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

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.38 by root, Sun Aug 28 10:51:33 2005 UTC vs.
Revision 1.49 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>
…		…
31	# else	34	# else
32	# error sendfile support requested but not available	35	# error sendfile support requested but not available
33	# endif	36	# endif
34	#endif	37	#endif
35		38
		39	/* used for struct dirent, AIX doesn't provide it */
		40	#ifndef NAME_MAX
		41	# define NAME_MAX 4096
		42	#endif
		43
36	#if __ia64	44	#if __ia64
37	# define STACKSIZE 65536	45	# define STACKSIZE 65536
38	#else	46	#else
39	# define STACKSIZE 8192	47	# define STACKSIZE 8192
40	#endif	48	#endif
…		…
44	REQ_OPEN, REQ_CLOSE,	52	REQ_OPEN, REQ_CLOSE,
45	REQ_READ, REQ_WRITE, REQ_READAHEAD,	53	REQ_READ, REQ_WRITE, REQ_READAHEAD,
46	REQ_SENDFILE,	54	REQ_SENDFILE,
47	REQ_STAT, REQ_LSTAT, REQ_FSTAT,	55	REQ_STAT, REQ_LSTAT, REQ_FSTAT,
48	REQ_FSYNC, REQ_FDATASYNC,	56	REQ_FSYNC, REQ_FDATASYNC,
49	REQ_UNLINK, REQ_RMDIR,	57	REQ_UNLINK, REQ_RMDIR, REQ_RENAME,
50	REQ_READDIR,	58	REQ_READDIR,
51	REQ_SYMLINK,	59	REQ_LINK, REQ_SYMLINK,
		60	REQ_SLEEP,
		61	REQ_GROUP,
52	};	62	};
53		63
		64	#define AIO_REQ_KLASS "IO::AIO::REQ"
		65	#define AIO_GRP_KLASS "IO::AIO::GRP"
		66
54	typedef struct aio_cb {	67	typedef struct aio_cb
		68	{
55	struct aio_cb *volatile next;	69	struct aio_cb *volatile next;
56		70
57	int type;	71	struct aio_cb grp, grp_prev, grp_next, grp_first;
58		72
59	/* should receive a cleanup, with unions */	73	SV self; / the perl counterpart of this request, if any */
60	int fd, fd2;	74
		75	SV data, callback;
		76	SV fh, fh2;
		77	void dataptr, data2ptr;
		78	Stat_t *statdata;
61	off_t offset;	79	off_t offset;
62	size_t length;	80	size_t length;
63	ssize_t result;	81	ssize_t result;
		82
		83	int type;
		84	int fd, fd2;
		85	int errorno;
		86	STRLEN dataoffset;
64	mode_t mode; /* open */	87	mode_t mode; /* open */
65	int errorno;	88	unsigned char cancelled;
66	SV data, callback;
67	SV fh, fh2;
68	void dataptr, data2ptr;
69	STRLEN dataoffset;
70
71	Stat_t *statdata;
72	} aio_cb;	89	} aio_cb;
73		90
74	typedef aio_cb *aio_req;	91	typedef aio_cb *aio_req;
		92	typedef aio_cb *aio_req_ornot;
75		93
76	static int started, wanted;	94	static int started, wanted;
77	static volatile int nreqs;	95	static volatile int nreqs;
78	static int max_outstanding = 1<<30;	96	static int max_outstanding = 1<<30;
79	static int respipe [2];	97	static int respipe [2];
…		…
83	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;	101	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;
84		102
85	static volatile aio_req reqs, reqe; /* queue start, queue end */	103	static volatile aio_req reqs, reqe; /* queue start, queue end */
86	static volatile aio_req ress, rese; /* queue start, queue end */	104	static volatile aio_req ress, rese; /* queue start, queue end */
87		105
88	static void free_req (aio_req req)	106	static void req_free (aio_req req);
89	{
90	if (req->data)
91	SvREFCNT_dec (req->data);
92		107
		108	/* must be called at most once */
		109	static SV req_sv (aio_req req, const char klass)
		110	{
93	if (req->fh)	111	if (!req->self)
94	SvREFCNT_dec (req->fh);	112	{
		113	req->self = (SV *)newHV ();
		114	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
		115	}
95		116
96	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	{
97	SvREFCNT_dec (req->fh2);	154	SvREFCNT_dec (grp->fh2);
98		155	grp->fh2 = 0;
