820	default:
682	req->result = ENOSYS;	821	req->result = ENOSYS;
683	break;	822	break;
684	}	823	}
685		824
686	req->errorno = errno;	825	req->errorno = errno;
687		826
688	pthread_mutex_lock (&reslock);	827	pthread_mutex_lock (&reslock);
689		828
…		…
743		882
744	while (reqs)	883	while (reqs)
745	{	884	{
746	prv = reqs;	885	prv = reqs;
747	reqs = prv->next;	886	reqs = prv->next;
748	free_req (prv);	887	req_free (prv);
749	}	888	}
750		889
751	reqs = reqe = 0;	890	reqs = reqe = 0;
752		891
753	while (ress)	892	while (ress)
754	{	893	{
755	prv = ress;	894	prv = ress;
756	ress = prv->next;	895	ress = prv->next;
757	free_req (prv);	896	req_free (prv);
758	}	897	}
759		898
760	ress = rese = 0;	899	ress = rese = 0;
761		900
762	close (respipe [0]);	901	close (respipe [0]);
…		…
768		907
769	#define dREQ \	908	#define dREQ \
770	aio_req req; \	909	aio_req req; \
771	\	910	\
772	if (SvOK (callback) && !SvROK (callback)) \	911	if (SvOK (callback) && !SvROK (callback)) \
773	croak ("clalback must be undef or of reference type"); \	912	croak ("callback must be undef or of reference type"); \
774	\	913	\
775	Newz (0, req, 1, aio_cb); \	914	Newz (0, req, 1, aio_cb); \
776	if (!req) \	915	if (!req) \
777	croak ("out of memory during aio_req allocation"); \	916	croak ("out of memory during aio_req allocation"); \
778	\	917	\
779	req->callback = newSVsv (callback);	918	req->callback = newSVsv (callback)
		919
		920	#define REQ_SEND \
		921	req_send (req); \
		922	\
		923	if (GIMME_V != G_VOID) \
		924	XPUSHs (req_sv (req, AIO_REQ_KLASS));
780		925
781	MODULE = IO::AIO PACKAGE = IO::AIO	926	MODULE = IO::AIO PACKAGE = IO::AIO
782		927
783	PROTOTYPES: ENABLE	928	PROTOTYPES: ENABLE
784		929
785	BOOT:	930	BOOT:
786	{	931	{
		932	HV *stash = gv_stashpv ("IO::AIO", 1);
		933	newCONSTSUB (stash, "EXDEV", newSViv (EXDEV));
		934	newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY));
		935	newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY));
		936
787	create_pipe ();	937	create_pipe ();
788	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);	938	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);
789	}	939	}
790		940
791	void	941	void
…		…
811	SV * pathname	961	SV * pathname
812	int flags	962	int flags
813	int mode	963	int mode
814	SV * callback	964	SV * callback
815	PROTOTYPE: $$$;$	965	PROTOTYPE: $$$;$
816	CODE:	966	PPCODE:
817	{	967	{
818	dREQ;	968	dREQ;
819		969
820	req->type = REQ_OPEN;	970	req->type = REQ_OPEN;
821	req->data = newSVsv (pathname);	971	req->data = newSVsv (pathname);
822	req->dataptr = SvPVbyte_nolen (req->data);	972	req->dataptr = SvPVbyte_nolen (req->data);
823	req->fd = flags;	973	req->fd = flags;
824	req->mode = mode;	974	req->mode = mode;
825		975
826	send_req (req);	976	REQ_SEND;
827	}	977	}
828		978
829	void	979	void
830	aio_close (fh,callback=&PL_sv_undef)	980	aio_close (fh,callback=&PL_sv_undef)
831	SV * fh	981	SV * fh
…		…
833	PROTOTYPE: $;$	983	PROTOTYPE: $;$
834	ALIAS:	984	ALIAS:
835	aio_close = REQ_CLOSE	985	aio_close = REQ_CLOSE
836	aio_fsync = REQ_FSYNC	986	aio_fsync = REQ_FSYNC
837	aio_fdatasync = REQ_FDATASYNC	987	aio_fdatasync = REQ_FDATASYNC
838	CODE:	988	PPCODE:
839	{	989	{
840	dREQ;	990	dREQ;
841		991
842	req->type = ix;	992	req->type = ix;
843	req->fh = newSVsv (fh);	993	req->fh = newSVsv (fh);
844	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));	994	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));
845		995
846	send_req (req);	996	REQ_SEND (req);
847	}	997	}
848		998
849	void	999	void
850	aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef)	1000	aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef)
851	SV * fh	1001	SV * fh
…		…
856	SV * callback	1006	SV * callback
857	ALIAS:	1007	ALIAS:
858	aio_read = REQ_READ	1008	aio_read = REQ_READ
859	aio_write = REQ_WRITE	1009	aio_write = REQ_WRITE
860	PROTOTYPE: $$$$$;$	1010	PROTOTYPE: $$$$$;$
861	CODE:	1011	PPCODE:
862	{	1012	{
863	aio_req req;	1013	aio_req req;
864	STRLEN svlen;	1014	STRLEN svlen;
865	char *svptr = SvPVbyte (data, svlen);	1015	char *svptr = SvPVbyte (data, svlen);
866		1016
…		…
904	{	1054	{
905	SvREADONLY_on (data);	1055	SvREADONLY_on (data);
906	req->data2ptr = (void *)data;	1056	req->data2ptr = (void *)data;
907	}	1057	}
908		1058
909	send_req (req);	1059	REQ_SEND;
910	}	1060	}
911	}	1061	}
912		1062
913	void	1063	void
914	aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef)	1064	aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef)
…		…
916	SV * in_fh	1066	SV * in_fh
917	UV in_offset	1067	UV in_offset
918	UV length	1068	UV length
919	SV * callback	1069	SV * callback
920	PROTOTYPE: $$$$;$	1070	PROTOTYPE: $$$$;$
921	CODE:	1071	PPCODE:
922	{	1072	{
923	dREQ;	1073	dREQ;
924		1074
925	req->type = REQ_SENDFILE;	1075	req->type = REQ_SENDFILE;
926	req->fh = newSVsv (out_fh);	1076	req->fh = newSVsv (out_fh);
…		…
928	req->fh2 = newSVsv (in_fh);	1078	req->fh2 = newSVsv (in_fh);
929	req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));	1079	req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));
930	req->offset = in_offset;	1080	req->offset = in_offset;
931	req->length = length;	1081	req->length = length;
932		1082
933	send_req (req);	1083	REQ_SEND;
934	}	1084	}
935		1085
936	void	1086	void
937	aio_readahead (fh,offset,length,callback=&PL_sv_undef)	1087	aio_readahead (fh,offset,length,callback=&PL_sv_undef)
938	SV * fh	1088	SV * fh
939	UV offset	1089	UV offset
940	IV length	1090	IV length
941	SV * callback	1091	SV * callback
942	PROTOTYPE: $$$;$	1092	PROTOTYPE: $$$;$
943	CODE:	1093	PPCODE:
944	{	1094	{
945	dREQ;	1095	dREQ;
946		1096
947	req->type = REQ_READAHEAD;	1097	req->type = REQ_READAHEAD;
948	req->fh = newSVsv (fh);	1098	req->fh = newSVsv (fh);
949	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));	1099	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));
950	req->offset = offset;	1100	req->offset = offset;
951	req->length = length;	1101	req->length = length;
952		1102
953	send_req (req);	1103	REQ_SEND;
954	}	1104	}
955		1105
956	void	1106	void
957	aio_stat (fh_or_path,callback=&PL_sv_undef)	1107	aio_stat (fh_or_path,callback=&PL_sv_undef)
958	SV * fh_or_path	1108	SV * fh_or_path
959	SV * callback	1109	SV * callback
960	ALIAS:	1110	ALIAS:
961	aio_stat = REQ_STAT	1111	aio_stat = REQ_STAT
962	aio_lstat = REQ_LSTAT	1112	aio_lstat = REQ_LSTAT
963	CODE:	1113	PPCODE:
964	{	1114	{
965	dREQ;	1115	dREQ;
966		1116
967	New (0, req->statdata, 1, Stat_t);	1117	New (0, req->statdata, 1, Stat_t);
968	if (!req->statdata)	1118	if (!req->statdata)
969	{	1119	{
970	free_req (req);	1120	req_free (req);
971	croak ("out of memory during aio_req->statdata allocation");	1121	croak ("out of memory during aio_req->statdata allocation");
972	}	1122	}
973		1123
974	if (SvPOK (fh_or_path))	1124	if (SvPOK (fh_or_path))
975	{	1125	{
…		…
982	req->type = REQ_FSTAT;	1132	req->type = REQ_FSTAT;
983	req->fh = newSVsv (fh_or_path);	1133	req->fh = newSVsv (fh_or_path);
984	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	1134	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
985	}	1135	}
986		1136
987	send_req (req);	1137	REQ_SEND;
988	}	1138	}
989		1139
990	void	1140	void
991	aio_unlink (pathname,callback=&PL_sv_undef)	1141	aio_unlink (pathname,callback=&PL_sv_undef)
992	SV * pathname	1142	SV * pathname
993	SV * callback	1143	SV * callback
994	ALIAS:	1144	ALIAS:
995	aio_unlink = REQ_UNLINK	1145	aio_unlink = REQ_UNLINK
996	aio_rmdir = REQ_RMDIR	1146	aio_rmdir = REQ_RMDIR
997	aio_readdir = REQ_READDIR	1147	aio_readdir = REQ_READDIR
998	CODE:	1148	PPCODE:
999	{	1149	{
1000	dREQ;	1150	dREQ;
1001		1151
1002	req->type = ix;	1152	req->type = ix;