99	if (req->statdata)	156	break;
100	Safefree (req->statdata);	157	}
101		158	}
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	}	159	}
110		160
111	static void	161	static void poll_wait ()
112	poll_wait ()
113	{	162	{
114	if (nreqs && !ress)	163	if (nreqs && !ress)
115	{	164	{
116	fd_set rfd;	165	fd_set rfd;
117	FD_ZERO(&rfd);	166	FD_ZERO(&rfd);
…		…
119		168
120	select (respipe [0] + 1, &rfd, 0, 0, 0);	169	select (respipe [0] + 1, &rfd, 0, 0, 0);
121	}	170	}
122	}	171	}
123		172
124	static int	173	static void req_invoke (aio_req req)
125	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 ()
126	{	329	{
127	dSP;	330	dSP;
128	int count = 0;	331	int count = 0;
129	int do_croak = 0;	332	int do_croak = 0;
130	aio_req req;	333	aio_req req;
…		…
156		359
157	nreqs--;	360	nreqs--;
158		361
159	if (req->type == REQ_QUIT)	362	if (req->type == REQ_QUIT)
160	started--;	363	started--;
		364	else if (req->type == REQ_GROUP && req->length)
		365	{
		366	req->fd = 1; /* mark request as delayed */
		367	continue;
		368	}
161	else	369	else
162	{	370	{
163	int errorno = errno;
164	errno = req->errorno;
165
166	if (req->type == REQ_READ)	371	if (req->type == REQ_READ)
167	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));
168		373
169	if (req->data2ptr && (req->type == REQ_READ \|\| req->type == REQ_WRITE))	374	if (req->data2ptr && (req->type == REQ_READ \|\| req->type == REQ_WRITE))
170	SvREADONLY_off (req->data);	375	SvREADONLY_off (req->data);
…		…
174	PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT;	379	PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT;
175	PL_laststatval = req->result;	380	PL_laststatval = req->result;
176	PL_statcache = *(req->statdata);	381	PL_statcache = *(req->statdata);
177	}	382	}
178		383
179	ENTER;	384	req_invoke (req);
180	PUSHMARK (SP);
181		385
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++;	386	count++;
242	}	387	}
243		388
244	free_req (req);	389	req_free (req);
245	}	390	}
246		391
247	return count;	392	return count;
248	}	393	}
249		394
250	static void aio_proc(void arg);	395	static void aio_proc(void arg);
251		396
252	static void
253	start_thread (void)	397	static void start_thread (void)
254	{	398	{
255	sigset_t fullsigset, oldsigset;	399	sigset_t fullsigset, oldsigset;
256	pthread_t tid;	400	pthread_t tid;
257	pthread_attr_t attr;	401	pthread_attr_t attr;
258		402
…		…
267	started++;	411	started++;
268		412
269	sigprocmask (SIG_SETMASK, &oldsigset, 0);	413	sigprocmask (SIG_SETMASK, &oldsigset, 0);
270	}	414	}
271		415
272	static void	416	static void req_send (aio_req req)
273	send_req (aio_req req)
274	{	417	{
275	while (started < wanted && nreqs >= started)	418	while (started < wanted && nreqs >= started)
276	start_thread ();	419	start_thread ();
277		420
278	nreqs++;	421	nreqs++;
…		…
302		445
303	poll_wait ();	446	poll_wait ();
304	}	447	}
305	}	448	}
306		449
307	static void	450	static void end_thread (void)
308	end_thread (void)
309	{	451	{
310	aio_req req;	452	aio_req req;
311	Newz (0, req, 1, aio_cb);	453	Newz (0, req, 1, aio_cb);
312	req->type = REQ_QUIT;	454	req->type = REQ_QUIT;
313		455
314	send_req (req);	456	req_send (req);
315	}	457	}
316		458
317	static void min_parallel (int nthreads)	459	static void min_parallel (int nthreads)
318	{	460	{
319	if (wanted < nthreads)	461	if (wanted < nthreads)
…		…
364	* 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,
365	* but that's your problem, not mine.	507	* but that's your problem, not mine.
366	*/	508	*/
367	static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER;	509	static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER;
368		510
369	static ssize_t	511	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	{	512	{
372	ssize_t res;	513	ssize_t res;
373	off_t ooffset;	514	off_t ooffset;
374		515
375	pthread_mutex_lock (&preadwritelock);	516	pthread_mutex_lock (&preadwritelock);
…		…
380	pthread_mutex_unlock (&preadwritelock);	521	pthread_mutex_unlock (&preadwritelock);
381		522
382	return res;	523	return res;
383	}	524	}
384		525
385	static ssize_t
386	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)
387	{	527	{
388	ssize_t res;	528	ssize_t res;
389	off_t ooffset;	529	off_t ooffset;
390		530
391	pthread_mutex_lock (&preadwritelock);	531	pthread_mutex_lock (&preadwritelock);
…		…
404	#endif	544	#endif
405		545
406	#if !HAVE_READAHEAD	546	#if !HAVE_READAHEAD
407	# define readahead aio_readahead	547	# define readahead aio_readahead
408		548
409	static ssize_t
410	readahead (int fd, off_t offset, size_t count)	549	static ssize_t readahead (int fd, off_t offset, size_t count)
411	{	550	{
412	char readahead_buf[4096];	551	char readahead_buf[4096];
413		552
414	while (count > 0)	553	while (count > 0)
415	{	554	{
…		…
427	#if !HAVE_READDIR_R	566	#if !HAVE_READDIR_R
428	# define readdir_r aio_readdir_r	567	# define readdir_r aio_readdir_r
429		568
430	static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER;	569	static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER;
431		570
432	static int
433	readdir_r (DIR dirp, struct dirent ent, struct dirent **res)	571	static int readdir_r (DIR dirp, struct dirent ent, struct dirent **res)
434	{	572	{
435	struct dirent *e;	573	struct dirent *e;
436	int errorno;	574	int errorno;
437		575
438	pthread_mutex_lock (&readdirlock);	576	pthread_mutex_lock (&readdirlock);
…		…
454	return e ? 0 : -1;	592	return e ? 0 : -1;
455	}	593	}
456	#endif	594	#endif
457		595
458	/* sendfile always needs emulation */	596	/* sendfile always needs emulation */
459	static ssize_t
460	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)
461	{	598	{
462	ssize_t res;	599	ssize_t res;
463		600
464	if (!count)	601	if (!count)
465	return 0;	602	return 0;
…		…
547		684
548	return res;	685	return res;
549	}	686	}
550		687
551	/* read a full directory */	688	/* read a full directory */
552	static int
553	scandir_ (const char path, void *namesp)	689	static int scandir_ (const char path, void *namesp)
554	{	690	{
555	DIR *dirp = opendir (path);	691	DIR *dirp = opendir (path);
556	union	692	union
557	{	693	{
558	struct dirent d;	694	struct dirent d;
…		…
612	return res;	748	return res;
613	}	749	}
614		750
615	/*****************************************************************************/	751	/*****************************************************************************/
616		752
617	static void *
618	aio_proc (void *thr_arg)	753	static void aio_proc (void thr_arg)
619	{	754	{
620	aio_req req;	755	aio_req req;
621	int type;	756	int type;
622		757
623	do	758	do
…		…
642		777
643	pthread_mutex_unlock (&reqlock);	778	pthread_mutex_unlock (&reqlock);
644		779