1003	req->data = newSVsv (pathname);	1153	req->data = newSVsv (pathname);
1004	req->dataptr = SvPVbyte_nolen (req->data);	1154	req->dataptr = SvPVbyte_nolen (req->data);
1005		1155
1006	send_req (req);	1156	REQ_SEND;
1007	}	1157	}
1008		1158
1009	void	1159	void
1010	aio_link (oldpath,newpath,callback=&PL_sv_undef)	1160	aio_link (oldpath,newpath,callback=&PL_sv_undef)
1011	SV * oldpath	1161	SV * oldpath
…		…
1013	SV * callback	1163	SV * callback
1014	ALIAS:	1164	ALIAS:
1015	aio_link = REQ_LINK	1165	aio_link = REQ_LINK
1016	aio_symlink = REQ_SYMLINK	1166	aio_symlink = REQ_SYMLINK
1017	aio_rename = REQ_RENAME	1167	aio_rename = REQ_RENAME
1018	CODE:	1168	PPCODE:
1019	{	1169	{
1020	dREQ;	1170	dREQ;
1021		1171
1022	req->type = ix;	1172	req->type = ix;
1023	req->fh = newSVsv (oldpath);	1173	req->fh = newSVsv (oldpath);
1024	req->data2ptr = SvPVbyte_nolen (req->fh);	1174	req->data2ptr = SvPVbyte_nolen (req->fh);
1025	req->data = newSVsv (newpath);	1175	req->data = newSVsv (newpath);
1026	req->dataptr = SvPVbyte_nolen (req->data);	1176	req->dataptr = SvPVbyte_nolen (req->data);
1027		1177
1028	send_req (req);	1178	REQ_SEND;
		1179	}
		1180
		1181	void
		1182	aio_sleep (delay,callback=&PL_sv_undef)
		1183	double delay
		1184	SV * callback
		1185	PPCODE:
		1186	{
		1187	dREQ;
		1188
		1189	req->type = REQ_SLEEP;
		1190	req->fd = delay < 0. ? 0 : delay;
		1191	req->fd2 = delay < 0. ? 0 : 1000. * (delay - req->fd);
		1192
		1193	REQ_SEND;
		1194	}
		1195
		1196	void
		1197	aio_group (callback=&PL_sv_undef)
		1198	SV * callback
		1199	PROTOTYPE: ;$
		1200	PPCODE:
		1201	{
		1202	dREQ;
		1203	req->type = REQ_GROUP;
		1204	req_send (req);
		1205	XPUSHs (req_sv (req, AIO_GRP_KLASS));
1029	}	1206	}
1030		1207
1031	void	1208	void
1032	flush ()	1209	flush ()
1033	PROTOTYPE:	1210	PROTOTYPE:
…		…
1077	CODE:	1254	CODE:
1078	RETVAL = nreqs;	1255	RETVAL = nreqs;
1079	OUTPUT:	1256	OUTPUT:
1080	RETVAL	1257	RETVAL
1081		1258
		1259	PROTOTYPES: DISABLE
		1260
		1261	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
		1262
		1263	void
		1264	cancel (aio_req_ornot req)
		1265	PROTOTYPE:
		1266	CODE:
		1267	req_cancel (req);
		1268
		1269	MODULE = IO::AIO PACKAGE = IO::AIO::GRP
		1270
		1271	void
		1272	add (aio_req grp, ...)
		1273	PPCODE:
		1274	{
		1275	int i;
		1276
		1277	if (grp->fd == 2)
		1278	croak ("cannot add requests to IO::AIO::GRP after the group finished");
		1279
		1280	for (i = 1; i < items; ++i )
		1281	{
		1282	if (GIMME_V != G_VOID)
		1283	XPUSHs (sv_2mortal (newSVsv (ST (i))));
		1284
		1285	aio_req req = SvAIO_REQ (ST (i));
		1286
		1287	if (req)
		1288	{
		1289	++grp->length;
		1290	req->grp = grp;
		1291
		1292	req->grp_prev = 0;
		1293	req->grp_next = grp->grp_first;
		1294
		1295	if (grp->grp_first)
		1296	grp->grp_first->grp_prev = req;
		1297
		1298	grp->grp_first = req;
		1299	}
		1300	}
		1301	}
		1302
		1303	void
		1304	result (aio_req grp, ...)
		1305	CODE:
		1306	{
		1307	int i;
		1308	AV *av = newAV ();
		1309
		1310	for (i = 1; i < items; ++i )
		1311	av_push (av, newSVsv (ST (i)));
		1312
		1313	SvREFCNT_dec (grp->data);
		1314	grp->data = (SV *)av;
		1315	}
		1316
		1317	void
		1318	feeder_limit (aio_req grp, int limit)
		1319	CODE:
		1320	grp->fd2 = limit;
		1321	aio_grp_feed (grp);
		1322
		1323	void
		1324	set_feeder (aio_req grp, SV *callback=&PL_sv_undef)
		1325	CODE:
		1326	{
		1327	SvREFCNT_dec (grp->fh2);
		1328	grp->fh2 = newSVsv (callback);
		1329
		1330	if (grp->fd2 <= 0)
		1331	grp->fd2 = 2;
		1332
		1333	aio_grp_feed (grp);
		1334	}
		1335

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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 1.49 by root, Sun Oct 22 13:33:28 2006 UTC

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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 1.49 by root, Sun Oct 22 13:33:28 2006 UTC