645	errno = 0; /* strictly unnecessary */	780	errno = 0; /* strictly unnecessary */
646		781
647	type = req->type;	782	if (!req->cancelled)
648
649	switch (type)	783	switch (req->type)
650	{	784	{
651	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;
652	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;
653		787
654	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;
655	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;
656		790
657	case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break;	791	case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break;
658	case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break;	792	case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break;
659	case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break;	793	case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break;
660		794
661	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;
662	case REQ_CLOSE: req->result = close (req->fd); break;	796	case REQ_CLOSE: req->result = close (req->fd); break;
663	case REQ_UNLINK: req->result = unlink (req->dataptr); break;	797	case REQ_UNLINK: req->result = unlink (req->dataptr); break;
664	case REQ_RMDIR: req->result = rmdir (req->dataptr); break;	798	case REQ_RMDIR: req->result = rmdir (req->dataptr); break;
		799	case REQ_RENAME: req->result = rename (req->data2ptr, req->dataptr); break;
		800	case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break;
665	case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break;	801	case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break;
666		802
667	case REQ_FDATASYNC: req->result = fdatasync (req->fd); break;	803	case REQ_FDATASYNC: req->result = fdatasync (req->fd); break;
668	case REQ_FSYNC: req->result = fsync (req->fd); break;	804	case REQ_FSYNC: req->result = fsync (req->fd); break;
669	case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break;	805	case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break;
670		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
671	case REQ_QUIT:	817	case REQ_QUIT:
672	break;	818	break;
673		819
674	default:	820	default:
675	req->result = ENOSYS;	821	req->result = ENOSYS;
676	break;	822	break;
677	}	823	}
678		824
679	req->errorno = errno;	825	req->errorno = errno;
680		826
681	pthread_mutex_lock (&reslock);	827	pthread_mutex_lock (&reslock);
682		828
…		…
736		882
737	while (reqs)	883	while (reqs)
738	{	884	{
739	prv = reqs;	885	prv = reqs;
740	reqs = prv->next;	886	reqs = prv->next;
741	free_req (prv);	887	req_free (prv);
742	}	888	}
743		889
744	reqs = reqe = 0;	890	reqs = reqe = 0;
745		891
746	while (ress)	892	while (ress)
747	{	893	{
748	prv = ress;	894	prv = ress;
749	ress = prv->next;	895	ress = prv->next;
750	free_req (prv);	896	req_free (prv);
751	}	897	}
752		898
753	ress = rese = 0;	899	ress = rese = 0;
754		900
755	close (respipe [0]);	901	close (respipe [0]);
…		…
761		907
762	#define dREQ \	908	#define dREQ \
763	aio_req req; \	909	aio_req req; \
764	\	910	\
765	if (SvOK (callback) && !SvROK (callback)) \	911	if (SvOK (callback) && !SvROK (callback)) \
766	croak ("clalback must be undef or of reference type"); \	912	croak ("callback must be undef or of reference type"); \
767	\	913	\
768	Newz (0, req, 1, aio_cb); \	914	Newz (0, req, 1, aio_cb); \
769	if (!req) \	915	if (!req) \
770	croak ("out of memory during aio_req allocation"); \	916	croak ("out of memory during aio_req allocation"); \
771	\	917	\
772	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));
773		925
774	MODULE = IO::AIO PACKAGE = IO::AIO	926	MODULE = IO::AIO PACKAGE = IO::AIO
775		927
776	PROTOTYPES: ENABLE	928	PROTOTYPES: ENABLE
777		929
778	BOOT:	930	BOOT:
779	{	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
780	create_pipe ();	937	create_pipe ();
781	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);	938	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);
782	}	939	}
783		940
784	void	941	void
785	min_parallel(nthreads)	942	min_parallel (nthreads)
786	int nthreads	943	int nthreads
787	PROTOTYPE: $	944	PROTOTYPE: $
788		945
789	void	946	void
790	max_parallel(nthreads)	947	max_parallel (nthreads)
791	int nthreads	948	int nthreads
792	PROTOTYPE: $	949	PROTOTYPE: $
793		950
794	int	951	int
795	max_outstanding(nreqs)	952	max_outstanding (nreqs)
796	int nreqs	953	int nreqs
797	PROTOTYPE: $	954	PROTOTYPE: $
798	CODE:	955	CODE:
799	RETVAL = max_outstanding;	956	RETVAL = max_outstanding;
800	max_outstanding = nreqs;	957	max_outstanding = nreqs;
801		958
802	void	959	void
803	aio_open(pathname,flags,mode,callback=&PL_sv_undef)	960	aio_open (pathname,flags,mode,callback=&PL_sv_undef)
804	SV * pathname	961	SV * pathname
805	int flags	962	int flags
806	int mode	963	int mode
807	SV * callback	964	SV * callback
808	PROTOTYPE: $$$;$	965	PROTOTYPE: $$$;$
809	CODE:	966	PPCODE:
810	{	967	{
811	dREQ;	968	dREQ;
812		969
813	req->type = REQ_OPEN;	970	req->type = REQ_OPEN;
814	req->data = newSVsv (pathname);	971	req->data = newSVsv (pathname);
815	req->dataptr = SvPVbyte_nolen (req->data);	972	req->dataptr = SvPVbyte_nolen (req->data);
816	req->fd = flags;	973	req->fd = flags;
817	req->mode = mode;	974	req->mode = mode;
818		975
819	send_req (req);	976	REQ_SEND;
820	}	977	}
821		978
822	void	979	void
823	aio_close(fh,callback=&PL_sv_undef)	980	aio_close (fh,callback=&PL_sv_undef)
824	SV * fh	981	SV * fh
825	SV * callback	982	SV * callback
826	PROTOTYPE: $;$	983	PROTOTYPE: $;$
827	ALIAS:	984	ALIAS:
828	aio_close = REQ_CLOSE	985	aio_close = REQ_CLOSE
829	aio_fsync = REQ_FSYNC	986	aio_fsync = REQ_FSYNC
830	aio_fdatasync = REQ_FDATASYNC	987	aio_fdatasync = REQ_FDATASYNC
831	CODE:	988	PPCODE:
832	{	989	{
833	dREQ;	990	dREQ;
834		991
835	req->type = ix;	992	req->type = ix;
836	req->fh = newSVsv (fh);	993	req->fh = newSVsv (fh);
837	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));	994	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));
838		995
839	send_req (req);	996	REQ_SEND (req);
840	}	997	}
841		998
842	void	999	void
843	aio_read(fh,offset,length,data,dataoffset,callback=&PL_sv_undef)	1000	aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef)
844	SV * fh	1001	SV * fh
845	UV offset	1002	UV offset
846	UV length	1003	UV length
847	SV * data	1004	SV * data
848	UV dataoffset	1005	UV dataoffset
849	SV * callback	1006	SV * callback
850	ALIAS:	1007	ALIAS:
851	aio_read = REQ_READ	1008	aio_read = REQ_READ
852	aio_write = REQ_WRITE	1009	aio_write = REQ_WRITE
853	PROTOTYPE: $$$$$;$	1010	PROTOTYPE: $$$$$;$
854	CODE:	1011	PPCODE:
855	{	1012	{
856	aio_req req;	1013	aio_req req;
857	STRLEN svlen;	1014	STRLEN svlen;
858	char *svptr = SvPVbyte (data, svlen);	1015	char *svptr = SvPVbyte (data, svlen);
859		1016
…		…
897	{	1054	{
898	SvREADONLY_on (data);	1055	SvREADONLY_on (data);
899	req->data2ptr = (void *)data;	1056	req->data2ptr = (void *)data;
900	}	1057	}
901		1058
902	send_req (req);	1059	REQ_SEND;
903	}	1060	}
904	}	1061	}
905		1062
906	void	1063	void
907	aio_sendfile(out_fh,in_fh,in_offset,length,callback=&PL_sv_undef)	1064	aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef)
908	SV * out_fh	1065	SV * out_fh
909	SV * in_fh	1066	SV * in_fh
910	UV in_offset	1067	UV in_offset
911	UV length	1068	UV length
912	SV * callback	1069	SV * callback
913	PROTOTYPE: $$$$;$	1070	PROTOTYPE: $$$$;$
914	CODE:	1071	PPCODE:
915	{	1072	{
916	dREQ;	1073	dREQ;
917		1074
918	req->type = REQ_SENDFILE;	1075	req->type = REQ_SENDFILE;
919	req->fh = newSVsv (out_fh);	1076	req->fh = newSVsv (out_fh);
…		…
921	req->fh2 = newSVsv (in_fh);	1078	req->fh2 = newSVsv (in_fh);
922	req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));	1079	req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));
923	req->offset = in_offset;	1080	req->offset = in_offset;
924	req->length = length;	1081	req->length = length;
925		1082
926	send_req (req);	1083	REQ_SEND;
927	}	1084	}
928		1085
929	void	1086	void
930	aio_readahead(fh,offset,length,callback=&PL_sv_undef)	1087	aio_readahead (fh,offset,length,callback=&PL_sv_undef)
931	SV * fh	1088	SV * fh
932	UV offset	1089	UV offset
933	IV length	1090	IV length
934	SV * callback	1091	SV * callback
935	PROTOTYPE: $$$;$	1092	PROTOTYPE: $$$;$
936	CODE:	1093	PPCODE:
937	{	1094	{
938	dREQ;	1095	dREQ;
939		1096
940	req->type = REQ_READAHEAD;	1097	req->type = REQ_READAHEAD;
941	req->fh = newSVsv (fh);	1098	req->fh = newSVsv (fh);
942	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));	1099	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));
943	req->offset = offset;	1100	req->offset = offset;
944	req->length = length;	1101	req->length = length;
945		1102
946	send_req (req);	1103	REQ_SEND;
947	}	1104	}
948		1105
949	void	1106	void
950	aio_stat(fh_or_path,callback=&PL_sv_undef)	1107	aio_stat (fh_or_path,callback=&PL_sv_undef)
951	SV * fh_or_path	1108	SV * fh_or_path
952	SV * callback	1109	SV * callback
953	ALIAS:	1110	ALIAS:
954	aio_stat = REQ_STAT	1111	aio_stat = REQ_STAT
955	aio_lstat = REQ_LSTAT	1112	aio_lstat = REQ_LSTAT
956	CODE:	1113	PPCODE:
957	{	1114	{
958	dREQ;	1115	dREQ;
959		1116
960	New (0, req->statdata, 1, Stat_t);	1117	New (0, req->statdata, 1, Stat_t);
961	if (!req->statdata)	1118	if (!req->statdata)
962	{	1119	{
963	free_req (req);	1120	req_free (req);
964	croak ("out of memory during aio_req->statdata allocation");	1121	croak ("out of memory during aio_req->statdata allocation");
965	}	1122	}
966		1123
967	if (SvPOK (fh_or_path))	1124	if (SvPOK (fh_or_path))
968	{	1125	{
…		…
975	req->type = REQ_FSTAT;	1132	req->type = REQ_FSTAT;
976	req->fh = newSVsv (fh_or_path);	1133	req->fh = newSVsv (fh_or_path);
977	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	1134	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
978	}	1135	}
979		1136
980	send_req (req);	1137	REQ_SEND;
981	}	1138	}
982		1139
983	void	1140	void
984	aio_unlink(pathname,callback=&PL_sv_undef)	1141	aio_unlink (pathname,callback=&PL_sv_undef)
985	SV * pathname	1142	SV * pathname
986	SV * callback	1143	SV * callback
987	ALIAS:	1144	ALIAS:
988	aio_unlink = REQ_UNLINK	1145	aio_unlink = REQ_UNLINK
989	aio_rmdir = REQ_RMDIR	1146	aio_rmdir = REQ_RMDIR
		1147	aio_readdir = REQ_READDIR
990	CODE:	1148	PPCODE:
991	{	1149	{
992	dREQ;	1150	dREQ;
993		1151
994	req->type = ix;	1152	req->type = ix;
995	req->data = newSVsv (pathname);	1153	req->data = newSVsv (pathname);
996	req->dataptr = SvPVbyte_nolen (req->data);	1154	req->dataptr = SvPVbyte_nolen (req->data);
997		1155
998	send_req (req);	1156	REQ_SEND;
999	}	1157	}
1000		1158
1001	void	1159	void
1002	aio_symlink(oldpath,newpath,callback=&PL_sv_undef)	1160	aio_link (oldpath,newpath,callback=&PL_sv_undef)
1003	SV * oldpath	1161	SV * oldpath
1004	SV * newpath	1162	SV * newpath
1005	SV * callback	1163	SV * callback
		1164	ALIAS:
		1165	aio_link = REQ_LINK
		1166	aio_symlink = REQ_SYMLINK
		1167	aio_rename = REQ_RENAME
1006	CODE:	1168	PPCODE:
1007	{	1169	{
1008	dREQ;	1170	dREQ;
1009		1171
1010	req->type = REQ_SYMLINK;	1172	req->type = ix;
1011	req->fh = newSVsv (oldpath);	1173	req->fh = newSVsv (oldpath);
1012	req->data2ptr = SvPVbyte_nolen (req->fh);	1174	req->data2ptr = SvPVbyte_nolen (req->fh);
1013	req->data = newSVsv (newpath);	1175	req->data = newSVsv (newpath);
1014	req->dataptr = SvPVbyte_nolen (req->data);	1176	req->dataptr = SvPVbyte_nolen (req->data);
1015		1177
1016	send_req (req);	1178	REQ_SEND;
1017	}	1179	}
1018		1180
1019	void	1181	void
1020	aio_readdir(pathname,callback=&PL_sv_undef)	1182	aio_sleep (delay,callback=&PL_sv_undef)
1021	SV * pathname	1183	double delay
1022	SV * callback	1184	SV * callback
1023	CODE:	1185	PPCODE:
1024	{	1186	{
1025	dREQ;	1187	dREQ;
1026		1188
1027	req->type = REQ_READDIR;	1189	req->type = REQ_SLEEP;
1028	req->data = newSVsv (pathname);	1190	req->fd = delay < 0. ? 0 : delay;
1029	req->dataptr = SvPVbyte_nolen (req->data);	1191	req->fd2 = delay < 0. ? 0 : 1000. * (delay - req->fd);
1030
1031	send_req (req);
1032	}
1033		1192
		1193	REQ_SEND;
		1194	}
		1195
1034	void	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));
		1206	}
		1207
		1208	void
1035	flush()	1209	flush ()
1036	PROTOTYPE:	1210	PROTOTYPE:
1037	CODE:	1211	CODE:
1038	while (nreqs)	1212	while (nreqs)
1039	{	1213	{
1040	poll_wait ();	1214	poll_wait ();
…		…
1080	CODE:	1254	CODE:
1081	RETVAL = nreqs;	1255	RETVAL = nreqs;
1082	OUTPUT:	1256	OUTPUT:
1083	RETVAL	1257	RETVAL
1084		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 1.38 by root, Sun Aug 28 10:51:33 2005 UTC vs. Revision 1.49 by root, Sun Oct 22 13:33:28 2006 UTC

Diff Legend

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.38 by root, Sun Aug 28 10:51:33 2005 UTC vs.
Revision 1.49 by root, Sun Oct 22 13:33:28 2006 UTC